The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 1 | /* |
| 2 | * Copyright (C) 2006-2008 The Android Open Source Project |
| 3 | * |
| 4 | * Licensed under the Apache License, Version 2.0 (the "License"); |
| 5 | * you may not use this file except in compliance with the License. |
| 6 | * You may obtain a copy of the License at |
| 7 | * |
| 8 | * http://www.apache.org/licenses/LICENSE-2.0 |
| 9 | * |
| 10 | * Unless required by applicable law or agreed to in writing, software |
| 11 | * distributed under the License is distributed on an "AS IS" BASIS, |
| 12 | * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| 13 | * See the License for the specific language governing permissions and |
| 14 | * limitations under the License. |
| 15 | */ |
| 16 | |
| 17 | package com.android.server.am; |
| 18 | |
| 19 | import com.android.internal.os.BatteryStatsImpl; |
| 20 | import com.android.internal.os.RuntimeInit; |
| 21 | import com.android.server.IntentResolver; |
| 22 | import com.android.server.ProcessMap; |
| 23 | import com.android.server.ProcessStats; |
| 24 | import com.android.server.SystemServer; |
| 25 | import com.android.server.Watchdog; |
| 26 | import com.android.server.WindowManagerService; |
| 27 | |
| 28 | import android.app.Activity; |
| 29 | import android.app.ActivityManager; |
| 30 | import android.app.ActivityManagerNative; |
| 31 | import android.app.ActivityThread; |
| 32 | import android.app.AlertDialog; |
| 33 | import android.app.Dialog; |
| 34 | import android.app.IActivityWatcher; |
| 35 | import android.app.IApplicationThread; |
| 36 | import android.app.IInstrumentationWatcher; |
| 37 | import android.app.IIntentReceiver; |
| 38 | import android.app.IIntentSender; |
| 39 | import android.app.IServiceConnection; |
| 40 | import android.app.IThumbnailReceiver; |
| 41 | import android.app.Instrumentation; |
| 42 | import android.app.PendingIntent; |
| 43 | import android.app.ResultInfo; |
| 44 | import android.content.ComponentName; |
| 45 | import android.content.ContentResolver; |
| 46 | import android.content.Context; |
| 47 | import android.content.Intent; |
| 48 | import android.content.IntentFilter; |
| 49 | import android.content.pm.ActivityInfo; |
| 50 | import android.content.pm.ApplicationInfo; |
| 51 | import android.content.pm.ConfigurationInfo; |
| 52 | import android.content.pm.IPackageDataObserver; |
| 53 | import android.content.pm.IPackageManager; |
| 54 | import android.content.pm.InstrumentationInfo; |
| 55 | import android.content.pm.PackageManager; |
| 56 | import android.content.pm.ProviderInfo; |
| 57 | import android.content.pm.ResolveInfo; |
| 58 | import android.content.pm.ServiceInfo; |
| 59 | import android.content.res.Configuration; |
| 60 | import android.graphics.Bitmap; |
| 61 | import android.net.Uri; |
| 62 | import android.os.Binder; |
| 63 | import android.os.Bundle; |
| 64 | import android.os.Environment; |
| 65 | import android.os.FileUtils; |
| 66 | import android.os.Handler; |
| 67 | import android.os.IBinder; |
| 68 | import android.os.IPermissionController; |
| 69 | import android.os.Looper; |
| 70 | import android.os.Message; |
| 71 | import android.os.Parcel; |
| 72 | import android.os.ParcelFileDescriptor; |
| 73 | import android.os.PowerManager; |
| 74 | import android.os.Process; |
| 75 | import android.os.RemoteException; |
| 76 | import android.os.ServiceManager; |
| 77 | import android.os.SystemClock; |
| 78 | import android.os.SystemProperties; |
| 79 | import android.provider.Checkin; |
| 80 | import android.provider.Settings; |
| 81 | import android.text.TextUtils; |
| 82 | import android.util.Config; |
| 83 | import android.util.EventLog; |
| 84 | import android.util.Log; |
| 85 | import android.util.PrintWriterPrinter; |
| 86 | import android.util.SparseArray; |
| 87 | import android.view.Gravity; |
| 88 | import android.view.LayoutInflater; |
| 89 | import android.view.View; |
| 90 | import android.view.WindowManager; |
| 91 | import android.view.WindowManagerPolicy; |
| 92 | |
| 93 | import dalvik.system.Zygote; |
| 94 | |
| 95 | import java.io.File; |
| 96 | import java.io.FileDescriptor; |
| 97 | import java.io.FileInputStream; |
| 98 | import java.io.FileNotFoundException; |
| 99 | import java.io.PrintWriter; |
| 100 | import java.lang.IllegalStateException; |
| 101 | import java.lang.ref.WeakReference; |
| 102 | import java.util.ArrayList; |
| 103 | import java.util.HashMap; |
| 104 | import java.util.HashSet; |
| 105 | import java.util.Iterator; |
| 106 | import java.util.List; |
| 107 | import java.util.Locale; |
| 108 | import java.util.Map; |
| 109 | |
| 110 | public final class ActivityManagerService extends ActivityManagerNative implements Watchdog.Monitor { |
| 111 | static final String TAG = "ActivityManager"; |
| 112 | static final boolean DEBUG = false; |
| 113 | static final boolean localLOGV = DEBUG ? Config.LOGD : Config.LOGV; |
| 114 | static final boolean DEBUG_SWITCH = localLOGV || false; |
| 115 | static final boolean DEBUG_TASKS = localLOGV || false; |
| 116 | static final boolean DEBUG_PAUSE = localLOGV || false; |
| 117 | static final boolean DEBUG_OOM_ADJ = localLOGV || false; |
| 118 | static final boolean DEBUG_TRANSITION = localLOGV || false; |
| 119 | static final boolean DEBUG_BROADCAST = localLOGV || false; |
| 120 | static final boolean DEBUG_SERVICE = localLOGV || false; |
| 121 | static final boolean DEBUG_VISBILITY = localLOGV || false; |
| 122 | static final boolean DEBUG_PROCESSES = localLOGV || false; |
| 123 | static final boolean DEBUG_USER_LEAVING = localLOGV || false; |
| 124 | static final boolean VALIDATE_TOKENS = false; |
| 125 | static final boolean SHOW_ACTIVITY_START_TIME = true; |
| 126 | |
| 127 | // Control over CPU and battery monitoring. |
| 128 | static final long BATTERY_STATS_TIME = 30*60*1000; // write battery stats every 30 minutes. |
| 129 | static final boolean MONITOR_CPU_USAGE = true; |
| 130 | static final long MONITOR_CPU_MIN_TIME = 5*1000; // don't sample cpu less than every 5 seconds. |
| 131 | static final long MONITOR_CPU_MAX_TIME = 0x0fffffff; // wait possibly forever for next cpu sample. |
| 132 | static final boolean MONITOR_THREAD_CPU_USAGE = false; |
| 133 | |
| 134 | // Event log tags |
| 135 | static final int LOG_CONFIGURATION_CHANGED = 2719; |
| 136 | static final int LOG_CPU = 2721; |
| 137 | static final int LOG_AM_FINISH_ACTIVITY = 30001; |
| 138 | static final int LOG_TASK_TO_FRONT = 30002; |
| 139 | static final int LOG_AM_NEW_INTENT = 30003; |
| 140 | static final int LOG_AM_CREATE_TASK = 30004; |
| 141 | static final int LOG_AM_CREATE_ACTIVITY = 30005; |
| 142 | static final int LOG_AM_RESTART_ACTIVITY = 30006; |
| 143 | static final int LOG_AM_RESUME_ACTIVITY = 30007; |
| 144 | static final int LOG_ANR = 30008; |
| 145 | static final int LOG_ACTIVITY_LAUNCH_TIME = 30009; |
| 146 | static final int LOG_AM_PROCESS_BOUND = 30010; |
| 147 | static final int LOG_AM_PROCESS_DIED = 30011; |
| 148 | static final int LOG_AM_FAILED_TO_PAUSE_ACTIVITY = 30012; |
| 149 | static final int LOG_AM_PAUSE_ACTIVITY = 30013; |
| 150 | static final int LOG_AM_PROCESS_START = 30014; |
| 151 | static final int LOG_AM_PROCESS_BAD = 30015; |
| 152 | static final int LOG_AM_PROCESS_GOOD = 30016; |
| 153 | static final int LOG_AM_LOW_MEMORY = 30017; |
| 154 | static final int LOG_AM_DESTROY_ACTIVITY = 30018; |
| 155 | static final int LOG_AM_RELAUNCH_RESUME_ACTIVITY = 30019; |
| 156 | static final int LOG_AM_RELAUNCH_ACTIVITY = 30020; |
| 157 | static final int LOG_AM_KILL_FOR_MEMORY = 30023; |
| 158 | static final int LOG_AM_BROADCAST_DISCARD_FILTER = 30024; |
| 159 | static final int LOG_AM_BROADCAST_DISCARD_APP = 30025; |
| 160 | static final int LOG_AM_CREATE_SERVICE = 30030; |
| 161 | static final int LOG_AM_DESTROY_SERVICE = 30031; |
| 162 | static final int LOG_AM_PROCESS_CRASHED_TOO_MUCH = 30032; |
| 163 | static final int LOG_AM_DROP_PROCESS = 30033; |
| 164 | static final int LOG_AM_SERVICE_CRASHED_TOO_MUCH = 30034; |
| 165 | static final int LOG_AM_SCHEDULE_SERVICE_RESTART = 30035; |
| 166 | static final int LOG_AM_PROVIDER_LOST_PROCESS = 30036; |
| 167 | |
| 168 | static final int LOG_BOOT_PROGRESS_AMS_READY = 3040; |
| 169 | static final int LOG_BOOT_PROGRESS_ENABLE_SCREEN = 3050; |
| 170 | |
| 171 | private static final String SYSTEM_SECURE = "ro.secure"; |
| 172 | |
| 173 | // This is the maximum number of application processes we would like |
| 174 | // to have running. Due to the asynchronous nature of things, we can |
| 175 | // temporarily go beyond this limit. |
| 176 | static final int MAX_PROCESSES = 2; |
| 177 | |
| 178 | // Set to false to leave processes running indefinitely, relying on |
| 179 | // the kernel killing them as resources are required. |
| 180 | static final boolean ENFORCE_PROCESS_LIMIT = false; |
| 181 | |
| 182 | // This is the maximum number of activities that we would like to have |
| 183 | // running at a given time. |
| 184 | static final int MAX_ACTIVITIES = 20; |
| 185 | |
| 186 | // Maximum number of recent tasks that we can remember. |
| 187 | static final int MAX_RECENT_TASKS = 20; |
| 188 | |
| 189 | // How long until we reset a task when the user returns to it. Currently |
| 190 | // 30 minutes. |
| 191 | static final long ACTIVITY_INACTIVE_RESET_TIME = 1000*60*30; |
| 192 | |
| 193 | // Set to true to disable the icon that is shown while a new activity |
| 194 | // is being started. |
| 195 | static final boolean SHOW_APP_STARTING_ICON = true; |
| 196 | |
| 197 | // How long we wait until giving up on the last activity to pause. This |
| 198 | // is short because it directly impacts the responsiveness of starting the |
| 199 | // next activity. |
| 200 | static final int PAUSE_TIMEOUT = 500; |
| 201 | |
| 202 | /** |
| 203 | * How long we can hold the launch wake lock before giving up. |
| 204 | */ |
| 205 | static final int LAUNCH_TIMEOUT = 10*1000; |
| 206 | |
| 207 | // How long we wait for a launched process to attach to the activity manager |
| 208 | // before we decide it's never going to come up for real. |
| 209 | static final int PROC_START_TIMEOUT = 10*1000; |
| 210 | |
| 211 | // How long we wait until giving up on the last activity telling us it |
| 212 | // is idle. |
| 213 | static final int IDLE_TIMEOUT = 10*1000; |
| 214 | |
| 215 | // How long to wait after going idle before forcing apps to GC. |
| 216 | static final int GC_TIMEOUT = 5*1000; |
| 217 | |
| 218 | // How long we wait until giving up on an activity telling us it has |
| 219 | // finished destroying itself. |
| 220 | static final int DESTROY_TIMEOUT = 10*1000; |
| 221 | |
| 222 | // How long we allow a receiver to run before giving up on it. |
| 223 | static final int BROADCAST_TIMEOUT = 10*1000; |
| 224 | |
| 225 | // How long we wait for a service to finish executing. |
| 226 | static final int SERVICE_TIMEOUT = 20*1000; |
| 227 | |
| 228 | // How long a service needs to be running until restarting its process |
| 229 | // is no longer considered to be a relaunch of the service. |
| 230 | static final int SERVICE_RESTART_DURATION = 5*1000; |
| 231 | |
| 232 | // Maximum amount of time for there to be no activity on a service before |
| 233 | // we consider it non-essential and allow its process to go on the |
| 234 | // LRU background list. |
| 235 | static final int MAX_SERVICE_INACTIVITY = 10*60*1000; |
| 236 | |
| 237 | // How long we wait until we timeout on key dispatching. |
| 238 | static final int KEY_DISPATCHING_TIMEOUT = 5*1000; |
| 239 | |
| 240 | // The minimum time we allow between crashes, for us to consider this |
| 241 | // application to be bad and stop and its services and reject broadcasts. |
| 242 | static final int MIN_CRASH_INTERVAL = 60*1000; |
| 243 | |
| 244 | // How long we wait until we timeout on key dispatching during instrumentation. |
| 245 | static final int INSTRUMENTATION_KEY_DISPATCHING_TIMEOUT = 60*1000; |
| 246 | |
| 247 | // OOM adjustments for processes in various states: |
| 248 | |
| 249 | // This is a process without anything currently running in it. Definitely |
| 250 | // the first to go! Value set in system/rootdir/init.rc on startup. |
| 251 | // This value is initalized in the constructor, careful when refering to |
| 252 | // this static variable externally. |
| 253 | static int EMPTY_APP_ADJ; |
| 254 | |
| 255 | // This is a process with a content provider that does not have any clients |
| 256 | // attached to it. If it did have any clients, its adjustment would be the |
| 257 | // one for the highest-priority of those processes. |
| 258 | static int CONTENT_PROVIDER_ADJ; |
| 259 | |
| 260 | // This is a process only hosting activities that are not visible, |
| 261 | // so it can be killed without any disruption. Value set in |
| 262 | // system/rootdir/init.rc on startup. |
| 263 | final int HIDDEN_APP_MAX_ADJ; |
| 264 | static int HIDDEN_APP_MIN_ADJ; |
| 265 | |
The Android Open Source Project | 4df2423 | 2009-03-05 14:34:35 -0800 | [diff] [blame] | 266 | // This is a process holding the home application -- we want to try |
| 267 | // avoiding killing it, even if it would normally be in the background, |
| 268 | // because the user interacts with it so much. |
| 269 | final int HOME_APP_ADJ; |
| 270 | |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 271 | // This is a process holding a secondary server -- killing it will not |
| 272 | // have much of an impact as far as the user is concerned. Value set in |
| 273 | // system/rootdir/init.rc on startup. |
| 274 | final int SECONDARY_SERVER_ADJ; |
| 275 | |
| 276 | // This is a process only hosting activities that are visible to the |
| 277 | // user, so we'd prefer they don't disappear. Value set in |
| 278 | // system/rootdir/init.rc on startup. |
| 279 | final int VISIBLE_APP_ADJ; |
| 280 | |
| 281 | // This is the process running the current foreground app. We'd really |
| 282 | // rather not kill it! Value set in system/rootdir/init.rc on startup. |
| 283 | final int FOREGROUND_APP_ADJ; |
| 284 | |
| 285 | // This is a process running a core server, such as telephony. Definitely |
| 286 | // don't want to kill it, but doing so is not completely fatal. |
| 287 | static final int CORE_SERVER_ADJ = -12; |
| 288 | |
| 289 | // The system process runs at the default adjustment. |
| 290 | static final int SYSTEM_ADJ = -16; |
| 291 | |
| 292 | // Memory pages are 4K. |
| 293 | static final int PAGE_SIZE = 4*1024; |
| 294 | |
| 295 | // Corresponding memory levels for above adjustments. |
| 296 | final int EMPTY_APP_MEM; |
| 297 | final int HIDDEN_APP_MEM; |
The Android Open Source Project | 4df2423 | 2009-03-05 14:34:35 -0800 | [diff] [blame] | 298 | final int HOME_APP_MEM; |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 299 | final int SECONDARY_SERVER_MEM; |
| 300 | final int VISIBLE_APP_MEM; |
| 301 | final int FOREGROUND_APP_MEM; |
| 302 | |
| 303 | final int MY_PID; |
| 304 | |
| 305 | static final String[] EMPTY_STRING_ARRAY = new String[0]; |
| 306 | |
| 307 | enum ActivityState { |
| 308 | INITIALIZING, |
| 309 | RESUMED, |
| 310 | PAUSING, |
| 311 | PAUSED, |
| 312 | STOPPING, |
| 313 | STOPPED, |
| 314 | FINISHING, |
| 315 | DESTROYING, |
| 316 | DESTROYED |
| 317 | } |
| 318 | |
| 319 | /** |
| 320 | * The back history of all previous (and possibly still |
| 321 | * running) activities. It contains HistoryRecord objects. |
| 322 | */ |
| 323 | final ArrayList mHistory = new ArrayList(); |
| 324 | |
| 325 | /** |
| 326 | * List of all active broadcasts that are to be executed immediately |
| 327 | * (without waiting for another broadcast to finish). Currently this only |
| 328 | * contains broadcasts to registered receivers, to avoid spinning up |
| 329 | * a bunch of processes to execute IntentReceiver components. |
| 330 | */ |
| 331 | final ArrayList<BroadcastRecord> mParallelBroadcasts |
| 332 | = new ArrayList<BroadcastRecord>(); |
| 333 | |
| 334 | /** |
| 335 | * List of all active broadcasts that are to be executed one at a time. |
| 336 | * The object at the top of the list is the currently activity broadcasts; |
| 337 | * those after it are waiting for the top to finish.. |
| 338 | */ |
| 339 | final ArrayList<BroadcastRecord> mOrderedBroadcasts |
| 340 | = new ArrayList<BroadcastRecord>(); |
| 341 | |
| 342 | /** |
| 343 | * Set when we current have a BROADCAST_INTENT_MSG in flight. |
| 344 | */ |
| 345 | boolean mBroadcastsScheduled = false; |
| 346 | |
| 347 | /** |
| 348 | * Set to indicate whether to issue an onUserLeaving callback when a |
| 349 | * newly launched activity is being brought in front of us. |
| 350 | */ |
| 351 | boolean mUserLeaving = false; |
| 352 | |
| 353 | /** |
| 354 | * When we are in the process of pausing an activity, before starting the |
| 355 | * next one, this variable holds the activity that is currently being paused. |
| 356 | */ |
| 357 | HistoryRecord mPausingActivity = null; |
| 358 | |
| 359 | /** |
| 360 | * Current activity that is resumed, or null if there is none. |
| 361 | */ |
| 362 | HistoryRecord mResumedActivity = null; |
| 363 | |
| 364 | /** |
| 365 | * Activity we have told the window manager to have key focus. |
| 366 | */ |
| 367 | HistoryRecord mFocusedActivity = null; |
| 368 | |
| 369 | /** |
| 370 | * This is the last activity that we put into the paused state. This is |
| 371 | * used to determine if we need to do an activity transition while sleeping, |
| 372 | * when we normally hold the top activity paused. |
| 373 | */ |
| 374 | HistoryRecord mLastPausedActivity = null; |
| 375 | |
| 376 | /** |
| 377 | * List of activities that are waiting for a new activity |
| 378 | * to become visible before completing whatever operation they are |
| 379 | * supposed to do. |
| 380 | */ |
| 381 | final ArrayList mWaitingVisibleActivities = new ArrayList(); |
| 382 | |
| 383 | /** |
| 384 | * List of activities that are ready to be stopped, but waiting |
| 385 | * for the next activity to settle down before doing so. It contains |
| 386 | * HistoryRecord objects. |
| 387 | */ |
| 388 | final ArrayList<HistoryRecord> mStoppingActivities |
| 389 | = new ArrayList<HistoryRecord>(); |
| 390 | |
| 391 | /** |
| 392 | * List of intents that were used to start the most recent tasks. |
| 393 | */ |
| 394 | final ArrayList<TaskRecord> mRecentTasks |
| 395 | = new ArrayList<TaskRecord>(); |
| 396 | |
| 397 | /** |
| 398 | * List of activities that are ready to be finished, but waiting |
| 399 | * for the previous activity to settle down before doing so. It contains |
| 400 | * HistoryRecord objects. |
| 401 | */ |
| 402 | final ArrayList mFinishingActivities = new ArrayList(); |
| 403 | |
| 404 | /** |
| 405 | * All of the applications we currently have running organized by name. |
| 406 | * The keys are strings of the application package name (as |
| 407 | * returned by the package manager), and the keys are ApplicationRecord |
| 408 | * objects. |
| 409 | */ |
| 410 | final ProcessMap<ProcessRecord> mProcessNames |
| 411 | = new ProcessMap<ProcessRecord>(); |
| 412 | |
| 413 | /** |
| 414 | * The last time that various processes have crashed. |
| 415 | */ |
| 416 | final ProcessMap<Long> mProcessCrashTimes = new ProcessMap<Long>(); |
| 417 | |
| 418 | /** |
| 419 | * Set of applications that we consider to be bad, and will reject |
| 420 | * incoming broadcasts from (which the user has no control over). |
| 421 | * Processes are added to this set when they have crashed twice within |
| 422 | * a minimum amount of time; they are removed from it when they are |
| 423 | * later restarted (hopefully due to some user action). The value is the |
| 424 | * time it was added to the list. |
| 425 | */ |
| 426 | final ProcessMap<Long> mBadProcesses = new ProcessMap<Long>(); |
| 427 | |
| 428 | /** |
| 429 | * All of the processes we currently have running organized by pid. |
| 430 | * The keys are the pid running the application. |
| 431 | * |
| 432 | * <p>NOTE: This object is protected by its own lock, NOT the global |
| 433 | * activity manager lock! |
| 434 | */ |
| 435 | final SparseArray<ProcessRecord> mPidsSelfLocked |
| 436 | = new SparseArray<ProcessRecord>(); |
| 437 | |
| 438 | /** |
| 439 | * All of the processes that have been forced to be foreground. The key |
| 440 | * is the pid of the caller who requested it (we hold a death |
| 441 | * link on it). |
| 442 | */ |
| 443 | abstract class ForegroundToken implements IBinder.DeathRecipient { |
| 444 | int pid; |
| 445 | IBinder token; |
| 446 | } |
| 447 | final SparseArray<ForegroundToken> mForegroundProcesses |
| 448 | = new SparseArray<ForegroundToken>(); |
| 449 | |
| 450 | /** |
| 451 | * List of records for processes that someone had tried to start before the |
| 452 | * system was ready. We don't start them at that point, but ensure they |
| 453 | * are started by the time booting is complete. |
| 454 | */ |
| 455 | final ArrayList<ProcessRecord> mProcessesOnHold |
| 456 | = new ArrayList<ProcessRecord>(); |
| 457 | |
| 458 | /** |
| 459 | * List of records for processes that we have started and are waiting |
| 460 | * for them to call back. This is really only needed when running in |
| 461 | * single processes mode, in which case we do not have a unique pid for |
| 462 | * each process. |
| 463 | */ |
| 464 | final ArrayList<ProcessRecord> mStartingProcesses |
| 465 | = new ArrayList<ProcessRecord>(); |
| 466 | |
| 467 | /** |
| 468 | * List of persistent applications that are in the process |
| 469 | * of being started. |
| 470 | */ |
| 471 | final ArrayList<ProcessRecord> mPersistentStartingProcesses |
| 472 | = new ArrayList<ProcessRecord>(); |
| 473 | |
| 474 | /** |
| 475 | * Processes that are being forcibly torn down. |
| 476 | */ |
| 477 | final ArrayList<ProcessRecord> mRemovedProcesses |
| 478 | = new ArrayList<ProcessRecord>(); |
| 479 | |
| 480 | /** |
| 481 | * List of running applications, sorted by recent usage. |
| 482 | * The first entry in the list is the least recently used. |
| 483 | * It contains ApplicationRecord objects. This list does NOT include |
| 484 | * any persistent application records (since we never want to exit them). |
| 485 | */ |
| 486 | final ArrayList<ProcessRecord> mLRUProcesses |
| 487 | = new ArrayList<ProcessRecord>(); |
| 488 | |
| 489 | /** |
| 490 | * List of processes that should gc as soon as things are idle. |
| 491 | */ |
| 492 | final ArrayList<ProcessRecord> mProcessesToGc |
| 493 | = new ArrayList<ProcessRecord>(); |
| 494 | |
| 495 | /** |
The Android Open Source Project | 4df2423 | 2009-03-05 14:34:35 -0800 | [diff] [blame] | 496 | * This is the process holding what we currently consider to be |
| 497 | * the "home" activity. |
| 498 | */ |
| 499 | private ProcessRecord mHomeProcess; |
| 500 | |
| 501 | /** |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 502 | * List of running activities, sorted by recent usage. |
| 503 | * The first entry in the list is the least recently used. |
| 504 | * It contains HistoryRecord objects. |
| 505 | */ |
| 506 | private final ArrayList mLRUActivities = new ArrayList(); |
| 507 | |
| 508 | /** |
| 509 | * Set of PendingResultRecord objects that are currently active. |
| 510 | */ |
| 511 | final HashSet mPendingResultRecords = new HashSet(); |
| 512 | |
| 513 | /** |
| 514 | * Set of IntentSenderRecord objects that are currently active. |
| 515 | */ |
| 516 | final HashMap<PendingIntentRecord.Key, WeakReference<PendingIntentRecord>> mIntentSenderRecords |
| 517 | = new HashMap<PendingIntentRecord.Key, WeakReference<PendingIntentRecord>>(); |
| 518 | |
| 519 | /** |
| 520 | * Intent broadcast that we have tried to start, but are |
| 521 | * waiting for its application's process to be created. We only |
| 522 | * need one (instead of a list) because we always process broadcasts |
| 523 | * one at a time, so no others can be started while waiting for this |
| 524 | * one. |
| 525 | */ |
| 526 | BroadcastRecord mPendingBroadcast = null; |
| 527 | |
| 528 | /** |
| 529 | * Keeps track of all IIntentReceivers that have been registered for |
| 530 | * broadcasts. Hash keys are the receiver IBinder, hash value is |
| 531 | * a ReceiverList. |
| 532 | */ |
| 533 | final HashMap mRegisteredReceivers = new HashMap(); |
| 534 | |
| 535 | /** |
| 536 | * Resolver for broadcast intents to registered receivers. |
| 537 | * Holds BroadcastFilter (subclass of IntentFilter). |
| 538 | */ |
| 539 | final IntentResolver<BroadcastFilter, BroadcastFilter> mReceiverResolver |
| 540 | = new IntentResolver<BroadcastFilter, BroadcastFilter>() { |
| 541 | @Override |
| 542 | protected boolean allowFilterResult( |
| 543 | BroadcastFilter filter, List<BroadcastFilter> dest) { |
| 544 | IBinder target = filter.receiverList.receiver.asBinder(); |
| 545 | for (int i=dest.size()-1; i>=0; i--) { |
| 546 | if (dest.get(i).receiverList.receiver.asBinder() == target) { |
| 547 | return false; |
| 548 | } |
| 549 | } |
| 550 | return true; |
| 551 | } |
| 552 | }; |
| 553 | |
| 554 | /** |
| 555 | * State of all active sticky broadcasts. Keys are the action of the |
| 556 | * sticky Intent, values are an ArrayList of all broadcasted intents with |
| 557 | * that action (which should usually be one). |
| 558 | */ |
| 559 | final HashMap<String, ArrayList<Intent>> mStickyBroadcasts = |
| 560 | new HashMap<String, ArrayList<Intent>>(); |
| 561 | |
| 562 | /** |
| 563 | * All currently running services. |
| 564 | */ |
| 565 | final HashMap<ComponentName, ServiceRecord> mServices = |
| 566 | new HashMap<ComponentName, ServiceRecord>(); |
| 567 | |
| 568 | /** |
| 569 | * All currently running services indexed by the Intent used to start them. |
| 570 | */ |
| 571 | final HashMap<Intent.FilterComparison, ServiceRecord> mServicesByIntent = |
| 572 | new HashMap<Intent.FilterComparison, ServiceRecord>(); |
| 573 | |
| 574 | /** |
| 575 | * All currently bound service connections. Keys are the IBinder of |
| 576 | * the client's IServiceConnection. |
| 577 | */ |
| 578 | final HashMap<IBinder, ConnectionRecord> mServiceConnections |
| 579 | = new HashMap<IBinder, ConnectionRecord>(); |
| 580 | |
| 581 | /** |
| 582 | * List of services that we have been asked to start, |
| 583 | * but haven't yet been able to. It is used to hold start requests |
| 584 | * while waiting for their corresponding application thread to get |
| 585 | * going. |
| 586 | */ |
| 587 | final ArrayList<ServiceRecord> mPendingServices |
| 588 | = new ArrayList<ServiceRecord>(); |
| 589 | |
| 590 | /** |
| 591 | * List of services that are scheduled to restart following a crash. |
| 592 | */ |
| 593 | final ArrayList<ServiceRecord> mRestartingServices |
| 594 | = new ArrayList<ServiceRecord>(); |
| 595 | |
| 596 | /** |
| 597 | * List of services that are in the process of being stopped. |
| 598 | */ |
| 599 | final ArrayList<ServiceRecord> mStoppingServices |
| 600 | = new ArrayList<ServiceRecord>(); |
| 601 | |
| 602 | /** |
| 603 | * List of PendingThumbnailsRecord objects of clients who are still |
| 604 | * waiting to receive all of the thumbnails for a task. |
| 605 | */ |
| 606 | final ArrayList mPendingThumbnails = new ArrayList(); |
| 607 | |
| 608 | /** |
| 609 | * List of HistoryRecord objects that have been finished and must |
| 610 | * still report back to a pending thumbnail receiver. |
| 611 | */ |
| 612 | final ArrayList mCancelledThumbnails = new ArrayList(); |
| 613 | |
| 614 | /** |
| 615 | * All of the currently running global content providers. Keys are a |
| 616 | * string containing the provider name and values are a |
| 617 | * ContentProviderRecord object containing the data about it. Note |
| 618 | * that a single provider may be published under multiple names, so |
| 619 | * there may be multiple entries here for a single one in mProvidersByClass. |
| 620 | */ |
| 621 | final HashMap mProvidersByName = new HashMap(); |
| 622 | |
| 623 | /** |
| 624 | * All of the currently running global content providers. Keys are a |
| 625 | * string containing the provider's implementation class and values are a |
| 626 | * ContentProviderRecord object containing the data about it. |
| 627 | */ |
| 628 | final HashMap mProvidersByClass = new HashMap(); |
| 629 | |
| 630 | /** |
| 631 | * List of content providers who have clients waiting for them. The |
| 632 | * application is currently being launched and the provider will be |
| 633 | * removed from this list once it is published. |
| 634 | */ |
| 635 | final ArrayList mLaunchingProviders = new ArrayList(); |
| 636 | |
| 637 | /** |
| 638 | * Global set of specific Uri permissions that have been granted. |
| 639 | */ |
| 640 | final private SparseArray<HashMap<Uri, UriPermission>> mGrantedUriPermissions |
| 641 | = new SparseArray<HashMap<Uri, UriPermission>>(); |
| 642 | |
| 643 | /** |
| 644 | * Thread-local storage used to carry caller permissions over through |
| 645 | * indirect content-provider access. |
| 646 | * @see #ActivityManagerService.openContentUri() |
| 647 | */ |
| 648 | private class Identity { |
| 649 | public int pid; |
| 650 | public int uid; |
| 651 | |
| 652 | Identity(int _pid, int _uid) { |
| 653 | pid = _pid; |
| 654 | uid = _uid; |
| 655 | } |
| 656 | } |
| 657 | private static ThreadLocal<Identity> sCallerIdentity = new ThreadLocal<Identity>(); |
| 658 | |
| 659 | /** |
| 660 | * All information we have collected about the runtime performance of |
| 661 | * any user id that can impact battery performance. |
| 662 | */ |
| 663 | final BatteryStatsService mBatteryStatsService; |
| 664 | |
| 665 | /** |
| 666 | * information about component usage |
| 667 | */ |
| 668 | final UsageStatsService mUsageStatsService; |
| 669 | |
| 670 | /** |
| 671 | * Current configuration information. HistoryRecord objects are given |
| 672 | * a reference to this object to indicate which configuration they are |
| 673 | * currently running in, so this object must be kept immutable. |
| 674 | */ |
| 675 | Configuration mConfiguration = new Configuration(); |
| 676 | |
| 677 | /** |
| 678 | * List of initialization arguments to pass to all processes when binding applications to them. |
| 679 | * For example, references to the commonly used services. |
| 680 | */ |
| 681 | HashMap<String, IBinder> mAppBindArgs; |
| 682 | |
| 683 | /** |
| 684 | * Used to control how we initialize the service. |
| 685 | */ |
| 686 | boolean mStartRunning = false; |
| 687 | ComponentName mTopComponent; |
| 688 | String mTopAction; |
| 689 | String mTopData; |
| 690 | boolean mSystemReady = false; |
| 691 | boolean mBooting = false; |
| 692 | |
| 693 | Context mContext; |
| 694 | |
| 695 | int mFactoryTest; |
| 696 | |
| 697 | /** |
| 698 | * Set while we are wanting to sleep, to prevent any |
| 699 | * activities from being started/resumed. |
| 700 | */ |
| 701 | boolean mSleeping = false; |
| 702 | |
| 703 | /** |
| 704 | * Set when the system is going to sleep, until we have |
| 705 | * successfully paused the current activity and released our wake lock. |
| 706 | * At that point the system is allowed to actually sleep. |
| 707 | */ |
| 708 | PowerManager.WakeLock mGoingToSleep; |
| 709 | |
| 710 | /** |
| 711 | * We don't want to allow the device to go to sleep while in the process |
| 712 | * of launching an activity. This is primarily to allow alarm intent |
| 713 | * receivers to launch an activity and get that to run before the device |
| 714 | * goes back to sleep. |
| 715 | */ |
| 716 | PowerManager.WakeLock mLaunchingActivity; |
| 717 | |
| 718 | /** |
| 719 | * Task identifier that activities are currently being started |
| 720 | * in. Incremented each time a new task is created. |
| 721 | * todo: Replace this with a TokenSpace class that generates non-repeating |
| 722 | * integers that won't wrap. |
| 723 | */ |
| 724 | int mCurTask = 1; |
| 725 | |
| 726 | /** |
| 727 | * Current sequence id for oom_adj computation traversal. |
| 728 | */ |
| 729 | int mAdjSeq = 0; |
| 730 | |
| 731 | /** |
| 732 | * Set to true if the ANDROID_SIMPLE_PROCESS_MANAGEMENT envvar |
| 733 | * is set, indicating the user wants processes started in such a way |
| 734 | * that they can use ANDROID_PROCESS_WRAPPER and know what will be |
| 735 | * running in each process (thus no pre-initialized process, etc). |
| 736 | */ |
| 737 | boolean mSimpleProcessManagement = false; |
| 738 | |
| 739 | /** |
| 740 | * System monitoring: number of processes that died since the last |
| 741 | * N procs were started. |
| 742 | */ |
| 743 | int[] mProcDeaths = new int[20]; |
| 744 | |
| 745 | String mDebugApp = null; |
| 746 | boolean mWaitForDebugger = false; |
| 747 | boolean mDebugTransient = false; |
| 748 | String mOrigDebugApp = null; |
| 749 | boolean mOrigWaitForDebugger = false; |
| 750 | boolean mAlwaysFinishActivities = false; |
| 751 | IActivityWatcher mWatcher = null; |
| 752 | |
| 753 | /** |
| 754 | * Callback of last caller to {@link #requestPss}. |
| 755 | */ |
| 756 | Runnable mRequestPssCallback; |
| 757 | |
| 758 | /** |
| 759 | * Remaining processes for which we are waiting results from the last |
| 760 | * call to {@link #requestPss}. |
| 761 | */ |
| 762 | final ArrayList<ProcessRecord> mRequestPssList |
| 763 | = new ArrayList<ProcessRecord>(); |
| 764 | |
| 765 | /** |
| 766 | * Runtime statistics collection thread. This object's lock is used to |
| 767 | * protect all related state. |
| 768 | */ |
| 769 | final Thread mProcessStatsThread; |
| 770 | |
| 771 | /** |
| 772 | * Used to collect process stats when showing not responding dialog. |
| 773 | * Protected by mProcessStatsThread. |
| 774 | */ |
| 775 | final ProcessStats mProcessStats = new ProcessStats( |
| 776 | MONITOR_THREAD_CPU_USAGE); |
| 777 | long mLastCpuTime = 0; |
| 778 | long mLastWriteTime = 0; |
| 779 | |
| 780 | /** |
| 781 | * Set to true after the system has finished booting. |
| 782 | */ |
| 783 | boolean mBooted = false; |
| 784 | |
| 785 | int mProcessLimit = 0; |
| 786 | |
| 787 | WindowManagerService mWindowManager; |
| 788 | |
| 789 | static ActivityManagerService mSelf; |
| 790 | static ActivityThread mSystemThread; |
| 791 | |
| 792 | private final class AppDeathRecipient implements IBinder.DeathRecipient { |
| 793 | final ProcessRecord mApp; |
| 794 | final int mPid; |
| 795 | final IApplicationThread mAppThread; |
| 796 | |
| 797 | AppDeathRecipient(ProcessRecord app, int pid, |
| 798 | IApplicationThread thread) { |
| 799 | if (localLOGV) Log.v( |
| 800 | TAG, "New death recipient " + this |
| 801 | + " for thread " + thread.asBinder()); |
| 802 | mApp = app; |
| 803 | mPid = pid; |
| 804 | mAppThread = thread; |
| 805 | } |
| 806 | |
| 807 | public void binderDied() { |
| 808 | if (localLOGV) Log.v( |
| 809 | TAG, "Death received in " + this |
| 810 | + " for thread " + mAppThread.asBinder()); |
| 811 | removeRequestedPss(mApp); |
| 812 | synchronized(ActivityManagerService.this) { |
| 813 | appDiedLocked(mApp, mPid, mAppThread); |
| 814 | } |
| 815 | } |
| 816 | } |
| 817 | |
| 818 | static final int SHOW_ERROR_MSG = 1; |
| 819 | static final int SHOW_NOT_RESPONDING_MSG = 2; |
| 820 | static final int SHOW_FACTORY_ERROR_MSG = 3; |
| 821 | static final int UPDATE_CONFIGURATION_MSG = 4; |
| 822 | static final int GC_BACKGROUND_PROCESSES_MSG = 5; |
| 823 | static final int WAIT_FOR_DEBUGGER_MSG = 6; |
| 824 | static final int BROADCAST_INTENT_MSG = 7; |
| 825 | static final int BROADCAST_TIMEOUT_MSG = 8; |
| 826 | static final int PAUSE_TIMEOUT_MSG = 9; |
| 827 | static final int IDLE_TIMEOUT_MSG = 10; |
| 828 | static final int IDLE_NOW_MSG = 11; |
| 829 | static final int SERVICE_TIMEOUT_MSG = 12; |
| 830 | static final int UPDATE_TIME_ZONE = 13; |
| 831 | static final int SHOW_UID_ERROR_MSG = 14; |
| 832 | static final int IM_FEELING_LUCKY_MSG = 15; |
| 833 | static final int LAUNCH_TIMEOUT_MSG = 16; |
| 834 | static final int DESTROY_TIMEOUT_MSG = 17; |
| 835 | static final int SERVICE_ERROR_MSG = 18; |
| 836 | static final int RESUME_TOP_ACTIVITY_MSG = 19; |
| 837 | static final int PROC_START_TIMEOUT_MSG = 20; |
| 838 | |
| 839 | AlertDialog mUidAlert; |
| 840 | |
| 841 | final Handler mHandler = new Handler() { |
| 842 | //public Handler() { |
| 843 | // if (localLOGV) Log.v(TAG, "Handler started!"); |
| 844 | //} |
| 845 | |
| 846 | public void handleMessage(Message msg) { |
| 847 | switch (msg.what) { |
| 848 | case SHOW_ERROR_MSG: { |
| 849 | HashMap data = (HashMap) msg.obj; |
| 850 | byte[] crashData = (byte[])data.get("crashData"); |
| 851 | if (crashData != null) { |
| 852 | // This needs to be *un*synchronized to avoid deadlock. |
| 853 | ContentResolver resolver = mContext.getContentResolver(); |
| 854 | Checkin.reportCrash(resolver, crashData); |
| 855 | } |
| 856 | synchronized (ActivityManagerService.this) { |
| 857 | ProcessRecord proc = (ProcessRecord)data.get("app"); |
| 858 | if (proc != null && proc.crashDialog != null) { |
| 859 | Log.e(TAG, "App already has crash dialog: " + proc); |
| 860 | return; |
| 861 | } |
| 862 | AppErrorResult res = (AppErrorResult) data.get("result"); |
| 863 | if (!mSleeping) { |
| 864 | Dialog d = new AppErrorDialog( |
| 865 | mContext, res, proc, |
| 866 | (Integer)data.get("flags"), |
| 867 | (String)data.get("shortMsg"), |
| 868 | (String)data.get("longMsg")); |
| 869 | d.show(); |
| 870 | proc.crashDialog = d; |
| 871 | } else { |
| 872 | // The device is asleep, so just pretend that the user |
| 873 | // saw a crash dialog and hit "force quit". |
| 874 | res.set(0); |
| 875 | } |
| 876 | } |
| 877 | } break; |
| 878 | case SHOW_NOT_RESPONDING_MSG: { |
| 879 | synchronized (ActivityManagerService.this) { |
| 880 | HashMap data = (HashMap) msg.obj; |
| 881 | ProcessRecord proc = (ProcessRecord)data.get("app"); |
| 882 | if (proc != null && proc.anrDialog != null) { |
| 883 | Log.e(TAG, "App already has anr dialog: " + proc); |
| 884 | return; |
| 885 | } |
The Android Open Source Project | 4df2423 | 2009-03-05 14:34:35 -0800 | [diff] [blame] | 886 | |
| 887 | broadcastIntentLocked(null, null, new Intent("android.intent.action.ANR"), |
| 888 | null, null, 0, null, null, null, |
| 889 | false, false, MY_PID, Process.SYSTEM_UID); |
| 890 | |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 891 | Dialog d = new AppNotRespondingDialog(ActivityManagerService.this, |
| 892 | mContext, proc, (HistoryRecord)data.get("activity")); |
| 893 | d.show(); |
| 894 | proc.anrDialog = d; |
| 895 | } |
| 896 | } break; |
| 897 | case SHOW_FACTORY_ERROR_MSG: { |
| 898 | Dialog d = new FactoryErrorDialog( |
| 899 | mContext, msg.getData().getCharSequence("msg")); |
| 900 | d.show(); |
| 901 | enableScreenAfterBoot(); |
| 902 | } break; |
| 903 | case UPDATE_CONFIGURATION_MSG: { |
| 904 | final ContentResolver resolver = mContext.getContentResolver(); |
| 905 | Settings.System.putConfiguration(resolver, (Configuration)msg.obj); |
| 906 | } break; |
| 907 | case GC_BACKGROUND_PROCESSES_MSG: { |
| 908 | synchronized (ActivityManagerService.this) { |
| 909 | performAppGcsIfAppropriateLocked(); |
| 910 | } |
| 911 | } break; |
| 912 | case WAIT_FOR_DEBUGGER_MSG: { |
| 913 | synchronized (ActivityManagerService.this) { |
| 914 | ProcessRecord app = (ProcessRecord)msg.obj; |
| 915 | if (msg.arg1 != 0) { |
| 916 | if (!app.waitedForDebugger) { |
| 917 | Dialog d = new AppWaitingForDebuggerDialog( |
| 918 | ActivityManagerService.this, |
| 919 | mContext, app); |
| 920 | app.waitDialog = d; |
| 921 | app.waitedForDebugger = true; |
| 922 | d.show(); |
| 923 | } |
| 924 | } else { |
| 925 | if (app.waitDialog != null) { |
| 926 | app.waitDialog.dismiss(); |
| 927 | app.waitDialog = null; |
| 928 | } |
| 929 | } |
| 930 | } |
| 931 | } break; |
| 932 | case BROADCAST_INTENT_MSG: { |
| 933 | if (DEBUG_BROADCAST) Log.v( |
| 934 | TAG, "Received BROADCAST_INTENT_MSG"); |
| 935 | processNextBroadcast(true); |
| 936 | } break; |
| 937 | case BROADCAST_TIMEOUT_MSG: { |
| 938 | broadcastTimeout(); |
| 939 | } break; |
| 940 | case PAUSE_TIMEOUT_MSG: { |
| 941 | IBinder token = (IBinder)msg.obj; |
| 942 | // We don't at this point know if the activity is fullscreen, |
| 943 | // so we need to be conservative and assume it isn't. |
| 944 | Log.w(TAG, "Activity pause timeout for " + token); |
| 945 | activityPaused(token, null, true); |
| 946 | } break; |
| 947 | case IDLE_TIMEOUT_MSG: { |
| 948 | IBinder token = (IBinder)msg.obj; |
| 949 | // We don't at this point know if the activity is fullscreen, |
| 950 | // so we need to be conservative and assume it isn't. |
| 951 | Log.w(TAG, "Activity idle timeout for " + token); |
| 952 | activityIdleInternal(token, true); |
| 953 | } break; |
| 954 | case DESTROY_TIMEOUT_MSG: { |
| 955 | IBinder token = (IBinder)msg.obj; |
| 956 | // We don't at this point know if the activity is fullscreen, |
| 957 | // so we need to be conservative and assume it isn't. |
| 958 | Log.w(TAG, "Activity destroy timeout for " + token); |
| 959 | activityDestroyed(token); |
| 960 | } break; |
| 961 | case IDLE_NOW_MSG: { |
| 962 | IBinder token = (IBinder)msg.obj; |
| 963 | activityIdle(token); |
| 964 | } break; |
| 965 | case SERVICE_TIMEOUT_MSG: { |
| 966 | serviceTimeout((ProcessRecord)msg.obj); |
| 967 | } break; |
| 968 | case UPDATE_TIME_ZONE: { |
| 969 | synchronized (ActivityManagerService.this) { |
| 970 | for (int i = mLRUProcesses.size() - 1 ; i >= 0 ; i--) { |
| 971 | ProcessRecord r = mLRUProcesses.get(i); |
| 972 | if (r.thread != null) { |
| 973 | try { |
| 974 | r.thread.updateTimeZone(); |
| 975 | } catch (RemoteException ex) { |
| 976 | Log.w(TAG, "Failed to update time zone for: " + r.info.processName); |
| 977 | } |
| 978 | } |
| 979 | } |
| 980 | } |
| 981 | break; |
| 982 | } |
| 983 | case SHOW_UID_ERROR_MSG: { |
| 984 | // XXX This is a temporary dialog, no need to localize. |
| 985 | AlertDialog d = new BaseErrorDialog(mContext); |
| 986 | d.getWindow().setType(WindowManager.LayoutParams.TYPE_SYSTEM_ERROR); |
| 987 | d.setCancelable(false); |
| 988 | d.setTitle("System UIDs Inconsistent"); |
| 989 | d.setMessage("UIDs on the system are inconsistent, you need to wipe your data partition or your device will be unstable."); |
| 990 | d.setButton("I'm Feeling Lucky", |
| 991 | mHandler.obtainMessage(IM_FEELING_LUCKY_MSG)); |
| 992 | mUidAlert = d; |
| 993 | d.show(); |
| 994 | } break; |
| 995 | case IM_FEELING_LUCKY_MSG: { |
| 996 | if (mUidAlert != null) { |
| 997 | mUidAlert.dismiss(); |
| 998 | mUidAlert = null; |
| 999 | } |
| 1000 | } break; |
| 1001 | case LAUNCH_TIMEOUT_MSG: { |
| 1002 | synchronized (ActivityManagerService.this) { |
| 1003 | if (mLaunchingActivity.isHeld()) { |
| 1004 | Log.w(TAG, "Launch timeout has expired, giving up wake lock!"); |
| 1005 | mLaunchingActivity.release(); |
| 1006 | } |
| 1007 | } |
| 1008 | } break; |
| 1009 | case SERVICE_ERROR_MSG: { |
| 1010 | ServiceRecord srv = (ServiceRecord)msg.obj; |
| 1011 | // This needs to be *un*synchronized to avoid deadlock. |
| 1012 | Checkin.logEvent(mContext.getContentResolver(), |
| 1013 | Checkin.Events.Tag.SYSTEM_SERVICE_LOOPING, |
| 1014 | srv.name.toShortString()); |
| 1015 | } break; |
| 1016 | case RESUME_TOP_ACTIVITY_MSG: { |
| 1017 | synchronized (ActivityManagerService.this) { |
| 1018 | resumeTopActivityLocked(null); |
| 1019 | } |
| 1020 | } |
| 1021 | case PROC_START_TIMEOUT_MSG: { |
| 1022 | ProcessRecord app = (ProcessRecord)msg.obj; |
| 1023 | synchronized (ActivityManagerService.this) { |
| 1024 | processStartTimedOutLocked(app); |
| 1025 | } |
| 1026 | } |
| 1027 | } |
| 1028 | } |
| 1029 | }; |
| 1030 | |
| 1031 | public static void setSystemProcess() { |
| 1032 | try { |
| 1033 | ActivityManagerService m = mSelf; |
| 1034 | |
| 1035 | ServiceManager.addService("activity", m); |
| 1036 | ServiceManager.addService("meminfo", new MemBinder(m)); |
| 1037 | if (MONITOR_CPU_USAGE) { |
| 1038 | ServiceManager.addService("cpuinfo", new CpuBinder(m)); |
| 1039 | } |
| 1040 | ServiceManager.addService("activity.broadcasts", new BroadcastsBinder(m)); |
| 1041 | ServiceManager.addService("activity.services", new ServicesBinder(m)); |
| 1042 | ServiceManager.addService("activity.senders", new SendersBinder(m)); |
| 1043 | ServiceManager.addService("activity.providers", new ProvidersBinder(m)); |
| 1044 | ServiceManager.addService("permission", new PermissionController(m)); |
| 1045 | |
| 1046 | ApplicationInfo info = |
| 1047 | mSelf.mContext.getPackageManager().getApplicationInfo( |
| 1048 | "android", PackageManager.GET_SHARED_LIBRARY_FILES); |
| 1049 | synchronized (mSelf) { |
| 1050 | ProcessRecord app = mSelf.newProcessRecordLocked( |
| 1051 | mSystemThread.getApplicationThread(), info, |
| 1052 | info.processName); |
| 1053 | app.persistent = true; |
| 1054 | app.pid = Process.myPid(); |
| 1055 | app.maxAdj = SYSTEM_ADJ; |
| 1056 | mSelf.mProcessNames.put(app.processName, app.info.uid, app); |
| 1057 | synchronized (mSelf.mPidsSelfLocked) { |
| 1058 | mSelf.mPidsSelfLocked.put(app.pid, app); |
| 1059 | } |
| 1060 | mSelf.updateLRUListLocked(app, true); |
| 1061 | } |
| 1062 | } catch (PackageManager.NameNotFoundException e) { |
| 1063 | throw new RuntimeException( |
| 1064 | "Unable to find android system package", e); |
| 1065 | } |
| 1066 | } |
| 1067 | |
| 1068 | public void setWindowManager(WindowManagerService wm) { |
| 1069 | mWindowManager = wm; |
| 1070 | } |
| 1071 | |
| 1072 | public static final Context main(int factoryTest) { |
| 1073 | AThread thr = new AThread(); |
| 1074 | thr.start(); |
| 1075 | |
| 1076 | synchronized (thr) { |
| 1077 | while (thr.mService == null) { |
| 1078 | try { |
| 1079 | thr.wait(); |
| 1080 | } catch (InterruptedException e) { |
| 1081 | } |
| 1082 | } |
| 1083 | } |
| 1084 | |
| 1085 | ActivityManagerService m = thr.mService; |
| 1086 | mSelf = m; |
| 1087 | ActivityThread at = ActivityThread.systemMain(); |
| 1088 | mSystemThread = at; |
| 1089 | Context context = at.getSystemContext(); |
| 1090 | m.mContext = context; |
| 1091 | m.mFactoryTest = factoryTest; |
| 1092 | PowerManager pm = |
| 1093 | (PowerManager)context.getSystemService(Context.POWER_SERVICE); |
| 1094 | m.mGoingToSleep = pm.newWakeLock(PowerManager.PARTIAL_WAKE_LOCK, "ActivityManager-Sleep"); |
| 1095 | m.mLaunchingActivity = pm.newWakeLock(PowerManager.PARTIAL_WAKE_LOCK, "ActivityManager-Launch"); |
| 1096 | m.mLaunchingActivity.setReferenceCounted(false); |
| 1097 | |
| 1098 | m.mBatteryStatsService.publish(context); |
| 1099 | m.mUsageStatsService.publish(context); |
| 1100 | |
| 1101 | synchronized (thr) { |
| 1102 | thr.mReady = true; |
| 1103 | thr.notifyAll(); |
| 1104 | } |
| 1105 | |
| 1106 | m.startRunning(null, null, null, null); |
| 1107 | |
| 1108 | return context; |
| 1109 | } |
| 1110 | |
| 1111 | public static ActivityManagerService self() { |
| 1112 | return mSelf; |
| 1113 | } |
| 1114 | |
| 1115 | static class AThread extends Thread { |
| 1116 | ActivityManagerService mService; |
| 1117 | boolean mReady = false; |
| 1118 | |
| 1119 | public AThread() { |
| 1120 | super("ActivityManager"); |
| 1121 | } |
| 1122 | |
| 1123 | public void run() { |
| 1124 | Looper.prepare(); |
| 1125 | |
| 1126 | android.os.Process.setThreadPriority( |
| 1127 | android.os.Process.THREAD_PRIORITY_FOREGROUND); |
| 1128 | |
| 1129 | ActivityManagerService m = new ActivityManagerService(); |
| 1130 | |
| 1131 | synchronized (this) { |
| 1132 | mService = m; |
| 1133 | notifyAll(); |
| 1134 | } |
| 1135 | |
| 1136 | synchronized (this) { |
| 1137 | while (!mReady) { |
| 1138 | try { |
| 1139 | wait(); |
| 1140 | } catch (InterruptedException e) { |
| 1141 | } |
| 1142 | } |
| 1143 | } |
| 1144 | |
| 1145 | Looper.loop(); |
| 1146 | } |
| 1147 | } |
| 1148 | |
| 1149 | static class BroadcastsBinder extends Binder { |
| 1150 | ActivityManagerService mActivityManagerService; |
| 1151 | BroadcastsBinder(ActivityManagerService activityManagerService) { |
| 1152 | mActivityManagerService = activityManagerService; |
| 1153 | } |
| 1154 | |
| 1155 | @Override |
| 1156 | protected void dump(FileDescriptor fd, PrintWriter pw, String[] args) { |
| 1157 | mActivityManagerService.dumpBroadcasts(pw); |
| 1158 | } |
| 1159 | } |
| 1160 | |
| 1161 | static class ServicesBinder extends Binder { |
| 1162 | ActivityManagerService mActivityManagerService; |
| 1163 | ServicesBinder(ActivityManagerService activityManagerService) { |
| 1164 | mActivityManagerService = activityManagerService; |
| 1165 | } |
| 1166 | |
| 1167 | @Override |
| 1168 | protected void dump(FileDescriptor fd, PrintWriter pw, String[] args) { |
| 1169 | mActivityManagerService.dumpServices(pw); |
| 1170 | } |
| 1171 | } |
| 1172 | |
| 1173 | static class SendersBinder extends Binder { |
| 1174 | ActivityManagerService mActivityManagerService; |
| 1175 | SendersBinder(ActivityManagerService activityManagerService) { |
| 1176 | mActivityManagerService = activityManagerService; |
| 1177 | } |
| 1178 | |
| 1179 | @Override |
| 1180 | protected void dump(FileDescriptor fd, PrintWriter pw, String[] args) { |
| 1181 | mActivityManagerService.dumpSenders(pw); |
| 1182 | } |
| 1183 | } |
| 1184 | |
| 1185 | static class ProvidersBinder extends Binder { |
| 1186 | ActivityManagerService mActivityManagerService; |
| 1187 | ProvidersBinder(ActivityManagerService activityManagerService) { |
| 1188 | mActivityManagerService = activityManagerService; |
| 1189 | } |
| 1190 | |
| 1191 | @Override |
| 1192 | protected void dump(FileDescriptor fd, PrintWriter pw, String[] args) { |
| 1193 | mActivityManagerService.dumpProviders(pw); |
| 1194 | } |
| 1195 | } |
| 1196 | |
| 1197 | static class MemBinder extends Binder { |
| 1198 | ActivityManagerService mActivityManagerService; |
| 1199 | MemBinder(ActivityManagerService activityManagerService) { |
| 1200 | mActivityManagerService = activityManagerService; |
| 1201 | } |
| 1202 | |
| 1203 | @Override |
| 1204 | protected void dump(FileDescriptor fd, PrintWriter pw, String[] args) { |
| 1205 | ActivityManagerService service = mActivityManagerService; |
| 1206 | ArrayList<ProcessRecord> procs; |
| 1207 | synchronized (mActivityManagerService) { |
| 1208 | if (args != null && args.length > 0 |
| 1209 | && args[0].charAt(0) != '-') { |
| 1210 | procs = new ArrayList<ProcessRecord>(); |
| 1211 | int pid = -1; |
| 1212 | try { |
| 1213 | pid = Integer.parseInt(args[0]); |
| 1214 | } catch (NumberFormatException e) { |
| 1215 | |
| 1216 | } |
| 1217 | for (int i=0; i<service.mLRUProcesses.size(); i++) { |
| 1218 | ProcessRecord proc = service.mLRUProcesses.get(i); |
| 1219 | if (proc.pid == pid) { |
| 1220 | procs.add(proc); |
| 1221 | } else if (proc.processName.equals(args[0])) { |
| 1222 | procs.add(proc); |
| 1223 | } |
| 1224 | } |
| 1225 | if (procs.size() <= 0) { |
| 1226 | pw.println("No process found for: " + args[0]); |
| 1227 | return; |
| 1228 | } |
| 1229 | } else { |
| 1230 | procs = service.mLRUProcesses; |
| 1231 | } |
| 1232 | } |
| 1233 | dumpApplicationMemoryUsage(fd, pw, procs, " ", args); |
| 1234 | } |
| 1235 | } |
| 1236 | |
| 1237 | static class CpuBinder extends Binder { |
| 1238 | ActivityManagerService mActivityManagerService; |
| 1239 | CpuBinder(ActivityManagerService activityManagerService) { |
| 1240 | mActivityManagerService = activityManagerService; |
| 1241 | } |
| 1242 | |
| 1243 | @Override |
| 1244 | protected void dump(FileDescriptor fd, PrintWriter pw, String[] args) { |
| 1245 | synchronized (mActivityManagerService.mProcessStatsThread) { |
| 1246 | pw.print(mActivityManagerService.mProcessStats.printCurrentState()); |
| 1247 | } |
| 1248 | } |
| 1249 | } |
| 1250 | |
| 1251 | private ActivityManagerService() { |
| 1252 | String v = System.getenv("ANDROID_SIMPLE_PROCESS_MANAGEMENT"); |
| 1253 | if (v != null && Integer.getInteger(v) != 0) { |
| 1254 | mSimpleProcessManagement = true; |
| 1255 | } |
| 1256 | v = System.getenv("ANDROID_DEBUG_APP"); |
| 1257 | if (v != null) { |
| 1258 | mSimpleProcessManagement = true; |
| 1259 | } |
| 1260 | |
| 1261 | MY_PID = Process.myPid(); |
| 1262 | |
| 1263 | File dataDir = Environment.getDataDirectory(); |
| 1264 | File systemDir = new File(dataDir, "system"); |
| 1265 | systemDir.mkdirs(); |
| 1266 | mBatteryStatsService = new BatteryStatsService(new File( |
| 1267 | systemDir, "batterystats.bin").toString()); |
| 1268 | mBatteryStatsService.getActiveStatistics().readLocked(); |
| 1269 | mBatteryStatsService.getActiveStatistics().writeLocked(); |
| 1270 | |
| 1271 | mUsageStatsService = new UsageStatsService( new File( |
| 1272 | systemDir, "usagestats.bin").toString()); |
| 1273 | |
| 1274 | mConfiguration.makeDefault(); |
| 1275 | mProcessStats.init(); |
| 1276 | |
| 1277 | // Add ourself to the Watchdog monitors. |
| 1278 | Watchdog.getInstance().addMonitor(this); |
| 1279 | |
| 1280 | // These values are set in system/rootdir/init.rc on startup. |
| 1281 | FOREGROUND_APP_ADJ = |
| 1282 | Integer.valueOf(SystemProperties.get("ro.FOREGROUND_APP_ADJ")); |
| 1283 | VISIBLE_APP_ADJ = |
| 1284 | Integer.valueOf(SystemProperties.get("ro.VISIBLE_APP_ADJ")); |
| 1285 | SECONDARY_SERVER_ADJ = |
| 1286 | Integer.valueOf(SystemProperties.get("ro.SECONDARY_SERVER_ADJ")); |
The Android Open Source Project | 4df2423 | 2009-03-05 14:34:35 -0800 | [diff] [blame] | 1287 | HOME_APP_ADJ = |
| 1288 | Integer.valueOf(SystemProperties.get("ro.HOME_APP_ADJ")); |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 1289 | HIDDEN_APP_MIN_ADJ = |
| 1290 | Integer.valueOf(SystemProperties.get("ro.HIDDEN_APP_MIN_ADJ")); |
| 1291 | CONTENT_PROVIDER_ADJ = |
| 1292 | Integer.valueOf(SystemProperties.get("ro.CONTENT_PROVIDER_ADJ")); |
| 1293 | HIDDEN_APP_MAX_ADJ = CONTENT_PROVIDER_ADJ-1; |
| 1294 | EMPTY_APP_ADJ = |
| 1295 | Integer.valueOf(SystemProperties.get("ro.EMPTY_APP_ADJ")); |
| 1296 | FOREGROUND_APP_MEM = |
| 1297 | Integer.valueOf(SystemProperties.get("ro.FOREGROUND_APP_MEM"))*PAGE_SIZE; |
| 1298 | VISIBLE_APP_MEM = |
| 1299 | Integer.valueOf(SystemProperties.get("ro.VISIBLE_APP_MEM"))*PAGE_SIZE; |
| 1300 | SECONDARY_SERVER_MEM = |
| 1301 | Integer.valueOf(SystemProperties.get("ro.SECONDARY_SERVER_MEM"))*PAGE_SIZE; |
The Android Open Source Project | 4df2423 | 2009-03-05 14:34:35 -0800 | [diff] [blame] | 1302 | HOME_APP_MEM = |
| 1303 | Integer.valueOf(SystemProperties.get("ro.HOME_APP_MEM"))*PAGE_SIZE; |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 1304 | HIDDEN_APP_MEM = |
| 1305 | Integer.valueOf(SystemProperties.get("ro.HIDDEN_APP_MEM"))*PAGE_SIZE; |
| 1306 | EMPTY_APP_MEM = |
| 1307 | Integer.valueOf(SystemProperties.get("ro.EMPTY_APP_MEM"))*PAGE_SIZE; |
| 1308 | |
| 1309 | mProcessStatsThread = new Thread("ProcessStats") { |
| 1310 | public void run() { |
| 1311 | while (true) { |
| 1312 | try { |
| 1313 | try { |
| 1314 | synchronized(this) { |
| 1315 | final long now = SystemClock.uptimeMillis(); |
| 1316 | long nextCpuDelay = (mLastCpuTime+MONITOR_CPU_MAX_TIME)-now; |
| 1317 | long nextWriteDelay = (mLastWriteTime+BATTERY_STATS_TIME)-now; |
| 1318 | //Log.i(TAG, "Cpu delay=" + nextCpuDelay |
| 1319 | // + ", write delay=" + nextWriteDelay); |
| 1320 | if (nextWriteDelay < nextCpuDelay) { |
| 1321 | nextCpuDelay = nextWriteDelay; |
| 1322 | } |
| 1323 | if (nextCpuDelay > 0) { |
| 1324 | this.wait(nextCpuDelay); |
| 1325 | } |
| 1326 | } |
| 1327 | } catch (InterruptedException e) { |
| 1328 | } |
| 1329 | |
| 1330 | updateCpuStatsNow(); |
| 1331 | } catch (Exception e) { |
| 1332 | Log.e(TAG, "Unexpected exception collecting process stats", e); |
| 1333 | } |
| 1334 | } |
| 1335 | } |
| 1336 | }; |
| 1337 | mProcessStatsThread.start(); |
| 1338 | } |
| 1339 | |
| 1340 | @Override |
| 1341 | public boolean onTransact(int code, Parcel data, Parcel reply, int flags) |
| 1342 | throws RemoteException { |
| 1343 | try { |
| 1344 | return super.onTransact(code, data, reply, flags); |
| 1345 | } catch (RuntimeException e) { |
| 1346 | // The activity manager only throws security exceptions, so let's |
| 1347 | // log all others. |
| 1348 | if (!(e instanceof SecurityException)) { |
| 1349 | Log.e(TAG, "Activity Manager Crash", e); |
| 1350 | } |
| 1351 | throw e; |
| 1352 | } |
| 1353 | } |
| 1354 | |
| 1355 | void updateCpuStats() { |
| 1356 | synchronized (mProcessStatsThread) { |
| 1357 | final long now = SystemClock.uptimeMillis(); |
| 1358 | if (mLastCpuTime < (now-MONITOR_CPU_MIN_TIME)) { |
| 1359 | mProcessStatsThread.notify(); |
| 1360 | } |
| 1361 | } |
| 1362 | } |
| 1363 | |
| 1364 | void updateCpuStatsNow() { |
| 1365 | synchronized (mProcessStatsThread) { |
| 1366 | final long now = SystemClock.uptimeMillis(); |
| 1367 | boolean haveNewCpuStats = false; |
| 1368 | |
| 1369 | if (MONITOR_CPU_USAGE && |
| 1370 | mLastCpuTime < (now-MONITOR_CPU_MIN_TIME)) { |
| 1371 | mLastCpuTime = now; |
| 1372 | haveNewCpuStats = true; |
| 1373 | mProcessStats.update(); |
| 1374 | //Log.i(TAG, mProcessStats.printCurrentState()); |
| 1375 | //Log.i(TAG, "Total CPU usage: " |
| 1376 | // + mProcessStats.getTotalCpuPercent() + "%"); |
| 1377 | |
| 1378 | // Log the cpu usage if the property is set. |
| 1379 | if ("true".equals(SystemProperties.get("events.cpu"))) { |
| 1380 | int user = mProcessStats.getLastUserTime(); |
| 1381 | int system = mProcessStats.getLastSystemTime(); |
| 1382 | int iowait = mProcessStats.getLastIoWaitTime(); |
| 1383 | int irq = mProcessStats.getLastIrqTime(); |
| 1384 | int softIrq = mProcessStats.getLastSoftIrqTime(); |
| 1385 | int idle = mProcessStats.getLastIdleTime(); |
| 1386 | |
| 1387 | int total = user + system + iowait + irq + softIrq + idle; |
| 1388 | if (total == 0) total = 1; |
| 1389 | |
| 1390 | EventLog.writeEvent(LOG_CPU, |
| 1391 | ((user+system+iowait+irq+softIrq) * 100) / total, |
| 1392 | (user * 100) / total, |
| 1393 | (system * 100) / total, |
| 1394 | (iowait * 100) / total, |
| 1395 | (irq * 100) / total, |
| 1396 | (softIrq * 100) / total); |
| 1397 | } |
| 1398 | } |
| 1399 | |
| 1400 | synchronized(mBatteryStatsService.getActiveStatistics()) { |
| 1401 | synchronized(mPidsSelfLocked) { |
| 1402 | if (haveNewCpuStats) { |
| 1403 | if (mBatteryStatsService.isOnBattery()) { |
| 1404 | final int N = mProcessStats.countWorkingStats(); |
| 1405 | for (int i=0; i<N; i++) { |
| 1406 | ProcessStats.Stats st |
| 1407 | = mProcessStats.getWorkingStats(i); |
| 1408 | ProcessRecord pr = mPidsSelfLocked.get(st.pid); |
| 1409 | if (pr != null) { |
| 1410 | BatteryStatsImpl.Uid.Proc ps = pr.batteryStats; |
| 1411 | ps.addCpuTimeLocked(st.rel_utime, st.rel_stime); |
| 1412 | } |
| 1413 | } |
| 1414 | } |
| 1415 | } |
| 1416 | } |
| 1417 | |
| 1418 | if (mLastWriteTime < (now-BATTERY_STATS_TIME)) { |
| 1419 | mLastWriteTime = now; |
| 1420 | mBatteryStatsService.getActiveStatistics().writeLocked(); |
| 1421 | } |
| 1422 | } |
| 1423 | } |
| 1424 | } |
| 1425 | |
| 1426 | /** |
| 1427 | * Initialize the application bind args. These are passed to each |
| 1428 | * process when the bindApplication() IPC is sent to the process. They're |
| 1429 | * lazily setup to make sure the services are running when they're asked for. |
| 1430 | */ |
| 1431 | private HashMap<String, IBinder> getCommonServicesLocked() { |
| 1432 | if (mAppBindArgs == null) { |
| 1433 | mAppBindArgs = new HashMap<String, IBinder>(); |
| 1434 | |
| 1435 | // Setup the application init args |
| 1436 | mAppBindArgs.put("package", ServiceManager.getService("package")); |
| 1437 | mAppBindArgs.put("window", ServiceManager.getService("window")); |
| 1438 | mAppBindArgs.put(Context.ALARM_SERVICE, |
| 1439 | ServiceManager.getService(Context.ALARM_SERVICE)); |
| 1440 | } |
| 1441 | return mAppBindArgs; |
| 1442 | } |
| 1443 | |
| 1444 | private final void setFocusedActivityLocked(HistoryRecord r) { |
| 1445 | if (mFocusedActivity != r) { |
| 1446 | mFocusedActivity = r; |
| 1447 | mWindowManager.setFocusedApp(r, true); |
| 1448 | } |
| 1449 | } |
| 1450 | |
| 1451 | private final void updateLRUListLocked(ProcessRecord app, |
| 1452 | boolean oomAdj) { |
| 1453 | // put it on the LRU to keep track of when it should be exited. |
| 1454 | int lrui = mLRUProcesses.indexOf(app); |
| 1455 | if (lrui >= 0) mLRUProcesses.remove(lrui); |
| 1456 | mLRUProcesses.add(app); |
| 1457 | //Log.i(TAG, "Putting proc to front: " + app.processName); |
| 1458 | if (oomAdj) { |
| 1459 | updateOomAdjLocked(); |
| 1460 | } |
| 1461 | } |
| 1462 | |
| 1463 | private final boolean updateLRUListLocked(HistoryRecord r) { |
| 1464 | final boolean hadit = mLRUActivities.remove(r); |
| 1465 | mLRUActivities.add(r); |
| 1466 | return hadit; |
| 1467 | } |
| 1468 | |
| 1469 | private final HistoryRecord topRunningActivityLocked(HistoryRecord notTop) { |
| 1470 | int i = mHistory.size()-1; |
| 1471 | while (i >= 0) { |
| 1472 | HistoryRecord r = (HistoryRecord)mHistory.get(i); |
| 1473 | if (!r.finishing && r != notTop) { |
| 1474 | return r; |
| 1475 | } |
| 1476 | i--; |
| 1477 | } |
| 1478 | return null; |
| 1479 | } |
| 1480 | |
| 1481 | /** |
| 1482 | * This is a simplified version of topRunningActivityLocked that provides a number of |
| 1483 | * optional skip-over modes. It is intended for use with the ActivityWatcher hook only. |
| 1484 | * |
| 1485 | * @param token If non-null, any history records matching this token will be skipped. |
| 1486 | * @param taskId If non-zero, we'll attempt to skip over records with the same task ID. |
| 1487 | * |
| 1488 | * @return Returns the HistoryRecord of the next activity on the stack. |
| 1489 | */ |
| 1490 | private final HistoryRecord topRunningActivityLocked(IBinder token, int taskId) { |
| 1491 | int i = mHistory.size()-1; |
| 1492 | while (i >= 0) { |
| 1493 | HistoryRecord r = (HistoryRecord)mHistory.get(i); |
| 1494 | // Note: the taskId check depends on real taskId fields being non-zero |
| 1495 | if (!r.finishing && (token != r) && (taskId != r.task.taskId)) { |
| 1496 | return r; |
| 1497 | } |
| 1498 | i--; |
| 1499 | } |
| 1500 | return null; |
| 1501 | } |
| 1502 | |
| 1503 | private final ProcessRecord getProcessRecordLocked( |
| 1504 | String processName, int uid) { |
| 1505 | if (uid == Process.SYSTEM_UID) { |
| 1506 | // The system gets to run in any process. If there are multiple |
| 1507 | // processes with the same uid, just pick the first (this |
| 1508 | // should never happen). |
| 1509 | SparseArray<ProcessRecord> procs = mProcessNames.getMap().get( |
| 1510 | processName); |
| 1511 | return procs != null ? procs.valueAt(0) : null; |
| 1512 | } |
| 1513 | ProcessRecord proc = mProcessNames.get(processName, uid); |
| 1514 | return proc; |
| 1515 | } |
| 1516 | |
| 1517 | private boolean isNextTransitionForward() { |
| 1518 | int transit = mWindowManager.getPendingAppTransition(); |
| 1519 | return transit == WindowManagerPolicy.TRANSIT_ACTIVITY_OPEN |
| 1520 | || transit == WindowManagerPolicy.TRANSIT_TASK_OPEN |
| 1521 | || transit == WindowManagerPolicy.TRANSIT_TASK_TO_FRONT; |
| 1522 | } |
| 1523 | |
| 1524 | private final boolean realStartActivityLocked(HistoryRecord r, |
| 1525 | ProcessRecord app, boolean andResume, boolean checkConfig) |
| 1526 | throws RemoteException { |
| 1527 | |
| 1528 | r.startFreezingScreenLocked(app, 0); |
| 1529 | mWindowManager.setAppVisibility(r, true); |
| 1530 | |
| 1531 | // Have the window manager re-evaluate the orientation of |
| 1532 | // the screen based on the new activity order. Note that |
| 1533 | // as a result of this, it can call back into the activity |
| 1534 | // manager with a new orientation. We don't care about that, |
| 1535 | // because the activity is not currently running so we are |
| 1536 | // just restarting it anyway. |
| 1537 | if (checkConfig) { |
| 1538 | Configuration config = mWindowManager.updateOrientationFromAppTokens( |
| 1539 | r.mayFreezeScreenLocked(app) ? r : null); |
| 1540 | updateConfigurationLocked(config, r); |
| 1541 | } |
| 1542 | |
| 1543 | r.app = app; |
| 1544 | |
| 1545 | if (localLOGV) Log.v(TAG, "Launching: " + r); |
| 1546 | |
| 1547 | int idx = app.activities.indexOf(r); |
| 1548 | if (idx < 0) { |
| 1549 | app.activities.add(r); |
| 1550 | } |
| 1551 | updateLRUListLocked(app, true); |
| 1552 | |
| 1553 | try { |
| 1554 | if (app.thread == null) { |
| 1555 | throw new RemoteException(); |
| 1556 | } |
| 1557 | List<ResultInfo> results = null; |
| 1558 | List<Intent> newIntents = null; |
| 1559 | if (andResume) { |
| 1560 | results = r.results; |
| 1561 | newIntents = r.newIntents; |
| 1562 | } |
| 1563 | if (DEBUG_SWITCH) Log.v(TAG, "Launching: " + r |
| 1564 | + " icicle=" + r.icicle |
| 1565 | + " with results=" + results + " newIntents=" + newIntents |
| 1566 | + " andResume=" + andResume); |
| 1567 | if (andResume) { |
| 1568 | EventLog.writeEvent(LOG_AM_RESTART_ACTIVITY, |
| 1569 | System.identityHashCode(r), |
| 1570 | r.task.taskId, r.shortComponentName); |
| 1571 | } |
The Android Open Source Project | 4df2423 | 2009-03-05 14:34:35 -0800 | [diff] [blame] | 1572 | if (r.isHomeActivity) { |
| 1573 | mHomeProcess = app; |
| 1574 | } |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 1575 | app.thread.scheduleLaunchActivity(new Intent(r.intent), r, |
| 1576 | r.info, r.icicle, results, newIntents, !andResume, |
| 1577 | isNextTransitionForward()); |
| 1578 | // Update usage stats for launched activity |
| 1579 | updateUsageStats(r, true); |
| 1580 | } catch (RemoteException e) { |
| 1581 | if (r.launchFailed) { |
| 1582 | // This is the second time we failed -- finish activity |
| 1583 | // and give up. |
| 1584 | Log.e(TAG, "Second failure launching " |
| 1585 | + r.intent.getComponent().flattenToShortString() |
| 1586 | + ", giving up", e); |
| 1587 | appDiedLocked(app, app.pid, app.thread); |
| 1588 | requestFinishActivityLocked(r, Activity.RESULT_CANCELED, null, |
| 1589 | "2nd-crash"); |
| 1590 | return false; |
| 1591 | } |
| 1592 | |
| 1593 | // This is the first time we failed -- restart process and |
| 1594 | // retry. |
| 1595 | app.activities.remove(r); |
| 1596 | throw e; |
| 1597 | } |
| 1598 | |
| 1599 | r.launchFailed = false; |
| 1600 | if (updateLRUListLocked(r)) { |
| 1601 | Log.w(TAG, "Activity " + r |
| 1602 | + " being launched, but already in LRU list"); |
| 1603 | } |
| 1604 | |
| 1605 | if (andResume) { |
| 1606 | // As part of the process of launching, ActivityThread also performs |
| 1607 | // a resume. |
| 1608 | r.state = ActivityState.RESUMED; |
| 1609 | r.icicle = null; |
| 1610 | r.haveState = false; |
| 1611 | r.stopped = false; |
| 1612 | mResumedActivity = r; |
| 1613 | r.task.touchActiveTime(); |
| 1614 | completeResumeLocked(r); |
| 1615 | pauseIfSleepingLocked(); |
| 1616 | } else { |
| 1617 | // This activity is not starting in the resumed state... which |
| 1618 | // should look like we asked it to pause+stop (but remain visible), |
| 1619 | // and it has done so and reported back the current icicle and |
| 1620 | // other state. |
| 1621 | r.state = ActivityState.STOPPED; |
| 1622 | r.stopped = true; |
| 1623 | } |
| 1624 | |
| 1625 | return true; |
| 1626 | } |
| 1627 | |
| 1628 | private final void startSpecificActivityLocked(HistoryRecord r, |
| 1629 | boolean andResume, boolean checkConfig) { |
| 1630 | // Is this activity's application already running? |
| 1631 | ProcessRecord app = getProcessRecordLocked(r.processName, |
| 1632 | r.info.applicationInfo.uid); |
| 1633 | |
| 1634 | if (r.startTime == 0) { |
| 1635 | r.startTime = SystemClock.uptimeMillis(); |
| 1636 | } |
| 1637 | |
| 1638 | if (app != null && app.thread != null) { |
| 1639 | try { |
| 1640 | realStartActivityLocked(r, app, andResume, checkConfig); |
| 1641 | return; |
| 1642 | } catch (RemoteException e) { |
| 1643 | Log.w(TAG, "Exception when starting activity " |
| 1644 | + r.intent.getComponent().flattenToShortString(), e); |
| 1645 | } |
| 1646 | |
| 1647 | // If a dead object exception was thrown -- fall through to |
| 1648 | // restart the application. |
| 1649 | } |
| 1650 | |
| 1651 | startProcessLocked(r.processName, r.info.applicationInfo, true, 0, |
| 1652 | "activity", r.intent.getComponent()); |
| 1653 | } |
| 1654 | |
| 1655 | private final ProcessRecord startProcessLocked(String processName, |
| 1656 | ApplicationInfo info, boolean knownToBeDead, int intentFlags, |
| 1657 | String hostingType, ComponentName hostingName) { |
| 1658 | ProcessRecord app = getProcessRecordLocked(processName, info.uid); |
| 1659 | // We don't have to do anything more if: |
| 1660 | // (1) There is an existing application record; and |
| 1661 | // (2) The caller doesn't think it is dead, OR there is no thread |
| 1662 | // object attached to it so we know it couldn't have crashed; and |
| 1663 | // (3) There is a pid assigned to it, so it is either starting or |
| 1664 | // already running. |
| 1665 | if (DEBUG_PROCESSES) Log.v(TAG, "startProcess: name=" + processName |
| 1666 | + " app=" + app + " knownToBeDead=" + knownToBeDead |
| 1667 | + " thread=" + (app != null ? app.thread : null) |
| 1668 | + " pid=" + (app != null ? app.pid : -1)); |
| 1669 | if (app != null && |
| 1670 | (!knownToBeDead || app.thread == null) && app.pid > 0) { |
| 1671 | return app; |
| 1672 | } |
| 1673 | |
| 1674 | String hostingNameStr = hostingName != null |
| 1675 | ? hostingName.flattenToShortString() : null; |
| 1676 | |
| 1677 | if ((intentFlags&Intent.FLAG_FROM_BACKGROUND) != 0) { |
| 1678 | // If we are in the background, then check to see if this process |
| 1679 | // is bad. If so, we will just silently fail. |
| 1680 | if (mBadProcesses.get(info.processName, info.uid) != null) { |
| 1681 | return null; |
| 1682 | } |
| 1683 | } else { |
| 1684 | // When the user is explicitly starting a process, then clear its |
| 1685 | // crash count so that we won't make it bad until they see at |
| 1686 | // least one crash dialog again, and make the process good again |
| 1687 | // if it had been bad. |
| 1688 | mProcessCrashTimes.remove(info.processName, info.uid); |
| 1689 | if (mBadProcesses.get(info.processName, info.uid) != null) { |
| 1690 | EventLog.writeEvent(LOG_AM_PROCESS_GOOD, info.uid, |
| 1691 | info.processName); |
| 1692 | mBadProcesses.remove(info.processName, info.uid); |
| 1693 | if (app != null) { |
| 1694 | app.bad = false; |
| 1695 | } |
| 1696 | } |
| 1697 | } |
| 1698 | |
| 1699 | if (app == null) { |
| 1700 | app = newProcessRecordLocked(null, info, processName); |
| 1701 | mProcessNames.put(processName, info.uid, app); |
| 1702 | } else { |
| 1703 | // If this is a new package in the process, add the package to the list |
| 1704 | app.addPackage(info.packageName); |
| 1705 | } |
| 1706 | |
| 1707 | // If the system is not ready yet, then hold off on starting this |
| 1708 | // process until it is. |
| 1709 | if (!mSystemReady |
| 1710 | && (info.flags&ApplicationInfo.FLAG_PERSISTENT) == 0) { |
| 1711 | if (!mProcessesOnHold.contains(app)) { |
| 1712 | mProcessesOnHold.add(app); |
| 1713 | } |
| 1714 | return app; |
| 1715 | } |
| 1716 | |
| 1717 | startProcessLocked(app, hostingType, hostingNameStr); |
| 1718 | return (app.pid != 0) ? app : null; |
| 1719 | } |
| 1720 | |
| 1721 | private final void startProcessLocked(ProcessRecord app, |
| 1722 | String hostingType, String hostingNameStr) { |
| 1723 | if (app.pid > 0 && app.pid != MY_PID) { |
| 1724 | synchronized (mPidsSelfLocked) { |
| 1725 | mPidsSelfLocked.remove(app.pid); |
| 1726 | mHandler.removeMessages(PROC_START_TIMEOUT_MSG, app); |
| 1727 | } |
| 1728 | app.pid = 0; |
| 1729 | } |
| 1730 | |
| 1731 | mProcessesOnHold.remove(app); |
| 1732 | |
| 1733 | updateCpuStats(); |
| 1734 | |
| 1735 | System.arraycopy(mProcDeaths, 0, mProcDeaths, 1, mProcDeaths.length-1); |
| 1736 | mProcDeaths[0] = 0; |
| 1737 | |
| 1738 | try { |
| 1739 | int uid = app.info.uid; |
| 1740 | int[] gids = null; |
| 1741 | try { |
| 1742 | gids = mContext.getPackageManager().getPackageGids( |
| 1743 | app.info.packageName); |
| 1744 | } catch (PackageManager.NameNotFoundException e) { |
| 1745 | Log.w(TAG, "Unable to retrieve gids", e); |
| 1746 | } |
| 1747 | if (mFactoryTest != SystemServer.FACTORY_TEST_OFF) { |
| 1748 | if (mFactoryTest == SystemServer.FACTORY_TEST_LOW_LEVEL |
| 1749 | && mTopComponent != null |
| 1750 | && app.processName.equals(mTopComponent.getPackageName())) { |
| 1751 | uid = 0; |
| 1752 | } |
| 1753 | if (mFactoryTest == SystemServer.FACTORY_TEST_HIGH_LEVEL |
| 1754 | && (app.info.flags&ApplicationInfo.FLAG_FACTORY_TEST) != 0) { |
| 1755 | uid = 0; |
| 1756 | } |
| 1757 | } |
| 1758 | int debugFlags = 0; |
| 1759 | if ((app.info.flags & ApplicationInfo.FLAG_DEBUGGABLE) != 0) { |
| 1760 | debugFlags |= Zygote.DEBUG_ENABLE_DEBUGGER; |
| 1761 | } |
| 1762 | if ("1".equals(SystemProperties.get("debug.checkjni"))) { |
| 1763 | debugFlags |= Zygote.DEBUG_ENABLE_CHECKJNI; |
| 1764 | } |
| 1765 | if ("1".equals(SystemProperties.get("debug.assert"))) { |
| 1766 | debugFlags |= Zygote.DEBUG_ENABLE_ASSERT; |
| 1767 | } |
| 1768 | int pid = Process.start("android.app.ActivityThread", |
| 1769 | mSimpleProcessManagement ? app.processName : null, uid, uid, |
| 1770 | gids, debugFlags, null); |
| 1771 | BatteryStatsImpl bs = app.batteryStats.getBatteryStats(); |
| 1772 | synchronized (bs) { |
| 1773 | if (bs.isOnBattery()) { |
| 1774 | app.batteryStats.incStartsLocked(); |
| 1775 | } |
| 1776 | } |
| 1777 | |
| 1778 | EventLog.writeEvent(LOG_AM_PROCESS_START, pid, uid, |
| 1779 | app.processName, hostingType, |
| 1780 | hostingNameStr != null ? hostingNameStr : ""); |
| 1781 | |
| 1782 | if (app.persistent) { |
| 1783 | Watchdog.getInstance().processStarted(app, app.processName, pid); |
| 1784 | } |
| 1785 | |
| 1786 | StringBuilder buf = new StringBuilder(128); |
| 1787 | buf.append("Start proc "); |
| 1788 | buf.append(app.processName); |
| 1789 | buf.append(" for "); |
| 1790 | buf.append(hostingType); |
| 1791 | if (hostingNameStr != null) { |
| 1792 | buf.append(" "); |
| 1793 | buf.append(hostingNameStr); |
| 1794 | } |
| 1795 | buf.append(": pid="); |
| 1796 | buf.append(pid); |
| 1797 | buf.append(" uid="); |
| 1798 | buf.append(uid); |
| 1799 | buf.append(" gids={"); |
| 1800 | if (gids != null) { |
| 1801 | for (int gi=0; gi<gids.length; gi++) { |
| 1802 | if (gi != 0) buf.append(", "); |
| 1803 | buf.append(gids[gi]); |
| 1804 | |
| 1805 | } |
| 1806 | } |
| 1807 | buf.append("}"); |
| 1808 | Log.i(TAG, buf.toString()); |
| 1809 | if (pid == 0 || pid == MY_PID) { |
| 1810 | // Processes are being emulated with threads. |
| 1811 | app.pid = MY_PID; |
| 1812 | app.removed = false; |
| 1813 | mStartingProcesses.add(app); |
| 1814 | } else if (pid > 0) { |
| 1815 | app.pid = pid; |
| 1816 | app.removed = false; |
| 1817 | synchronized (mPidsSelfLocked) { |
| 1818 | this.mPidsSelfLocked.put(pid, app); |
| 1819 | Message msg = mHandler.obtainMessage(PROC_START_TIMEOUT_MSG); |
| 1820 | msg.obj = app; |
| 1821 | mHandler.sendMessageDelayed(msg, PROC_START_TIMEOUT); |
| 1822 | } |
| 1823 | } else { |
| 1824 | app.pid = 0; |
| 1825 | RuntimeException e = new RuntimeException( |
| 1826 | "Failure starting process " + app.processName |
| 1827 | + ": returned pid=" + pid); |
| 1828 | Log.e(TAG, e.getMessage(), e); |
| 1829 | } |
| 1830 | } catch (RuntimeException e) { |
| 1831 | // XXX do better error recovery. |
| 1832 | app.pid = 0; |
| 1833 | Log.e(TAG, "Failure starting process " + app.processName, e); |
| 1834 | } |
| 1835 | } |
| 1836 | |
| 1837 | private final void startPausingLocked(boolean userLeaving, boolean uiSleeping) { |
| 1838 | if (mPausingActivity != null) { |
| 1839 | RuntimeException e = new RuntimeException(); |
| 1840 | Log.e(TAG, "Trying to pause when pause is already pending for " |
| 1841 | + mPausingActivity, e); |
| 1842 | } |
| 1843 | HistoryRecord prev = mResumedActivity; |
| 1844 | if (prev == null) { |
| 1845 | RuntimeException e = new RuntimeException(); |
| 1846 | Log.e(TAG, "Trying to pause when nothing is resumed", e); |
| 1847 | resumeTopActivityLocked(null); |
| 1848 | return; |
| 1849 | } |
| 1850 | if (DEBUG_PAUSE) Log.v(TAG, "Start pausing: " + prev); |
| 1851 | mResumedActivity = null; |
| 1852 | mPausingActivity = prev; |
| 1853 | mLastPausedActivity = prev; |
| 1854 | prev.state = ActivityState.PAUSING; |
| 1855 | prev.task.touchActiveTime(); |
| 1856 | |
| 1857 | updateCpuStats(); |
| 1858 | |
| 1859 | if (prev.app != null && prev.app.thread != null) { |
| 1860 | if (DEBUG_PAUSE) Log.v(TAG, "Enqueueing pending pause: " + prev); |
| 1861 | try { |
| 1862 | EventLog.writeEvent(LOG_AM_PAUSE_ACTIVITY, |
| 1863 | System.identityHashCode(prev), |
| 1864 | prev.shortComponentName); |
| 1865 | prev.app.thread.schedulePauseActivity(prev, prev.finishing, userLeaving, |
| 1866 | prev.configChangeFlags); |
| 1867 | updateUsageStats(prev, false); |
| 1868 | } catch (Exception e) { |
| 1869 | // Ignore exception, if process died other code will cleanup. |
| 1870 | Log.w(TAG, "Exception thrown during pause", e); |
| 1871 | mPausingActivity = null; |
| 1872 | mLastPausedActivity = null; |
| 1873 | } |
| 1874 | } else { |
| 1875 | mPausingActivity = null; |
| 1876 | mLastPausedActivity = null; |
| 1877 | } |
| 1878 | |
| 1879 | // If we are not going to sleep, we want to ensure the device is |
| 1880 | // awake until the next activity is started. |
| 1881 | if (!mSleeping) { |
| 1882 | mLaunchingActivity.acquire(); |
| 1883 | if (!mHandler.hasMessages(LAUNCH_TIMEOUT_MSG)) { |
| 1884 | // To be safe, don't allow the wake lock to be held for too long. |
| 1885 | Message msg = mHandler.obtainMessage(LAUNCH_TIMEOUT_MSG); |
| 1886 | mHandler.sendMessageDelayed(msg, LAUNCH_TIMEOUT); |
| 1887 | } |
| 1888 | } |
| 1889 | |
| 1890 | |
| 1891 | if (mPausingActivity != null) { |
| 1892 | // Have the window manager pause its key dispatching until the new |
| 1893 | // activity has started. If we're pausing the activity just because |
| 1894 | // the screen is being turned off and the UI is sleeping, don't interrupt |
| 1895 | // key dispatch; the same activity will pick it up again on wakeup. |
| 1896 | if (!uiSleeping) { |
| 1897 | prev.pauseKeyDispatchingLocked(); |
| 1898 | } else { |
| 1899 | if (DEBUG_PAUSE) Log.v(TAG, "Key dispatch not paused for screen off"); |
| 1900 | } |
| 1901 | |
| 1902 | // Schedule a pause timeout in case the app doesn't respond. |
| 1903 | // We don't give it much time because this directly impacts the |
| 1904 | // responsiveness seen by the user. |
| 1905 | Message msg = mHandler.obtainMessage(PAUSE_TIMEOUT_MSG); |
| 1906 | msg.obj = prev; |
| 1907 | mHandler.sendMessageDelayed(msg, PAUSE_TIMEOUT); |
| 1908 | if (DEBUG_PAUSE) Log.v(TAG, "Waiting for pause to complete..."); |
| 1909 | } else { |
| 1910 | // This activity failed to schedule the |
| 1911 | // pause, so just treat it as being paused now. |
| 1912 | if (DEBUG_PAUSE) Log.v(TAG, "Activity not running, resuming next."); |
| 1913 | resumeTopActivityLocked(null); |
| 1914 | } |
| 1915 | } |
| 1916 | |
| 1917 | private final void completePauseLocked() { |
| 1918 | HistoryRecord prev = mPausingActivity; |
| 1919 | if (DEBUG_PAUSE) Log.v(TAG, "Complete pause: " + prev); |
| 1920 | |
| 1921 | if (prev != null) { |
| 1922 | if (prev.finishing) { |
| 1923 | if (DEBUG_PAUSE) Log.v(TAG, "Executing finish of activity: " + prev); |
| 1924 | prev = finishCurrentActivityLocked(prev, FINISH_AFTER_VISIBLE); |
| 1925 | } else if (prev.app != null) { |
| 1926 | if (DEBUG_PAUSE) Log.v(TAG, "Enqueueing pending stop: " + prev); |
| 1927 | if (prev.waitingVisible) { |
| 1928 | prev.waitingVisible = false; |
| 1929 | mWaitingVisibleActivities.remove(prev); |
| 1930 | if (DEBUG_SWITCH || DEBUG_PAUSE) Log.v( |
| 1931 | TAG, "Complete pause, no longer waiting: " + prev); |
| 1932 | } |
| 1933 | if (prev.configDestroy) { |
| 1934 | // The previous is being paused because the configuration |
| 1935 | // is changing, which means it is actually stopping... |
| 1936 | // To juggle the fact that we are also starting a new |
| 1937 | // instance right now, we need to first completely stop |
| 1938 | // the current instance before starting the new one. |
| 1939 | if (DEBUG_PAUSE) Log.v(TAG, "Destroying after pause: " + prev); |
| 1940 | destroyActivityLocked(prev, true); |
| 1941 | } else { |
| 1942 | mStoppingActivities.add(prev); |
| 1943 | if (mStoppingActivities.size() > 3) { |
| 1944 | // If we already have a few activities waiting to stop, |
| 1945 | // then give up on things going idle and start clearing |
| 1946 | // them out. |
| 1947 | if (DEBUG_PAUSE) Log.v(TAG, "To many pending stops, forcing idle"); |
| 1948 | Message msg = Message.obtain(); |
| 1949 | msg.what = ActivityManagerService.IDLE_NOW_MSG; |
| 1950 | mHandler.sendMessage(msg); |
| 1951 | } |
| 1952 | } |
| 1953 | } else { |
| 1954 | if (DEBUG_PAUSE) Log.v(TAG, "App died during pause, not stopping: " + prev); |
| 1955 | prev = null; |
| 1956 | } |
| 1957 | mPausingActivity = null; |
| 1958 | } |
| 1959 | |
| 1960 | if (!mSleeping) { |
| 1961 | resumeTopActivityLocked(prev); |
| 1962 | } else { |
| 1963 | if (mGoingToSleep.isHeld()) { |
| 1964 | mGoingToSleep.release(); |
| 1965 | } |
| 1966 | } |
| 1967 | |
| 1968 | if (prev != null) { |
| 1969 | prev.resumeKeyDispatchingLocked(); |
| 1970 | } |
| 1971 | } |
| 1972 | |
| 1973 | /** |
| 1974 | * Once we know that we have asked an application to put an activity in |
| 1975 | * the resumed state (either by launching it or explicitly telling it), |
| 1976 | * this function updates the rest of our state to match that fact. |
| 1977 | */ |
| 1978 | private final void completeResumeLocked(HistoryRecord next) { |
| 1979 | next.idle = false; |
| 1980 | next.results = null; |
| 1981 | next.newIntents = null; |
| 1982 | |
| 1983 | // schedule an idle timeout in case the app doesn't do it for us. |
| 1984 | Message msg = mHandler.obtainMessage(IDLE_TIMEOUT_MSG); |
| 1985 | msg.obj = next; |
| 1986 | mHandler.sendMessageDelayed(msg, IDLE_TIMEOUT); |
| 1987 | |
| 1988 | if (false) { |
| 1989 | // The activity was never told to pause, so just keep |
| 1990 | // things going as-is. To maintain our own state, |
| 1991 | // we need to emulate it coming back and saying it is |
| 1992 | // idle. |
| 1993 | msg = mHandler.obtainMessage(IDLE_NOW_MSG); |
| 1994 | msg.obj = next; |
| 1995 | mHandler.sendMessage(msg); |
| 1996 | } |
| 1997 | |
| 1998 | next.thumbnail = null; |
| 1999 | setFocusedActivityLocked(next); |
| 2000 | next.resumeKeyDispatchingLocked(); |
| 2001 | ensureActivitiesVisibleLocked(null, 0); |
| 2002 | mWindowManager.executeAppTransition(); |
| 2003 | } |
| 2004 | |
| 2005 | /** |
| 2006 | * Make sure that all activities that need to be visible (that is, they |
| 2007 | * currently can be seen by the user) actually are. |
| 2008 | */ |
| 2009 | private final void ensureActivitiesVisibleLocked(HistoryRecord top, |
| 2010 | HistoryRecord starting, String onlyThisProcess, int configChanges) { |
| 2011 | if (DEBUG_VISBILITY) Log.v( |
| 2012 | TAG, "ensureActivitiesVisible behind " + top |
| 2013 | + " configChanges=0x" + Integer.toHexString(configChanges)); |
| 2014 | |
| 2015 | // If the top activity is not fullscreen, then we need to |
| 2016 | // make sure any activities under it are now visible. |
| 2017 | final int count = mHistory.size(); |
| 2018 | int i = count-1; |
| 2019 | while (mHistory.get(i) != top) { |
| 2020 | i--; |
| 2021 | } |
| 2022 | HistoryRecord r; |
| 2023 | boolean behindFullscreen = false; |
| 2024 | for (; i>=0; i--) { |
| 2025 | r = (HistoryRecord)mHistory.get(i); |
| 2026 | if (DEBUG_VISBILITY) Log.v( |
| 2027 | TAG, "Make visible? " + r + " finishing=" + r.finishing |
| 2028 | + " state=" + r.state); |
| 2029 | if (r.finishing) { |
| 2030 | continue; |
| 2031 | } |
| 2032 | |
| 2033 | final boolean doThisProcess = onlyThisProcess == null |
| 2034 | || onlyThisProcess.equals(r.processName); |
| 2035 | |
| 2036 | // First: if this is not the current activity being started, make |
| 2037 | // sure it matches the current configuration. |
| 2038 | if (r != starting && doThisProcess) { |
| 2039 | ensureActivityConfigurationLocked(r, 0); |
| 2040 | } |
| 2041 | |
| 2042 | if (r.app == null || r.app.thread == null) { |
| 2043 | if (onlyThisProcess == null |
| 2044 | || onlyThisProcess.equals(r.processName)) { |
| 2045 | // This activity needs to be visible, but isn't even |
| 2046 | // running... get it started, but don't resume it |
| 2047 | // at this point. |
| 2048 | if (DEBUG_VISBILITY) Log.v( |
| 2049 | TAG, "Start and freeze screen for " + r); |
| 2050 | if (r != starting) { |
| 2051 | r.startFreezingScreenLocked(r.app, configChanges); |
| 2052 | } |
| 2053 | if (!r.visible) { |
| 2054 | if (DEBUG_VISBILITY) Log.v( |
| 2055 | TAG, "Starting and making visible: " + r); |
| 2056 | mWindowManager.setAppVisibility(r, true); |
| 2057 | } |
| 2058 | if (r != starting) { |
| 2059 | startSpecificActivityLocked(r, false, false); |
| 2060 | } |
| 2061 | } |
| 2062 | |
| 2063 | } else if (r.visible) { |
| 2064 | // If this activity is already visible, then there is nothing |
| 2065 | // else to do here. |
| 2066 | if (DEBUG_VISBILITY) Log.v( |
| 2067 | TAG, "Skipping: already visible at " + r); |
| 2068 | r.stopFreezingScreenLocked(false); |
| 2069 | |
| 2070 | } else if (onlyThisProcess == null) { |
| 2071 | // This activity is not currently visible, but is running. |
| 2072 | // Tell it to become visible. |
| 2073 | r.visible = true; |
| 2074 | if (r.state != ActivityState.RESUMED && r != starting) { |
| 2075 | // If this activity is paused, tell it |
| 2076 | // to now show its window. |
| 2077 | if (DEBUG_VISBILITY) Log.v( |
| 2078 | TAG, "Making visible and scheduling visibility: " + r); |
| 2079 | try { |
| 2080 | mWindowManager.setAppVisibility(r, true); |
| 2081 | r.app.thread.scheduleWindowVisibility(r, true); |
| 2082 | r.stopFreezingScreenLocked(false); |
| 2083 | } catch (Exception e) { |
| 2084 | // Just skip on any failure; we'll make it |
| 2085 | // visible when it next restarts. |
| 2086 | Log.w(TAG, "Exception thrown making visibile: " |
| 2087 | + r.intent.getComponent(), e); |
| 2088 | } |
| 2089 | } |
| 2090 | } |
| 2091 | |
| 2092 | // Aggregate current change flags. |
| 2093 | configChanges |= r.configChangeFlags; |
| 2094 | |
| 2095 | if (r.fullscreen) { |
| 2096 | // At this point, nothing else needs to be shown |
| 2097 | if (DEBUG_VISBILITY) Log.v( |
| 2098 | TAG, "Stopping: fullscreen at " + r); |
| 2099 | behindFullscreen = true; |
| 2100 | i--; |
| 2101 | break; |
| 2102 | } |
| 2103 | } |
| 2104 | |
| 2105 | // Now for any activities that aren't visible to the user, make |
| 2106 | // sure they no longer are keeping the screen frozen. |
| 2107 | while (i >= 0) { |
| 2108 | r = (HistoryRecord)mHistory.get(i); |
| 2109 | if (DEBUG_VISBILITY) Log.v( |
| 2110 | TAG, "Make invisible? " + r + " finishing=" + r.finishing |
| 2111 | + " state=" + r.state |
| 2112 | + " behindFullscreen=" + behindFullscreen); |
| 2113 | if (!r.finishing) { |
| 2114 | if (behindFullscreen) { |
| 2115 | if (r.visible) { |
| 2116 | if (DEBUG_VISBILITY) Log.v( |
| 2117 | TAG, "Making invisible: " + r); |
| 2118 | r.visible = false; |
| 2119 | try { |
| 2120 | mWindowManager.setAppVisibility(r, false); |
| 2121 | if ((r.state == ActivityState.STOPPING |
| 2122 | || r.state == ActivityState.STOPPED) |
| 2123 | && r.app != null && r.app.thread != null) { |
| 2124 | if (DEBUG_VISBILITY) Log.v( |
| 2125 | TAG, "Scheduling invisibility: " + r); |
| 2126 | r.app.thread.scheduleWindowVisibility(r, false); |
| 2127 | } |
| 2128 | } catch (Exception e) { |
| 2129 | // Just skip on any failure; we'll make it |
| 2130 | // visible when it next restarts. |
| 2131 | Log.w(TAG, "Exception thrown making hidden: " |
| 2132 | + r.intent.getComponent(), e); |
| 2133 | } |
| 2134 | } else { |
| 2135 | if (DEBUG_VISBILITY) Log.v( |
| 2136 | TAG, "Already invisible: " + r); |
| 2137 | } |
| 2138 | } else if (r.fullscreen) { |
| 2139 | if (DEBUG_VISBILITY) Log.v( |
| 2140 | TAG, "Now behindFullscreen: " + r); |
| 2141 | behindFullscreen = true; |
| 2142 | } |
| 2143 | } |
| 2144 | i--; |
| 2145 | } |
| 2146 | } |
| 2147 | |
| 2148 | /** |
| 2149 | * Version of ensureActivitiesVisible that can easily be called anywhere. |
| 2150 | */ |
| 2151 | private final void ensureActivitiesVisibleLocked(HistoryRecord starting, |
| 2152 | int configChanges) { |
| 2153 | HistoryRecord r = topRunningActivityLocked(null); |
| 2154 | if (r != null) { |
| 2155 | ensureActivitiesVisibleLocked(r, starting, null, configChanges); |
| 2156 | } |
| 2157 | } |
| 2158 | |
| 2159 | private void updateUsageStats(HistoryRecord resumedComponent, boolean resumed) { |
| 2160 | if (resumed) { |
| 2161 | mUsageStatsService.noteResumeComponent(resumedComponent.realActivity); |
| 2162 | } else { |
| 2163 | mUsageStatsService.notePauseComponent(resumedComponent.realActivity); |
| 2164 | } |
| 2165 | } |
| 2166 | |
| 2167 | /** |
| 2168 | * Ensure that the top activity in the stack is resumed. |
| 2169 | * |
| 2170 | * @param prev The previously resumed activity, for when in the process |
| 2171 | * of pausing; can be null to call from elsewhere. |
| 2172 | * |
| 2173 | * @return Returns true if something is being resumed, or false if |
| 2174 | * nothing happened. |
| 2175 | */ |
| 2176 | private final boolean resumeTopActivityLocked(HistoryRecord prev) { |
| 2177 | // Find the first activity that is not finishing. |
| 2178 | HistoryRecord next = topRunningActivityLocked(null); |
| 2179 | |
| 2180 | // Remember how we'll process this pause/resume situation, and ensure |
| 2181 | // that the state is reset however we wind up proceeding. |
| 2182 | final boolean userLeaving = mUserLeaving; |
| 2183 | mUserLeaving = false; |
| 2184 | |
| 2185 | if (next == null) { |
| 2186 | // There are no more activities! Let's just start up the |
| 2187 | // Launcher... |
| 2188 | if (mFactoryTest == SystemServer.FACTORY_TEST_LOW_LEVEL |
| 2189 | && mTopAction == null) { |
| 2190 | // We are running in factory test mode, but unable to find |
| 2191 | // the factory test app, so just sit around displaying the |
| 2192 | // error message and don't try to start anything. |
| 2193 | return false; |
| 2194 | } |
| 2195 | Intent intent = new Intent( |
| 2196 | mTopAction, |
| 2197 | mTopData != null ? Uri.parse(mTopData) : null); |
| 2198 | intent.setComponent(mTopComponent); |
| 2199 | if (mFactoryTest != SystemServer.FACTORY_TEST_LOW_LEVEL) { |
| 2200 | intent.addCategory(Intent.CATEGORY_HOME); |
| 2201 | } |
| 2202 | ActivityInfo aInfo = |
| 2203 | intent.resolveActivityInfo(mContext.getPackageManager(), |
| 2204 | PackageManager.GET_SHARED_LIBRARY_FILES); |
| 2205 | if (aInfo != null) { |
| 2206 | intent.setComponent(new ComponentName( |
| 2207 | aInfo.applicationInfo.packageName, aInfo.name)); |
| 2208 | // Don't do this if the home app is currently being |
| 2209 | // instrumented. |
| 2210 | ProcessRecord app = getProcessRecordLocked(aInfo.processName, |
| 2211 | aInfo.applicationInfo.uid); |
| 2212 | if (app == null || app.instrumentationClass == null) { |
| 2213 | intent.setFlags(intent.getFlags() | Intent.FLAG_ACTIVITY_NEW_TASK); |
| 2214 | startActivityLocked(null, intent, null, null, 0, aInfo, |
The Android Open Source Project | 4df2423 | 2009-03-05 14:34:35 -0800 | [diff] [blame] | 2215 | null, null, 0, 0, 0, false, false); |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 2216 | } |
| 2217 | } |
| 2218 | return true; |
| 2219 | } |
| 2220 | |
| 2221 | // If the top activity is the resumed one, nothing to do. |
| 2222 | if (mResumedActivity == next && next.state == ActivityState.RESUMED) { |
| 2223 | // Make sure we have executed any pending transitions, since there |
| 2224 | // should be nothing left to do at this point. |
| 2225 | mWindowManager.executeAppTransition(); |
| 2226 | return false; |
| 2227 | } |
| 2228 | |
| 2229 | // If we are sleeping, and there is no resumed activity, and the top |
| 2230 | // activity is paused, well that is the state we want. |
| 2231 | if (mSleeping && mLastPausedActivity == next && next.state == ActivityState.PAUSED) { |
| 2232 | // Make sure we have executed any pending transitions, since there |
| 2233 | // should be nothing left to do at this point. |
| 2234 | mWindowManager.executeAppTransition(); |
| 2235 | return false; |
| 2236 | } |
| 2237 | |
| 2238 | // The activity may be waiting for stop, but that is no longer |
| 2239 | // appropriate for it. |
| 2240 | mStoppingActivities.remove(next); |
| 2241 | mWaitingVisibleActivities.remove(next); |
| 2242 | |
| 2243 | if (DEBUG_SWITCH) Log.v(TAG, "Resuming " + next); |
| 2244 | |
| 2245 | // If we are currently pausing an activity, then don't do anything |
| 2246 | // until that is done. |
| 2247 | if (mPausingActivity != null) { |
| 2248 | if (DEBUG_SWITCH) Log.v(TAG, "Skip resume: pausing=" + mPausingActivity); |
| 2249 | return false; |
| 2250 | } |
| 2251 | |
| 2252 | // We need to start pausing the current activity so the top one |
| 2253 | // can be resumed... |
| 2254 | if (mResumedActivity != null) { |
| 2255 | if (DEBUG_SWITCH) Log.v(TAG, "Skip resume: need to start pausing"); |
| 2256 | startPausingLocked(userLeaving, false); |
| 2257 | return true; |
| 2258 | } |
| 2259 | |
| 2260 | if (prev != null && prev != next) { |
| 2261 | if (!prev.waitingVisible && next != null && !next.nowVisible) { |
| 2262 | prev.waitingVisible = true; |
| 2263 | mWaitingVisibleActivities.add(prev); |
| 2264 | if (DEBUG_SWITCH) Log.v( |
| 2265 | TAG, "Resuming top, waiting visible to hide: " + prev); |
| 2266 | } else { |
| 2267 | // The next activity is already visible, so hide the previous |
| 2268 | // activity's windows right now so we can show the new one ASAP. |
| 2269 | // We only do this if the previous is finishing, which should mean |
| 2270 | // it is on top of the one being resumed so hiding it quickly |
| 2271 | // is good. Otherwise, we want to do the normal route of allowing |
| 2272 | // the resumed activity to be shown so we can decide if the |
| 2273 | // previous should actually be hidden depending on whether the |
| 2274 | // new one is found to be full-screen or not. |
| 2275 | if (prev.finishing) { |
| 2276 | mWindowManager.setAppVisibility(prev, false); |
| 2277 | if (DEBUG_SWITCH) Log.v(TAG, "Not waiting for visible to hide: " |
| 2278 | + prev + ", waitingVisible=" |
| 2279 | + (prev != null ? prev.waitingVisible : null) |
| 2280 | + ", nowVisible=" + next.nowVisible); |
| 2281 | } else { |
| 2282 | if (DEBUG_SWITCH) Log.v(TAG, "Previous already visible but still waiting to hide: " |
| 2283 | + prev + ", waitingVisible=" |
| 2284 | + (prev != null ? prev.waitingVisible : null) |
| 2285 | + ", nowVisible=" + next.nowVisible); |
| 2286 | } |
| 2287 | } |
| 2288 | } |
| 2289 | |
| 2290 | // We are starting up the next activity, so tell the window manager |
| 2291 | // that the previous one will be hidden soon. This way it can know |
| 2292 | // to ignore it when computing the desired screen orientation. |
| 2293 | if (prev != null) { |
| 2294 | if (prev.finishing) { |
| 2295 | if (DEBUG_TRANSITION) Log.v(TAG, |
| 2296 | "Prepare close transition: prev=" + prev); |
| 2297 | mWindowManager.prepareAppTransition(prev.task == next.task |
| 2298 | ? WindowManagerPolicy.TRANSIT_ACTIVITY_CLOSE |
| 2299 | : WindowManagerPolicy.TRANSIT_TASK_CLOSE); |
| 2300 | mWindowManager.setAppWillBeHidden(prev); |
| 2301 | mWindowManager.setAppVisibility(prev, false); |
| 2302 | } else { |
| 2303 | if (DEBUG_TRANSITION) Log.v(TAG, |
| 2304 | "Prepare open transition: prev=" + prev); |
| 2305 | mWindowManager.prepareAppTransition(prev.task == next.task |
| 2306 | ? WindowManagerPolicy.TRANSIT_ACTIVITY_OPEN |
| 2307 | : WindowManagerPolicy.TRANSIT_TASK_OPEN); |
| 2308 | } |
| 2309 | if (false) { |
| 2310 | mWindowManager.setAppWillBeHidden(prev); |
| 2311 | mWindowManager.setAppVisibility(prev, false); |
| 2312 | } |
| 2313 | } else if (mHistory.size() > 1) { |
| 2314 | if (DEBUG_TRANSITION) Log.v(TAG, |
| 2315 | "Prepare open transition: no previous"); |
| 2316 | mWindowManager.prepareAppTransition(WindowManagerPolicy.TRANSIT_ACTIVITY_OPEN); |
| 2317 | } |
| 2318 | |
| 2319 | if (next.app != null && next.app.thread != null) { |
| 2320 | if (DEBUG_SWITCH) Log.v(TAG, "Resume running: " + next); |
| 2321 | |
| 2322 | // This activity is now becoming visible. |
| 2323 | mWindowManager.setAppVisibility(next, true); |
| 2324 | |
| 2325 | HistoryRecord lastResumedActivity = mResumedActivity; |
| 2326 | ActivityState lastState = next.state; |
| 2327 | |
| 2328 | updateCpuStats(); |
| 2329 | |
| 2330 | next.state = ActivityState.RESUMED; |
| 2331 | mResumedActivity = next; |
| 2332 | next.task.touchActiveTime(); |
| 2333 | updateLRUListLocked(next.app, true); |
| 2334 | updateLRUListLocked(next); |
| 2335 | |
| 2336 | // Have the window manager re-evaluate the orientation of |
| 2337 | // the screen based on the new activity order. |
| 2338 | Configuration config = mWindowManager.updateOrientationFromAppTokens( |
| 2339 | next.mayFreezeScreenLocked(next.app) ? next : null); |
| 2340 | if (config != null) { |
| 2341 | next.frozenBeforeDestroy = true; |
| 2342 | } |
| 2343 | if (!updateConfigurationLocked(config, next)) { |
| 2344 | // The configuration update wasn't able to keep the existing |
| 2345 | // instance of the activity, and instead started a new one. |
| 2346 | // We should be all done, but let's just make sure our activity |
| 2347 | // is still at the top and schedule another run if something |
| 2348 | // weird happened. |
| 2349 | HistoryRecord nextNext = topRunningActivityLocked(null); |
| 2350 | if (DEBUG_SWITCH) Log.i(TAG, |
| 2351 | "Activity config changed during resume: " + next |
| 2352 | + ", new next: " + nextNext); |
| 2353 | if (nextNext != next) { |
| 2354 | // Do over! |
| 2355 | mHandler.sendEmptyMessage(RESUME_TOP_ACTIVITY_MSG); |
| 2356 | } |
| 2357 | mWindowManager.executeAppTransition(); |
| 2358 | return true; |
| 2359 | } |
| 2360 | |
| 2361 | try { |
| 2362 | // Deliver all pending results. |
| 2363 | ArrayList a = next.results; |
| 2364 | if (a != null) { |
| 2365 | final int N = a.size(); |
| 2366 | if (!next.finishing && N > 0) { |
| 2367 | if (localLOGV) Log.v( |
| 2368 | TAG, "Delivering results to " + next |
| 2369 | + ": " + a); |
| 2370 | next.app.thread.scheduleSendResult(next, a); |
| 2371 | } |
| 2372 | } |
| 2373 | |
| 2374 | if (next.newIntents != null) { |
| 2375 | next.app.thread.scheduleNewIntent(next.newIntents, next); |
| 2376 | } |
| 2377 | |
| 2378 | EventLog.writeEvent(LOG_AM_RESUME_ACTIVITY, |
| 2379 | System.identityHashCode(next), |
| 2380 | next.task.taskId, next.shortComponentName); |
| 2381 | updateUsageStats(next, true); |
| 2382 | |
| 2383 | next.app.thread.scheduleResumeActivity(next, |
| 2384 | isNextTransitionForward()); |
| 2385 | pauseIfSleepingLocked(); |
| 2386 | |
| 2387 | } catch (Exception e) { |
| 2388 | // Whoops, need to restart this activity! |
| 2389 | next.state = lastState; |
| 2390 | mResumedActivity = lastResumedActivity; |
| 2391 | if (Config.LOGD) Log.d(TAG, |
| 2392 | "Restarting because process died: " + next); |
| 2393 | if (!next.hasBeenLaunched) { |
| 2394 | next.hasBeenLaunched = true; |
| 2395 | } else { |
| 2396 | if (SHOW_APP_STARTING_ICON) { |
| 2397 | mWindowManager.setAppStartingWindow( |
| 2398 | next, next.packageName, next.theme, |
| 2399 | next.nonLocalizedLabel, |
| 2400 | next.labelRes, next.icon, null, true); |
| 2401 | } |
| 2402 | } |
| 2403 | startSpecificActivityLocked(next, true, false); |
| 2404 | return true; |
| 2405 | } |
| 2406 | |
| 2407 | // From this point on, if something goes wrong there is no way |
| 2408 | // to recover the activity. |
| 2409 | try { |
| 2410 | next.visible = true; |
| 2411 | completeResumeLocked(next); |
| 2412 | } catch (Exception e) { |
| 2413 | // If any exception gets thrown, toss away this |
| 2414 | // activity and try the next one. |
| 2415 | Log.w(TAG, "Exception thrown during resume of " + next, e); |
| 2416 | requestFinishActivityLocked(next, Activity.RESULT_CANCELED, null, |
| 2417 | "resume-exception"); |
| 2418 | return true; |
| 2419 | } |
| 2420 | |
| 2421 | // Didn't need to use the icicle, and it is now out of date. |
| 2422 | next.icicle = null; |
| 2423 | next.haveState = false; |
| 2424 | next.stopped = false; |
| 2425 | |
| 2426 | } else { |
| 2427 | // Whoops, need to restart this activity! |
| 2428 | if (!next.hasBeenLaunched) { |
| 2429 | next.hasBeenLaunched = true; |
| 2430 | } else { |
| 2431 | if (SHOW_APP_STARTING_ICON) { |
| 2432 | mWindowManager.setAppStartingWindow( |
| 2433 | next, next.packageName, next.theme, |
| 2434 | next.nonLocalizedLabel, |
| 2435 | next.labelRes, next.icon, null, true); |
| 2436 | } |
| 2437 | if (DEBUG_SWITCH) Log.v(TAG, "Restarting: " + next); |
| 2438 | } |
| 2439 | startSpecificActivityLocked(next, true, true); |
| 2440 | } |
| 2441 | |
| 2442 | return true; |
| 2443 | } |
| 2444 | |
| 2445 | private final void startActivityLocked(HistoryRecord r, boolean newTask) { |
| 2446 | final int NH = mHistory.size(); |
| 2447 | |
| 2448 | int addPos = -1; |
| 2449 | |
| 2450 | if (!newTask) { |
| 2451 | // If starting in an existing task, find where that is... |
| 2452 | HistoryRecord next = null; |
| 2453 | boolean startIt = true; |
| 2454 | for (int i = NH-1; i >= 0; i--) { |
| 2455 | HistoryRecord p = (HistoryRecord)mHistory.get(i); |
| 2456 | if (p.finishing) { |
| 2457 | continue; |
| 2458 | } |
| 2459 | if (p.task == r.task) { |
| 2460 | // Here it is! Now, if this is not yet visible to the |
| 2461 | // user, then just add it without starting; it will |
| 2462 | // get started when the user navigates back to it. |
| 2463 | addPos = i+1; |
| 2464 | if (!startIt) { |
| 2465 | mHistory.add(addPos, r); |
| 2466 | r.inHistory = true; |
| 2467 | r.task.numActivities++; |
| 2468 | mWindowManager.addAppToken(addPos, r, r.task.taskId, |
| 2469 | r.info.screenOrientation, r.fullscreen); |
| 2470 | if (VALIDATE_TOKENS) { |
| 2471 | mWindowManager.validateAppTokens(mHistory); |
| 2472 | } |
| 2473 | return; |
| 2474 | } |
| 2475 | break; |
| 2476 | } |
| 2477 | if (p.fullscreen) { |
| 2478 | startIt = false; |
| 2479 | } |
| 2480 | next = p; |
| 2481 | } |
| 2482 | } |
| 2483 | |
| 2484 | // Place a new activity at top of stack, so it is next to interact |
| 2485 | // with the user. |
| 2486 | if (addPos < 0) { |
| 2487 | addPos = mHistory.size(); |
| 2488 | } |
| 2489 | |
| 2490 | // If we are not placing the new activity frontmost, we do not want |
| 2491 | // to deliver the onUserLeaving callback to the actual frontmost |
| 2492 | // activity |
| 2493 | if (addPos < NH) { |
| 2494 | mUserLeaving = false; |
| 2495 | if (DEBUG_USER_LEAVING) Log.v(TAG, "startActivity() behind front, mUserLeaving=false"); |
| 2496 | } |
| 2497 | |
| 2498 | // Slot the activity into the history stack and proceed |
| 2499 | mHistory.add(addPos, r); |
| 2500 | r.inHistory = true; |
| 2501 | r.frontOfTask = newTask; |
| 2502 | r.task.numActivities++; |
| 2503 | if (NH > 0) { |
| 2504 | // We want to show the starting preview window if we are |
| 2505 | // switching to a new task, or the next activity's process is |
| 2506 | // not currently running. |
| 2507 | boolean showStartingIcon = newTask; |
| 2508 | ProcessRecord proc = r.app; |
| 2509 | if (proc == null) { |
| 2510 | proc = mProcessNames.get(r.processName, r.info.applicationInfo.uid); |
| 2511 | } |
| 2512 | if (proc == null || proc.thread == null) { |
| 2513 | showStartingIcon = true; |
| 2514 | } |
| 2515 | if (DEBUG_TRANSITION) Log.v(TAG, |
| 2516 | "Prepare open transition: starting " + r); |
| 2517 | mWindowManager.prepareAppTransition(newTask |
| 2518 | ? WindowManagerPolicy.TRANSIT_TASK_OPEN |
| 2519 | : WindowManagerPolicy.TRANSIT_ACTIVITY_OPEN); |
| 2520 | mWindowManager.addAppToken( |
| 2521 | addPos, r, r.task.taskId, r.info.screenOrientation, r.fullscreen); |
| 2522 | boolean doShow = true; |
| 2523 | if (newTask) { |
| 2524 | // Even though this activity is starting fresh, we still need |
| 2525 | // to reset it to make sure we apply affinities to move any |
| 2526 | // existing activities from other tasks in to it. |
| 2527 | // If the caller has requested that the target task be |
| 2528 | // reset, then do so. |
| 2529 | if ((r.intent.getFlags() |
| 2530 | &Intent.FLAG_ACTIVITY_RESET_TASK_IF_NEEDED) != 0) { |
| 2531 | resetTaskIfNeededLocked(r, r); |
| 2532 | doShow = topRunningActivityLocked(null) == r; |
| 2533 | } |
| 2534 | } |
| 2535 | if (SHOW_APP_STARTING_ICON && doShow) { |
| 2536 | // Figure out if we are transitioning from another activity that is |
| 2537 | // "has the same starting icon" as the next one. This allows the |
| 2538 | // window manager to keep the previous window it had previously |
| 2539 | // created, if it still had one. |
| 2540 | HistoryRecord prev = mResumedActivity; |
| 2541 | if (prev != null) { |
| 2542 | // We don't want to reuse the previous starting preview if: |
| 2543 | // (1) The current activity is in a different task. |
| 2544 | if (prev.task != r.task) prev = null; |
| 2545 | // (2) The current activity is already displayed. |
| 2546 | else if (prev.nowVisible) prev = null; |
| 2547 | } |
| 2548 | mWindowManager.setAppStartingWindow( |
| 2549 | r, r.packageName, r.theme, r.nonLocalizedLabel, |
| 2550 | r.labelRes, r.icon, prev, showStartingIcon); |
| 2551 | } |
| 2552 | } else { |
| 2553 | // If this is the first activity, don't do any fancy animations, |
| 2554 | // because there is nothing for it to animate on top of. |
| 2555 | mWindowManager.addAppToken(addPos, r, r.task.taskId, |
| 2556 | r.info.screenOrientation, r.fullscreen); |
| 2557 | } |
| 2558 | if (VALIDATE_TOKENS) { |
| 2559 | mWindowManager.validateAppTokens(mHistory); |
| 2560 | } |
| 2561 | |
| 2562 | resumeTopActivityLocked(null); |
| 2563 | } |
| 2564 | |
| 2565 | /** |
| 2566 | * Perform clear operation as requested by |
| 2567 | * {@link Intent#FLAG_ACTIVITY_CLEAR_TOP}: assuming the top task on the |
| 2568 | * stack is the one that the new activity is being launched in, look for |
| 2569 | * an instance of that activity in the stack and, if found, finish all |
| 2570 | * activities on top of it and return the instance. |
| 2571 | * |
| 2572 | * @param newR Description of the new activity being started. |
| 2573 | * @return Returns the old activity that should be continue to be used, |
| 2574 | * or null if none was found. |
| 2575 | */ |
| 2576 | private final HistoryRecord performClearTopTaskLocked(int taskId, |
| 2577 | HistoryRecord newR, boolean doClear) { |
| 2578 | int i = mHistory.size(); |
| 2579 | while (i > 0) { |
| 2580 | i--; |
| 2581 | HistoryRecord r = (HistoryRecord)mHistory.get(i); |
| 2582 | if (r.finishing) { |
| 2583 | continue; |
| 2584 | } |
| 2585 | if (r.task.taskId != taskId) { |
| 2586 | return null; |
| 2587 | } |
| 2588 | if (r.realActivity.equals(newR.realActivity)) { |
| 2589 | // Here it is! Now finish everything in front... |
| 2590 | HistoryRecord ret = r; |
| 2591 | if (doClear) { |
| 2592 | while (i < (mHistory.size()-1)) { |
| 2593 | i++; |
| 2594 | r = (HistoryRecord)mHistory.get(i); |
| 2595 | if (r.finishing) { |
| 2596 | continue; |
| 2597 | } |
| 2598 | if (finishActivityLocked(r, i, Activity.RESULT_CANCELED, |
| 2599 | null, "clear")) { |
| 2600 | i--; |
| 2601 | } |
| 2602 | } |
| 2603 | } |
| 2604 | |
| 2605 | // Finally, if this is a normal launch mode (that is, not |
| 2606 | // expecting onNewIntent()), then we will finish the current |
| 2607 | // instance of the activity so a new fresh one can be started. |
| 2608 | if (ret.launchMode == ActivityInfo.LAUNCH_MULTIPLE) { |
| 2609 | if (!ret.finishing) { |
| 2610 | int index = indexOfTokenLocked(ret, false); |
| 2611 | if (index >= 0) { |
| 2612 | finishActivityLocked(ret, 0, Activity.RESULT_CANCELED, |
| 2613 | null, "clear"); |
| 2614 | } |
| 2615 | return null; |
| 2616 | } |
| 2617 | } |
| 2618 | |
| 2619 | return ret; |
| 2620 | } |
| 2621 | } |
| 2622 | |
| 2623 | return null; |
| 2624 | } |
| 2625 | |
| 2626 | /** |
| 2627 | * Find the activity in the history stack within the given task. Returns |
| 2628 | * the index within the history at which it's found, or < 0 if not found. |
| 2629 | */ |
| 2630 | private final int findActivityInHistoryLocked(HistoryRecord r, int task) { |
| 2631 | int i = mHistory.size(); |
| 2632 | while (i > 0) { |
| 2633 | i--; |
| 2634 | HistoryRecord candidate = (HistoryRecord)mHistory.get(i); |
| 2635 | if (candidate.task.taskId != task) { |
| 2636 | break; |
| 2637 | } |
| 2638 | if (candidate.realActivity.equals(r.realActivity)) { |
| 2639 | return i; |
| 2640 | } |
| 2641 | } |
| 2642 | |
| 2643 | return -1; |
| 2644 | } |
| 2645 | |
| 2646 | /** |
| 2647 | * Reorder the history stack so that the activity at the given index is |
| 2648 | * brought to the front. |
| 2649 | */ |
| 2650 | private final HistoryRecord moveActivityToFrontLocked(int where) { |
| 2651 | HistoryRecord newTop = (HistoryRecord)mHistory.remove(where); |
| 2652 | int top = mHistory.size(); |
| 2653 | HistoryRecord oldTop = (HistoryRecord)mHistory.get(top-1); |
| 2654 | mHistory.add(top, newTop); |
| 2655 | oldTop.frontOfTask = false; |
| 2656 | newTop.frontOfTask = true; |
| 2657 | return newTop; |
| 2658 | } |
| 2659 | |
| 2660 | /** |
| 2661 | * Deliver a new Intent to an existing activity, so that its onNewIntent() |
| 2662 | * method will be called at the proper time. |
| 2663 | */ |
| 2664 | private final void deliverNewIntentLocked(HistoryRecord r, Intent intent) { |
| 2665 | boolean sent = false; |
| 2666 | if (r.state == ActivityState.RESUMED |
| 2667 | && r.app != null && r.app.thread != null) { |
| 2668 | try { |
| 2669 | ArrayList<Intent> ar = new ArrayList<Intent>(); |
| 2670 | ar.add(new Intent(intent)); |
| 2671 | r.app.thread.scheduleNewIntent(ar, r); |
| 2672 | sent = true; |
| 2673 | } catch (Exception e) { |
| 2674 | Log.w(TAG, "Exception thrown sending new intent to " + r, e); |
| 2675 | } |
| 2676 | } |
| 2677 | if (!sent) { |
| 2678 | r.addNewIntentLocked(new Intent(intent)); |
| 2679 | } |
| 2680 | } |
| 2681 | |
| 2682 | private final void logStartActivity(int tag, HistoryRecord r, |
| 2683 | TaskRecord task) { |
| 2684 | EventLog.writeEvent(tag, |
| 2685 | System.identityHashCode(r), task.taskId, |
| 2686 | r.shortComponentName, r.intent.getAction(), |
| 2687 | r.intent.getType(), r.intent.getDataString(), |
| 2688 | r.intent.getFlags()); |
| 2689 | } |
| 2690 | |
| 2691 | private final int startActivityLocked(IApplicationThread caller, |
| 2692 | Intent intent, String resolvedType, |
| 2693 | Uri[] grantedUriPermissions, |
| 2694 | int grantedMode, ActivityInfo aInfo, IBinder resultTo, |
| 2695 | String resultWho, int requestCode, |
The Android Open Source Project | 4df2423 | 2009-03-05 14:34:35 -0800 | [diff] [blame] | 2696 | int callingPid, int callingUid, boolean onlyIfNeeded, |
| 2697 | boolean componentSpecified) { |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 2698 | Log.i(TAG, "Starting activity: " + intent); |
| 2699 | |
| 2700 | HistoryRecord sourceRecord = null; |
| 2701 | HistoryRecord resultRecord = null; |
| 2702 | if (resultTo != null) { |
| 2703 | int index = indexOfTokenLocked(resultTo, false); |
| 2704 | if (localLOGV) Log.v( |
| 2705 | TAG, "Sending result to " + resultTo + " (index " + index + ")"); |
| 2706 | if (index >= 0) { |
| 2707 | sourceRecord = (HistoryRecord)mHistory.get(index); |
| 2708 | if (requestCode >= 0 && !sourceRecord.finishing) { |
| 2709 | resultRecord = sourceRecord; |
| 2710 | } |
| 2711 | } |
| 2712 | } |
| 2713 | |
| 2714 | int launchFlags = intent.getFlags(); |
| 2715 | |
| 2716 | if ((launchFlags&Intent.FLAG_ACTIVITY_FORWARD_RESULT) != 0 |
| 2717 | && sourceRecord != null) { |
| 2718 | // Transfer the result target from the source activity to the new |
| 2719 | // one being started, including any failures. |
| 2720 | if (requestCode >= 0) { |
| 2721 | return START_FORWARD_AND_REQUEST_CONFLICT; |
| 2722 | } |
| 2723 | resultRecord = sourceRecord.resultTo; |
| 2724 | resultWho = sourceRecord.resultWho; |
| 2725 | requestCode = sourceRecord.requestCode; |
| 2726 | sourceRecord.resultTo = null; |
| 2727 | if (resultRecord != null) { |
| 2728 | resultRecord.removeResultsLocked( |
| 2729 | sourceRecord, resultWho, requestCode); |
| 2730 | } |
| 2731 | } |
| 2732 | |
| 2733 | int err = START_SUCCESS; |
| 2734 | |
| 2735 | if (intent.getComponent() == null) { |
| 2736 | // We couldn't find a class that can handle the given Intent. |
| 2737 | // That's the end of that! |
| 2738 | err = START_INTENT_NOT_RESOLVED; |
| 2739 | } |
| 2740 | |
| 2741 | if (err == START_SUCCESS && aInfo == null) { |
| 2742 | // We couldn't find the specific class specified in the Intent. |
| 2743 | // Also the end of the line. |
| 2744 | err = START_CLASS_NOT_FOUND; |
| 2745 | } |
| 2746 | |
| 2747 | ProcessRecord callerApp = null; |
| 2748 | if (err == START_SUCCESS && caller != null) { |
| 2749 | callerApp = getRecordForAppLocked(caller); |
| 2750 | if (callerApp != null) { |
| 2751 | callingPid = callerApp.pid; |
| 2752 | callingUid = callerApp.info.uid; |
| 2753 | } else { |
| 2754 | Log.w(TAG, "Unable to find app for caller " + caller |
| 2755 | + " (pid=" + callingPid + ") when starting: " |
| 2756 | + intent.toString()); |
| 2757 | err = START_PERMISSION_DENIED; |
| 2758 | } |
| 2759 | } |
| 2760 | |
| 2761 | if (err != START_SUCCESS) { |
| 2762 | if (resultRecord != null) { |
| 2763 | sendActivityResultLocked(-1, |
| 2764 | resultRecord, resultWho, requestCode, |
| 2765 | Activity.RESULT_CANCELED, null); |
| 2766 | } |
| 2767 | return err; |
| 2768 | } |
| 2769 | |
| 2770 | final int perm = checkComponentPermission(aInfo.permission, callingPid, |
| 2771 | callingUid, aInfo.exported ? -1 : aInfo.applicationInfo.uid); |
| 2772 | if (perm != PackageManager.PERMISSION_GRANTED) { |
| 2773 | if (resultRecord != null) { |
| 2774 | sendActivityResultLocked(-1, |
| 2775 | resultRecord, resultWho, requestCode, |
| 2776 | Activity.RESULT_CANCELED, null); |
| 2777 | } |
| 2778 | String msg = "Permission Denial: starting " + intent.toString() |
| 2779 | + " from " + callerApp + " (pid=" + callingPid |
| 2780 | + ", uid=" + callingUid + ")" |
| 2781 | + " requires " + aInfo.permission; |
| 2782 | Log.w(TAG, msg); |
| 2783 | throw new SecurityException(msg); |
| 2784 | } |
| 2785 | |
| 2786 | if (mWatcher != null) { |
| 2787 | boolean abort = false; |
| 2788 | try { |
| 2789 | // The Intent we give to the watcher has the extra data |
| 2790 | // stripped off, since it can contain private information. |
| 2791 | Intent watchIntent = intent.cloneFilter(); |
| 2792 | abort = !mWatcher.activityStarting(watchIntent, |
| 2793 | aInfo.applicationInfo.packageName); |
| 2794 | } catch (RemoteException e) { |
| 2795 | mWatcher = null; |
| 2796 | } |
| 2797 | |
| 2798 | if (abort) { |
| 2799 | if (resultRecord != null) { |
| 2800 | sendActivityResultLocked(-1, |
| 2801 | resultRecord, resultWho, requestCode, |
| 2802 | Activity.RESULT_CANCELED, null); |
| 2803 | } |
| 2804 | // We pretend to the caller that it was really started, but |
| 2805 | // they will just get a cancel result. |
| 2806 | return START_SUCCESS; |
| 2807 | } |
| 2808 | } |
| 2809 | |
| 2810 | HistoryRecord r = new HistoryRecord(this, callerApp, callingUid, |
| 2811 | intent, resolvedType, aInfo, mConfiguration, |
The Android Open Source Project | 4df2423 | 2009-03-05 14:34:35 -0800 | [diff] [blame] | 2812 | resultRecord, resultWho, requestCode, componentSpecified); |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 2813 | r.startTime = SystemClock.uptimeMillis(); |
| 2814 | |
| 2815 | HistoryRecord notTop = (launchFlags&Intent.FLAG_ACTIVITY_PREVIOUS_IS_TOP) |
| 2816 | != 0 ? r : null; |
| 2817 | |
| 2818 | // We'll invoke onUserLeaving before onPause only if the launching |
| 2819 | // activity did not explicitly state that this is an automated launch. |
| 2820 | mUserLeaving = (launchFlags&Intent.FLAG_ACTIVITY_NO_USER_ACTION) == 0; |
| 2821 | if (DEBUG_USER_LEAVING) Log.v(TAG, |
| 2822 | "startActivity() => mUserLeaving=" + mUserLeaving); |
| 2823 | |
| 2824 | // If the onlyIfNeeded flag is set, then we can do this if the activity |
| 2825 | // being launched is the same as the one making the call... or, as |
| 2826 | // a special case, if we do not know the caller then we count the |
| 2827 | // current top activity as the caller. |
| 2828 | if (onlyIfNeeded) { |
| 2829 | HistoryRecord checkedCaller = sourceRecord; |
| 2830 | if (checkedCaller == null) { |
| 2831 | checkedCaller = topRunningActivityLocked(notTop); |
| 2832 | } |
| 2833 | if (!checkedCaller.realActivity.equals(r.realActivity)) { |
| 2834 | // Caller is not the same as launcher, so always needed. |
| 2835 | onlyIfNeeded = false; |
| 2836 | } |
| 2837 | } |
| 2838 | |
| 2839 | if (grantedUriPermissions != null && callingUid > 0) { |
| 2840 | for (int i=0; i<grantedUriPermissions.length; i++) { |
| 2841 | grantUriPermissionLocked(callingUid, r.packageName, |
| 2842 | grantedUriPermissions[i], grantedMode, r); |
| 2843 | } |
| 2844 | } |
| 2845 | |
| 2846 | grantUriPermissionFromIntentLocked(callingUid, r.packageName, |
| 2847 | intent, r); |
| 2848 | |
| 2849 | if (sourceRecord == null) { |
| 2850 | // This activity is not being started from another... in this |
| 2851 | // case we -always- start a new task. |
| 2852 | if ((launchFlags&Intent.FLAG_ACTIVITY_NEW_TASK) == 0) { |
| 2853 | Log.w(TAG, "startActivity called from non-Activity context; forcing Intent.FLAG_ACTIVITY_NEW_TASK for: " |
| 2854 | + intent); |
| 2855 | launchFlags |= Intent.FLAG_ACTIVITY_NEW_TASK; |
| 2856 | } |
| 2857 | } else if (sourceRecord.launchMode == ActivityInfo.LAUNCH_SINGLE_INSTANCE) { |
| 2858 | // The original activity who is starting us is running as a single |
| 2859 | // instance... this new activity it is starting must go on its |
| 2860 | // own task. |
| 2861 | launchFlags |= Intent.FLAG_ACTIVITY_NEW_TASK; |
| 2862 | } else if (r.launchMode == ActivityInfo.LAUNCH_SINGLE_INSTANCE |
| 2863 | || r.launchMode == ActivityInfo.LAUNCH_SINGLE_TASK) { |
| 2864 | // The activity being started is a single instance... it always |
| 2865 | // gets launched into its own task. |
| 2866 | launchFlags |= Intent.FLAG_ACTIVITY_NEW_TASK; |
| 2867 | } |
| 2868 | |
| 2869 | if (resultRecord != null && (launchFlags&Intent.FLAG_ACTIVITY_NEW_TASK) != 0) { |
| 2870 | // For whatever reason this activity is being launched into a new |
| 2871 | // task... yet the caller has requested a result back. Well, that |
| 2872 | // is pretty messed up, so instead immediately send back a cancel |
| 2873 | // and let the new task continue launched as normal without a |
| 2874 | // dependency on its originator. |
| 2875 | Log.w(TAG, "Activity is launching as a new task, so cancelling activity result."); |
| 2876 | sendActivityResultLocked(-1, |
| 2877 | resultRecord, resultWho, requestCode, |
| 2878 | Activity.RESULT_CANCELED, null); |
| 2879 | r.resultTo = null; |
| 2880 | resultRecord = null; |
| 2881 | } |
| 2882 | |
| 2883 | boolean addingToTask = false; |
| 2884 | if (((launchFlags&Intent.FLAG_ACTIVITY_NEW_TASK) != 0 && |
| 2885 | (launchFlags&Intent.FLAG_ACTIVITY_MULTIPLE_TASK) == 0) |
| 2886 | || r.launchMode == ActivityInfo.LAUNCH_SINGLE_TASK |
| 2887 | || r.launchMode == ActivityInfo.LAUNCH_SINGLE_INSTANCE) { |
| 2888 | // If bring to front is requested, and no result is requested, and |
| 2889 | // we can find a task that was started with this same |
| 2890 | // component, then instead of launching bring that one to the front. |
| 2891 | if (resultRecord == null) { |
| 2892 | // See if there is a task to bring to the front. If this is |
| 2893 | // a SINGLE_INSTANCE activity, there can be one and only one |
| 2894 | // instance of it in the history, and it is always in its own |
| 2895 | // unique task, so we do a special search. |
| 2896 | HistoryRecord taskTop = r.launchMode != ActivityInfo.LAUNCH_SINGLE_INSTANCE |
| 2897 | ? findTaskLocked(intent, r.info) |
| 2898 | : findActivityLocked(intent, r.info); |
| 2899 | if (taskTop != null) { |
| 2900 | if (taskTop.task.intent == null) { |
| 2901 | // This task was started because of movement of |
| 2902 | // the activity based on affinity... now that we |
| 2903 | // are actually launching it, we can assign the |
| 2904 | // base intent. |
| 2905 | taskTop.task.setIntent(intent, r.info); |
| 2906 | } |
| 2907 | // If the target task is not in the front, then we need |
| 2908 | // to bring it to the front... except... well, with |
| 2909 | // SINGLE_TASK_LAUNCH it's not entirely clear. We'd like |
| 2910 | // to have the same behavior as if a new instance was |
| 2911 | // being started, which means not bringing it to the front |
| 2912 | // if the caller is not itself in the front. |
| 2913 | HistoryRecord curTop = topRunningActivityLocked(notTop); |
| 2914 | if (curTop.task != taskTop.task) { |
| 2915 | r.intent.addFlags(Intent.FLAG_ACTIVITY_BROUGHT_TO_FRONT); |
| 2916 | boolean callerAtFront = sourceRecord == null |
| 2917 | || curTop.task == sourceRecord.task; |
| 2918 | if (callerAtFront) { |
| 2919 | // We really do want to push this one into the |
| 2920 | // user's face, right now. |
| 2921 | moveTaskToFrontLocked(taskTop.task); |
| 2922 | } |
| 2923 | } |
| 2924 | // If the caller has requested that the target task be |
| 2925 | // reset, then do so. |
| 2926 | if ((launchFlags&Intent.FLAG_ACTIVITY_RESET_TASK_IF_NEEDED) != 0) { |
| 2927 | taskTop = resetTaskIfNeededLocked(taskTop, r); |
| 2928 | } |
| 2929 | if (onlyIfNeeded) { |
| 2930 | // We don't need to start a new activity, and |
| 2931 | // the client said not to do anything if that |
| 2932 | // is the case, so this is it! And for paranoia, make |
| 2933 | // sure we have correctly resumed the top activity. |
| 2934 | resumeTopActivityLocked(null); |
| 2935 | return START_RETURN_INTENT_TO_CALLER; |
| 2936 | } |
| 2937 | if ((launchFlags&Intent.FLAG_ACTIVITY_CLEAR_TOP) != 0 |
| 2938 | || r.launchMode == ActivityInfo.LAUNCH_SINGLE_TASK |
| 2939 | || r.launchMode == ActivityInfo.LAUNCH_SINGLE_INSTANCE) { |
| 2940 | // In this situation we want to remove all activities |
| 2941 | // from the task up to the one being started. In most |
| 2942 | // cases this means we are resetting the task to its |
| 2943 | // initial state. |
| 2944 | HistoryRecord top = performClearTopTaskLocked( |
| 2945 | taskTop.task.taskId, r, true); |
| 2946 | if (top != null) { |
| 2947 | if (top.frontOfTask) { |
| 2948 | // Activity aliases may mean we use different |
| 2949 | // intents for the top activity, so make sure |
| 2950 | // the task now has the identity of the new |
| 2951 | // intent. |
| 2952 | top.task.setIntent(r.intent, r.info); |
| 2953 | } |
| 2954 | logStartActivity(LOG_AM_NEW_INTENT, r, top.task); |
| 2955 | deliverNewIntentLocked(top, r.intent); |
| 2956 | } else { |
| 2957 | // A special case: we need to |
| 2958 | // start the activity because it is not currently |
| 2959 | // running, and the caller has asked to clear the |
| 2960 | // current task to have this activity at the top. |
| 2961 | addingToTask = true; |
| 2962 | // Now pretend like this activity is being started |
| 2963 | // by the top of its task, so it is put in the |
| 2964 | // right place. |
| 2965 | sourceRecord = taskTop; |
| 2966 | } |
| 2967 | } else if (r.realActivity.equals(taskTop.task.realActivity)) { |
| 2968 | // In this case the top activity on the task is the |
| 2969 | // same as the one being launched, so we take that |
| 2970 | // as a request to bring the task to the foreground. |
| 2971 | // If the top activity in the task is the root |
| 2972 | // activity, deliver this new intent to it if it |
| 2973 | // desires. |
| 2974 | if ((launchFlags&Intent.FLAG_ACTIVITY_SINGLE_TOP) != 0 |
| 2975 | && taskTop.realActivity.equals(r.realActivity)) { |
| 2976 | logStartActivity(LOG_AM_NEW_INTENT, r, taskTop.task); |
| 2977 | if (taskTop.frontOfTask) { |
| 2978 | taskTop.task.setIntent(r.intent, r.info); |
| 2979 | } |
| 2980 | deliverNewIntentLocked(taskTop, r.intent); |
| 2981 | } else if (!r.intent.filterEquals(taskTop.task.intent)) { |
| 2982 | // In this case we are launching the root activity |
| 2983 | // of the task, but with a different intent. We |
| 2984 | // should start a new instance on top. |
| 2985 | addingToTask = true; |
| 2986 | sourceRecord = taskTop; |
| 2987 | } |
| 2988 | } else if ((launchFlags&Intent.FLAG_ACTIVITY_RESET_TASK_IF_NEEDED) == 0) { |
| 2989 | // In this case an activity is being launched in to an |
| 2990 | // existing task, without resetting that task. This |
| 2991 | // is typically the situation of launching an activity |
| 2992 | // from a notification or shortcut. We want to place |
| 2993 | // the new activity on top of the current task. |
| 2994 | addingToTask = true; |
| 2995 | sourceRecord = taskTop; |
| 2996 | } else if (!taskTop.task.rootWasReset) { |
| 2997 | // In this case we are launching in to an existing task |
| 2998 | // that has not yet been started from its front door. |
| 2999 | // The current task has been brought to the front. |
| 3000 | // Ideally, we'd probably like to place this new task |
| 3001 | // at the bottom of its stack, but that's a little hard |
| 3002 | // to do with the current organization of the code so |
| 3003 | // for now we'll just drop it. |
| 3004 | taskTop.task.setIntent(r.intent, r.info); |
| 3005 | } |
| 3006 | if (!addingToTask) { |
| 3007 | // We didn't do anything... but it was needed (a.k.a., client |
| 3008 | // don't use that intent!) And for paranoia, make |
| 3009 | // sure we have correctly resumed the top activity. |
| 3010 | resumeTopActivityLocked(null); |
| 3011 | return START_TASK_TO_FRONT; |
| 3012 | } |
| 3013 | } |
| 3014 | } |
| 3015 | } |
| 3016 | |
| 3017 | //String uri = r.intent.toURI(); |
| 3018 | //Intent intent2 = new Intent(uri); |
| 3019 | //Log.i(TAG, "Given intent: " + r.intent); |
| 3020 | //Log.i(TAG, "URI is: " + uri); |
| 3021 | //Log.i(TAG, "To intent: " + intent2); |
| 3022 | |
| 3023 | if (r.packageName != null) { |
| 3024 | // If the activity being launched is the same as the one currently |
| 3025 | // at the top, then we need to check if it should only be launched |
| 3026 | // once. |
| 3027 | HistoryRecord top = topRunningActivityLocked(notTop); |
| 3028 | if (top != null && resultRecord == null) { |
| 3029 | if (top.realActivity.equals(r.realActivity)) { |
| 3030 | if (top.app != null && top.app.thread != null) { |
| 3031 | if ((launchFlags&Intent.FLAG_ACTIVITY_SINGLE_TOP) != 0 |
| 3032 | || r.launchMode == ActivityInfo.LAUNCH_SINGLE_TOP |
| 3033 | || r.launchMode == ActivityInfo.LAUNCH_SINGLE_TASK) { |
| 3034 | logStartActivity(LOG_AM_NEW_INTENT, top, top.task); |
| 3035 | // For paranoia, make sure we have correctly |
| 3036 | // resumed the top activity. |
| 3037 | resumeTopActivityLocked(null); |
| 3038 | if (onlyIfNeeded) { |
| 3039 | // We don't need to start a new activity, and |
| 3040 | // the client said not to do anything if that |
| 3041 | // is the case, so this is it! |
| 3042 | return START_RETURN_INTENT_TO_CALLER; |
| 3043 | } |
| 3044 | deliverNewIntentLocked(top, r.intent); |
| 3045 | return START_DELIVERED_TO_TOP; |
| 3046 | } |
| 3047 | } |
| 3048 | } |
| 3049 | } |
| 3050 | |
| 3051 | } else { |
| 3052 | if (resultRecord != null) { |
| 3053 | sendActivityResultLocked(-1, |
| 3054 | resultRecord, resultWho, requestCode, |
| 3055 | Activity.RESULT_CANCELED, null); |
| 3056 | } |
| 3057 | return START_CLASS_NOT_FOUND; |
| 3058 | } |
| 3059 | |
| 3060 | boolean newTask = false; |
| 3061 | |
| 3062 | // Should this be considered a new task? |
| 3063 | if (resultRecord == null && !addingToTask |
| 3064 | && (launchFlags&Intent.FLAG_ACTIVITY_NEW_TASK) != 0) { |
| 3065 | // todo: should do better management of integers. |
| 3066 | mCurTask++; |
| 3067 | if (mCurTask <= 0) { |
| 3068 | mCurTask = 1; |
| 3069 | } |
| 3070 | r.task = new TaskRecord(mCurTask, r.info, intent, |
| 3071 | (r.info.flags&ActivityInfo.FLAG_CLEAR_TASK_ON_LAUNCH) != 0); |
| 3072 | if (DEBUG_TASKS) Log.v(TAG, "Starting new activity " + r |
| 3073 | + " in new task " + r.task); |
| 3074 | newTask = true; |
| 3075 | addRecentTask(r.task); |
| 3076 | |
| 3077 | } else if (sourceRecord != null) { |
| 3078 | if (!addingToTask && |
| 3079 | (launchFlags&Intent.FLAG_ACTIVITY_CLEAR_TOP) != 0) { |
| 3080 | // In this case, we are adding the activity to an existing |
| 3081 | // task, but the caller has asked to clear that task if the |
| 3082 | // activity is already running. |
| 3083 | HistoryRecord top = performClearTopTaskLocked( |
| 3084 | sourceRecord.task.taskId, r, true); |
| 3085 | if (top != null) { |
| 3086 | logStartActivity(LOG_AM_NEW_INTENT, r, top.task); |
| 3087 | deliverNewIntentLocked(top, r.intent); |
| 3088 | // For paranoia, make sure we have correctly |
| 3089 | // resumed the top activity. |
| 3090 | resumeTopActivityLocked(null); |
| 3091 | return START_DELIVERED_TO_TOP; |
| 3092 | } |
| 3093 | } else if (!addingToTask && |
| 3094 | (launchFlags&Intent.FLAG_ACTIVITY_REORDER_TO_FRONT) != 0) { |
| 3095 | // In this case, we are launching an activity in our own task |
| 3096 | // that may already be running somewhere in the history, and |
| 3097 | // we want to shuffle it to the front of the stack if so. |
| 3098 | int where = findActivityInHistoryLocked(r, sourceRecord.task.taskId); |
| 3099 | if (where >= 0) { |
| 3100 | HistoryRecord top = moveActivityToFrontLocked(where); |
| 3101 | logStartActivity(LOG_AM_NEW_INTENT, r, top.task); |
| 3102 | deliverNewIntentLocked(top, r.intent); |
| 3103 | resumeTopActivityLocked(null); |
| 3104 | return START_DELIVERED_TO_TOP; |
| 3105 | } |
| 3106 | } |
| 3107 | // An existing activity is starting this new activity, so we want |
| 3108 | // to keep the new one in the same task as the one that is starting |
| 3109 | // it. |
| 3110 | r.task = sourceRecord.task; |
| 3111 | if (DEBUG_TASKS) Log.v(TAG, "Starting new activity " + r |
| 3112 | + " in existing task " + r.task); |
| 3113 | |
| 3114 | } else { |
| 3115 | // This not being started from an existing activity, and not part |
| 3116 | // of a new task... just put it in the top task, though these days |
| 3117 | // this case should never happen. |
| 3118 | final int N = mHistory.size(); |
| 3119 | HistoryRecord prev = |
| 3120 | N > 0 ? (HistoryRecord)mHistory.get(N-1) : null; |
| 3121 | r.task = prev != null |
| 3122 | ? prev.task |
| 3123 | : new TaskRecord(mCurTask, r.info, intent, |
| 3124 | (r.info.flags&ActivityInfo.FLAG_CLEAR_TASK_ON_LAUNCH) != 0); |
| 3125 | if (DEBUG_TASKS) Log.v(TAG, "Starting new activity " + r |
| 3126 | + " in new guessed " + r.task); |
| 3127 | } |
| 3128 | if (newTask) { |
| 3129 | EventLog.writeEvent(LOG_AM_CREATE_TASK, r.task.taskId); |
| 3130 | } |
| 3131 | logStartActivity(LOG_AM_CREATE_ACTIVITY, r, r.task); |
| 3132 | startActivityLocked(r, newTask); |
| 3133 | return START_SUCCESS; |
| 3134 | } |
| 3135 | |
| 3136 | public final int startActivity(IApplicationThread caller, |
| 3137 | Intent intent, String resolvedType, Uri[] grantedUriPermissions, |
| 3138 | int grantedMode, IBinder resultTo, |
| 3139 | String resultWho, int requestCode, boolean onlyIfNeeded, |
| 3140 | boolean debug) { |
| 3141 | // Refuse possible leaked file descriptors |
| 3142 | if (intent != null && intent.hasFileDescriptors()) { |
| 3143 | throw new IllegalArgumentException("File descriptors passed in Intent"); |
| 3144 | } |
| 3145 | |
The Android Open Source Project | 4df2423 | 2009-03-05 14:34:35 -0800 | [diff] [blame] | 3146 | final boolean componentSpecified = intent.getComponent() != null; |
| 3147 | |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 3148 | // Don't modify the client's object! |
| 3149 | intent = new Intent(intent); |
| 3150 | |
| 3151 | // Collect information about the target of the Intent. |
| 3152 | // Must do this before locking, because resolving the intent |
| 3153 | // may require launching a process to run its content provider. |
| 3154 | ActivityInfo aInfo; |
| 3155 | try { |
| 3156 | ResolveInfo rInfo = |
| 3157 | ActivityThread.getPackageManager().resolveIntent( |
| 3158 | intent, resolvedType, |
| 3159 | PackageManager.MATCH_DEFAULT_ONLY |
| 3160 | | PackageManager.GET_SHARED_LIBRARY_FILES); |
| 3161 | aInfo = rInfo != null ? rInfo.activityInfo : null; |
| 3162 | } catch (RemoteException e) { |
| 3163 | aInfo = null; |
| 3164 | } |
| 3165 | |
| 3166 | if (aInfo != null) { |
| 3167 | // Store the found target back into the intent, because now that |
| 3168 | // we have it we never want to do this again. For example, if the |
| 3169 | // user navigates back to this point in the history, we should |
| 3170 | // always restart the exact same activity. |
| 3171 | intent.setComponent(new ComponentName( |
| 3172 | aInfo.applicationInfo.packageName, aInfo.name)); |
| 3173 | |
| 3174 | // Don't debug things in the system process |
| 3175 | if (debug) { |
| 3176 | if (!aInfo.processName.equals("system")) { |
| 3177 | setDebugApp(aInfo.processName, true, false); |
| 3178 | } |
| 3179 | } |
| 3180 | } |
| 3181 | |
| 3182 | synchronized(this) { |
| 3183 | final long origId = Binder.clearCallingIdentity(); |
| 3184 | int res = startActivityLocked(caller, intent, resolvedType, |
| 3185 | grantedUriPermissions, grantedMode, aInfo, |
| 3186 | resultTo, resultWho, requestCode, -1, -1, |
The Android Open Source Project | 4df2423 | 2009-03-05 14:34:35 -0800 | [diff] [blame] | 3187 | onlyIfNeeded, componentSpecified); |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 3188 | Binder.restoreCallingIdentity(origId); |
| 3189 | return res; |
| 3190 | } |
| 3191 | } |
| 3192 | |
| 3193 | public boolean startNextMatchingActivity(IBinder callingActivity, |
| 3194 | Intent intent) { |
| 3195 | // Refuse possible leaked file descriptors |
| 3196 | if (intent != null && intent.hasFileDescriptors() == true) { |
| 3197 | throw new IllegalArgumentException("File descriptors passed in Intent"); |
| 3198 | } |
| 3199 | |
| 3200 | synchronized (this) { |
| 3201 | int index = indexOfTokenLocked(callingActivity, false); |
| 3202 | if (index < 0) { |
| 3203 | return false; |
| 3204 | } |
| 3205 | HistoryRecord r = (HistoryRecord)mHistory.get(index); |
| 3206 | if (r.app == null || r.app.thread == null) { |
| 3207 | // The caller is not running... d'oh! |
| 3208 | return false; |
| 3209 | } |
| 3210 | intent = new Intent(intent); |
| 3211 | // The caller is not allowed to change the data. |
| 3212 | intent.setDataAndType(r.intent.getData(), r.intent.getType()); |
| 3213 | // And we are resetting to find the next component... |
| 3214 | intent.setComponent(null); |
| 3215 | |
| 3216 | ActivityInfo aInfo = null; |
| 3217 | try { |
| 3218 | List<ResolveInfo> resolves = |
| 3219 | ActivityThread.getPackageManager().queryIntentActivities( |
| 3220 | intent, r.resolvedType, |
| 3221 | PackageManager.MATCH_DEFAULT_ONLY |
| 3222 | | PackageManager.GET_SHARED_LIBRARY_FILES); |
| 3223 | |
| 3224 | // Look for the original activity in the list... |
| 3225 | final int N = resolves != null ? resolves.size() : 0; |
| 3226 | for (int i=0; i<N; i++) { |
| 3227 | ResolveInfo rInfo = resolves.get(i); |
| 3228 | if (rInfo.activityInfo.packageName.equals(r.packageName) |
| 3229 | && rInfo.activityInfo.name.equals(r.info.name)) { |
| 3230 | // We found the current one... the next matching is |
| 3231 | // after it. |
| 3232 | i++; |
| 3233 | if (i<N) { |
| 3234 | aInfo = resolves.get(i).activityInfo; |
| 3235 | } |
| 3236 | break; |
| 3237 | } |
| 3238 | } |
| 3239 | } catch (RemoteException e) { |
| 3240 | } |
| 3241 | |
| 3242 | if (aInfo == null) { |
| 3243 | // Nobody who is next! |
| 3244 | return false; |
| 3245 | } |
| 3246 | |
| 3247 | intent.setComponent(new ComponentName( |
| 3248 | aInfo.applicationInfo.packageName, aInfo.name)); |
| 3249 | intent.setFlags(intent.getFlags()&~( |
| 3250 | Intent.FLAG_ACTIVITY_FORWARD_RESULT| |
| 3251 | Intent.FLAG_ACTIVITY_CLEAR_TOP| |
| 3252 | Intent.FLAG_ACTIVITY_MULTIPLE_TASK| |
| 3253 | Intent.FLAG_ACTIVITY_NEW_TASK)); |
| 3254 | |
| 3255 | // Okay now we need to start the new activity, replacing the |
| 3256 | // currently running activity. This is a little tricky because |
| 3257 | // we want to start the new one as if the current one is finished, |
| 3258 | // but not finish the current one first so that there is no flicker. |
| 3259 | // And thus... |
| 3260 | final boolean wasFinishing = r.finishing; |
| 3261 | r.finishing = true; |
| 3262 | |
| 3263 | // Propagate reply information over to the new activity. |
| 3264 | final HistoryRecord resultTo = r.resultTo; |
| 3265 | final String resultWho = r.resultWho; |
| 3266 | final int requestCode = r.requestCode; |
| 3267 | r.resultTo = null; |
| 3268 | if (resultTo != null) { |
| 3269 | resultTo.removeResultsLocked(r, resultWho, requestCode); |
| 3270 | } |
| 3271 | |
| 3272 | final long origId = Binder.clearCallingIdentity(); |
| 3273 | // XXX we are not dealing with propagating grantedUriPermissions... |
| 3274 | // those are not yet exposed to user code, so there is no need. |
| 3275 | int res = startActivityLocked(r.app.thread, intent, |
| 3276 | r.resolvedType, null, 0, aInfo, resultTo, resultWho, |
The Android Open Source Project | 4df2423 | 2009-03-05 14:34:35 -0800 | [diff] [blame] | 3277 | requestCode, -1, r.launchedFromUid, false, false); |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 3278 | Binder.restoreCallingIdentity(origId); |
| 3279 | |
| 3280 | r.finishing = wasFinishing; |
| 3281 | if (res != START_SUCCESS) { |
| 3282 | return false; |
| 3283 | } |
| 3284 | return true; |
| 3285 | } |
| 3286 | } |
| 3287 | |
| 3288 | final int startActivityInPackage(int uid, |
| 3289 | Intent intent, String resolvedType, IBinder resultTo, |
| 3290 | String resultWho, int requestCode, boolean onlyIfNeeded) { |
The Android Open Source Project | 4df2423 | 2009-03-05 14:34:35 -0800 | [diff] [blame] | 3291 | final boolean componentSpecified = intent.getComponent() != null; |
| 3292 | |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 3293 | // Don't modify the client's object! |
| 3294 | intent = new Intent(intent); |
| 3295 | |
| 3296 | // Collect information about the target of the Intent. |
| 3297 | // Must do this before locking, because resolving the intent |
| 3298 | // may require launching a process to run its content provider. |
| 3299 | ActivityInfo aInfo; |
| 3300 | try { |
| 3301 | ResolveInfo rInfo = |
| 3302 | ActivityThread.getPackageManager().resolveIntent( |
| 3303 | intent, resolvedType, |
| 3304 | PackageManager.MATCH_DEFAULT_ONLY |
| 3305 | | PackageManager.GET_SHARED_LIBRARY_FILES); |
| 3306 | aInfo = rInfo != null ? rInfo.activityInfo : null; |
| 3307 | } catch (RemoteException e) { |
| 3308 | aInfo = null; |
| 3309 | } |
| 3310 | |
| 3311 | if (aInfo != null) { |
| 3312 | // Store the found target back into the intent, because now that |
| 3313 | // we have it we never want to do this again. For example, if the |
| 3314 | // user navigates back to this point in the history, we should |
| 3315 | // always restart the exact same activity. |
| 3316 | intent.setComponent(new ComponentName( |
| 3317 | aInfo.applicationInfo.packageName, aInfo.name)); |
| 3318 | } |
| 3319 | |
| 3320 | synchronized(this) { |
| 3321 | return startActivityLocked(null, intent, resolvedType, |
| 3322 | null, 0, aInfo, resultTo, resultWho, requestCode, -1, uid, |
The Android Open Source Project | 4df2423 | 2009-03-05 14:34:35 -0800 | [diff] [blame] | 3323 | onlyIfNeeded, componentSpecified); |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 3324 | } |
| 3325 | } |
| 3326 | |
| 3327 | private final void addRecentTask(TaskRecord task) { |
| 3328 | // Remove any existing entries that are the same kind of task. |
| 3329 | int N = mRecentTasks.size(); |
| 3330 | for (int i=0; i<N; i++) { |
| 3331 | TaskRecord tr = mRecentTasks.get(i); |
| 3332 | if ((task.affinity != null && task.affinity.equals(tr.affinity)) |
| 3333 | || (task.intent != null && task.intent.filterEquals(tr.intent))) { |
| 3334 | mRecentTasks.remove(i); |
| 3335 | i--; |
| 3336 | N--; |
| 3337 | if (task.intent == null) { |
| 3338 | // If the new recent task we are adding is not fully |
| 3339 | // specified, then replace it with the existing recent task. |
| 3340 | task = tr; |
| 3341 | } |
| 3342 | } |
| 3343 | } |
| 3344 | if (N >= MAX_RECENT_TASKS) { |
| 3345 | mRecentTasks.remove(N-1); |
| 3346 | } |
| 3347 | mRecentTasks.add(0, task); |
| 3348 | } |
| 3349 | |
| 3350 | public void setRequestedOrientation(IBinder token, |
| 3351 | int requestedOrientation) { |
| 3352 | synchronized (this) { |
| 3353 | int index = indexOfTokenLocked(token, false); |
| 3354 | if (index < 0) { |
| 3355 | return; |
| 3356 | } |
| 3357 | HistoryRecord r = (HistoryRecord)mHistory.get(index); |
| 3358 | final long origId = Binder.clearCallingIdentity(); |
| 3359 | mWindowManager.setAppOrientation(r, requestedOrientation); |
| 3360 | Configuration config = mWindowManager.updateOrientationFromAppTokens( |
| 3361 | r.mayFreezeScreenLocked(r.app) ? r : null); |
| 3362 | if (config != null) { |
| 3363 | r.frozenBeforeDestroy = true; |
| 3364 | if (!updateConfigurationLocked(config, r)) { |
| 3365 | resumeTopActivityLocked(null); |
| 3366 | } |
| 3367 | } |
| 3368 | Binder.restoreCallingIdentity(origId); |
| 3369 | } |
| 3370 | } |
| 3371 | |
| 3372 | public int getRequestedOrientation(IBinder token) { |
| 3373 | synchronized (this) { |
| 3374 | int index = indexOfTokenLocked(token, false); |
| 3375 | if (index < 0) { |
| 3376 | return ActivityInfo.SCREEN_ORIENTATION_UNSPECIFIED; |
| 3377 | } |
| 3378 | HistoryRecord r = (HistoryRecord)mHistory.get(index); |
| 3379 | return mWindowManager.getAppOrientation(r); |
| 3380 | } |
| 3381 | } |
| 3382 | |
| 3383 | private final void stopActivityLocked(HistoryRecord r) { |
| 3384 | if (DEBUG_SWITCH) Log.d(TAG, "Stopping: " + r); |
| 3385 | if ((r.intent.getFlags()&Intent.FLAG_ACTIVITY_NO_HISTORY) != 0 |
| 3386 | || (r.info.flags&ActivityInfo.FLAG_NO_HISTORY) != 0) { |
| 3387 | if (!r.finishing) { |
| 3388 | requestFinishActivityLocked(r, Activity.RESULT_CANCELED, null, |
| 3389 | "no-history"); |
| 3390 | } |
| 3391 | } else if (r.app != null && r.app.thread != null) { |
| 3392 | if (mFocusedActivity == r) { |
| 3393 | setFocusedActivityLocked(topRunningActivityLocked(null)); |
| 3394 | } |
| 3395 | r.resumeKeyDispatchingLocked(); |
| 3396 | try { |
| 3397 | r.stopped = false; |
| 3398 | r.state = ActivityState.STOPPING; |
| 3399 | if (DEBUG_VISBILITY) Log.v( |
| 3400 | TAG, "Stopping visible=" + r.visible + " for " + r); |
| 3401 | if (!r.visible) { |
| 3402 | mWindowManager.setAppVisibility(r, false); |
| 3403 | } |
| 3404 | r.app.thread.scheduleStopActivity(r, r.visible, r.configChangeFlags); |
| 3405 | } catch (Exception e) { |
| 3406 | // Maybe just ignore exceptions here... if the process |
| 3407 | // has crashed, our death notification will clean things |
| 3408 | // up. |
| 3409 | Log.w(TAG, "Exception thrown during pause", e); |
| 3410 | // Just in case, assume it to be stopped. |
| 3411 | r.stopped = true; |
| 3412 | r.state = ActivityState.STOPPED; |
| 3413 | if (r.configDestroy) { |
| 3414 | destroyActivityLocked(r, true); |
| 3415 | } |
| 3416 | } |
| 3417 | } |
| 3418 | } |
| 3419 | |
| 3420 | /** |
| 3421 | * @return Returns true if the activity is being finished, false if for |
| 3422 | * some reason it is being left as-is. |
| 3423 | */ |
| 3424 | private final boolean requestFinishActivityLocked(IBinder token, int resultCode, |
| 3425 | Intent resultData, String reason) { |
| 3426 | if (localLOGV) Log.v( |
| 3427 | TAG, "Finishing activity: token=" + token |
| 3428 | + ", result=" + resultCode + ", data=" + resultData); |
| 3429 | |
| 3430 | int index = indexOfTokenLocked(token, false); |
| 3431 | if (index < 0) { |
| 3432 | return false; |
| 3433 | } |
| 3434 | HistoryRecord r = (HistoryRecord)mHistory.get(index); |
| 3435 | |
| 3436 | // Is this the last activity left? |
| 3437 | boolean lastActivity = true; |
| 3438 | for (int i=mHistory.size()-1; i>=0; i--) { |
| 3439 | HistoryRecord p = (HistoryRecord)mHistory.get(i); |
| 3440 | if (!p.finishing && p != r) { |
| 3441 | lastActivity = false; |
| 3442 | break; |
| 3443 | } |
| 3444 | } |
| 3445 | |
| 3446 | // If this is the last activity, but it is the home activity, then |
| 3447 | // just don't finish it. |
| 3448 | if (lastActivity) { |
| 3449 | if (r.intent.hasCategory(Intent.CATEGORY_HOME)) { |
| 3450 | return false; |
| 3451 | } |
| 3452 | } |
| 3453 | |
| 3454 | finishActivityLocked(r, index, resultCode, resultData, reason); |
| 3455 | return true; |
| 3456 | } |
| 3457 | |
| 3458 | /** |
| 3459 | * @return Returns true if this activity has been removed from the history |
| 3460 | * list, or false if it is still in the list and will be removed later. |
| 3461 | */ |
| 3462 | private final boolean finishActivityLocked(HistoryRecord r, int index, |
| 3463 | int resultCode, Intent resultData, String reason) { |
| 3464 | if (r.finishing) { |
| 3465 | Log.w(TAG, "Duplicate finish request for " + r); |
| 3466 | return false; |
| 3467 | } |
| 3468 | |
| 3469 | r.finishing = true; |
| 3470 | EventLog.writeEvent(LOG_AM_FINISH_ACTIVITY, |
| 3471 | System.identityHashCode(r), |
| 3472 | r.task.taskId, r.shortComponentName, reason); |
| 3473 | r.task.numActivities--; |
| 3474 | if (r.frontOfTask && index < (mHistory.size()-1)) { |
| 3475 | HistoryRecord next = (HistoryRecord)mHistory.get(index+1); |
| 3476 | if (next.task == r.task) { |
| 3477 | next.frontOfTask = true; |
| 3478 | } |
| 3479 | } |
| 3480 | |
| 3481 | r.pauseKeyDispatchingLocked(); |
| 3482 | if (mFocusedActivity == r) { |
| 3483 | setFocusedActivityLocked(topRunningActivityLocked(null)); |
| 3484 | } |
| 3485 | |
| 3486 | // send the result |
| 3487 | HistoryRecord resultTo = r.resultTo; |
| 3488 | if (resultTo != null) { |
| 3489 | if (localLOGV) Log.v(TAG, "Adding result to " + resultTo); |
| 3490 | if (r.info.applicationInfo.uid > 0) { |
| 3491 | grantUriPermissionFromIntentLocked(r.info.applicationInfo.uid, |
| 3492 | r.packageName, resultData, r); |
| 3493 | } |
| 3494 | resultTo.addResultLocked(r, r.resultWho, r.requestCode, resultCode, |
| 3495 | resultData); |
| 3496 | r.resultTo = null; |
| 3497 | } |
| 3498 | |
| 3499 | // Make sure this HistoryRecord is not holding on to other resources, |
| 3500 | // because clients have remote IPC references to this object so we |
| 3501 | // can't assume that will go away and want to avoid circular IPC refs. |
| 3502 | r.results = null; |
| 3503 | r.pendingResults = null; |
| 3504 | r.newIntents = null; |
| 3505 | r.icicle = null; |
| 3506 | |
| 3507 | if (mPendingThumbnails.size() > 0) { |
| 3508 | // There are clients waiting to receive thumbnails so, in case |
| 3509 | // this is an activity that someone is waiting for, add it |
| 3510 | // to the pending list so we can correctly update the clients. |
| 3511 | mCancelledThumbnails.add(r); |
| 3512 | } |
| 3513 | |
| 3514 | if (mResumedActivity == r) { |
| 3515 | boolean endTask = index <= 0 |
| 3516 | || ((HistoryRecord)mHistory.get(index-1)).task != r.task; |
| 3517 | if (DEBUG_TRANSITION) Log.v(TAG, |
| 3518 | "Prepare close transition: finishing " + r); |
| 3519 | mWindowManager.prepareAppTransition(endTask |
| 3520 | ? WindowManagerPolicy.TRANSIT_TASK_CLOSE |
| 3521 | : WindowManagerPolicy.TRANSIT_ACTIVITY_CLOSE); |
| 3522 | |
| 3523 | // Tell window manager to prepare for this one to be removed. |
| 3524 | mWindowManager.setAppVisibility(r, false); |
| 3525 | |
| 3526 | if (mPausingActivity == null) { |
| 3527 | if (DEBUG_PAUSE) Log.v(TAG, "Finish needs to pause: " + r); |
| 3528 | if (DEBUG_USER_LEAVING) Log.v(TAG, "finish() => pause with userLeaving=false"); |
| 3529 | startPausingLocked(false, false); |
| 3530 | } |
| 3531 | |
| 3532 | } else if (r.state != ActivityState.PAUSING) { |
| 3533 | // If the activity is PAUSING, we will complete the finish once |
| 3534 | // it is done pausing; else we can just directly finish it here. |
| 3535 | if (DEBUG_PAUSE) Log.v(TAG, "Finish not pausing: " + r); |
| 3536 | return finishCurrentActivityLocked(r, index, |
| 3537 | FINISH_AFTER_PAUSE) == null; |
| 3538 | } else { |
| 3539 | if (DEBUG_PAUSE) Log.v(TAG, "Finish waiting for pause of: " + r); |
| 3540 | } |
| 3541 | |
| 3542 | return false; |
| 3543 | } |
| 3544 | |
| 3545 | private static final int FINISH_IMMEDIATELY = 0; |
| 3546 | private static final int FINISH_AFTER_PAUSE = 1; |
| 3547 | private static final int FINISH_AFTER_VISIBLE = 2; |
| 3548 | |
| 3549 | private final HistoryRecord finishCurrentActivityLocked(HistoryRecord r, |
| 3550 | int mode) { |
| 3551 | final int index = indexOfTokenLocked(r, false); |
| 3552 | if (index < 0) { |
| 3553 | return null; |
| 3554 | } |
| 3555 | |
| 3556 | return finishCurrentActivityLocked(r, index, mode); |
| 3557 | } |
| 3558 | |
| 3559 | private final HistoryRecord finishCurrentActivityLocked(HistoryRecord r, |
| 3560 | int index, int mode) { |
| 3561 | // First things first: if this activity is currently visible, |
| 3562 | // and the resumed activity is not yet visible, then hold off on |
| 3563 | // finishing until the resumed one becomes visible. |
| 3564 | if (mode == FINISH_AFTER_VISIBLE && r.nowVisible) { |
| 3565 | if (!mStoppingActivities.contains(r)) { |
| 3566 | mStoppingActivities.add(r); |
| 3567 | if (mStoppingActivities.size() > 3) { |
| 3568 | // If we already have a few activities waiting to stop, |
| 3569 | // then give up on things going idle and start clearing |
| 3570 | // them out. |
| 3571 | Message msg = Message.obtain(); |
| 3572 | msg.what = ActivityManagerService.IDLE_NOW_MSG; |
| 3573 | mHandler.sendMessage(msg); |
| 3574 | } |
| 3575 | } |
| 3576 | r.state = ActivityState.STOPPING; |
| 3577 | updateOomAdjLocked(); |
| 3578 | return r; |
| 3579 | } |
| 3580 | |
| 3581 | // make sure the record is cleaned out of other places. |
| 3582 | mStoppingActivities.remove(r); |
| 3583 | mWaitingVisibleActivities.remove(r); |
| 3584 | if (mResumedActivity == r) { |
| 3585 | mResumedActivity = null; |
| 3586 | } |
| 3587 | final ActivityState prevState = r.state; |
| 3588 | r.state = ActivityState.FINISHING; |
| 3589 | |
| 3590 | if (mode == FINISH_IMMEDIATELY |
| 3591 | || prevState == ActivityState.STOPPED |
| 3592 | || prevState == ActivityState.INITIALIZING) { |
| 3593 | // If this activity is already stopped, we can just finish |
| 3594 | // it right now. |
| 3595 | return destroyActivityLocked(r, true) ? null : r; |
| 3596 | } else { |
| 3597 | // Need to go through the full pause cycle to get this |
| 3598 | // activity into the stopped state and then finish it. |
| 3599 | if (localLOGV) Log.v(TAG, "Enqueueing pending finish: " + r); |
| 3600 | mFinishingActivities.add(r); |
| 3601 | resumeTopActivityLocked(null); |
| 3602 | } |
| 3603 | return r; |
| 3604 | } |
| 3605 | |
| 3606 | /** |
| 3607 | * This is the internal entry point for handling Activity.finish(). |
| 3608 | * |
| 3609 | * @param token The Binder token referencing the Activity we want to finish. |
| 3610 | * @param resultCode Result code, if any, from this Activity. |
| 3611 | * @param resultData Result data (Intent), if any, from this Activity. |
| 3612 | * |
| 3613 | * @result Returns true if the activity successfully finished, or false if it is still running. |
| 3614 | */ |
| 3615 | public final boolean finishActivity(IBinder token, int resultCode, Intent resultData) { |
| 3616 | // Refuse possible leaked file descriptors |
| 3617 | if (resultData != null && resultData.hasFileDescriptors() == true) { |
| 3618 | throw new IllegalArgumentException("File descriptors passed in Intent"); |
| 3619 | } |
| 3620 | |
| 3621 | synchronized(this) { |
| 3622 | if (mWatcher != null) { |
| 3623 | // Find the first activity that is not finishing. |
| 3624 | HistoryRecord next = topRunningActivityLocked(token, 0); |
| 3625 | if (next != null) { |
| 3626 | // ask watcher if this is allowed |
| 3627 | boolean resumeOK = true; |
| 3628 | try { |
| 3629 | resumeOK = mWatcher.activityResuming(next.packageName); |
| 3630 | } catch (RemoteException e) { |
| 3631 | mWatcher = null; |
| 3632 | } |
| 3633 | |
| 3634 | if (!resumeOK) { |
| 3635 | return false; |
| 3636 | } |
| 3637 | } |
| 3638 | } |
| 3639 | final long origId = Binder.clearCallingIdentity(); |
| 3640 | boolean res = requestFinishActivityLocked(token, resultCode, |
| 3641 | resultData, "app-request"); |
| 3642 | Binder.restoreCallingIdentity(origId); |
| 3643 | return res; |
| 3644 | } |
| 3645 | } |
| 3646 | |
| 3647 | void sendActivityResultLocked(int callingUid, HistoryRecord r, |
| 3648 | String resultWho, int requestCode, int resultCode, Intent data) { |
| 3649 | |
| 3650 | if (callingUid > 0) { |
| 3651 | grantUriPermissionFromIntentLocked(callingUid, r.packageName, |
| 3652 | data, r); |
| 3653 | } |
| 3654 | |
| 3655 | if (mResumedActivity == r && r.app != null && r.app.thread != null) { |
| 3656 | try { |
| 3657 | ArrayList<ResultInfo> list = new ArrayList<ResultInfo>(); |
| 3658 | list.add(new ResultInfo(resultWho, requestCode, |
| 3659 | resultCode, data)); |
| 3660 | r.app.thread.scheduleSendResult(r, list); |
| 3661 | return; |
| 3662 | } catch (Exception e) { |
| 3663 | Log.w(TAG, "Exception thrown sending result to " + r, e); |
| 3664 | } |
| 3665 | } |
| 3666 | |
| 3667 | r.addResultLocked(null, resultWho, requestCode, resultCode, data); |
| 3668 | } |
| 3669 | |
| 3670 | public final void finishSubActivity(IBinder token, String resultWho, |
| 3671 | int requestCode) { |
| 3672 | synchronized(this) { |
| 3673 | int index = indexOfTokenLocked(token, false); |
| 3674 | if (index < 0) { |
| 3675 | return; |
| 3676 | } |
| 3677 | HistoryRecord self = (HistoryRecord)mHistory.get(index); |
| 3678 | |
| 3679 | final long origId = Binder.clearCallingIdentity(); |
| 3680 | |
| 3681 | int i; |
| 3682 | for (i=mHistory.size()-1; i>=0; i--) { |
| 3683 | HistoryRecord r = (HistoryRecord)mHistory.get(i); |
| 3684 | if (r.resultTo == self && r.requestCode == requestCode) { |
| 3685 | if ((r.resultWho == null && resultWho == null) || |
| 3686 | (r.resultWho != null && r.resultWho.equals(resultWho))) { |
| 3687 | finishActivityLocked(r, i, |
| 3688 | Activity.RESULT_CANCELED, null, "request-sub"); |
| 3689 | } |
| 3690 | } |
| 3691 | } |
| 3692 | |
| 3693 | Binder.restoreCallingIdentity(origId); |
| 3694 | } |
| 3695 | } |
| 3696 | |
| 3697 | /** |
| 3698 | * Perform clean-up of service connections in an activity record. |
| 3699 | */ |
| 3700 | private final void cleanUpActivityServicesLocked(HistoryRecord r) { |
| 3701 | // Throw away any services that have been bound by this activity. |
| 3702 | if (r.connections != null) { |
| 3703 | Iterator<ConnectionRecord> it = r.connections.iterator(); |
| 3704 | while (it.hasNext()) { |
| 3705 | ConnectionRecord c = it.next(); |
| 3706 | removeConnectionLocked(c, null, r); |
| 3707 | } |
| 3708 | r.connections = null; |
| 3709 | } |
| 3710 | } |
| 3711 | |
| 3712 | /** |
| 3713 | * Perform the common clean-up of an activity record. This is called both |
| 3714 | * as part of destroyActivityLocked() (when destroying the client-side |
| 3715 | * representation) and cleaning things up as a result of its hosting |
| 3716 | * processing going away, in which case there is no remaining client-side |
| 3717 | * state to destroy so only the cleanup here is needed. |
| 3718 | */ |
| 3719 | private final void cleanUpActivityLocked(HistoryRecord r, boolean cleanServices) { |
| 3720 | if (mResumedActivity == r) { |
| 3721 | mResumedActivity = null; |
| 3722 | } |
| 3723 | if (mFocusedActivity == r) { |
| 3724 | mFocusedActivity = null; |
| 3725 | } |
| 3726 | |
| 3727 | r.configDestroy = false; |
| 3728 | r.frozenBeforeDestroy = false; |
| 3729 | |
| 3730 | // Make sure this record is no longer in the pending finishes list. |
| 3731 | // This could happen, for example, if we are trimming activities |
| 3732 | // down to the max limit while they are still waiting to finish. |
| 3733 | mFinishingActivities.remove(r); |
| 3734 | mWaitingVisibleActivities.remove(r); |
| 3735 | |
| 3736 | // Remove any pending results. |
| 3737 | if (r.finishing && r.pendingResults != null) { |
| 3738 | for (WeakReference<PendingIntentRecord> apr : r.pendingResults) { |
| 3739 | PendingIntentRecord rec = apr.get(); |
| 3740 | if (rec != null) { |
| 3741 | cancelIntentSenderLocked(rec, false); |
| 3742 | } |
| 3743 | } |
| 3744 | r.pendingResults = null; |
| 3745 | } |
| 3746 | |
| 3747 | if (cleanServices) { |
| 3748 | cleanUpActivityServicesLocked(r); |
| 3749 | } |
| 3750 | |
| 3751 | if (mPendingThumbnails.size() > 0) { |
| 3752 | // There are clients waiting to receive thumbnails so, in case |
| 3753 | // this is an activity that someone is waiting for, add it |
| 3754 | // to the pending list so we can correctly update the clients. |
| 3755 | mCancelledThumbnails.add(r); |
| 3756 | } |
| 3757 | |
| 3758 | // Get rid of any pending idle timeouts. |
| 3759 | mHandler.removeMessages(PAUSE_TIMEOUT_MSG, r); |
| 3760 | mHandler.removeMessages(IDLE_TIMEOUT_MSG, r); |
| 3761 | } |
| 3762 | |
| 3763 | private final void removeActivityFromHistoryLocked(HistoryRecord r) { |
| 3764 | if (r.state != ActivityState.DESTROYED) { |
| 3765 | mHistory.remove(r); |
| 3766 | r.inHistory = false; |
| 3767 | r.state = ActivityState.DESTROYED; |
| 3768 | mWindowManager.removeAppToken(r); |
| 3769 | if (VALIDATE_TOKENS) { |
| 3770 | mWindowManager.validateAppTokens(mHistory); |
| 3771 | } |
| 3772 | cleanUpActivityServicesLocked(r); |
| 3773 | removeActivityUriPermissionsLocked(r); |
| 3774 | } |
| 3775 | } |
| 3776 | |
| 3777 | /** |
| 3778 | * Destroy the current CLIENT SIDE instance of an activity. This may be |
| 3779 | * called both when actually finishing an activity, or when performing |
| 3780 | * a configuration switch where we destroy the current client-side object |
| 3781 | * but then create a new client-side object for this same HistoryRecord. |
| 3782 | */ |
| 3783 | private final boolean destroyActivityLocked(HistoryRecord r, |
| 3784 | boolean removeFromApp) { |
| 3785 | if (DEBUG_SWITCH) Log.v( |
| 3786 | TAG, "Removing activity: token=" + r |
| 3787 | + ", app=" + (r.app != null ? r.app.processName : "(null)")); |
| 3788 | EventLog.writeEvent(LOG_AM_DESTROY_ACTIVITY, |
| 3789 | System.identityHashCode(r), |
| 3790 | r.task.taskId, r.shortComponentName); |
| 3791 | |
| 3792 | boolean removedFromHistory = false; |
| 3793 | |
| 3794 | cleanUpActivityLocked(r, false); |
| 3795 | |
| 3796 | if (r.app != null) { |
| 3797 | if (removeFromApp) { |
| 3798 | int idx = r.app.activities.indexOf(r); |
| 3799 | if (idx >= 0) { |
| 3800 | r.app.activities.remove(idx); |
| 3801 | } |
| 3802 | if (r.persistent) { |
| 3803 | decPersistentCountLocked(r.app); |
| 3804 | } |
| 3805 | } |
| 3806 | |
| 3807 | boolean skipDestroy = false; |
| 3808 | |
| 3809 | try { |
| 3810 | if (DEBUG_SWITCH) Log.i(TAG, "Destroying: " + r); |
| 3811 | r.app.thread.scheduleDestroyActivity(r, r.finishing, |
| 3812 | r.configChangeFlags); |
| 3813 | } catch (Exception e) { |
| 3814 | // We can just ignore exceptions here... if the process |
| 3815 | // has crashed, our death notification will clean things |
| 3816 | // up. |
| 3817 | //Log.w(TAG, "Exception thrown during finish", e); |
| 3818 | if (r.finishing) { |
| 3819 | removeActivityFromHistoryLocked(r); |
| 3820 | removedFromHistory = true; |
| 3821 | skipDestroy = true; |
| 3822 | } |
| 3823 | } |
| 3824 | |
| 3825 | r.app = null; |
| 3826 | r.nowVisible = false; |
| 3827 | |
| 3828 | if (r.finishing && !skipDestroy) { |
| 3829 | r.state = ActivityState.DESTROYING; |
| 3830 | Message msg = mHandler.obtainMessage(DESTROY_TIMEOUT_MSG); |
| 3831 | msg.obj = r; |
| 3832 | mHandler.sendMessageDelayed(msg, DESTROY_TIMEOUT); |
| 3833 | } else { |
| 3834 | r.state = ActivityState.DESTROYED; |
| 3835 | } |
| 3836 | } else { |
| 3837 | // remove this record from the history. |
| 3838 | if (r.finishing) { |
| 3839 | removeActivityFromHistoryLocked(r); |
| 3840 | removedFromHistory = true; |
| 3841 | } else { |
| 3842 | r.state = ActivityState.DESTROYED; |
| 3843 | } |
| 3844 | } |
| 3845 | |
| 3846 | r.configChangeFlags = 0; |
| 3847 | |
| 3848 | if (!mLRUActivities.remove(r)) { |
| 3849 | Log.w(TAG, "Activity " + r + " being finished, but not in LRU list"); |
| 3850 | } |
| 3851 | |
| 3852 | return removedFromHistory; |
| 3853 | } |
| 3854 | |
| 3855 | private static void removeHistoryRecordsForAppLocked(ArrayList list, |
| 3856 | ProcessRecord app) |
| 3857 | { |
| 3858 | int i = list.size(); |
| 3859 | if (localLOGV) Log.v( |
| 3860 | TAG, "Removing app " + app + " from list " + list |
| 3861 | + " with " + i + " entries"); |
| 3862 | while (i > 0) { |
| 3863 | i--; |
| 3864 | HistoryRecord r = (HistoryRecord)list.get(i); |
| 3865 | if (localLOGV) Log.v( |
| 3866 | TAG, "Record #" + i + " " + r + ": app=" + r.app); |
| 3867 | if (r.app == app) { |
| 3868 | if (localLOGV) Log.v(TAG, "Removing this entry!"); |
| 3869 | list.remove(i); |
| 3870 | } |
| 3871 | } |
| 3872 | } |
| 3873 | |
| 3874 | /** |
| 3875 | * Main function for removing an existing process from the activity manager |
| 3876 | * as a result of that process going away. Clears out all connections |
| 3877 | * to the process. |
| 3878 | */ |
| 3879 | private final void handleAppDiedLocked(ProcessRecord app, |
| 3880 | boolean restarting) { |
| 3881 | cleanUpApplicationRecordLocked(app, restarting, -1); |
| 3882 | if (!restarting) { |
| 3883 | mLRUProcesses.remove(app); |
| 3884 | } |
| 3885 | |
| 3886 | // Just in case... |
| 3887 | if (mPausingActivity != null && mPausingActivity.app == app) { |
| 3888 | if (DEBUG_PAUSE) Log.v(TAG, "App died while pausing: " + mPausingActivity); |
| 3889 | mPausingActivity = null; |
| 3890 | } |
| 3891 | if (mLastPausedActivity != null && mLastPausedActivity.app == app) { |
| 3892 | mLastPausedActivity = null; |
| 3893 | } |
| 3894 | |
| 3895 | // Remove this application's activities from active lists. |
| 3896 | removeHistoryRecordsForAppLocked(mLRUActivities, app); |
| 3897 | removeHistoryRecordsForAppLocked(mStoppingActivities, app); |
| 3898 | removeHistoryRecordsForAppLocked(mWaitingVisibleActivities, app); |
| 3899 | removeHistoryRecordsForAppLocked(mFinishingActivities, app); |
| 3900 | |
| 3901 | boolean atTop = true; |
| 3902 | boolean hasVisibleActivities = false; |
| 3903 | |
| 3904 | // Clean out the history list. |
| 3905 | int i = mHistory.size(); |
| 3906 | if (localLOGV) Log.v( |
| 3907 | TAG, "Removing app " + app + " from history with " + i + " entries"); |
| 3908 | while (i > 0) { |
| 3909 | i--; |
| 3910 | HistoryRecord r = (HistoryRecord)mHistory.get(i); |
| 3911 | if (localLOGV) Log.v( |
| 3912 | TAG, "Record #" + i + " " + r + ": app=" + r.app); |
| 3913 | if (r.app == app) { |
| 3914 | if ((!r.haveState && !r.stateNotNeeded) || r.finishing) { |
| 3915 | if (localLOGV) Log.v( |
| 3916 | TAG, "Removing this entry! frozen=" + r.haveState |
| 3917 | + " finishing=" + r.finishing); |
| 3918 | mHistory.remove(i); |
| 3919 | |
| 3920 | r.inHistory = false; |
| 3921 | mWindowManager.removeAppToken(r); |
| 3922 | if (VALIDATE_TOKENS) { |
| 3923 | mWindowManager.validateAppTokens(mHistory); |
| 3924 | } |
| 3925 | removeActivityUriPermissionsLocked(r); |
| 3926 | |
| 3927 | } else { |
| 3928 | // We have the current state for this activity, so |
| 3929 | // it can be restarted later when needed. |
| 3930 | if (localLOGV) Log.v( |
| 3931 | TAG, "Keeping entry, setting app to null"); |
| 3932 | if (r.visible) { |
| 3933 | hasVisibleActivities = true; |
| 3934 | } |
| 3935 | r.app = null; |
| 3936 | r.nowVisible = false; |
| 3937 | if (!r.haveState) { |
| 3938 | r.icicle = null; |
| 3939 | } |
| 3940 | } |
| 3941 | |
| 3942 | cleanUpActivityLocked(r, true); |
| 3943 | r.state = ActivityState.STOPPED; |
| 3944 | } |
| 3945 | atTop = false; |
| 3946 | } |
| 3947 | |
| 3948 | app.activities.clear(); |
| 3949 | |
| 3950 | if (app.instrumentationClass != null) { |
| 3951 | Log.w(TAG, "Crash of app " + app.processName |
| 3952 | + " running instrumentation " + app.instrumentationClass); |
| 3953 | Bundle info = new Bundle(); |
| 3954 | info.putString("shortMsg", "Process crashed."); |
| 3955 | finishInstrumentationLocked(app, Activity.RESULT_CANCELED, info); |
| 3956 | } |
| 3957 | |
| 3958 | if (!restarting) { |
| 3959 | if (!resumeTopActivityLocked(null)) { |
| 3960 | // If there was nothing to resume, and we are not already |
| 3961 | // restarting this process, but there is a visible activity that |
| 3962 | // is hosted by the process... then make sure all visible |
| 3963 | // activities are running, taking care of restarting this |
| 3964 | // process. |
| 3965 | if (hasVisibleActivities) { |
| 3966 | ensureActivitiesVisibleLocked(null, 0); |
| 3967 | } |
| 3968 | } |
| 3969 | } |
| 3970 | } |
| 3971 | |
| 3972 | private final int getLRURecordIndexForAppLocked(IApplicationThread thread) { |
| 3973 | IBinder threadBinder = thread.asBinder(); |
| 3974 | |
| 3975 | // Find the application record. |
| 3976 | int count = mLRUProcesses.size(); |
| 3977 | int i; |
| 3978 | for (i=0; i<count; i++) { |
| 3979 | ProcessRecord rec = mLRUProcesses.get(i); |
| 3980 | if (rec.thread != null && rec.thread.asBinder() == threadBinder) { |
| 3981 | return i; |
| 3982 | } |
| 3983 | } |
| 3984 | return -1; |
| 3985 | } |
| 3986 | |
| 3987 | private final ProcessRecord getRecordForAppLocked( |
| 3988 | IApplicationThread thread) { |
| 3989 | if (thread == null) { |
| 3990 | return null; |
| 3991 | } |
| 3992 | |
| 3993 | int appIndex = getLRURecordIndexForAppLocked(thread); |
| 3994 | return appIndex >= 0 ? mLRUProcesses.get(appIndex) : null; |
| 3995 | } |
| 3996 | |
| 3997 | private final void appDiedLocked(ProcessRecord app, int pid, |
| 3998 | IApplicationThread thread) { |
| 3999 | |
| 4000 | mProcDeaths[0]++; |
| 4001 | |
| 4002 | if (app.thread != null && app.thread.asBinder() == thread.asBinder()) { |
| 4003 | Log.i(TAG, "Process " + app.processName + " (pid " + pid |
| 4004 | + ") has died."); |
| 4005 | EventLog.writeEvent(LOG_AM_PROCESS_DIED, app.pid, app.processName); |
| 4006 | if (localLOGV) Log.v( |
| 4007 | TAG, "Dying app: " + app + ", pid: " + pid |
| 4008 | + ", thread: " + thread.asBinder()); |
| 4009 | boolean doLowMem = app.instrumentationClass == null; |
| 4010 | handleAppDiedLocked(app, false); |
| 4011 | |
| 4012 | if (doLowMem) { |
| 4013 | // If there are no longer any background processes running, |
| 4014 | // and the app that died was not running instrumentation, |
| 4015 | // then tell everyone we are now low on memory. |
| 4016 | boolean haveBg = false; |
| 4017 | int count = mLRUProcesses.size(); |
| 4018 | int i; |
| 4019 | for (i=0; i<count; i++) { |
| 4020 | ProcessRecord rec = mLRUProcesses.get(i); |
| 4021 | if (rec.thread != null && rec.setAdj >= HIDDEN_APP_MIN_ADJ) { |
| 4022 | haveBg = true; |
| 4023 | break; |
| 4024 | } |
| 4025 | } |
| 4026 | |
| 4027 | if (!haveBg) { |
| 4028 | Log.i(TAG, "Low Memory: No more background processes."); |
| 4029 | EventLog.writeEvent(LOG_AM_LOW_MEMORY, mLRUProcesses.size()); |
| 4030 | for (i=0; i<count; i++) { |
| 4031 | ProcessRecord rec = mLRUProcesses.get(i); |
| 4032 | if (rec.thread != null) { |
| 4033 | rec.lastRequestedGc = SystemClock.uptimeMillis(); |
| 4034 | try { |
| 4035 | rec.thread.scheduleLowMemory(); |
| 4036 | } catch (RemoteException e) { |
| 4037 | // Don't care if the process is gone. |
| 4038 | } |
| 4039 | } |
| 4040 | } |
| 4041 | } |
| 4042 | } |
| 4043 | } else if (Config.LOGD) { |
| 4044 | Log.d(TAG, "Received spurious death notification for thread " |
| 4045 | + thread.asBinder()); |
| 4046 | } |
| 4047 | } |
| 4048 | |
| 4049 | final String readFile(String filename) { |
| 4050 | try { |
| 4051 | FileInputStream fs = new FileInputStream(filename); |
| 4052 | byte[] inp = new byte[8192]; |
| 4053 | int size = fs.read(inp); |
| 4054 | fs.close(); |
| 4055 | return new String(inp, 0, 0, size); |
| 4056 | } catch (java.io.IOException e) { |
| 4057 | } |
| 4058 | return ""; |
| 4059 | } |
| 4060 | |
| 4061 | final void appNotRespondingLocked(ProcessRecord app, HistoryRecord activity, |
| 4062 | final String annotation) { |
| 4063 | if (app.notResponding || app.crashing) { |
| 4064 | return; |
| 4065 | } |
| 4066 | |
| 4067 | // Log the ANR to the event log. |
| 4068 | EventLog.writeEvent(LOG_ANR, app.pid, app.processName, annotation); |
| 4069 | |
| 4070 | // If we are on a secure build and the application is not interesting to the user (it is |
| 4071 | // not visible or in the background), just kill it instead of displaying a dialog. |
| 4072 | boolean isSecure = "1".equals(SystemProperties.get(SYSTEM_SECURE, "0")); |
| 4073 | if (isSecure && !app.isInterestingToUserLocked() && Process.myPid() != app.pid) { |
| 4074 | Process.killProcess(app.pid); |
| 4075 | return; |
| 4076 | } |
| 4077 | |
| 4078 | // DeviceMonitor.start(); |
| 4079 | |
| 4080 | String processInfo = null; |
| 4081 | if (MONITOR_CPU_USAGE) { |
| 4082 | updateCpuStatsNow(); |
| 4083 | synchronized (mProcessStatsThread) { |
| 4084 | processInfo = mProcessStats.printCurrentState(); |
| 4085 | } |
| 4086 | } |
| 4087 | |
| 4088 | StringBuilder info = new StringBuilder(); |
| 4089 | info.append("ANR (application not responding) in process: "); |
| 4090 | info.append(app.processName); |
| 4091 | if (annotation != null) { |
| 4092 | info.append("\nAnnotation: "); |
| 4093 | info.append(annotation); |
| 4094 | } |
| 4095 | if (MONITOR_CPU_USAGE) { |
| 4096 | info.append("\nCPU usage:\n"); |
| 4097 | info.append(processInfo); |
| 4098 | } |
| 4099 | Log.i(TAG, info.toString()); |
| 4100 | |
| 4101 | // The application is not responding. Dump as many thread traces as we can. |
| 4102 | boolean fileDump = prepareTraceFile(true); |
| 4103 | if (!fileDump) { |
| 4104 | // Dumping traces to the log, just dump the process that isn't responding so |
| 4105 | // we don't overflow the log |
| 4106 | Process.sendSignal(app.pid, Process.SIGNAL_QUIT); |
| 4107 | } else { |
| 4108 | // Dumping traces to a file so dump all active processes we know about |
| 4109 | synchronized (this) { |
| 4110 | for (int i = mLRUProcesses.size() - 1 ; i >= 0 ; i--) { |
| 4111 | ProcessRecord r = mLRUProcesses.get(i); |
| 4112 | if (r.thread != null) { |
| 4113 | Process.sendSignal(r.pid, Process.SIGNAL_QUIT); |
| 4114 | } |
| 4115 | } |
| 4116 | } |
| 4117 | } |
| 4118 | |
| 4119 | if (mWatcher != null) { |
| 4120 | try { |
| 4121 | int res = mWatcher.appNotResponding(app.processName, |
| 4122 | app.pid, info.toString()); |
| 4123 | if (res != 0) { |
| 4124 | if (res < 0) { |
| 4125 | // wait until the SIGQUIT has had a chance to process before killing the |
| 4126 | // process. |
| 4127 | try { |
| 4128 | wait(2000); |
| 4129 | } catch (InterruptedException e) { |
| 4130 | } |
| 4131 | |
| 4132 | Process.killProcess(app.pid); |
| 4133 | return; |
| 4134 | } |
| 4135 | } |
| 4136 | } catch (RemoteException e) { |
| 4137 | mWatcher = null; |
| 4138 | } |
| 4139 | } |
| 4140 | |
| 4141 | makeAppNotRespondingLocked(app, |
| 4142 | activity != null ? activity.shortComponentName : null, |
| 4143 | annotation != null ? "ANR " + annotation : "ANR", |
| 4144 | info.toString(), null); |
| 4145 | Message msg = Message.obtain(); |
| 4146 | HashMap map = new HashMap(); |
| 4147 | msg.what = SHOW_NOT_RESPONDING_MSG; |
| 4148 | msg.obj = map; |
| 4149 | map.put("app", app); |
| 4150 | if (activity != null) { |
| 4151 | map.put("activity", activity); |
| 4152 | } |
| 4153 | |
| 4154 | mHandler.sendMessage(msg); |
| 4155 | return; |
| 4156 | } |
| 4157 | |
| 4158 | /** |
| 4159 | * If a stack trace file has been configured, prepare the filesystem |
| 4160 | * by creating the directory if it doesn't exist and optionally |
| 4161 | * removing the old trace file. |
| 4162 | * |
| 4163 | * @param removeExisting If set, the existing trace file will be removed. |
| 4164 | * @return Returns true if the trace file preparations succeeded |
| 4165 | */ |
| 4166 | public static boolean prepareTraceFile(boolean removeExisting) { |
| 4167 | String tracesPath = SystemProperties.get("dalvik.vm.stack-trace-file", null); |
| 4168 | boolean fileReady = false; |
| 4169 | if (!TextUtils.isEmpty(tracesPath)) { |
| 4170 | File f = new File(tracesPath); |
| 4171 | if (!f.exists()) { |
| 4172 | // Ensure the enclosing directory exists |
| 4173 | File dir = f.getParentFile(); |
| 4174 | if (!dir.exists()) { |
| 4175 | fileReady = dir.mkdirs(); |
| 4176 | FileUtils.setPermissions(dir.getAbsolutePath(), |
| 4177 | FileUtils.S_IRWXU | FileUtils.S_IRWXG | FileUtils.S_IRWXO, -1, -1); |
| 4178 | } else if (dir.isDirectory()) { |
| 4179 | fileReady = true; |
| 4180 | } |
| 4181 | } else if (removeExisting) { |
| 4182 | // Remove the previous traces file, so we don't fill the disk. |
| 4183 | // The VM will recreate it |
| 4184 | Log.i(TAG, "Removing old ANR trace file from " + tracesPath); |
| 4185 | fileReady = f.delete(); |
| 4186 | } |
| 4187 | } |
| 4188 | |
| 4189 | return fileReady; |
| 4190 | } |
| 4191 | |
| 4192 | |
| 4193 | private final void decPersistentCountLocked(ProcessRecord app) |
| 4194 | { |
| 4195 | app.persistentActivities--; |
| 4196 | if (app.persistentActivities > 0) { |
| 4197 | // Still more of 'em... |
| 4198 | return; |
| 4199 | } |
| 4200 | if (app.persistent) { |
| 4201 | // Ah, but the application itself is persistent. Whatever! |
| 4202 | return; |
| 4203 | } |
| 4204 | |
| 4205 | // App is no longer persistent... make sure it and the ones |
| 4206 | // following it in the LRU list have the correc oom_adj. |
| 4207 | updateOomAdjLocked(); |
| 4208 | } |
| 4209 | |
| 4210 | public void setPersistent(IBinder token, boolean isPersistent) { |
| 4211 | if (checkCallingPermission(android.Manifest.permission.PERSISTENT_ACTIVITY) |
| 4212 | != PackageManager.PERMISSION_GRANTED) { |
| 4213 | String msg = "Permission Denial: setPersistent() from pid=" |
| 4214 | + Binder.getCallingPid() |
| 4215 | + ", uid=" + Binder.getCallingUid() |
| 4216 | + " requires " + android.Manifest.permission.PERSISTENT_ACTIVITY; |
| 4217 | Log.w(TAG, msg); |
| 4218 | throw new SecurityException(msg); |
| 4219 | } |
| 4220 | |
| 4221 | synchronized(this) { |
| 4222 | int index = indexOfTokenLocked(token, true); |
| 4223 | if (index < 0) { |
| 4224 | return; |
| 4225 | } |
| 4226 | HistoryRecord r = (HistoryRecord)mHistory.get(index); |
| 4227 | ProcessRecord app = r.app; |
| 4228 | |
| 4229 | if (localLOGV) Log.v( |
| 4230 | TAG, "Setting persistence " + isPersistent + ": " + r); |
| 4231 | |
| 4232 | if (isPersistent) { |
| 4233 | if (r.persistent) { |
| 4234 | // Okay okay, I heard you already! |
| 4235 | if (localLOGV) Log.v(TAG, "Already persistent!"); |
| 4236 | return; |
| 4237 | } |
| 4238 | r.persistent = true; |
| 4239 | app.persistentActivities++; |
| 4240 | if (localLOGV) Log.v(TAG, "Num persistent now: " + app.persistentActivities); |
| 4241 | if (app.persistentActivities > 1) { |
| 4242 | // We aren't the first... |
| 4243 | if (localLOGV) Log.v(TAG, "Not the first!"); |
| 4244 | return; |
| 4245 | } |
| 4246 | if (app.persistent) { |
| 4247 | // This would be redundant. |
| 4248 | if (localLOGV) Log.v(TAG, "App is persistent!"); |
| 4249 | return; |
| 4250 | } |
| 4251 | |
| 4252 | // App is now persistent... make sure it and the ones |
| 4253 | // following it now have the correct oom_adj. |
| 4254 | final long origId = Binder.clearCallingIdentity(); |
| 4255 | updateOomAdjLocked(); |
| 4256 | Binder.restoreCallingIdentity(origId); |
| 4257 | |
| 4258 | } else { |
| 4259 | if (!r.persistent) { |
| 4260 | // Okay okay, I heard you already! |
| 4261 | return; |
| 4262 | } |
| 4263 | r.persistent = false; |
| 4264 | final long origId = Binder.clearCallingIdentity(); |
| 4265 | decPersistentCountLocked(app); |
| 4266 | Binder.restoreCallingIdentity(origId); |
| 4267 | |
| 4268 | } |
| 4269 | } |
| 4270 | } |
| 4271 | |
| 4272 | public boolean clearApplicationUserData(final String packageName, |
| 4273 | final IPackageDataObserver observer) { |
| 4274 | int uid = Binder.getCallingUid(); |
| 4275 | int pid = Binder.getCallingPid(); |
| 4276 | long callingId = Binder.clearCallingIdentity(); |
| 4277 | try { |
| 4278 | IPackageManager pm = ActivityThread.getPackageManager(); |
| 4279 | int pkgUid = -1; |
| 4280 | synchronized(this) { |
| 4281 | try { |
| 4282 | pkgUid = pm.getPackageUid(packageName); |
| 4283 | } catch (RemoteException e) { |
| 4284 | } |
| 4285 | if (pkgUid == -1) { |
| 4286 | Log.w(TAG, "Invalid packageName:" + packageName); |
| 4287 | return false; |
| 4288 | } |
| 4289 | if (uid == pkgUid || checkComponentPermission( |
| 4290 | android.Manifest.permission.CLEAR_APP_USER_DATA, |
| 4291 | pid, uid, -1) |
| 4292 | == PackageManager.PERMISSION_GRANTED) { |
| 4293 | restartPackageLocked(packageName, pkgUid); |
| 4294 | } else { |
| 4295 | throw new SecurityException(pid+" does not have permission:"+ |
| 4296 | android.Manifest.permission.CLEAR_APP_USER_DATA+" to clear data" + |
| 4297 | "for process:"+packageName); |
| 4298 | } |
| 4299 | } |
| 4300 | |
| 4301 | try { |
| 4302 | //clear application user data |
| 4303 | pm.clearApplicationUserData(packageName, observer); |
| 4304 | Intent intent = new Intent(Intent.ACTION_PACKAGE_DATA_CLEARED, |
| 4305 | Uri.fromParts("package", packageName, null)); |
| 4306 | intent.putExtra(Intent.EXTRA_UID, pkgUid); |
| 4307 | broadcastIntentLocked(null, null, intent, |
| 4308 | null, null, 0, null, null, null, |
| 4309 | false, false, MY_PID, Process.SYSTEM_UID); |
| 4310 | } catch (RemoteException e) { |
| 4311 | } |
| 4312 | } finally { |
| 4313 | Binder.restoreCallingIdentity(callingId); |
| 4314 | } |
| 4315 | return true; |
| 4316 | } |
| 4317 | |
| 4318 | public void restartPackage(final String packageName) { |
| 4319 | if (checkCallingPermission(android.Manifest.permission.RESTART_PACKAGES) |
| 4320 | != PackageManager.PERMISSION_GRANTED) { |
| 4321 | String msg = "Permission Denial: restartPackage() from pid=" |
| 4322 | + Binder.getCallingPid() |
| 4323 | + ", uid=" + Binder.getCallingUid() |
| 4324 | + " requires " + android.Manifest.permission.RESTART_PACKAGES; |
| 4325 | Log.w(TAG, msg); |
| 4326 | throw new SecurityException(msg); |
| 4327 | } |
| 4328 | |
| 4329 | long callingId = Binder.clearCallingIdentity(); |
| 4330 | try { |
| 4331 | IPackageManager pm = ActivityThread.getPackageManager(); |
| 4332 | int pkgUid = -1; |
| 4333 | synchronized(this) { |
| 4334 | try { |
| 4335 | pkgUid = pm.getPackageUid(packageName); |
| 4336 | } catch (RemoteException e) { |
| 4337 | } |
| 4338 | if (pkgUid == -1) { |
| 4339 | Log.w(TAG, "Invalid packageName: " + packageName); |
| 4340 | return; |
| 4341 | } |
| 4342 | restartPackageLocked(packageName, pkgUid); |
| 4343 | } |
| 4344 | } finally { |
| 4345 | Binder.restoreCallingIdentity(callingId); |
| 4346 | } |
| 4347 | } |
| 4348 | |
| 4349 | private void restartPackageLocked(final String packageName, int uid) { |
| 4350 | uninstallPackageLocked(packageName, uid, false); |
| 4351 | Intent intent = new Intent(Intent.ACTION_PACKAGE_RESTARTED, |
| 4352 | Uri.fromParts("package", packageName, null)); |
| 4353 | intent.putExtra(Intent.EXTRA_UID, uid); |
| 4354 | broadcastIntentLocked(null, null, intent, |
| 4355 | null, null, 0, null, null, null, |
| 4356 | false, false, MY_PID, Process.SYSTEM_UID); |
| 4357 | } |
| 4358 | |
| 4359 | private final void uninstallPackageLocked(String name, int uid, |
| 4360 | boolean callerWillRestart) { |
| 4361 | if (Config.LOGD) Log.d(TAG, "Uninstalling process " + name); |
| 4362 | |
| 4363 | int i, N; |
| 4364 | |
| 4365 | final String procNamePrefix = name + ":"; |
| 4366 | if (uid < 0) { |
| 4367 | try { |
| 4368 | uid = ActivityThread.getPackageManager().getPackageUid(name); |
| 4369 | } catch (RemoteException e) { |
| 4370 | } |
| 4371 | } |
| 4372 | |
| 4373 | Iterator<SparseArray<Long>> badApps = mProcessCrashTimes.getMap().values().iterator(); |
| 4374 | while (badApps.hasNext()) { |
| 4375 | SparseArray<Long> ba = badApps.next(); |
| 4376 | if (ba.get(uid) != null) { |
| 4377 | badApps.remove(); |
| 4378 | } |
| 4379 | } |
| 4380 | |
| 4381 | ArrayList<ProcessRecord> procs = new ArrayList<ProcessRecord>(); |
| 4382 | |
| 4383 | // Remove all processes this package may have touched: all with the |
| 4384 | // same UID (except for the system or root user), and all whose name |
| 4385 | // matches the package name. |
| 4386 | for (SparseArray<ProcessRecord> apps : mProcessNames.getMap().values()) { |
| 4387 | final int NA = apps.size(); |
| 4388 | for (int ia=0; ia<NA; ia++) { |
| 4389 | ProcessRecord app = apps.valueAt(ia); |
| 4390 | if (app.removed) { |
| 4391 | procs.add(app); |
| 4392 | } else if ((uid > 0 && uid != Process.SYSTEM_UID && app.info.uid == uid) |
| 4393 | || app.processName.equals(name) |
| 4394 | || app.processName.startsWith(procNamePrefix)) { |
| 4395 | app.removed = true; |
| 4396 | procs.add(app); |
| 4397 | } |
| 4398 | } |
| 4399 | } |
| 4400 | |
| 4401 | N = procs.size(); |
| 4402 | for (i=0; i<N; i++) { |
| 4403 | removeProcessLocked(procs.get(i), callerWillRestart); |
| 4404 | } |
| 4405 | |
| 4406 | for (i=mHistory.size()-1; i>=0; i--) { |
| 4407 | HistoryRecord r = (HistoryRecord)mHistory.get(i); |
| 4408 | if (r.packageName.equals(name)) { |
| 4409 | if (Config.LOGD) Log.d( |
| 4410 | TAG, " Force finishing activity " |
| 4411 | + r.intent.getComponent().flattenToShortString()); |
| 4412 | if (r.app != null) { |
| 4413 | r.app.removed = true; |
| 4414 | } |
| 4415 | r.app = null; |
| 4416 | finishActivityLocked(r, i, Activity.RESULT_CANCELED, null, "uninstall"); |
| 4417 | } |
| 4418 | } |
| 4419 | |
| 4420 | ArrayList<ServiceRecord> services = new ArrayList<ServiceRecord>(); |
| 4421 | for (ServiceRecord service : mServices.values()) { |
| 4422 | if (service.packageName.equals(name)) { |
| 4423 | if (service.app != null) { |
| 4424 | service.app.removed = true; |
| 4425 | } |
| 4426 | service.app = null; |
| 4427 | services.add(service); |
| 4428 | } |
| 4429 | } |
| 4430 | |
| 4431 | N = services.size(); |
| 4432 | for (i=0; i<N; i++) { |
| 4433 | bringDownServiceLocked(services.get(i), true); |
| 4434 | } |
| 4435 | |
| 4436 | resumeTopActivityLocked(null); |
| 4437 | } |
| 4438 | |
| 4439 | private final boolean removeProcessLocked(ProcessRecord app, boolean callerWillRestart) { |
| 4440 | final String name = app.processName; |
| 4441 | final int uid = app.info.uid; |
| 4442 | if (Config.LOGD) Log.d( |
| 4443 | TAG, "Force removing process " + app + " (" + name |
| 4444 | + "/" + uid + ")"); |
| 4445 | |
| 4446 | mProcessNames.remove(name, uid); |
| 4447 | boolean needRestart = false; |
| 4448 | if (app.pid > 0 && app.pid != MY_PID) { |
| 4449 | int pid = app.pid; |
| 4450 | synchronized (mPidsSelfLocked) { |
| 4451 | mPidsSelfLocked.remove(pid); |
| 4452 | mHandler.removeMessages(PROC_START_TIMEOUT_MSG, app); |
| 4453 | } |
| 4454 | handleAppDiedLocked(app, true); |
| 4455 | mLRUProcesses.remove(app); |
| 4456 | Process.killProcess(pid); |
| 4457 | |
| 4458 | if (app.persistent) { |
| 4459 | if (!callerWillRestart) { |
| 4460 | addAppLocked(app.info); |
| 4461 | } else { |
| 4462 | needRestart = true; |
| 4463 | } |
| 4464 | } |
| 4465 | } else { |
| 4466 | mRemovedProcesses.add(app); |
| 4467 | } |
| 4468 | |
| 4469 | return needRestart; |
| 4470 | } |
| 4471 | |
| 4472 | private final void processStartTimedOutLocked(ProcessRecord app) { |
| 4473 | final int pid = app.pid; |
| 4474 | boolean gone = false; |
| 4475 | synchronized (mPidsSelfLocked) { |
| 4476 | ProcessRecord knownApp = mPidsSelfLocked.get(pid); |
| 4477 | if (knownApp != null && knownApp.thread == null) { |
| 4478 | mPidsSelfLocked.remove(pid); |
| 4479 | gone = true; |
| 4480 | } |
| 4481 | } |
| 4482 | |
| 4483 | if (gone) { |
| 4484 | Log.w(TAG, "Process " + app + " failed to attach"); |
| 4485 | mProcessNames.remove(app.processName, app.info.uid); |
| 4486 | Process.killProcess(pid); |
| 4487 | if (mPendingBroadcast != null && mPendingBroadcast.curApp.pid == pid) { |
| 4488 | Log.w(TAG, "Unattached app died before broadcast acknowledged, skipping"); |
| 4489 | mPendingBroadcast = null; |
| 4490 | scheduleBroadcastsLocked(); |
| 4491 | } |
| 4492 | } else { |
| 4493 | Log.w(TAG, "Spurious process start timeout - pid not known for " + app); |
| 4494 | } |
| 4495 | } |
| 4496 | |
| 4497 | private final boolean attachApplicationLocked(IApplicationThread thread, |
| 4498 | int pid) { |
| 4499 | |
| 4500 | // Find the application record that is being attached... either via |
| 4501 | // the pid if we are running in multiple processes, or just pull the |
| 4502 | // next app record if we are emulating process with anonymous threads. |
| 4503 | ProcessRecord app; |
| 4504 | if (pid != MY_PID && pid >= 0) { |
| 4505 | synchronized (mPidsSelfLocked) { |
| 4506 | app = mPidsSelfLocked.get(pid); |
| 4507 | } |
| 4508 | } else if (mStartingProcesses.size() > 0) { |
| 4509 | app = mStartingProcesses.remove(0); |
| 4510 | app.pid = pid; |
| 4511 | } else { |
| 4512 | app = null; |
| 4513 | } |
| 4514 | |
| 4515 | if (app == null) { |
| 4516 | Log.w(TAG, "No pending application record for pid " + pid |
| 4517 | + " (IApplicationThread " + thread + "); dropping process"); |
| 4518 | EventLog.writeEvent(LOG_AM_DROP_PROCESS, pid); |
| 4519 | if (pid > 0 && pid != MY_PID) { |
| 4520 | Process.killProcess(pid); |
| 4521 | } else { |
| 4522 | try { |
| 4523 | thread.scheduleExit(); |
| 4524 | } catch (Exception e) { |
| 4525 | // Ignore exceptions. |
| 4526 | } |
| 4527 | } |
| 4528 | return false; |
| 4529 | } |
| 4530 | |
| 4531 | // If this application record is still attached to a previous |
| 4532 | // process, clean it up now. |
| 4533 | if (app.thread != null) { |
| 4534 | handleAppDiedLocked(app, true); |
| 4535 | } |
| 4536 | |
| 4537 | // Tell the process all about itself. |
| 4538 | |
| 4539 | if (localLOGV) Log.v( |
| 4540 | TAG, "Binding process pid " + pid + " to record " + app); |
| 4541 | |
| 4542 | String processName = app.processName; |
| 4543 | try { |
| 4544 | thread.asBinder().linkToDeath(new AppDeathRecipient( |
| 4545 | app, pid, thread), 0); |
| 4546 | } catch (RemoteException e) { |
| 4547 | app.resetPackageList(); |
| 4548 | startProcessLocked(app, "link fail", processName); |
| 4549 | return false; |
| 4550 | } |
| 4551 | |
| 4552 | EventLog.writeEvent(LOG_AM_PROCESS_BOUND, app.pid, app.processName); |
| 4553 | |
| 4554 | app.thread = thread; |
| 4555 | app.curAdj = app.setAdj = -100; |
| 4556 | app.forcingToForeground = null; |
| 4557 | app.foregroundServices = false; |
| 4558 | app.debugging = false; |
| 4559 | |
| 4560 | mHandler.removeMessages(PROC_START_TIMEOUT_MSG, app); |
| 4561 | |
| 4562 | List providers = generateApplicationProvidersLocked(app); |
| 4563 | |
| 4564 | if (localLOGV) Log.v( |
| 4565 | TAG, "New app record " + app |
| 4566 | + " thread=" + thread.asBinder() + " pid=" + pid); |
| 4567 | try { |
| 4568 | int testMode = IApplicationThread.DEBUG_OFF; |
| 4569 | if (mDebugApp != null && mDebugApp.equals(processName)) { |
| 4570 | testMode = mWaitForDebugger |
| 4571 | ? IApplicationThread.DEBUG_WAIT |
| 4572 | : IApplicationThread.DEBUG_ON; |
| 4573 | app.debugging = true; |
| 4574 | if (mDebugTransient) { |
| 4575 | mDebugApp = mOrigDebugApp; |
| 4576 | mWaitForDebugger = mOrigWaitForDebugger; |
| 4577 | } |
| 4578 | } |
| 4579 | thread.bindApplication(processName, app.info, providers, |
| 4580 | app.instrumentationClass, app.instrumentationProfileFile, |
| 4581 | app.instrumentationArguments, app.instrumentationWatcher, testMode, |
| 4582 | mConfiguration, getCommonServicesLocked()); |
| 4583 | updateLRUListLocked(app, false); |
| 4584 | app.lastRequestedGc = SystemClock.uptimeMillis(); |
| 4585 | } catch (Exception e) { |
| 4586 | // todo: Yikes! What should we do? For now we will try to |
| 4587 | // start another process, but that could easily get us in |
| 4588 | // an infinite loop of restarting processes... |
| 4589 | Log.w(TAG, "Exception thrown during bind!", e); |
| 4590 | |
| 4591 | app.resetPackageList(); |
| 4592 | startProcessLocked(app, "bind fail", processName); |
| 4593 | return false; |
| 4594 | } |
| 4595 | |
| 4596 | // Remove this record from the list of starting applications. |
| 4597 | mPersistentStartingProcesses.remove(app); |
| 4598 | mProcessesOnHold.remove(app); |
| 4599 | |
| 4600 | boolean badApp = false; |
| 4601 | boolean didSomething = false; |
| 4602 | |
| 4603 | // See if the top visible activity is waiting to run in this process... |
| 4604 | HistoryRecord hr = topRunningActivityLocked(null); |
| 4605 | if (hr != null) { |
| 4606 | if (hr.app == null && app.info.uid == hr.info.applicationInfo.uid |
| 4607 | && processName.equals(hr.processName)) { |
| 4608 | try { |
| 4609 | if (realStartActivityLocked(hr, app, true, true)) { |
| 4610 | didSomething = true; |
| 4611 | } |
| 4612 | } catch (Exception e) { |
| 4613 | Log.w(TAG, "Exception in new application when starting activity " |
| 4614 | + hr.intent.getComponent().flattenToShortString(), e); |
| 4615 | badApp = true; |
| 4616 | } |
| 4617 | } else { |
| 4618 | ensureActivitiesVisibleLocked(hr, null, processName, 0); |
| 4619 | } |
| 4620 | } |
| 4621 | |
| 4622 | // Find any services that should be running in this process... |
| 4623 | if (!badApp && mPendingServices.size() > 0) { |
| 4624 | ServiceRecord sr = null; |
| 4625 | try { |
| 4626 | for (int i=0; i<mPendingServices.size(); i++) { |
| 4627 | sr = mPendingServices.get(i); |
| 4628 | if (app.info.uid != sr.appInfo.uid |
| 4629 | || !processName.equals(sr.processName)) { |
| 4630 | continue; |
| 4631 | } |
| 4632 | |
| 4633 | mPendingServices.remove(i); |
| 4634 | i--; |
| 4635 | realStartServiceLocked(sr, app); |
| 4636 | didSomething = true; |
| 4637 | } |
| 4638 | } catch (Exception e) { |
| 4639 | Log.w(TAG, "Exception in new application when starting service " |
| 4640 | + sr.shortName, e); |
| 4641 | badApp = true; |
| 4642 | } |
| 4643 | } |
| 4644 | |
| 4645 | // Check if the next broadcast receiver is in this process... |
| 4646 | BroadcastRecord br = mPendingBroadcast; |
| 4647 | if (!badApp && br != null && br.curApp == app) { |
| 4648 | try { |
| 4649 | mPendingBroadcast = null; |
| 4650 | processCurBroadcastLocked(br, app); |
| 4651 | didSomething = true; |
| 4652 | } catch (Exception e) { |
| 4653 | Log.w(TAG, "Exception in new application when starting receiver " |
| 4654 | + br.curComponent.flattenToShortString(), e); |
| 4655 | badApp = true; |
| 4656 | logBroadcastReceiverDiscard(br); |
| 4657 | finishReceiverLocked(br.receiver, br.resultCode, br.resultData, |
| 4658 | br.resultExtras, br.resultAbort, true); |
| 4659 | scheduleBroadcastsLocked(); |
| 4660 | } |
| 4661 | } |
| 4662 | |
| 4663 | if (badApp) { |
| 4664 | // todo: Also need to kill application to deal with all |
| 4665 | // kinds of exceptions. |
| 4666 | handleAppDiedLocked(app, false); |
| 4667 | return false; |
| 4668 | } |
| 4669 | |
| 4670 | if (!didSomething) { |
| 4671 | updateOomAdjLocked(); |
| 4672 | } |
| 4673 | |
| 4674 | return true; |
| 4675 | } |
| 4676 | |
| 4677 | public final void attachApplication(IApplicationThread thread) { |
| 4678 | synchronized (this) { |
| 4679 | int callingPid = Binder.getCallingPid(); |
| 4680 | final long origId = Binder.clearCallingIdentity(); |
| 4681 | attachApplicationLocked(thread, callingPid); |
| 4682 | Binder.restoreCallingIdentity(origId); |
| 4683 | } |
| 4684 | } |
| 4685 | |
| 4686 | public final void activityIdle(IBinder token) { |
| 4687 | final long origId = Binder.clearCallingIdentity(); |
| 4688 | activityIdleInternal(token, false); |
| 4689 | Binder.restoreCallingIdentity(origId); |
| 4690 | } |
| 4691 | |
| 4692 | final ArrayList<HistoryRecord> processStoppingActivitiesLocked( |
| 4693 | boolean remove) { |
| 4694 | int N = mStoppingActivities.size(); |
| 4695 | if (N <= 0) return null; |
| 4696 | |
| 4697 | ArrayList<HistoryRecord> stops = null; |
| 4698 | |
| 4699 | final boolean nowVisible = mResumedActivity != null |
| 4700 | && mResumedActivity.nowVisible |
| 4701 | && !mResumedActivity.waitingVisible; |
| 4702 | for (int i=0; i<N; i++) { |
| 4703 | HistoryRecord s = mStoppingActivities.get(i); |
| 4704 | if (localLOGV) Log.v(TAG, "Stopping " + s + ": nowVisible=" |
| 4705 | + nowVisible + " waitingVisible=" + s.waitingVisible |
| 4706 | + " finishing=" + s.finishing); |
| 4707 | if (s.waitingVisible && nowVisible) { |
| 4708 | mWaitingVisibleActivities.remove(s); |
| 4709 | s.waitingVisible = false; |
| 4710 | if (s.finishing) { |
| 4711 | // If this activity is finishing, it is sitting on top of |
| 4712 | // everyone else but we now know it is no longer needed... |
| 4713 | // so get rid of it. Otherwise, we need to go through the |
| 4714 | // normal flow and hide it once we determine that it is |
| 4715 | // hidden by the activities in front of it. |
| 4716 | if (localLOGV) Log.v(TAG, "Before stopping, can hide: " + s); |
| 4717 | mWindowManager.setAppVisibility(s, false); |
| 4718 | } |
| 4719 | } |
| 4720 | if (!s.waitingVisible && remove) { |
| 4721 | if (localLOGV) Log.v(TAG, "Ready to stop: " + s); |
| 4722 | if (stops == null) { |
| 4723 | stops = new ArrayList<HistoryRecord>(); |
| 4724 | } |
| 4725 | stops.add(s); |
| 4726 | mStoppingActivities.remove(i); |
| 4727 | N--; |
| 4728 | i--; |
| 4729 | } |
| 4730 | } |
| 4731 | |
| 4732 | return stops; |
| 4733 | } |
| 4734 | |
| 4735 | void enableScreenAfterBoot() { |
| 4736 | mWindowManager.enableScreenAfterBoot(); |
| 4737 | } |
| 4738 | |
| 4739 | final void activityIdleInternal(IBinder token, boolean fromTimeout) { |
| 4740 | if (localLOGV) Log.v(TAG, "Activity idle: " + token); |
| 4741 | |
| 4742 | ArrayList<HistoryRecord> stops = null; |
| 4743 | ArrayList<HistoryRecord> finishes = null; |
| 4744 | ArrayList<HistoryRecord> thumbnails = null; |
| 4745 | int NS = 0; |
| 4746 | int NF = 0; |
| 4747 | int NT = 0; |
| 4748 | IApplicationThread sendThumbnail = null; |
| 4749 | boolean booting = false; |
| 4750 | boolean enableScreen = false; |
| 4751 | |
| 4752 | synchronized (this) { |
| 4753 | if (token != null) { |
| 4754 | mHandler.removeMessages(IDLE_TIMEOUT_MSG, token); |
| 4755 | } |
| 4756 | |
| 4757 | // Get the activity record. |
| 4758 | int index = indexOfTokenLocked(token, false); |
| 4759 | if (index >= 0) { |
| 4760 | HistoryRecord r = (HistoryRecord)mHistory.get(index); |
| 4761 | |
| 4762 | // No longer need to keep the device awake. |
| 4763 | if (mResumedActivity == r && mLaunchingActivity.isHeld()) { |
| 4764 | mHandler.removeMessages(LAUNCH_TIMEOUT_MSG); |
| 4765 | mLaunchingActivity.release(); |
| 4766 | } |
| 4767 | |
| 4768 | // We are now idle. If someone is waiting for a thumbnail from |
| 4769 | // us, we can now deliver. |
| 4770 | r.idle = true; |
| 4771 | scheduleAppGcsLocked(); |
| 4772 | if (r.thumbnailNeeded && r.app != null && r.app.thread != null) { |
| 4773 | sendThumbnail = r.app.thread; |
| 4774 | r.thumbnailNeeded = false; |
| 4775 | } |
| 4776 | |
| 4777 | // If this activity is fullscreen, set up to hide those under it. |
| 4778 | |
| 4779 | if (DEBUG_VISBILITY) Log.v(TAG, "Idle activity for " + r); |
| 4780 | ensureActivitiesVisibleLocked(null, 0); |
| 4781 | |
| 4782 | //Log.i(TAG, "IDLE: mBooted=" + mBooted + ", fromTimeout=" + fromTimeout); |
| 4783 | if (!mBooted && !fromTimeout) { |
| 4784 | mBooted = true; |
| 4785 | enableScreen = true; |
| 4786 | } |
| 4787 | } |
| 4788 | |
| 4789 | // Atomically retrieve all of the other things to do. |
| 4790 | stops = processStoppingActivitiesLocked(true); |
| 4791 | NS = stops != null ? stops.size() : 0; |
| 4792 | if ((NF=mFinishingActivities.size()) > 0) { |
| 4793 | finishes = new ArrayList<HistoryRecord>(mFinishingActivities); |
| 4794 | mFinishingActivities.clear(); |
| 4795 | } |
| 4796 | if ((NT=mCancelledThumbnails.size()) > 0) { |
| 4797 | thumbnails = new ArrayList<HistoryRecord>(mCancelledThumbnails); |
| 4798 | mCancelledThumbnails.clear(); |
| 4799 | } |
| 4800 | |
| 4801 | booting = mBooting; |
| 4802 | mBooting = false; |
| 4803 | } |
| 4804 | |
| 4805 | int i; |
| 4806 | |
| 4807 | // Send thumbnail if requested. |
| 4808 | if (sendThumbnail != null) { |
| 4809 | try { |
| 4810 | sendThumbnail.requestThumbnail(token); |
| 4811 | } catch (Exception e) { |
| 4812 | Log.w(TAG, "Exception thrown when requesting thumbnail", e); |
| 4813 | sendPendingThumbnail(null, token, null, null, true); |
| 4814 | } |
| 4815 | } |
| 4816 | |
| 4817 | // Stop any activities that are scheduled to do so but have been |
| 4818 | // waiting for the next one to start. |
| 4819 | for (i=0; i<NS; i++) { |
| 4820 | HistoryRecord r = (HistoryRecord)stops.get(i); |
| 4821 | synchronized (this) { |
| 4822 | if (r.finishing) { |
| 4823 | finishCurrentActivityLocked(r, FINISH_IMMEDIATELY); |
| 4824 | } else { |
| 4825 | stopActivityLocked(r); |
| 4826 | } |
| 4827 | } |
| 4828 | } |
| 4829 | |
| 4830 | // Finish any activities that are scheduled to do so but have been |
| 4831 | // waiting for the next one to start. |
| 4832 | for (i=0; i<NF; i++) { |
| 4833 | HistoryRecord r = (HistoryRecord)finishes.get(i); |
| 4834 | synchronized (this) { |
| 4835 | destroyActivityLocked(r, true); |
| 4836 | } |
| 4837 | } |
| 4838 | |
| 4839 | // Report back to any thumbnail receivers. |
| 4840 | for (i=0; i<NT; i++) { |
| 4841 | HistoryRecord r = (HistoryRecord)thumbnails.get(i); |
| 4842 | sendPendingThumbnail(r, null, null, null, true); |
| 4843 | } |
| 4844 | |
| 4845 | if (booting) { |
| 4846 | // Ensure that any processes we had put on hold are now started |
| 4847 | // up. |
| 4848 | final int NP = mProcessesOnHold.size(); |
| 4849 | if (NP > 0) { |
| 4850 | ArrayList<ProcessRecord> procs = |
| 4851 | new ArrayList<ProcessRecord>(mProcessesOnHold); |
| 4852 | for (int ip=0; ip<NP; ip++) { |
| 4853 | this.startProcessLocked(procs.get(ip), "on-hold", null); |
| 4854 | } |
| 4855 | } |
| 4856 | if (mFactoryTest != SystemServer.FACTORY_TEST_LOW_LEVEL) { |
| 4857 | // Tell anyone interested that we are done booting! |
| 4858 | synchronized (this) { |
| 4859 | broadcastIntentLocked(null, null, |
| 4860 | new Intent(Intent.ACTION_BOOT_COMPLETED, null), |
| 4861 | null, null, 0, null, null, |
| 4862 | android.Manifest.permission.RECEIVE_BOOT_COMPLETED, |
| 4863 | false, false, MY_PID, Process.SYSTEM_UID); |
| 4864 | } |
| 4865 | } |
| 4866 | } |
| 4867 | |
| 4868 | trimApplications(); |
| 4869 | //dump(); |
| 4870 | //mWindowManager.dump(); |
| 4871 | |
| 4872 | if (enableScreen) { |
| 4873 | EventLog.writeEvent(LOG_BOOT_PROGRESS_ENABLE_SCREEN, |
| 4874 | SystemClock.uptimeMillis()); |
| 4875 | enableScreenAfterBoot(); |
| 4876 | } |
| 4877 | } |
| 4878 | |
| 4879 | public final void activityPaused(IBinder token, Bundle icicle) { |
| 4880 | // Refuse possible leaked file descriptors |
| 4881 | if (icicle != null && icicle.hasFileDescriptors()) { |
| 4882 | throw new IllegalArgumentException("File descriptors passed in Bundle"); |
| 4883 | } |
| 4884 | |
| 4885 | final long origId = Binder.clearCallingIdentity(); |
| 4886 | activityPaused(token, icicle, false); |
| 4887 | Binder.restoreCallingIdentity(origId); |
| 4888 | } |
| 4889 | |
| 4890 | final void activityPaused(IBinder token, Bundle icicle, boolean timeout) { |
| 4891 | if (DEBUG_PAUSE) Log.v( |
| 4892 | TAG, "Activity paused: token=" + token + ", icicle=" + icicle |
| 4893 | + ", timeout=" + timeout); |
| 4894 | |
| 4895 | HistoryRecord r = null; |
| 4896 | |
| 4897 | synchronized (this) { |
| 4898 | int index = indexOfTokenLocked(token, false); |
| 4899 | if (index >= 0) { |
| 4900 | r = (HistoryRecord)mHistory.get(index); |
| 4901 | if (!timeout) { |
| 4902 | r.icicle = icicle; |
| 4903 | r.haveState = true; |
| 4904 | } |
| 4905 | mHandler.removeMessages(PAUSE_TIMEOUT_MSG, r); |
| 4906 | if (mPausingActivity == r) { |
| 4907 | r.state = ActivityState.PAUSED; |
| 4908 | completePauseLocked(); |
| 4909 | } else { |
| 4910 | EventLog.writeEvent(LOG_AM_FAILED_TO_PAUSE_ACTIVITY, |
| 4911 | System.identityHashCode(r), r.shortComponentName, |
| 4912 | mPausingActivity != null |
| 4913 | ? mPausingActivity.shortComponentName : "(none)"); |
| 4914 | } |
| 4915 | } |
| 4916 | } |
| 4917 | } |
| 4918 | |
| 4919 | public final void activityStopped(IBinder token, Bitmap thumbnail, |
| 4920 | CharSequence description) { |
| 4921 | if (localLOGV) Log.v( |
| 4922 | TAG, "Activity stopped: token=" + token); |
| 4923 | |
| 4924 | HistoryRecord r = null; |
| 4925 | |
| 4926 | final long origId = Binder.clearCallingIdentity(); |
| 4927 | |
| 4928 | synchronized (this) { |
| 4929 | int index = indexOfTokenLocked(token, false); |
| 4930 | if (index >= 0) { |
| 4931 | r = (HistoryRecord)mHistory.get(index); |
| 4932 | r.thumbnail = thumbnail; |
| 4933 | r.description = description; |
| 4934 | r.stopped = true; |
| 4935 | r.state = ActivityState.STOPPED; |
| 4936 | if (!r.finishing) { |
| 4937 | if (r.configDestroy) { |
| 4938 | destroyActivityLocked(r, true); |
| 4939 | resumeTopActivityLocked(null); |
| 4940 | } |
| 4941 | } |
| 4942 | } |
| 4943 | } |
| 4944 | |
| 4945 | if (r != null) { |
| 4946 | sendPendingThumbnail(r, null, null, null, false); |
| 4947 | } |
| 4948 | |
| 4949 | trimApplications(); |
| 4950 | |
| 4951 | Binder.restoreCallingIdentity(origId); |
| 4952 | } |
| 4953 | |
| 4954 | public final void activityDestroyed(IBinder token) { |
| 4955 | if (DEBUG_SWITCH) Log.v(TAG, "ACTIVITY DESTROYED: " + token); |
| 4956 | synchronized (this) { |
| 4957 | mHandler.removeMessages(DESTROY_TIMEOUT_MSG, token); |
| 4958 | |
| 4959 | int index = indexOfTokenLocked(token, false); |
| 4960 | if (index >= 0) { |
| 4961 | HistoryRecord r = (HistoryRecord)mHistory.get(index); |
| 4962 | if (r.state == ActivityState.DESTROYING) { |
| 4963 | final long origId = Binder.clearCallingIdentity(); |
| 4964 | removeActivityFromHistoryLocked(r); |
| 4965 | Binder.restoreCallingIdentity(origId); |
| 4966 | } |
| 4967 | } |
| 4968 | } |
| 4969 | } |
| 4970 | |
| 4971 | public String getCallingPackage(IBinder token) { |
| 4972 | synchronized (this) { |
| 4973 | HistoryRecord r = getCallingRecordLocked(token); |
| 4974 | return r != null && r.app != null ? r.app.processName : null; |
| 4975 | } |
| 4976 | } |
| 4977 | |
| 4978 | public ComponentName getCallingActivity(IBinder token) { |
| 4979 | synchronized (this) { |
| 4980 | HistoryRecord r = getCallingRecordLocked(token); |
| 4981 | return r != null ? r.intent.getComponent() : null; |
| 4982 | } |
| 4983 | } |
| 4984 | |
| 4985 | private HistoryRecord getCallingRecordLocked(IBinder token) { |
| 4986 | int index = indexOfTokenLocked(token, true); |
| 4987 | if (index >= 0) { |
| 4988 | HistoryRecord r = (HistoryRecord)mHistory.get(index); |
| 4989 | if (r != null) { |
| 4990 | return r.resultTo; |
| 4991 | } |
| 4992 | } |
| 4993 | return null; |
| 4994 | } |
| 4995 | |
| 4996 | public ComponentName getActivityClassForToken(IBinder token) { |
| 4997 | synchronized(this) { |
| 4998 | int index = indexOfTokenLocked(token, false); |
| 4999 | if (index >= 0) { |
| 5000 | HistoryRecord r = (HistoryRecord)mHistory.get(index); |
| 5001 | return r.intent.getComponent(); |
| 5002 | } |
| 5003 | return null; |
| 5004 | } |
| 5005 | } |
| 5006 | |
| 5007 | public String getPackageForToken(IBinder token) { |
| 5008 | synchronized(this) { |
| 5009 | int index = indexOfTokenLocked(token, false); |
| 5010 | if (index >= 0) { |
| 5011 | HistoryRecord r = (HistoryRecord)mHistory.get(index); |
| 5012 | return r.packageName; |
| 5013 | } |
| 5014 | return null; |
| 5015 | } |
| 5016 | } |
| 5017 | |
| 5018 | public IIntentSender getIntentSender(int type, |
| 5019 | String packageName, IBinder token, String resultWho, |
| 5020 | int requestCode, Intent intent, String resolvedType, int flags) { |
| 5021 | // Refuse possible leaked file descriptors |
| 5022 | if (intent != null && intent.hasFileDescriptors() == true) { |
| 5023 | throw new IllegalArgumentException("File descriptors passed in Intent"); |
| 5024 | } |
| 5025 | |
| 5026 | synchronized(this) { |
| 5027 | int callingUid = Binder.getCallingUid(); |
| 5028 | try { |
| 5029 | if (callingUid != 0 && callingUid != Process.SYSTEM_UID && |
| 5030 | Process.supportsProcesses()) { |
| 5031 | int uid = ActivityThread.getPackageManager() |
| 5032 | .getPackageUid(packageName); |
| 5033 | if (uid != Binder.getCallingUid()) { |
| 5034 | String msg = "Permission Denial: getIntentSender() from pid=" |
| 5035 | + Binder.getCallingPid() |
| 5036 | + ", uid=" + Binder.getCallingUid() |
| 5037 | + ", (need uid=" + uid + ")" |
| 5038 | + " is not allowed to send as package " + packageName; |
| 5039 | Log.w(TAG, msg); |
| 5040 | throw new SecurityException(msg); |
| 5041 | } |
| 5042 | } |
| 5043 | } catch (RemoteException e) { |
| 5044 | throw new SecurityException(e); |
| 5045 | } |
| 5046 | HistoryRecord activity = null; |
| 5047 | if (type == INTENT_SENDER_ACTIVITY_RESULT) { |
| 5048 | int index = indexOfTokenLocked(token, false); |
| 5049 | if (index < 0) { |
| 5050 | return null; |
| 5051 | } |
| 5052 | activity = (HistoryRecord)mHistory.get(index); |
| 5053 | if (activity.finishing) { |
| 5054 | return null; |
| 5055 | } |
| 5056 | } |
| 5057 | |
| 5058 | final boolean noCreate = (flags&PendingIntent.FLAG_NO_CREATE) != 0; |
| 5059 | final boolean cancelCurrent = (flags&PendingIntent.FLAG_CANCEL_CURRENT) != 0; |
| 5060 | final boolean updateCurrent = (flags&PendingIntent.FLAG_UPDATE_CURRENT) != 0; |
| 5061 | flags &= ~(PendingIntent.FLAG_NO_CREATE|PendingIntent.FLAG_CANCEL_CURRENT |
| 5062 | |PendingIntent.FLAG_UPDATE_CURRENT); |
| 5063 | |
| 5064 | PendingIntentRecord.Key key = new PendingIntentRecord.Key( |
| 5065 | type, packageName, activity, resultWho, |
| 5066 | requestCode, intent, resolvedType, flags); |
| 5067 | WeakReference<PendingIntentRecord> ref; |
| 5068 | ref = mIntentSenderRecords.get(key); |
| 5069 | PendingIntentRecord rec = ref != null ? ref.get() : null; |
| 5070 | if (rec != null) { |
| 5071 | if (!cancelCurrent) { |
| 5072 | if (updateCurrent) { |
| 5073 | rec.key.requestIntent.replaceExtras(intent); |
| 5074 | } |
| 5075 | return rec; |
| 5076 | } |
| 5077 | rec.canceled = true; |
| 5078 | mIntentSenderRecords.remove(key); |
| 5079 | } |
| 5080 | if (noCreate) { |
| 5081 | return rec; |
| 5082 | } |
| 5083 | rec = new PendingIntentRecord(this, key, callingUid); |
| 5084 | mIntentSenderRecords.put(key, rec.ref); |
| 5085 | if (type == INTENT_SENDER_ACTIVITY_RESULT) { |
| 5086 | if (activity.pendingResults == null) { |
| 5087 | activity.pendingResults |
| 5088 | = new HashSet<WeakReference<PendingIntentRecord>>(); |
| 5089 | } |
| 5090 | activity.pendingResults.add(rec.ref); |
| 5091 | } |
| 5092 | return rec; |
| 5093 | } |
| 5094 | } |
| 5095 | |
| 5096 | public void cancelIntentSender(IIntentSender sender) { |
| 5097 | if (!(sender instanceof PendingIntentRecord)) { |
| 5098 | return; |
| 5099 | } |
| 5100 | synchronized(this) { |
| 5101 | PendingIntentRecord rec = (PendingIntentRecord)sender; |
| 5102 | try { |
| 5103 | int uid = ActivityThread.getPackageManager() |
| 5104 | .getPackageUid(rec.key.packageName); |
| 5105 | if (uid != Binder.getCallingUid()) { |
| 5106 | String msg = "Permission Denial: cancelIntentSender() from pid=" |
| 5107 | + Binder.getCallingPid() |
| 5108 | + ", uid=" + Binder.getCallingUid() |
| 5109 | + " is not allowed to cancel packges " |
| 5110 | + rec.key.packageName; |
| 5111 | Log.w(TAG, msg); |
| 5112 | throw new SecurityException(msg); |
| 5113 | } |
| 5114 | } catch (RemoteException e) { |
| 5115 | throw new SecurityException(e); |
| 5116 | } |
| 5117 | cancelIntentSenderLocked(rec, true); |
| 5118 | } |
| 5119 | } |
| 5120 | |
| 5121 | void cancelIntentSenderLocked(PendingIntentRecord rec, boolean cleanActivity) { |
| 5122 | rec.canceled = true; |
| 5123 | mIntentSenderRecords.remove(rec.key); |
| 5124 | if (cleanActivity && rec.key.activity != null) { |
| 5125 | rec.key.activity.pendingResults.remove(rec.ref); |
| 5126 | } |
| 5127 | } |
| 5128 | |
| 5129 | public String getPackageForIntentSender(IIntentSender pendingResult) { |
| 5130 | if (!(pendingResult instanceof PendingIntentRecord)) { |
| 5131 | return null; |
| 5132 | } |
| 5133 | synchronized(this) { |
| 5134 | try { |
| 5135 | PendingIntentRecord res = (PendingIntentRecord)pendingResult; |
| 5136 | return res.key.packageName; |
| 5137 | } catch (ClassCastException e) { |
| 5138 | } |
| 5139 | } |
| 5140 | return null; |
| 5141 | } |
| 5142 | |
| 5143 | public void setProcessLimit(int max) { |
| 5144 | enforceCallingPermission(android.Manifest.permission.SET_PROCESS_LIMIT, |
| 5145 | "setProcessLimit()"); |
| 5146 | mProcessLimit = max; |
| 5147 | } |
| 5148 | |
| 5149 | public int getProcessLimit() { |
| 5150 | return mProcessLimit; |
| 5151 | } |
| 5152 | |
| 5153 | void foregroundTokenDied(ForegroundToken token) { |
| 5154 | synchronized (ActivityManagerService.this) { |
| 5155 | synchronized (mPidsSelfLocked) { |
| 5156 | ForegroundToken cur |
| 5157 | = mForegroundProcesses.get(token.pid); |
| 5158 | if (cur != token) { |
| 5159 | return; |
| 5160 | } |
| 5161 | mForegroundProcesses.remove(token.pid); |
| 5162 | ProcessRecord pr = mPidsSelfLocked.get(token.pid); |
| 5163 | if (pr == null) { |
| 5164 | return; |
| 5165 | } |
| 5166 | pr.forcingToForeground = null; |
| 5167 | pr.foregroundServices = false; |
| 5168 | } |
| 5169 | updateOomAdjLocked(); |
| 5170 | } |
| 5171 | } |
| 5172 | |
| 5173 | public void setProcessForeground(IBinder token, int pid, boolean isForeground) { |
| 5174 | enforceCallingPermission(android.Manifest.permission.SET_PROCESS_LIMIT, |
| 5175 | "setProcessForeground()"); |
| 5176 | synchronized(this) { |
| 5177 | boolean changed = false; |
| 5178 | |
| 5179 | synchronized (mPidsSelfLocked) { |
| 5180 | ProcessRecord pr = mPidsSelfLocked.get(pid); |
| 5181 | if (pr == null) { |
| 5182 | Log.w(TAG, "setProcessForeground called on unknown pid: " + pid); |
| 5183 | return; |
| 5184 | } |
| 5185 | ForegroundToken oldToken = mForegroundProcesses.get(pid); |
| 5186 | if (oldToken != null) { |
| 5187 | oldToken.token.unlinkToDeath(oldToken, 0); |
| 5188 | mForegroundProcesses.remove(pid); |
| 5189 | pr.forcingToForeground = null; |
| 5190 | changed = true; |
| 5191 | } |
| 5192 | if (isForeground && token != null) { |
| 5193 | ForegroundToken newToken = new ForegroundToken() { |
| 5194 | public void binderDied() { |
| 5195 | foregroundTokenDied(this); |
| 5196 | } |
| 5197 | }; |
| 5198 | newToken.pid = pid; |
| 5199 | newToken.token = token; |
| 5200 | try { |
| 5201 | token.linkToDeath(newToken, 0); |
| 5202 | mForegroundProcesses.put(pid, newToken); |
| 5203 | pr.forcingToForeground = token; |
| 5204 | changed = true; |
| 5205 | } catch (RemoteException e) { |
| 5206 | // If the process died while doing this, we will later |
| 5207 | // do the cleanup with the process death link. |
| 5208 | } |
| 5209 | } |
| 5210 | } |
| 5211 | |
| 5212 | if (changed) { |
| 5213 | updateOomAdjLocked(); |
| 5214 | } |
| 5215 | } |
| 5216 | } |
| 5217 | |
| 5218 | // ========================================================= |
| 5219 | // PERMISSIONS |
| 5220 | // ========================================================= |
| 5221 | |
| 5222 | static class PermissionController extends IPermissionController.Stub { |
| 5223 | ActivityManagerService mActivityManagerService; |
| 5224 | PermissionController(ActivityManagerService activityManagerService) { |
| 5225 | mActivityManagerService = activityManagerService; |
| 5226 | } |
| 5227 | |
| 5228 | public boolean checkPermission(String permission, int pid, int uid) { |
| 5229 | return mActivityManagerService.checkPermission(permission, pid, |
| 5230 | uid) == PackageManager.PERMISSION_GRANTED; |
| 5231 | } |
| 5232 | } |
| 5233 | |
| 5234 | /** |
| 5235 | * This can be called with or without the global lock held. |
| 5236 | */ |
| 5237 | int checkComponentPermission(String permission, int pid, int uid, |
| 5238 | int reqUid) { |
| 5239 | // We might be performing an operation on behalf of an indirect binder |
| 5240 | // invocation, e.g. via {@link #openContentUri}. Check and adjust the |
| 5241 | // client identity accordingly before proceeding. |
| 5242 | Identity tlsIdentity = sCallerIdentity.get(); |
| 5243 | if (tlsIdentity != null) { |
| 5244 | Log.d(TAG, "checkComponentPermission() adjusting {pid,uid} to {" |
| 5245 | + tlsIdentity.pid + "," + tlsIdentity.uid + "}"); |
| 5246 | uid = tlsIdentity.uid; |
| 5247 | pid = tlsIdentity.pid; |
| 5248 | } |
| 5249 | |
| 5250 | // Root, system server and our own process get to do everything. |
| 5251 | if (uid == 0 || uid == Process.SYSTEM_UID || pid == MY_PID || |
| 5252 | !Process.supportsProcesses()) { |
| 5253 | return PackageManager.PERMISSION_GRANTED; |
| 5254 | } |
| 5255 | // If the target requires a specific UID, always fail for others. |
| 5256 | if (reqUid >= 0 && uid != reqUid) { |
| 5257 | return PackageManager.PERMISSION_DENIED; |
| 5258 | } |
| 5259 | if (permission == null) { |
| 5260 | return PackageManager.PERMISSION_GRANTED; |
| 5261 | } |
| 5262 | try { |
| 5263 | return ActivityThread.getPackageManager() |
| 5264 | .checkUidPermission(permission, uid); |
| 5265 | } catch (RemoteException e) { |
| 5266 | // Should never happen, but if it does... deny! |
| 5267 | Log.e(TAG, "PackageManager is dead?!?", e); |
| 5268 | } |
| 5269 | return PackageManager.PERMISSION_DENIED; |
| 5270 | } |
| 5271 | |
| 5272 | /** |
| 5273 | * As the only public entry point for permissions checking, this method |
| 5274 | * can enforce the semantic that requesting a check on a null global |
| 5275 | * permission is automatically denied. (Internally a null permission |
| 5276 | * string is used when calling {@link #checkComponentPermission} in cases |
| 5277 | * when only uid-based security is needed.) |
| 5278 | * |
| 5279 | * This can be called with or without the global lock held. |
| 5280 | */ |
| 5281 | public int checkPermission(String permission, int pid, int uid) { |
| 5282 | if (permission == null) { |
| 5283 | return PackageManager.PERMISSION_DENIED; |
| 5284 | } |
| 5285 | return checkComponentPermission(permission, pid, uid, -1); |
| 5286 | } |
| 5287 | |
| 5288 | /** |
| 5289 | * Binder IPC calls go through the public entry point. |
| 5290 | * This can be called with or without the global lock held. |
| 5291 | */ |
| 5292 | int checkCallingPermission(String permission) { |
| 5293 | return checkPermission(permission, |
| 5294 | Binder.getCallingPid(), |
| 5295 | Binder.getCallingUid()); |
| 5296 | } |
| 5297 | |
| 5298 | /** |
| 5299 | * This can be called with or without the global lock held. |
| 5300 | */ |
| 5301 | void enforceCallingPermission(String permission, String func) { |
| 5302 | if (checkCallingPermission(permission) |
| 5303 | == PackageManager.PERMISSION_GRANTED) { |
| 5304 | return; |
| 5305 | } |
| 5306 | |
| 5307 | String msg = "Permission Denial: " + func + " from pid=" |
| 5308 | + Binder.getCallingPid() |
| 5309 | + ", uid=" + Binder.getCallingUid() |
| 5310 | + " requires " + permission; |
| 5311 | Log.w(TAG, msg); |
| 5312 | throw new SecurityException(msg); |
| 5313 | } |
| 5314 | |
| 5315 | private final boolean checkHoldingPermissionsLocked(IPackageManager pm, |
| 5316 | ProviderInfo pi, int uid, int modeFlags) { |
| 5317 | try { |
| 5318 | if ((modeFlags&Intent.FLAG_GRANT_READ_URI_PERMISSION) != 0) { |
| 5319 | if ((pi.readPermission != null) && |
| 5320 | (pm.checkUidPermission(pi.readPermission, uid) |
| 5321 | != PackageManager.PERMISSION_GRANTED)) { |
| 5322 | return false; |
| 5323 | } |
| 5324 | } |
| 5325 | if ((modeFlags&Intent.FLAG_GRANT_WRITE_URI_PERMISSION) != 0) { |
| 5326 | if ((pi.writePermission != null) && |
| 5327 | (pm.checkUidPermission(pi.writePermission, uid) |
| 5328 | != PackageManager.PERMISSION_GRANTED)) { |
| 5329 | return false; |
| 5330 | } |
| 5331 | } |
| 5332 | return true; |
| 5333 | } catch (RemoteException e) { |
| 5334 | return false; |
| 5335 | } |
| 5336 | } |
| 5337 | |
| 5338 | private final boolean checkUriPermissionLocked(Uri uri, int uid, |
| 5339 | int modeFlags) { |
| 5340 | // Root gets to do everything. |
| 5341 | if (uid == 0 || !Process.supportsProcesses()) { |
| 5342 | return true; |
| 5343 | } |
| 5344 | HashMap<Uri, UriPermission> perms = mGrantedUriPermissions.get(uid); |
| 5345 | if (perms == null) return false; |
| 5346 | UriPermission perm = perms.get(uri); |
| 5347 | if (perm == null) return false; |
| 5348 | return (modeFlags&perm.modeFlags) == modeFlags; |
| 5349 | } |
| 5350 | |
| 5351 | public int checkUriPermission(Uri uri, int pid, int uid, int modeFlags) { |
| 5352 | // Another redirected-binder-call permissions check as in |
| 5353 | // {@link checkComponentPermission}. |
| 5354 | Identity tlsIdentity = sCallerIdentity.get(); |
| 5355 | if (tlsIdentity != null) { |
| 5356 | uid = tlsIdentity.uid; |
| 5357 | pid = tlsIdentity.pid; |
| 5358 | } |
| 5359 | |
| 5360 | // Our own process gets to do everything. |
| 5361 | if (pid == MY_PID) { |
| 5362 | return PackageManager.PERMISSION_GRANTED; |
| 5363 | } |
| 5364 | synchronized(this) { |
| 5365 | return checkUriPermissionLocked(uri, uid, modeFlags) |
| 5366 | ? PackageManager.PERMISSION_GRANTED |
| 5367 | : PackageManager.PERMISSION_DENIED; |
| 5368 | } |
| 5369 | } |
| 5370 | |
| 5371 | private void grantUriPermissionLocked(int callingUid, |
| 5372 | String targetPkg, Uri uri, int modeFlags, HistoryRecord activity) { |
| 5373 | modeFlags &= (Intent.FLAG_GRANT_READ_URI_PERMISSION |
| 5374 | | Intent.FLAG_GRANT_WRITE_URI_PERMISSION); |
| 5375 | if (modeFlags == 0) { |
| 5376 | return; |
| 5377 | } |
| 5378 | |
| 5379 | final IPackageManager pm = ActivityThread.getPackageManager(); |
| 5380 | |
| 5381 | // If this is not a content: uri, we can't do anything with it. |
| 5382 | if (!ContentResolver.SCHEME_CONTENT.equals(uri.getScheme())) { |
| 5383 | return; |
| 5384 | } |
| 5385 | |
| 5386 | String name = uri.getAuthority(); |
| 5387 | ProviderInfo pi = null; |
| 5388 | ContentProviderRecord cpr |
| 5389 | = (ContentProviderRecord)mProvidersByName.get(name); |
| 5390 | if (cpr != null) { |
| 5391 | pi = cpr.info; |
| 5392 | } else { |
| 5393 | try { |
| 5394 | pi = pm.resolveContentProvider(name, |
| 5395 | PackageManager.GET_URI_PERMISSION_PATTERNS); |
| 5396 | } catch (RemoteException ex) { |
| 5397 | } |
| 5398 | } |
| 5399 | if (pi == null) { |
| 5400 | Log.w(TAG, "No content provider found for: " + name); |
| 5401 | return; |
| 5402 | } |
| 5403 | |
| 5404 | int targetUid; |
| 5405 | try { |
| 5406 | targetUid = pm.getPackageUid(targetPkg); |
| 5407 | if (targetUid < 0) { |
| 5408 | return; |
| 5409 | } |
| 5410 | } catch (RemoteException ex) { |
| 5411 | return; |
| 5412 | } |
| 5413 | |
| 5414 | // First... does the target actually need this permission? |
| 5415 | if (checkHoldingPermissionsLocked(pm, pi, targetUid, modeFlags)) { |
| 5416 | // No need to grant the target this permission. |
| 5417 | return; |
| 5418 | } |
| 5419 | |
| 5420 | // Second... maybe someone else has already granted the |
| 5421 | // permission? |
| 5422 | if (checkUriPermissionLocked(uri, targetUid, modeFlags)) { |
| 5423 | // No need to grant the target this permission. |
| 5424 | return; |
| 5425 | } |
| 5426 | |
| 5427 | // Third... is the provider allowing granting of URI permissions? |
| 5428 | if (!pi.grantUriPermissions) { |
| 5429 | throw new SecurityException("Provider " + pi.packageName |
| 5430 | + "/" + pi.name |
| 5431 | + " does not allow granting of Uri permissions (uri " |
| 5432 | + uri + ")"); |
| 5433 | } |
| 5434 | if (pi.uriPermissionPatterns != null) { |
| 5435 | final int N = pi.uriPermissionPatterns.length; |
| 5436 | boolean allowed = false; |
| 5437 | for (int i=0; i<N; i++) { |
| 5438 | if (pi.uriPermissionPatterns[i] != null |
| 5439 | && pi.uriPermissionPatterns[i].match(uri.getPath())) { |
| 5440 | allowed = true; |
| 5441 | break; |
| 5442 | } |
| 5443 | } |
| 5444 | if (!allowed) { |
| 5445 | throw new SecurityException("Provider " + pi.packageName |
| 5446 | + "/" + pi.name |
| 5447 | + " does not allow granting of permission to path of Uri " |
| 5448 | + uri); |
| 5449 | } |
| 5450 | } |
| 5451 | |
| 5452 | // Fourth... does the caller itself have permission to access |
| 5453 | // this uri? |
| 5454 | if (!checkHoldingPermissionsLocked(pm, pi, callingUid, modeFlags)) { |
| 5455 | if (!checkUriPermissionLocked(uri, callingUid, modeFlags)) { |
| 5456 | throw new SecurityException("Uid " + callingUid |
| 5457 | + " does not have permission to uri " + uri); |
| 5458 | } |
| 5459 | } |
| 5460 | |
| 5461 | // Okay! So here we are: the caller has the assumed permission |
| 5462 | // to the uri, and the target doesn't. Let's now give this to |
| 5463 | // the target. |
| 5464 | |
| 5465 | HashMap<Uri, UriPermission> targetUris |
| 5466 | = mGrantedUriPermissions.get(targetUid); |
| 5467 | if (targetUris == null) { |
| 5468 | targetUris = new HashMap<Uri, UriPermission>(); |
| 5469 | mGrantedUriPermissions.put(targetUid, targetUris); |
| 5470 | } |
| 5471 | |
| 5472 | UriPermission perm = targetUris.get(uri); |
| 5473 | if (perm == null) { |
| 5474 | perm = new UriPermission(targetUid, uri); |
| 5475 | targetUris.put(uri, perm); |
| 5476 | |
| 5477 | } |
| 5478 | perm.modeFlags |= modeFlags; |
| 5479 | if (activity == null) { |
| 5480 | perm.globalModeFlags |= modeFlags; |
| 5481 | } else if ((modeFlags&Intent.FLAG_GRANT_READ_URI_PERMISSION) != 0) { |
| 5482 | perm.readActivities.add(activity); |
| 5483 | if (activity.readUriPermissions == null) { |
| 5484 | activity.readUriPermissions = new HashSet<UriPermission>(); |
| 5485 | } |
| 5486 | activity.readUriPermissions.add(perm); |
| 5487 | } else if ((modeFlags&Intent.FLAG_GRANT_WRITE_URI_PERMISSION) != 0) { |
| 5488 | perm.writeActivities.add(activity); |
| 5489 | if (activity.writeUriPermissions == null) { |
| 5490 | activity.writeUriPermissions = new HashSet<UriPermission>(); |
| 5491 | } |
| 5492 | activity.writeUriPermissions.add(perm); |
| 5493 | } |
| 5494 | } |
| 5495 | |
| 5496 | private void grantUriPermissionFromIntentLocked(int callingUid, |
| 5497 | String targetPkg, Intent intent, HistoryRecord activity) { |
| 5498 | if (intent == null) { |
| 5499 | return; |
| 5500 | } |
| 5501 | Uri data = intent.getData(); |
| 5502 | if (data == null) { |
| 5503 | return; |
| 5504 | } |
| 5505 | grantUriPermissionLocked(callingUid, targetPkg, data, |
| 5506 | intent.getFlags(), activity); |
| 5507 | } |
| 5508 | |
| 5509 | public void grantUriPermission(IApplicationThread caller, String targetPkg, |
| 5510 | Uri uri, int modeFlags) { |
| 5511 | synchronized(this) { |
| 5512 | final ProcessRecord r = getRecordForAppLocked(caller); |
| 5513 | if (r == null) { |
| 5514 | throw new SecurityException("Unable to find app for caller " |
| 5515 | + caller |
| 5516 | + " when granting permission to uri " + uri); |
| 5517 | } |
| 5518 | if (targetPkg == null) { |
| 5519 | Log.w(TAG, "grantUriPermission: null target"); |
| 5520 | return; |
| 5521 | } |
| 5522 | if (uri == null) { |
| 5523 | Log.w(TAG, "grantUriPermission: null uri"); |
| 5524 | return; |
| 5525 | } |
| 5526 | |
| 5527 | grantUriPermissionLocked(r.info.uid, targetPkg, uri, modeFlags, |
| 5528 | null); |
| 5529 | } |
| 5530 | } |
| 5531 | |
| 5532 | private void removeUriPermissionIfNeededLocked(UriPermission perm) { |
| 5533 | if ((perm.modeFlags&(Intent.FLAG_GRANT_READ_URI_PERMISSION |
| 5534 | |Intent.FLAG_GRANT_WRITE_URI_PERMISSION)) == 0) { |
| 5535 | HashMap<Uri, UriPermission> perms |
| 5536 | = mGrantedUriPermissions.get(perm.uid); |
| 5537 | if (perms != null) { |
| 5538 | perms.remove(perm.uri); |
| 5539 | if (perms.size() == 0) { |
| 5540 | mGrantedUriPermissions.remove(perm.uid); |
| 5541 | } |
| 5542 | } |
| 5543 | } |
| 5544 | } |
| 5545 | |
| 5546 | private void removeActivityUriPermissionsLocked(HistoryRecord activity) { |
| 5547 | if (activity.readUriPermissions != null) { |
| 5548 | for (UriPermission perm : activity.readUriPermissions) { |
| 5549 | perm.readActivities.remove(activity); |
| 5550 | if (perm.readActivities.size() == 0 && (perm.globalModeFlags |
| 5551 | &Intent.FLAG_GRANT_READ_URI_PERMISSION) == 0) { |
| 5552 | perm.modeFlags &= ~Intent.FLAG_GRANT_READ_URI_PERMISSION; |
| 5553 | removeUriPermissionIfNeededLocked(perm); |
| 5554 | } |
| 5555 | } |
| 5556 | } |
| 5557 | if (activity.writeUriPermissions != null) { |
| 5558 | for (UriPermission perm : activity.writeUriPermissions) { |
| 5559 | perm.writeActivities.remove(activity); |
| 5560 | if (perm.writeActivities.size() == 0 && (perm.globalModeFlags |
| 5561 | &Intent.FLAG_GRANT_WRITE_URI_PERMISSION) == 0) { |
| 5562 | perm.modeFlags &= ~Intent.FLAG_GRANT_WRITE_URI_PERMISSION; |
| 5563 | removeUriPermissionIfNeededLocked(perm); |
| 5564 | } |
| 5565 | } |
| 5566 | } |
| 5567 | } |
| 5568 | |
| 5569 | private void revokeUriPermissionLocked(int callingUid, Uri uri, |
| 5570 | int modeFlags) { |
| 5571 | modeFlags &= (Intent.FLAG_GRANT_READ_URI_PERMISSION |
| 5572 | | Intent.FLAG_GRANT_WRITE_URI_PERMISSION); |
| 5573 | if (modeFlags == 0) { |
| 5574 | return; |
| 5575 | } |
| 5576 | |
| 5577 | final IPackageManager pm = ActivityThread.getPackageManager(); |
| 5578 | |
| 5579 | final String authority = uri.getAuthority(); |
| 5580 | ProviderInfo pi = null; |
| 5581 | ContentProviderRecord cpr |
| 5582 | = (ContentProviderRecord)mProvidersByName.get(authority); |
| 5583 | if (cpr != null) { |
| 5584 | pi = cpr.info; |
| 5585 | } else { |
| 5586 | try { |
| 5587 | pi = pm.resolveContentProvider(authority, |
| 5588 | PackageManager.GET_URI_PERMISSION_PATTERNS); |
| 5589 | } catch (RemoteException ex) { |
| 5590 | } |
| 5591 | } |
| 5592 | if (pi == null) { |
| 5593 | Log.w(TAG, "No content provider found for: " + authority); |
| 5594 | return; |
| 5595 | } |
| 5596 | |
| 5597 | // Does the caller have this permission on the URI? |
| 5598 | if (!checkHoldingPermissionsLocked(pm, pi, callingUid, modeFlags)) { |
| 5599 | // Right now, if you are not the original owner of the permission, |
| 5600 | // you are not allowed to revoke it. |
| 5601 | //if (!checkUriPermissionLocked(uri, callingUid, modeFlags)) { |
| 5602 | throw new SecurityException("Uid " + callingUid |
| 5603 | + " does not have permission to uri " + uri); |
| 5604 | //} |
| 5605 | } |
| 5606 | |
| 5607 | // Go through all of the permissions and remove any that match. |
| 5608 | final List<String> SEGMENTS = uri.getPathSegments(); |
| 5609 | if (SEGMENTS != null) { |
| 5610 | final int NS = SEGMENTS.size(); |
| 5611 | int N = mGrantedUriPermissions.size(); |
| 5612 | for (int i=0; i<N; i++) { |
| 5613 | HashMap<Uri, UriPermission> perms |
| 5614 | = mGrantedUriPermissions.valueAt(i); |
| 5615 | Iterator<UriPermission> it = perms.values().iterator(); |
| 5616 | toploop: |
| 5617 | while (it.hasNext()) { |
| 5618 | UriPermission perm = it.next(); |
| 5619 | Uri targetUri = perm.uri; |
| 5620 | if (!authority.equals(targetUri.getAuthority())) { |
| 5621 | continue; |
| 5622 | } |
| 5623 | List<String> targetSegments = targetUri.getPathSegments(); |
| 5624 | if (targetSegments == null) { |
| 5625 | continue; |
| 5626 | } |
| 5627 | if (targetSegments.size() < NS) { |
| 5628 | continue; |
| 5629 | } |
| 5630 | for (int j=0; j<NS; j++) { |
| 5631 | if (!SEGMENTS.get(j).equals(targetSegments.get(j))) { |
| 5632 | continue toploop; |
| 5633 | } |
| 5634 | } |
| 5635 | perm.clearModes(modeFlags); |
| 5636 | if (perm.modeFlags == 0) { |
| 5637 | it.remove(); |
| 5638 | } |
| 5639 | } |
| 5640 | if (perms.size() == 0) { |
| 5641 | mGrantedUriPermissions.remove( |
| 5642 | mGrantedUriPermissions.keyAt(i)); |
| 5643 | N--; |
| 5644 | i--; |
| 5645 | } |
| 5646 | } |
| 5647 | } |
| 5648 | } |
| 5649 | |
| 5650 | public void revokeUriPermission(IApplicationThread caller, Uri uri, |
| 5651 | int modeFlags) { |
| 5652 | synchronized(this) { |
| 5653 | final ProcessRecord r = getRecordForAppLocked(caller); |
| 5654 | if (r == null) { |
| 5655 | throw new SecurityException("Unable to find app for caller " |
| 5656 | + caller |
| 5657 | + " when revoking permission to uri " + uri); |
| 5658 | } |
| 5659 | if (uri == null) { |
| 5660 | Log.w(TAG, "revokeUriPermission: null uri"); |
| 5661 | return; |
| 5662 | } |
| 5663 | |
| 5664 | modeFlags &= (Intent.FLAG_GRANT_READ_URI_PERMISSION |
| 5665 | | Intent.FLAG_GRANT_WRITE_URI_PERMISSION); |
| 5666 | if (modeFlags == 0) { |
| 5667 | return; |
| 5668 | } |
| 5669 | |
| 5670 | final IPackageManager pm = ActivityThread.getPackageManager(); |
| 5671 | |
| 5672 | final String authority = uri.getAuthority(); |
| 5673 | ProviderInfo pi = null; |
| 5674 | ContentProviderRecord cpr |
| 5675 | = (ContentProviderRecord)mProvidersByName.get(authority); |
| 5676 | if (cpr != null) { |
| 5677 | pi = cpr.info; |
| 5678 | } else { |
| 5679 | try { |
| 5680 | pi = pm.resolveContentProvider(authority, |
| 5681 | PackageManager.GET_URI_PERMISSION_PATTERNS); |
| 5682 | } catch (RemoteException ex) { |
| 5683 | } |
| 5684 | } |
| 5685 | if (pi == null) { |
| 5686 | Log.w(TAG, "No content provider found for: " + authority); |
| 5687 | return; |
| 5688 | } |
| 5689 | |
| 5690 | revokeUriPermissionLocked(r.info.uid, uri, modeFlags); |
| 5691 | } |
| 5692 | } |
| 5693 | |
| 5694 | public void showWaitingForDebugger(IApplicationThread who, boolean waiting) { |
| 5695 | synchronized (this) { |
| 5696 | ProcessRecord app = |
| 5697 | who != null ? getRecordForAppLocked(who) : null; |
| 5698 | if (app == null) return; |
| 5699 | |
| 5700 | Message msg = Message.obtain(); |
| 5701 | msg.what = WAIT_FOR_DEBUGGER_MSG; |
| 5702 | msg.obj = app; |
| 5703 | msg.arg1 = waiting ? 1 : 0; |
| 5704 | mHandler.sendMessage(msg); |
| 5705 | } |
| 5706 | } |
| 5707 | |
| 5708 | public void getMemoryInfo(ActivityManager.MemoryInfo outInfo) { |
| 5709 | outInfo.availMem = Process.getFreeMemory(); |
The Android Open Source Project | 4df2423 | 2009-03-05 14:34:35 -0800 | [diff] [blame] | 5710 | outInfo.threshold = HOME_APP_MEM; |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 5711 | outInfo.lowMemory = outInfo.availMem < |
The Android Open Source Project | 4df2423 | 2009-03-05 14:34:35 -0800 | [diff] [blame] | 5712 | (HOME_APP_MEM + ((HIDDEN_APP_MEM-HOME_APP_MEM)/2)); |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 5713 | } |
| 5714 | |
| 5715 | // ========================================================= |
| 5716 | // TASK MANAGEMENT |
| 5717 | // ========================================================= |
| 5718 | |
| 5719 | public List getTasks(int maxNum, int flags, |
| 5720 | IThumbnailReceiver receiver) { |
| 5721 | ArrayList list = new ArrayList(); |
| 5722 | |
| 5723 | PendingThumbnailsRecord pending = null; |
| 5724 | IApplicationThread topThumbnail = null; |
| 5725 | HistoryRecord topRecord = null; |
| 5726 | |
| 5727 | synchronized(this) { |
| 5728 | if (localLOGV) Log.v( |
| 5729 | TAG, "getTasks: max=" + maxNum + ", flags=" + flags |
| 5730 | + ", receiver=" + receiver); |
| 5731 | |
| 5732 | if (checkCallingPermission(android.Manifest.permission.GET_TASKS) |
| 5733 | != PackageManager.PERMISSION_GRANTED) { |
| 5734 | if (receiver != null) { |
| 5735 | // If the caller wants to wait for pending thumbnails, |
| 5736 | // it ain't gonna get them. |
| 5737 | try { |
| 5738 | receiver.finished(); |
| 5739 | } catch (RemoteException ex) { |
| 5740 | } |
| 5741 | } |
| 5742 | String msg = "Permission Denial: getTasks() from pid=" |
| 5743 | + Binder.getCallingPid() |
| 5744 | + ", uid=" + Binder.getCallingUid() |
| 5745 | + " requires " + android.Manifest.permission.GET_TASKS; |
| 5746 | Log.w(TAG, msg); |
| 5747 | throw new SecurityException(msg); |
| 5748 | } |
| 5749 | |
| 5750 | int pos = mHistory.size()-1; |
| 5751 | HistoryRecord next = |
| 5752 | pos >= 0 ? (HistoryRecord)mHistory.get(pos) : null; |
| 5753 | HistoryRecord top = null; |
| 5754 | CharSequence topDescription = null; |
| 5755 | TaskRecord curTask = null; |
| 5756 | int numActivities = 0; |
| 5757 | int numRunning = 0; |
| 5758 | while (pos >= 0 && maxNum > 0) { |
| 5759 | final HistoryRecord r = next; |
| 5760 | pos--; |
| 5761 | next = pos >= 0 ? (HistoryRecord)mHistory.get(pos) : null; |
| 5762 | |
| 5763 | // Initialize state for next task if needed. |
| 5764 | if (top == null || |
| 5765 | (top.state == ActivityState.INITIALIZING |
| 5766 | && top.task == r.task)) { |
| 5767 | top = r; |
| 5768 | topDescription = r.description; |
| 5769 | curTask = r.task; |
| 5770 | numActivities = numRunning = 0; |
| 5771 | } |
| 5772 | |
| 5773 | // Add 'r' into the current task. |
| 5774 | numActivities++; |
| 5775 | if (r.app != null && r.app.thread != null) { |
| 5776 | numRunning++; |
| 5777 | } |
| 5778 | if (topDescription == null) { |
| 5779 | topDescription = r.description; |
| 5780 | } |
| 5781 | |
| 5782 | if (localLOGV) Log.v( |
| 5783 | TAG, r.intent.getComponent().flattenToShortString() |
| 5784 | + ": task=" + r.task); |
| 5785 | |
| 5786 | // If the next one is a different task, generate a new |
| 5787 | // TaskInfo entry for what we have. |
| 5788 | if (next == null || next.task != curTask) { |
| 5789 | ActivityManager.RunningTaskInfo ci |
| 5790 | = new ActivityManager.RunningTaskInfo(); |
| 5791 | ci.id = curTask.taskId; |
| 5792 | ci.baseActivity = r.intent.getComponent(); |
| 5793 | ci.topActivity = top.intent.getComponent(); |
| 5794 | ci.thumbnail = top.thumbnail; |
| 5795 | ci.description = topDescription; |
| 5796 | ci.numActivities = numActivities; |
| 5797 | ci.numRunning = numRunning; |
| 5798 | //System.out.println( |
| 5799 | // "#" + maxNum + ": " + " descr=" + ci.description); |
| 5800 | if (ci.thumbnail == null && receiver != null) { |
| 5801 | if (localLOGV) Log.v( |
| 5802 | TAG, "State=" + top.state + "Idle=" + top.idle |
| 5803 | + " app=" + top.app |
| 5804 | + " thr=" + (top.app != null ? top.app.thread : null)); |
| 5805 | if (top.state == ActivityState.RESUMED |
| 5806 | || top.state == ActivityState.PAUSING) { |
| 5807 | if (top.idle && top.app != null |
| 5808 | && top.app.thread != null) { |
| 5809 | topRecord = top; |
| 5810 | topThumbnail = top.app.thread; |
| 5811 | } else { |
| 5812 | top.thumbnailNeeded = true; |
| 5813 | } |
| 5814 | } |
| 5815 | if (pending == null) { |
| 5816 | pending = new PendingThumbnailsRecord(receiver); |
| 5817 | } |
| 5818 | pending.pendingRecords.add(top); |
| 5819 | } |
| 5820 | list.add(ci); |
| 5821 | maxNum--; |
| 5822 | top = null; |
| 5823 | } |
| 5824 | } |
| 5825 | |
| 5826 | if (pending != null) { |
| 5827 | mPendingThumbnails.add(pending); |
| 5828 | } |
| 5829 | } |
| 5830 | |
| 5831 | if (localLOGV) Log.v(TAG, "We have pending thumbnails: " + pending); |
| 5832 | |
| 5833 | if (topThumbnail != null) { |
| 5834 | if (localLOGV) Log.v(TAG, "Requesting top thumbnail"); |
| 5835 | try { |
| 5836 | topThumbnail.requestThumbnail(topRecord); |
| 5837 | } catch (Exception e) { |
| 5838 | Log.w(TAG, "Exception thrown when requesting thumbnail", e); |
| 5839 | sendPendingThumbnail(null, topRecord, null, null, true); |
| 5840 | } |
| 5841 | } |
| 5842 | |
| 5843 | if (pending == null && receiver != null) { |
| 5844 | // In this case all thumbnails were available and the client |
| 5845 | // is being asked to be told when the remaining ones come in... |
| 5846 | // which is unusually, since the top-most currently running |
| 5847 | // activity should never have a canned thumbnail! Oh well. |
| 5848 | try { |
| 5849 | receiver.finished(); |
| 5850 | } catch (RemoteException ex) { |
| 5851 | } |
| 5852 | } |
| 5853 | |
| 5854 | return list; |
| 5855 | } |
| 5856 | |
| 5857 | public List<ActivityManager.RecentTaskInfo> getRecentTasks(int maxNum, |
| 5858 | int flags) { |
| 5859 | synchronized (this) { |
| 5860 | enforceCallingPermission(android.Manifest.permission.GET_TASKS, |
| 5861 | "getRecentTasks()"); |
| 5862 | |
| 5863 | final int N = mRecentTasks.size(); |
| 5864 | ArrayList<ActivityManager.RecentTaskInfo> res |
| 5865 | = new ArrayList<ActivityManager.RecentTaskInfo>( |
| 5866 | maxNum < N ? maxNum : N); |
| 5867 | for (int i=0; i<N && maxNum > 0; i++) { |
| 5868 | TaskRecord tr = mRecentTasks.get(i); |
| 5869 | if (((flags&ActivityManager.RECENT_WITH_EXCLUDED) != 0) |
| 5870 | || (tr.intent == null) |
| 5871 | || ((tr.intent.getFlags() |
| 5872 | &Intent.FLAG_ACTIVITY_EXCLUDE_FROM_RECENTS) == 0)) { |
| 5873 | ActivityManager.RecentTaskInfo rti |
| 5874 | = new ActivityManager.RecentTaskInfo(); |
| 5875 | rti.id = tr.numActivities > 0 ? tr.taskId : -1; |
| 5876 | rti.baseIntent = new Intent( |
| 5877 | tr.intent != null ? tr.intent : tr.affinityIntent); |
| 5878 | rti.origActivity = tr.origActivity; |
| 5879 | res.add(rti); |
| 5880 | maxNum--; |
| 5881 | } |
| 5882 | } |
| 5883 | return res; |
| 5884 | } |
| 5885 | } |
| 5886 | |
| 5887 | private final int findAffinityTaskTopLocked(int startIndex, String affinity) { |
| 5888 | int j; |
| 5889 | TaskRecord startTask = ((HistoryRecord)mHistory.get(startIndex)).task; |
| 5890 | TaskRecord jt = startTask; |
| 5891 | |
| 5892 | // First look backwards |
| 5893 | for (j=startIndex-1; j>=0; j--) { |
| 5894 | HistoryRecord r = (HistoryRecord)mHistory.get(j); |
| 5895 | if (r.task != jt) { |
| 5896 | jt = r.task; |
| 5897 | if (affinity.equals(jt.affinity)) { |
| 5898 | return j; |
| 5899 | } |
| 5900 | } |
| 5901 | } |
| 5902 | |
| 5903 | // Now look forwards |
| 5904 | final int N = mHistory.size(); |
| 5905 | jt = startTask; |
| 5906 | for (j=startIndex+1; j<N; j++) { |
| 5907 | HistoryRecord r = (HistoryRecord)mHistory.get(j); |
| 5908 | if (r.task != jt) { |
| 5909 | if (affinity.equals(jt.affinity)) { |
| 5910 | return j; |
| 5911 | } |
| 5912 | jt = r.task; |
| 5913 | } |
| 5914 | } |
| 5915 | |
| 5916 | // Might it be at the top? |
| 5917 | if (affinity.equals(((HistoryRecord)mHistory.get(N-1)).task.affinity)) { |
| 5918 | return N-1; |
| 5919 | } |
| 5920 | |
| 5921 | return -1; |
| 5922 | } |
| 5923 | |
| 5924 | /** |
| 5925 | * Perform a reset of the given task, if needed as part of launching it. |
| 5926 | * Returns the new HistoryRecord at the top of the task. |
| 5927 | */ |
| 5928 | private final HistoryRecord resetTaskIfNeededLocked(HistoryRecord taskTop, |
| 5929 | HistoryRecord newActivity) { |
| 5930 | boolean forceReset = (newActivity.info.flags |
| 5931 | &ActivityInfo.FLAG_CLEAR_TASK_ON_LAUNCH) != 0; |
| 5932 | if (taskTop.task.getInactiveDuration() > ACTIVITY_INACTIVE_RESET_TIME) { |
| 5933 | if ((newActivity.info.flags |
| 5934 | &ActivityInfo.FLAG_ALWAYS_RETAIN_TASK_STATE) == 0) { |
| 5935 | forceReset = true; |
| 5936 | } |
| 5937 | } |
| 5938 | |
| 5939 | final TaskRecord task = taskTop.task; |
| 5940 | |
| 5941 | // We are going to move through the history list so that we can look |
| 5942 | // at each activity 'target' with 'below' either the interesting |
| 5943 | // activity immediately below it in the stack or null. |
| 5944 | HistoryRecord target = null; |
| 5945 | int targetI = 0; |
| 5946 | int taskTopI = -1; |
| 5947 | int replyChainEnd = -1; |
| 5948 | int lastReparentPos = -1; |
| 5949 | for (int i=mHistory.size()-1; i>=-1; i--) { |
| 5950 | HistoryRecord below = i >= 0 ? (HistoryRecord)mHistory.get(i) : null; |
| 5951 | |
| 5952 | if (below != null && below.finishing) { |
| 5953 | continue; |
| 5954 | } |
| 5955 | if (target == null) { |
| 5956 | target = below; |
| 5957 | targetI = i; |
| 5958 | // If we were in the middle of a reply chain before this |
| 5959 | // task, it doesn't appear like the root of the chain wants |
| 5960 | // anything interesting, so drop it. |
| 5961 | replyChainEnd = -1; |
| 5962 | continue; |
| 5963 | } |
| 5964 | |
| 5965 | final int flags = target.info.flags; |
| 5966 | |
| 5967 | final boolean finishOnTaskLaunch = |
| 5968 | (flags&ActivityInfo.FLAG_FINISH_ON_TASK_LAUNCH) != 0; |
| 5969 | final boolean allowTaskReparenting = |
| 5970 | (flags&ActivityInfo.FLAG_ALLOW_TASK_REPARENTING) != 0; |
| 5971 | |
| 5972 | if (target.task == task) { |
| 5973 | // We are inside of the task being reset... we'll either |
| 5974 | // finish this activity, push it out for another task, |
| 5975 | // or leave it as-is. We only do this |
| 5976 | // for activities that are not the root of the task (since |
| 5977 | // if we finish the root, we may no longer have the task!). |
| 5978 | if (taskTopI < 0) { |
| 5979 | taskTopI = targetI; |
| 5980 | } |
| 5981 | if (below != null && below.task == task) { |
| 5982 | final boolean clearWhenTaskReset = |
| 5983 | (target.intent.getFlags() |
| 5984 | &Intent.FLAG_ACTIVITY_CLEAR_WHEN_TASK_RESET) != 0; |
| 5985 | if (!finishOnTaskLaunch && target.resultTo != null) { |
| 5986 | // If this activity is sending a reply to a previous |
| 5987 | // activity, we can't do anything with it now until |
| 5988 | // we reach the start of the reply chain. |
| 5989 | // XXX note that we are assuming the result is always |
| 5990 | // to the previous activity, which is almost always |
| 5991 | // the case but we really shouldn't count on. |
| 5992 | if (replyChainEnd < 0) { |
| 5993 | replyChainEnd = targetI; |
| 5994 | } |
| 5995 | } else if (!finishOnTaskLaunch && allowTaskReparenting |
| 5996 | && target.taskAffinity != null |
| 5997 | && !target.taskAffinity.equals(task.affinity)) { |
| 5998 | // If this activity has an affinity for another |
| 5999 | // task, then we need to move it out of here. We will |
| 6000 | // move it as far out of the way as possible, to the |
| 6001 | // bottom of the activity stack. This also keeps it |
| 6002 | // correctly ordered with any activities we previously |
| 6003 | // moved. |
| 6004 | HistoryRecord p = (HistoryRecord)mHistory.get(0); |
| 6005 | if (target.taskAffinity != null |
| 6006 | && target.taskAffinity.equals(p.task.affinity)) { |
| 6007 | // If the activity currently at the bottom has the |
| 6008 | // same task affinity as the one we are moving, |
| 6009 | // then merge it into the same task. |
| 6010 | target.task = p.task; |
| 6011 | if (DEBUG_TASKS) Log.v(TAG, "Start pushing activity " + target |
| 6012 | + " out to bottom task " + p.task); |
| 6013 | } else { |
| 6014 | mCurTask++; |
| 6015 | if (mCurTask <= 0) { |
| 6016 | mCurTask = 1; |
| 6017 | } |
| 6018 | target.task = new TaskRecord(mCurTask, target.info, null, |
| 6019 | (target.info.flags&ActivityInfo.FLAG_CLEAR_TASK_ON_LAUNCH) != 0); |
| 6020 | target.task.affinityIntent = target.intent; |
| 6021 | if (DEBUG_TASKS) Log.v(TAG, "Start pushing activity " + target |
| 6022 | + " out to new task " + target.task); |
| 6023 | } |
| 6024 | mWindowManager.setAppGroupId(target, task.taskId); |
| 6025 | if (replyChainEnd < 0) { |
| 6026 | replyChainEnd = targetI; |
| 6027 | } |
| 6028 | int dstPos = 0; |
| 6029 | for (int srcPos=targetI; srcPos<=replyChainEnd; srcPos++) { |
| 6030 | p = (HistoryRecord)mHistory.get(srcPos); |
| 6031 | if (p.finishing) { |
| 6032 | continue; |
| 6033 | } |
| 6034 | if (DEBUG_TASKS) Log.v(TAG, "Pushing next activity " + p |
| 6035 | + " out to target's task " + target.task); |
| 6036 | task.numActivities--; |
| 6037 | p.task = target.task; |
| 6038 | target.task.numActivities++; |
| 6039 | mHistory.remove(srcPos); |
| 6040 | mHistory.add(dstPos, p); |
| 6041 | mWindowManager.moveAppToken(dstPos, p); |
| 6042 | mWindowManager.setAppGroupId(p, p.task.taskId); |
| 6043 | dstPos++; |
| 6044 | if (VALIDATE_TOKENS) { |
| 6045 | mWindowManager.validateAppTokens(mHistory); |
| 6046 | } |
| 6047 | i++; |
| 6048 | } |
| 6049 | if (taskTop == p) { |
| 6050 | taskTop = below; |
| 6051 | } |
| 6052 | if (taskTopI == replyChainEnd) { |
| 6053 | taskTopI = -1; |
| 6054 | } |
| 6055 | replyChainEnd = -1; |
| 6056 | addRecentTask(target.task); |
| 6057 | } else if (forceReset || finishOnTaskLaunch |
| 6058 | || clearWhenTaskReset) { |
| 6059 | // If the activity should just be removed -- either |
| 6060 | // because it asks for it, or the task should be |
| 6061 | // cleared -- then finish it and anything that is |
| 6062 | // part of its reply chain. |
| 6063 | if (clearWhenTaskReset) { |
| 6064 | // In this case, we want to finish this activity |
| 6065 | // and everything above it, so be sneaky and pretend |
| 6066 | // like these are all in the reply chain. |
| 6067 | replyChainEnd = targetI+1; |
| 6068 | while (replyChainEnd < mHistory.size() && |
| 6069 | ((HistoryRecord)mHistory.get( |
| 6070 | replyChainEnd)).task == task) { |
| 6071 | replyChainEnd++; |
| 6072 | } |
| 6073 | replyChainEnd--; |
| 6074 | } else if (replyChainEnd < 0) { |
| 6075 | replyChainEnd = targetI; |
| 6076 | } |
| 6077 | HistoryRecord p = null; |
| 6078 | for (int srcPos=targetI; srcPos<=replyChainEnd; srcPos++) { |
| 6079 | p = (HistoryRecord)mHistory.get(srcPos); |
| 6080 | if (p.finishing) { |
| 6081 | continue; |
| 6082 | } |
| 6083 | if (finishActivityLocked(p, srcPos, |
| 6084 | Activity.RESULT_CANCELED, null, "reset")) { |
| 6085 | replyChainEnd--; |
| 6086 | srcPos--; |
| 6087 | } |
| 6088 | } |
| 6089 | if (taskTop == p) { |
| 6090 | taskTop = below; |
| 6091 | } |
| 6092 | if (taskTopI == replyChainEnd) { |
| 6093 | taskTopI = -1; |
| 6094 | } |
| 6095 | replyChainEnd = -1; |
| 6096 | } else { |
| 6097 | // If we were in the middle of a chain, well the |
| 6098 | // activity that started it all doesn't want anything |
| 6099 | // special, so leave it all as-is. |
| 6100 | replyChainEnd = -1; |
| 6101 | } |
| 6102 | } else { |
| 6103 | // Reached the bottom of the task -- any reply chain |
| 6104 | // should be left as-is. |
| 6105 | replyChainEnd = -1; |
| 6106 | } |
| 6107 | |
| 6108 | } else if (target.resultTo != null) { |
| 6109 | // If this activity is sending a reply to a previous |
| 6110 | // activity, we can't do anything with it now until |
| 6111 | // we reach the start of the reply chain. |
| 6112 | // XXX note that we are assuming the result is always |
| 6113 | // to the previous activity, which is almost always |
| 6114 | // the case but we really shouldn't count on. |
| 6115 | if (replyChainEnd < 0) { |
| 6116 | replyChainEnd = targetI; |
| 6117 | } |
| 6118 | |
| 6119 | } else if (taskTopI >= 0 && allowTaskReparenting |
| 6120 | && task.affinity != null |
| 6121 | && task.affinity.equals(target.taskAffinity)) { |
| 6122 | // We are inside of another task... if this activity has |
| 6123 | // an affinity for our task, then either remove it if we are |
| 6124 | // clearing or move it over to our task. Note that |
| 6125 | // we currently punt on the case where we are resetting a |
| 6126 | // task that is not at the top but who has activities above |
| 6127 | // with an affinity to it... this is really not a normal |
| 6128 | // case, and we will need to later pull that task to the front |
| 6129 | // and usually at that point we will do the reset and pick |
| 6130 | // up those remaining activities. (This only happens if |
| 6131 | // someone starts an activity in a new task from an activity |
| 6132 | // in a task that is not currently on top.) |
| 6133 | if (forceReset || finishOnTaskLaunch) { |
| 6134 | if (replyChainEnd < 0) { |
| 6135 | replyChainEnd = targetI; |
| 6136 | } |
| 6137 | HistoryRecord p = null; |
| 6138 | for (int srcPos=targetI; srcPos<=replyChainEnd; srcPos++) { |
| 6139 | p = (HistoryRecord)mHistory.get(srcPos); |
| 6140 | if (p.finishing) { |
| 6141 | continue; |
| 6142 | } |
| 6143 | if (finishActivityLocked(p, srcPos, |
| 6144 | Activity.RESULT_CANCELED, null, "reset")) { |
| 6145 | taskTopI--; |
| 6146 | lastReparentPos--; |
| 6147 | replyChainEnd--; |
| 6148 | srcPos--; |
| 6149 | } |
| 6150 | } |
| 6151 | replyChainEnd = -1; |
| 6152 | } else { |
| 6153 | if (replyChainEnd < 0) { |
| 6154 | replyChainEnd = targetI; |
| 6155 | } |
| 6156 | for (int srcPos=replyChainEnd; srcPos>=targetI; srcPos--) { |
| 6157 | HistoryRecord p = (HistoryRecord)mHistory.get(srcPos); |
| 6158 | if (p.finishing) { |
| 6159 | continue; |
| 6160 | } |
| 6161 | if (lastReparentPos < 0) { |
| 6162 | lastReparentPos = taskTopI; |
| 6163 | taskTop = p; |
| 6164 | } else { |
| 6165 | lastReparentPos--; |
| 6166 | } |
| 6167 | mHistory.remove(srcPos); |
| 6168 | p.task.numActivities--; |
| 6169 | p.task = task; |
| 6170 | mHistory.add(lastReparentPos, p); |
| 6171 | if (DEBUG_TASKS) Log.v(TAG, "Pulling activity " + p |
| 6172 | + " in to resetting task " + task); |
| 6173 | task.numActivities++; |
| 6174 | mWindowManager.moveAppToken(lastReparentPos, p); |
| 6175 | mWindowManager.setAppGroupId(p, p.task.taskId); |
| 6176 | if (VALIDATE_TOKENS) { |
| 6177 | mWindowManager.validateAppTokens(mHistory); |
| 6178 | } |
| 6179 | } |
| 6180 | replyChainEnd = -1; |
| 6181 | |
| 6182 | // Now we've moved it in to place... but what if this is |
| 6183 | // a singleTop activity and we have put it on top of another |
| 6184 | // instance of the same activity? Then we drop the instance |
| 6185 | // below so it remains singleTop. |
| 6186 | if (target.info.launchMode == ActivityInfo.LAUNCH_SINGLE_TOP) { |
| 6187 | for (int j=lastReparentPos-1; j>=0; j--) { |
| 6188 | HistoryRecord p = (HistoryRecord)mHistory.get(j); |
| 6189 | if (p.finishing) { |
| 6190 | continue; |
| 6191 | } |
| 6192 | if (p.intent.getComponent().equals(target.intent.getComponent())) { |
| 6193 | if (finishActivityLocked(p, j, |
| 6194 | Activity.RESULT_CANCELED, null, "replace")) { |
| 6195 | taskTopI--; |
| 6196 | lastReparentPos--; |
| 6197 | } |
| 6198 | } |
| 6199 | } |
| 6200 | } |
| 6201 | } |
| 6202 | } |
| 6203 | |
| 6204 | target = below; |
| 6205 | targetI = i; |
| 6206 | } |
| 6207 | |
| 6208 | return taskTop; |
| 6209 | } |
| 6210 | |
| 6211 | /** |
| 6212 | * TODO: Add mWatcher hook |
| 6213 | */ |
| 6214 | public void moveTaskToFront(int task) { |
| 6215 | enforceCallingPermission(android.Manifest.permission.REORDER_TASKS, |
| 6216 | "moveTaskToFront()"); |
| 6217 | |
| 6218 | synchronized(this) { |
| 6219 | final long origId = Binder.clearCallingIdentity(); |
| 6220 | try { |
| 6221 | int N = mRecentTasks.size(); |
| 6222 | for (int i=0; i<N; i++) { |
| 6223 | TaskRecord tr = mRecentTasks.get(i); |
| 6224 | if (tr.taskId == task) { |
| 6225 | moveTaskToFrontLocked(tr); |
| 6226 | return; |
| 6227 | } |
| 6228 | } |
| 6229 | for (int i=mHistory.size()-1; i>=0; i--) { |
| 6230 | HistoryRecord hr = (HistoryRecord)mHistory.get(i); |
| 6231 | if (hr.task.taskId == task) { |
| 6232 | moveTaskToFrontLocked(hr.task); |
| 6233 | return; |
| 6234 | } |
| 6235 | } |
| 6236 | } finally { |
| 6237 | Binder.restoreCallingIdentity(origId); |
| 6238 | } |
| 6239 | } |
| 6240 | } |
| 6241 | |
| 6242 | private final void moveTaskToFrontLocked(TaskRecord tr) { |
| 6243 | if (DEBUG_SWITCH) Log.v(TAG, "moveTaskToFront: " + tr); |
| 6244 | |
| 6245 | final int task = tr.taskId; |
| 6246 | int top = mHistory.size()-1; |
| 6247 | |
| 6248 | if (top < 0 || ((HistoryRecord)mHistory.get(top)).task.taskId == task) { |
| 6249 | // nothing to do! |
| 6250 | return; |
| 6251 | } |
| 6252 | |
| 6253 | if (DEBUG_TRANSITION) Log.v(TAG, |
| 6254 | "Prepare to front transition: task=" + tr); |
| 6255 | mWindowManager.prepareAppTransition(WindowManagerPolicy.TRANSIT_TASK_TO_FRONT); |
| 6256 | |
| 6257 | ArrayList moved = new ArrayList(); |
| 6258 | |
| 6259 | // Applying the affinities may have removed entries from the history, |
| 6260 | // so get the size again. |
| 6261 | top = mHistory.size()-1; |
| 6262 | int pos = top; |
| 6263 | |
| 6264 | // Shift all activities with this task up to the top |
| 6265 | // of the stack, keeping them in the same internal order. |
| 6266 | while (pos >= 0) { |
| 6267 | HistoryRecord r = (HistoryRecord)mHistory.get(pos); |
| 6268 | if (localLOGV) Log.v( |
| 6269 | TAG, "At " + pos + " ckp " + r.task + ": " + r); |
| 6270 | boolean first = true; |
| 6271 | if (r.task.taskId == task) { |
| 6272 | if (localLOGV) Log.v(TAG, "Removing and adding at " + top); |
| 6273 | mHistory.remove(pos); |
| 6274 | mHistory.add(top, r); |
| 6275 | moved.add(0, r); |
| 6276 | top--; |
| 6277 | if (first) { |
| 6278 | addRecentTask(r.task); |
| 6279 | first = false; |
| 6280 | } |
| 6281 | } |
| 6282 | pos--; |
| 6283 | } |
| 6284 | |
| 6285 | mWindowManager.moveAppTokensToTop(moved); |
| 6286 | if (VALIDATE_TOKENS) { |
| 6287 | mWindowManager.validateAppTokens(mHistory); |
| 6288 | } |
| 6289 | |
| 6290 | finishTaskMove(task); |
| 6291 | EventLog.writeEvent(LOG_TASK_TO_FRONT, task); |
| 6292 | } |
| 6293 | |
| 6294 | private final void finishTaskMove(int task) { |
| 6295 | resumeTopActivityLocked(null); |
| 6296 | } |
| 6297 | |
| 6298 | public void moveTaskToBack(int task) { |
| 6299 | enforceCallingPermission(android.Manifest.permission.REORDER_TASKS, |
| 6300 | "moveTaskToBack()"); |
| 6301 | |
| 6302 | synchronized(this) { |
| 6303 | final long origId = Binder.clearCallingIdentity(); |
| 6304 | moveTaskToBackLocked(task); |
| 6305 | Binder.restoreCallingIdentity(origId); |
| 6306 | } |
| 6307 | } |
| 6308 | |
| 6309 | /** |
| 6310 | * Moves an activity, and all of the other activities within the same task, to the bottom |
| 6311 | * of the history stack. The activity's order within the task is unchanged. |
| 6312 | * |
| 6313 | * @param token A reference to the activity we wish to move |
| 6314 | * @param nonRoot If false then this only works if the activity is the root |
| 6315 | * of a task; if true it will work for any activity in a task. |
| 6316 | * @return Returns true if the move completed, false if not. |
| 6317 | */ |
| 6318 | public boolean moveActivityTaskToBack(IBinder token, boolean nonRoot) { |
| 6319 | synchronized(this) { |
| 6320 | final long origId = Binder.clearCallingIdentity(); |
| 6321 | int taskId = getTaskForActivityLocked(token, !nonRoot); |
| 6322 | if (taskId >= 0) { |
| 6323 | return moveTaskToBackLocked(taskId); |
| 6324 | } |
| 6325 | Binder.restoreCallingIdentity(origId); |
| 6326 | } |
| 6327 | return false; |
| 6328 | } |
| 6329 | |
| 6330 | /** |
| 6331 | * Worker method for rearranging history stack. Implements the function of moving all |
| 6332 | * activities for a specific task (gathering them if disjoint) into a single group at the |
| 6333 | * bottom of the stack. |
| 6334 | * |
| 6335 | * If a watcher is installed, the action is preflighted and the watcher has an opportunity |
| 6336 | * to premeptively cancel the move. |
| 6337 | * |
| 6338 | * @param task The taskId to collect and move to the bottom. |
| 6339 | * @return Returns true if the move completed, false if not. |
| 6340 | */ |
| 6341 | private final boolean moveTaskToBackLocked(int task) { |
| 6342 | Log.i(TAG, "moveTaskToBack: " + task); |
| 6343 | |
| 6344 | // If we have a watcher, preflight the move before committing to it. First check |
| 6345 | // for *other* available tasks, but if none are available, then try again allowing the |
| 6346 | // current task to be selected. |
| 6347 | if (mWatcher != null) { |
| 6348 | HistoryRecord next = topRunningActivityLocked(null, task); |
| 6349 | if (next == null) { |
| 6350 | next = topRunningActivityLocked(null, 0); |
| 6351 | } |
| 6352 | if (next != null) { |
| 6353 | // ask watcher if this is allowed |
| 6354 | boolean moveOK = true; |
| 6355 | try { |
| 6356 | moveOK = mWatcher.activityResuming(next.packageName); |
| 6357 | } catch (RemoteException e) { |
| 6358 | mWatcher = null; |
| 6359 | } |
| 6360 | if (!moveOK) { |
| 6361 | return false; |
| 6362 | } |
| 6363 | } |
| 6364 | } |
| 6365 | |
| 6366 | ArrayList moved = new ArrayList(); |
| 6367 | |
| 6368 | if (DEBUG_TRANSITION) Log.v(TAG, |
| 6369 | "Prepare to back transition: task=" + task); |
| 6370 | mWindowManager.prepareAppTransition(WindowManagerPolicy.TRANSIT_TASK_TO_BACK); |
| 6371 | |
| 6372 | final int N = mHistory.size(); |
| 6373 | int bottom = 0; |
| 6374 | int pos = 0; |
| 6375 | |
| 6376 | // Shift all activities with this task down to the bottom |
| 6377 | // of the stack, keeping them in the same internal order. |
| 6378 | while (pos < N) { |
| 6379 | HistoryRecord r = (HistoryRecord)mHistory.get(pos); |
| 6380 | if (localLOGV) Log.v( |
| 6381 | TAG, "At " + pos + " ckp " + r.task + ": " + r); |
| 6382 | if (r.task.taskId == task) { |
| 6383 | if (localLOGV) Log.v(TAG, "Removing and adding at " + (N-1)); |
| 6384 | mHistory.remove(pos); |
| 6385 | mHistory.add(bottom, r); |
| 6386 | moved.add(r); |
| 6387 | bottom++; |
| 6388 | } |
| 6389 | pos++; |
| 6390 | } |
| 6391 | |
| 6392 | mWindowManager.moveAppTokensToBottom(moved); |
| 6393 | if (VALIDATE_TOKENS) { |
| 6394 | mWindowManager.validateAppTokens(mHistory); |
| 6395 | } |
| 6396 | |
| 6397 | finishTaskMove(task); |
| 6398 | return true; |
| 6399 | } |
| 6400 | |
| 6401 | public void moveTaskBackwards(int task) { |
| 6402 | enforceCallingPermission(android.Manifest.permission.REORDER_TASKS, |
| 6403 | "moveTaskBackwards()"); |
| 6404 | |
| 6405 | synchronized(this) { |
| 6406 | final long origId = Binder.clearCallingIdentity(); |
| 6407 | moveTaskBackwardsLocked(task); |
| 6408 | Binder.restoreCallingIdentity(origId); |
| 6409 | } |
| 6410 | } |
| 6411 | |
| 6412 | private final void moveTaskBackwardsLocked(int task) { |
| 6413 | Log.e(TAG, "moveTaskBackwards not yet implemented!"); |
| 6414 | } |
| 6415 | |
| 6416 | public int getTaskForActivity(IBinder token, boolean onlyRoot) { |
| 6417 | synchronized(this) { |
| 6418 | return getTaskForActivityLocked(token, onlyRoot); |
| 6419 | } |
| 6420 | } |
| 6421 | |
| 6422 | int getTaskForActivityLocked(IBinder token, boolean onlyRoot) { |
| 6423 | final int N = mHistory.size(); |
| 6424 | TaskRecord lastTask = null; |
| 6425 | for (int i=0; i<N; i++) { |
| 6426 | HistoryRecord r = (HistoryRecord)mHistory.get(i); |
| 6427 | if (r == token) { |
| 6428 | if (!onlyRoot || lastTask != r.task) { |
| 6429 | return r.task.taskId; |
| 6430 | } |
| 6431 | return -1; |
| 6432 | } |
| 6433 | lastTask = r.task; |
| 6434 | } |
| 6435 | |
| 6436 | return -1; |
| 6437 | } |
| 6438 | |
| 6439 | /** |
| 6440 | * Returns the top activity in any existing task matching the given |
| 6441 | * Intent. Returns null if no such task is found. |
| 6442 | */ |
| 6443 | private HistoryRecord findTaskLocked(Intent intent, ActivityInfo info) { |
| 6444 | ComponentName cls = intent.getComponent(); |
| 6445 | if (info.targetActivity != null) { |
| 6446 | cls = new ComponentName(info.packageName, info.targetActivity); |
| 6447 | } |
| 6448 | |
| 6449 | TaskRecord cp = null; |
| 6450 | |
| 6451 | final int N = mHistory.size(); |
| 6452 | for (int i=(N-1); i>=0; i--) { |
| 6453 | HistoryRecord r = (HistoryRecord)mHistory.get(i); |
| 6454 | if (!r.finishing && r.task != cp |
| 6455 | && r.launchMode != ActivityInfo.LAUNCH_SINGLE_INSTANCE) { |
| 6456 | cp = r.task; |
| 6457 | //Log.i(TAG, "Comparing existing cls=" + r.task.intent.getComponent().flattenToShortString() |
| 6458 | // + "/aff=" + r.task.affinity + " to new cls=" |
| 6459 | // + intent.getComponent().flattenToShortString() + "/aff=" + taskAffinity); |
| 6460 | if (r.task.affinity != null) { |
| 6461 | if (r.task.affinity.equals(info.taskAffinity)) { |
| 6462 | //Log.i(TAG, "Found matching affinity!"); |
| 6463 | return r; |
| 6464 | } |
| 6465 | } else if (r.task.intent != null |
| 6466 | && r.task.intent.getComponent().equals(cls)) { |
| 6467 | //Log.i(TAG, "Found matching class!"); |
| 6468 | //dump(); |
| 6469 | //Log.i(TAG, "For Intent " + intent + " bringing to top: " + r.intent); |
| 6470 | return r; |
| 6471 | } else if (r.task.affinityIntent != null |
| 6472 | && r.task.affinityIntent.getComponent().equals(cls)) { |
| 6473 | //Log.i(TAG, "Found matching class!"); |
| 6474 | //dump(); |
| 6475 | //Log.i(TAG, "For Intent " + intent + " bringing to top: " + r.intent); |
| 6476 | return r; |
| 6477 | } |
| 6478 | } |
| 6479 | } |
| 6480 | |
| 6481 | return null; |
| 6482 | } |
| 6483 | |
| 6484 | /** |
| 6485 | * Returns the first activity (starting from the top of the stack) that |
| 6486 | * is the same as the given activity. Returns null if no such activity |
| 6487 | * is found. |
| 6488 | */ |
| 6489 | private HistoryRecord findActivityLocked(Intent intent, ActivityInfo info) { |
| 6490 | ComponentName cls = intent.getComponent(); |
| 6491 | if (info.targetActivity != null) { |
| 6492 | cls = new ComponentName(info.packageName, info.targetActivity); |
| 6493 | } |
| 6494 | |
| 6495 | final int N = mHistory.size(); |
| 6496 | for (int i=(N-1); i>=0; i--) { |
| 6497 | HistoryRecord r = (HistoryRecord)mHistory.get(i); |
| 6498 | if (!r.finishing) { |
| 6499 | if (r.intent.getComponent().equals(cls)) { |
| 6500 | //Log.i(TAG, "Found matching class!"); |
| 6501 | //dump(); |
| 6502 | //Log.i(TAG, "For Intent " + intent + " bringing to top: " + r.intent); |
| 6503 | return r; |
| 6504 | } |
| 6505 | } |
| 6506 | } |
| 6507 | |
| 6508 | return null; |
| 6509 | } |
| 6510 | |
| 6511 | public void finishOtherInstances(IBinder token, ComponentName className) { |
| 6512 | synchronized(this) { |
| 6513 | final long origId = Binder.clearCallingIdentity(); |
| 6514 | |
| 6515 | int N = mHistory.size(); |
| 6516 | TaskRecord lastTask = null; |
| 6517 | for (int i=0; i<N; i++) { |
| 6518 | HistoryRecord r = (HistoryRecord)mHistory.get(i); |
| 6519 | if (r.realActivity.equals(className) |
| 6520 | && r != token && lastTask != r.task) { |
| 6521 | if (finishActivityLocked(r, i, Activity.RESULT_CANCELED, |
| 6522 | null, "others")) { |
| 6523 | i--; |
| 6524 | N--; |
| 6525 | } |
| 6526 | } |
| 6527 | lastTask = r.task; |
| 6528 | } |
| 6529 | |
| 6530 | Binder.restoreCallingIdentity(origId); |
| 6531 | } |
| 6532 | } |
| 6533 | |
| 6534 | // ========================================================= |
| 6535 | // THUMBNAILS |
| 6536 | // ========================================================= |
| 6537 | |
| 6538 | public void reportThumbnail(IBinder token, |
| 6539 | Bitmap thumbnail, CharSequence description) { |
| 6540 | //System.out.println("Report thumbnail for " + token + ": " + thumbnail); |
| 6541 | final long origId = Binder.clearCallingIdentity(); |
| 6542 | sendPendingThumbnail(null, token, thumbnail, description, true); |
| 6543 | Binder.restoreCallingIdentity(origId); |
| 6544 | } |
| 6545 | |
| 6546 | final void sendPendingThumbnail(HistoryRecord r, IBinder token, |
| 6547 | Bitmap thumbnail, CharSequence description, boolean always) { |
| 6548 | TaskRecord task = null; |
| 6549 | ArrayList receivers = null; |
| 6550 | |
| 6551 | //System.out.println("Send pending thumbnail: " + r); |
| 6552 | |
| 6553 | synchronized(this) { |
| 6554 | if (r == null) { |
| 6555 | int index = indexOfTokenLocked(token, false); |
| 6556 | if (index < 0) { |
| 6557 | return; |
| 6558 | } |
| 6559 | r = (HistoryRecord)mHistory.get(index); |
| 6560 | } |
| 6561 | if (thumbnail == null) { |
| 6562 | thumbnail = r.thumbnail; |
| 6563 | description = r.description; |
| 6564 | } |
| 6565 | if (thumbnail == null && !always) { |
| 6566 | // If there is no thumbnail, and this entry is not actually |
| 6567 | // going away, then abort for now and pick up the next |
| 6568 | // thumbnail we get. |
| 6569 | return; |
| 6570 | } |
| 6571 | task = r.task; |
| 6572 | |
| 6573 | int N = mPendingThumbnails.size(); |
| 6574 | int i=0; |
| 6575 | while (i<N) { |
| 6576 | PendingThumbnailsRecord pr = |
| 6577 | (PendingThumbnailsRecord)mPendingThumbnails.get(i); |
| 6578 | //System.out.println("Looking in " + pr.pendingRecords); |
| 6579 | if (pr.pendingRecords.remove(r)) { |
| 6580 | if (receivers == null) { |
| 6581 | receivers = new ArrayList(); |
| 6582 | } |
| 6583 | receivers.add(pr); |
| 6584 | if (pr.pendingRecords.size() == 0) { |
| 6585 | pr.finished = true; |
| 6586 | mPendingThumbnails.remove(i); |
| 6587 | N--; |
| 6588 | continue; |
| 6589 | } |
| 6590 | } |
| 6591 | i++; |
| 6592 | } |
| 6593 | } |
| 6594 | |
| 6595 | if (receivers != null) { |
| 6596 | final int N = receivers.size(); |
| 6597 | for (int i=0; i<N; i++) { |
| 6598 | try { |
| 6599 | PendingThumbnailsRecord pr = |
| 6600 | (PendingThumbnailsRecord)receivers.get(i); |
| 6601 | pr.receiver.newThumbnail( |
| 6602 | task != null ? task.taskId : -1, thumbnail, description); |
| 6603 | if (pr.finished) { |
| 6604 | pr.receiver.finished(); |
| 6605 | } |
| 6606 | } catch (Exception e) { |
| 6607 | Log.w(TAG, "Exception thrown when sending thumbnail", e); |
| 6608 | } |
| 6609 | } |
| 6610 | } |
| 6611 | } |
| 6612 | |
| 6613 | // ========================================================= |
| 6614 | // CONTENT PROVIDERS |
| 6615 | // ========================================================= |
| 6616 | |
| 6617 | private final List generateApplicationProvidersLocked(ProcessRecord app) { |
| 6618 | List providers = null; |
| 6619 | try { |
| 6620 | providers = ActivityThread.getPackageManager(). |
| 6621 | queryContentProviders(app.processName, app.info.uid, |
| 6622 | PackageManager.GET_SHARED_LIBRARY_FILES |
| 6623 | | PackageManager.GET_URI_PERMISSION_PATTERNS); |
| 6624 | } catch (RemoteException ex) { |
| 6625 | } |
| 6626 | if (providers != null) { |
| 6627 | final int N = providers.size(); |
| 6628 | for (int i=0; i<N; i++) { |
| 6629 | ProviderInfo cpi = |
| 6630 | (ProviderInfo)providers.get(i); |
| 6631 | ContentProviderRecord cpr = |
| 6632 | (ContentProviderRecord)mProvidersByClass.get(cpi.name); |
| 6633 | if (cpr == null) { |
| 6634 | cpr = new ContentProviderRecord(cpi, app.info); |
| 6635 | mProvidersByClass.put(cpi.name, cpr); |
| 6636 | } |
| 6637 | app.pubProviders.put(cpi.name, cpr); |
| 6638 | app.addPackage(cpi.applicationInfo.packageName); |
| 6639 | } |
| 6640 | } |
| 6641 | return providers; |
| 6642 | } |
| 6643 | |
| 6644 | private final String checkContentProviderPermissionLocked( |
| 6645 | ProviderInfo cpi, ProcessRecord r, int mode) { |
| 6646 | final int callingPid = (r != null) ? r.pid : Binder.getCallingPid(); |
| 6647 | final int callingUid = (r != null) ? r.info.uid : Binder.getCallingUid(); |
| 6648 | if (checkComponentPermission(cpi.readPermission, callingPid, callingUid, |
| 6649 | cpi.exported ? -1 : cpi.applicationInfo.uid) |
| 6650 | == PackageManager.PERMISSION_GRANTED |
| 6651 | && mode == ParcelFileDescriptor.MODE_READ_ONLY || mode == -1) { |
| 6652 | return null; |
| 6653 | } |
| 6654 | if (checkComponentPermission(cpi.writePermission, callingPid, callingUid, |
| 6655 | cpi.exported ? -1 : cpi.applicationInfo.uid) |
| 6656 | == PackageManager.PERMISSION_GRANTED) { |
| 6657 | return null; |
| 6658 | } |
| 6659 | String msg = "Permission Denial: opening provider " + cpi.name |
| 6660 | + " from " + (r != null ? r : "(null)") + " (pid=" + callingPid |
| 6661 | + ", uid=" + callingUid + ") requires " |
| 6662 | + cpi.readPermission + " or " + cpi.writePermission; |
| 6663 | Log.w(TAG, msg); |
| 6664 | return msg; |
| 6665 | } |
| 6666 | |
| 6667 | private final ContentProviderHolder getContentProviderImpl( |
| 6668 | IApplicationThread caller, String name) { |
| 6669 | ContentProviderRecord cpr; |
| 6670 | ProviderInfo cpi = null; |
| 6671 | |
| 6672 | synchronized(this) { |
| 6673 | ProcessRecord r = null; |
| 6674 | if (caller != null) { |
| 6675 | r = getRecordForAppLocked(caller); |
| 6676 | if (r == null) { |
| 6677 | throw new SecurityException( |
| 6678 | "Unable to find app for caller " + caller |
| 6679 | + " (pid=" + Binder.getCallingPid() |
| 6680 | + ") when getting content provider " + name); |
| 6681 | } |
| 6682 | } |
| 6683 | |
| 6684 | // First check if this content provider has been published... |
| 6685 | cpr = (ContentProviderRecord)mProvidersByName.get(name); |
| 6686 | if (cpr != null) { |
| 6687 | cpi = cpr.info; |
| 6688 | if (checkContentProviderPermissionLocked(cpi, r, -1) != null) { |
| 6689 | return new ContentProviderHolder(cpi, |
| 6690 | cpi.readPermission != null |
| 6691 | ? cpi.readPermission : cpi.writePermission); |
| 6692 | } |
| 6693 | |
| 6694 | if (r != null && cpr.canRunHere(r)) { |
| 6695 | // This provider has been published or is in the process |
| 6696 | // of being published... but it is also allowed to run |
| 6697 | // in the caller's process, so don't make a connection |
| 6698 | // and just let the caller instantiate its own instance. |
| 6699 | if (cpr.provider != null) { |
| 6700 | // don't give caller the provider object, it needs |
| 6701 | // to make its own. |
| 6702 | cpr = new ContentProviderRecord(cpr); |
| 6703 | } |
| 6704 | return cpr; |
| 6705 | } |
| 6706 | |
| 6707 | final long origId = Binder.clearCallingIdentity(); |
| 6708 | |
| 6709 | // In this case the provider is a single instance, so we can |
| 6710 | // return it right away. |
| 6711 | if (r != null) { |
| 6712 | r.conProviders.add(cpr); |
| 6713 | cpr.clients.add(r); |
| 6714 | } else { |
| 6715 | cpr.externals++; |
| 6716 | } |
| 6717 | |
| 6718 | if (cpr.app != null) { |
| 6719 | updateOomAdjLocked(cpr.app); |
| 6720 | } |
| 6721 | |
| 6722 | Binder.restoreCallingIdentity(origId); |
| 6723 | |
| 6724 | } else { |
| 6725 | try { |
| 6726 | cpi = ActivityThread.getPackageManager(). |
| 6727 | resolveContentProvider(name, PackageManager.GET_URI_PERMISSION_PATTERNS); |
| 6728 | } catch (RemoteException ex) { |
| 6729 | } |
| 6730 | if (cpi == null) { |
| 6731 | return null; |
| 6732 | } |
| 6733 | |
| 6734 | if (checkContentProviderPermissionLocked(cpi, r, -1) != null) { |
| 6735 | return new ContentProviderHolder(cpi, |
| 6736 | cpi.readPermission != null |
| 6737 | ? cpi.readPermission : cpi.writePermission); |
| 6738 | } |
| 6739 | |
| 6740 | cpr = (ContentProviderRecord)mProvidersByClass.get(cpi.name); |
| 6741 | final boolean firstClass = cpr == null; |
| 6742 | if (firstClass) { |
| 6743 | try { |
| 6744 | ApplicationInfo ai = |
| 6745 | ActivityThread.getPackageManager(). |
| 6746 | getApplicationInfo( |
| 6747 | cpi.applicationInfo.packageName, |
| 6748 | PackageManager.GET_SHARED_LIBRARY_FILES); |
| 6749 | if (ai == null) { |
| 6750 | Log.w(TAG, "No package info for content provider " |
| 6751 | + cpi.name); |
| 6752 | return null; |
| 6753 | } |
| 6754 | cpr = new ContentProviderRecord(cpi, ai); |
| 6755 | } catch (RemoteException ex) { |
| 6756 | // pm is in same process, this will never happen. |
| 6757 | } |
| 6758 | } |
| 6759 | |
| 6760 | if (r != null && cpr.canRunHere(r)) { |
| 6761 | // If this is a multiprocess provider, then just return its |
| 6762 | // info and allow the caller to instantiate it. Only do |
| 6763 | // this if the provider is the same user as the caller's |
| 6764 | // process, or can run as root (so can be in any process). |
| 6765 | return cpr; |
| 6766 | } |
| 6767 | |
| 6768 | if (false) { |
| 6769 | RuntimeException e = new RuntimeException("foo"); |
| 6770 | //Log.w(TAG, "LAUNCHING REMOTE PROVIDER (myuid " + r.info.uid |
| 6771 | // + " pruid " + ai.uid + "): " + cpi.className, e); |
| 6772 | } |
| 6773 | |
| 6774 | // This is single process, and our app is now connecting to it. |
| 6775 | // See if we are already in the process of launching this |
| 6776 | // provider. |
| 6777 | final int N = mLaunchingProviders.size(); |
| 6778 | int i; |
| 6779 | for (i=0; i<N; i++) { |
| 6780 | if (mLaunchingProviders.get(i) == cpr) { |
| 6781 | break; |
| 6782 | } |
| 6783 | if (false) { |
| 6784 | final ContentProviderRecord rec = |
| 6785 | (ContentProviderRecord)mLaunchingProviders.get(i); |
| 6786 | if (rec.info.name.equals(cpr.info.name)) { |
| 6787 | cpr = rec; |
| 6788 | break; |
| 6789 | } |
| 6790 | } |
| 6791 | } |
| 6792 | |
| 6793 | // If the provider is not already being launched, then get it |
| 6794 | // started. |
| 6795 | if (i >= N) { |
| 6796 | final long origId = Binder.clearCallingIdentity(); |
| 6797 | ProcessRecord proc = startProcessLocked(cpi.processName, |
| 6798 | cpr.appInfo, false, 0, "content provider", |
| 6799 | new ComponentName(cpi.applicationInfo.packageName, |
| 6800 | cpi.name)); |
| 6801 | if (proc == null) { |
| 6802 | Log.w(TAG, "Unable to launch app " |
| 6803 | + cpi.applicationInfo.packageName + "/" |
| 6804 | + cpi.applicationInfo.uid + " for provider " |
| 6805 | + name + ": process is bad"); |
| 6806 | return null; |
| 6807 | } |
| 6808 | cpr.launchingApp = proc; |
| 6809 | mLaunchingProviders.add(cpr); |
| 6810 | Binder.restoreCallingIdentity(origId); |
| 6811 | } |
| 6812 | |
| 6813 | // Make sure the provider is published (the same provider class |
| 6814 | // may be published under multiple names). |
| 6815 | if (firstClass) { |
| 6816 | mProvidersByClass.put(cpi.name, cpr); |
| 6817 | } |
| 6818 | mProvidersByName.put(name, cpr); |
| 6819 | |
| 6820 | if (r != null) { |
| 6821 | r.conProviders.add(cpr); |
| 6822 | cpr.clients.add(r); |
| 6823 | } else { |
| 6824 | cpr.externals++; |
| 6825 | } |
| 6826 | } |
| 6827 | } |
| 6828 | |
| 6829 | // Wait for the provider to be published... |
| 6830 | synchronized (cpr) { |
| 6831 | while (cpr.provider == null) { |
| 6832 | if (cpr.launchingApp == null) { |
| 6833 | Log.w(TAG, "Unable to launch app " |
| 6834 | + cpi.applicationInfo.packageName + "/" |
| 6835 | + cpi.applicationInfo.uid + " for provider " |
| 6836 | + name + ": launching app became null"); |
| 6837 | EventLog.writeEvent(LOG_AM_PROVIDER_LOST_PROCESS, |
| 6838 | cpi.applicationInfo.packageName, |
| 6839 | cpi.applicationInfo.uid, name); |
| 6840 | return null; |
| 6841 | } |
| 6842 | try { |
| 6843 | cpr.wait(); |
| 6844 | } catch (InterruptedException ex) { |
| 6845 | } |
| 6846 | } |
| 6847 | } |
| 6848 | return cpr; |
| 6849 | } |
| 6850 | |
| 6851 | public final ContentProviderHolder getContentProvider( |
| 6852 | IApplicationThread caller, String name) { |
| 6853 | if (caller == null) { |
| 6854 | String msg = "null IApplicationThread when getting content provider " |
| 6855 | + name; |
| 6856 | Log.w(TAG, msg); |
| 6857 | throw new SecurityException(msg); |
| 6858 | } |
| 6859 | |
| 6860 | return getContentProviderImpl(caller, name); |
| 6861 | } |
| 6862 | |
| 6863 | private ContentProviderHolder getContentProviderExternal(String name) { |
| 6864 | return getContentProviderImpl(null, name); |
| 6865 | } |
| 6866 | |
| 6867 | /** |
| 6868 | * Drop a content provider from a ProcessRecord's bookkeeping |
| 6869 | * @param cpr |
| 6870 | */ |
| 6871 | public void removeContentProvider(IApplicationThread caller, String name) { |
| 6872 | synchronized (this) { |
| 6873 | ContentProviderRecord cpr = (ContentProviderRecord)mProvidersByName.get(name); |
| 6874 | if(cpr == null) { |
| 6875 | //remove from mProvidersByClass |
| 6876 | if(localLOGV) Log.v(TAG, name+" content provider not found in providers list"); |
| 6877 | return; |
| 6878 | } |
| 6879 | final ProcessRecord r = getRecordForAppLocked(caller); |
| 6880 | if (r == null) { |
| 6881 | throw new SecurityException( |
| 6882 | "Unable to find app for caller " + caller + |
| 6883 | " when removing content provider " + name); |
| 6884 | } |
| 6885 | //update content provider record entry info |
| 6886 | ContentProviderRecord localCpr = (ContentProviderRecord) mProvidersByClass.get(cpr.info.name); |
| 6887 | if(localLOGV) Log.v(TAG, "Removing content provider requested by "+ |
| 6888 | r.info.processName+" from process "+localCpr.appInfo.processName); |
| 6889 | if(localCpr.appInfo.processName == r.info.processName) { |
| 6890 | //should not happen. taken care of as a local provider |
| 6891 | if(localLOGV) Log.v(TAG, "local provider doing nothing Ignoring other names"); |
| 6892 | return; |
| 6893 | } else { |
| 6894 | localCpr.clients.remove(r); |
| 6895 | r.conProviders.remove(localCpr); |
| 6896 | } |
| 6897 | updateOomAdjLocked(); |
| 6898 | } |
| 6899 | } |
| 6900 | |
| 6901 | private void removeContentProviderExternal(String name) { |
| 6902 | synchronized (this) { |
| 6903 | ContentProviderRecord cpr = (ContentProviderRecord)mProvidersByName.get(name); |
| 6904 | if(cpr == null) { |
| 6905 | //remove from mProvidersByClass |
| 6906 | if(localLOGV) Log.v(TAG, name+" content provider not found in providers list"); |
| 6907 | return; |
| 6908 | } |
| 6909 | |
| 6910 | //update content provider record entry info |
| 6911 | ContentProviderRecord localCpr = (ContentProviderRecord) mProvidersByClass.get(cpr.info.name); |
| 6912 | localCpr.externals--; |
| 6913 | if (localCpr.externals < 0) { |
| 6914 | Log.e(TAG, "Externals < 0 for content provider " + localCpr); |
| 6915 | } |
| 6916 | updateOomAdjLocked(); |
| 6917 | } |
| 6918 | } |
| 6919 | |
| 6920 | public final void publishContentProviders(IApplicationThread caller, |
| 6921 | List<ContentProviderHolder> providers) { |
| 6922 | if (providers == null) { |
| 6923 | return; |
| 6924 | } |
| 6925 | |
| 6926 | synchronized(this) { |
| 6927 | final ProcessRecord r = getRecordForAppLocked(caller); |
| 6928 | if (r == null) { |
| 6929 | throw new SecurityException( |
| 6930 | "Unable to find app for caller " + caller |
| 6931 | + " (pid=" + Binder.getCallingPid() |
| 6932 | + ") when publishing content providers"); |
| 6933 | } |
| 6934 | |
| 6935 | final long origId = Binder.clearCallingIdentity(); |
| 6936 | |
| 6937 | final int N = providers.size(); |
| 6938 | for (int i=0; i<N; i++) { |
| 6939 | ContentProviderHolder src = providers.get(i); |
| 6940 | if (src == null || src.info == null || src.provider == null) { |
| 6941 | continue; |
| 6942 | } |
| 6943 | ContentProviderRecord dst = |
| 6944 | (ContentProviderRecord)r.pubProviders.get(src.info.name); |
| 6945 | if (dst != null) { |
| 6946 | mProvidersByClass.put(dst.info.name, dst); |
| 6947 | String names[] = dst.info.authority.split(";"); |
| 6948 | for (int j = 0; j < names.length; j++) { |
| 6949 | mProvidersByName.put(names[j], dst); |
| 6950 | } |
| 6951 | |
| 6952 | int NL = mLaunchingProviders.size(); |
| 6953 | int j; |
| 6954 | for (j=0; j<NL; j++) { |
| 6955 | if (mLaunchingProviders.get(j) == dst) { |
| 6956 | mLaunchingProviders.remove(j); |
| 6957 | j--; |
| 6958 | NL--; |
| 6959 | } |
| 6960 | } |
| 6961 | synchronized (dst) { |
| 6962 | dst.provider = src.provider; |
| 6963 | dst.app = r; |
| 6964 | dst.notifyAll(); |
| 6965 | } |
| 6966 | updateOomAdjLocked(r); |
| 6967 | } |
| 6968 | } |
| 6969 | |
| 6970 | Binder.restoreCallingIdentity(origId); |
| 6971 | } |
| 6972 | } |
| 6973 | |
| 6974 | public static final void installSystemProviders() { |
| 6975 | ProcessRecord app = mSelf.mProcessNames.get("system", Process.SYSTEM_UID); |
| 6976 | List providers = mSelf.generateApplicationProvidersLocked(app); |
| 6977 | mSystemThread.installSystemProviders(providers); |
| 6978 | } |
| 6979 | |
| 6980 | // ========================================================= |
| 6981 | // GLOBAL MANAGEMENT |
| 6982 | // ========================================================= |
| 6983 | |
| 6984 | final ProcessRecord newProcessRecordLocked(IApplicationThread thread, |
| 6985 | ApplicationInfo info, String customProcess) { |
| 6986 | String proc = customProcess != null ? customProcess : info.processName; |
| 6987 | BatteryStatsImpl.Uid.Proc ps = null; |
| 6988 | BatteryStatsImpl stats = mBatteryStatsService.getActiveStatistics(); |
| 6989 | synchronized (stats) { |
| 6990 | ps = stats.getProcessStatsLocked(info.uid, proc); |
| 6991 | } |
| 6992 | return new ProcessRecord(ps, thread, info, proc); |
| 6993 | } |
| 6994 | |
| 6995 | final ProcessRecord addAppLocked(ApplicationInfo info) { |
| 6996 | ProcessRecord app = getProcessRecordLocked(info.processName, info.uid); |
| 6997 | |
| 6998 | if (app == null) { |
| 6999 | app = newProcessRecordLocked(null, info, null); |
| 7000 | mProcessNames.put(info.processName, info.uid, app); |
| 7001 | updateLRUListLocked(app, true); |
| 7002 | } |
| 7003 | |
| 7004 | if ((info.flags&(ApplicationInfo.FLAG_SYSTEM|ApplicationInfo.FLAG_PERSISTENT)) |
| 7005 | == (ApplicationInfo.FLAG_SYSTEM|ApplicationInfo.FLAG_PERSISTENT)) { |
| 7006 | app.persistent = true; |
| 7007 | app.maxAdj = CORE_SERVER_ADJ; |
| 7008 | } |
| 7009 | if (app.thread == null && mPersistentStartingProcesses.indexOf(app) < 0) { |
| 7010 | mPersistentStartingProcesses.add(app); |
| 7011 | startProcessLocked(app, "added application", app.processName); |
| 7012 | } |
| 7013 | |
| 7014 | return app; |
| 7015 | } |
| 7016 | |
| 7017 | public void unhandledBack() { |
| 7018 | enforceCallingPermission(android.Manifest.permission.FORCE_BACK, |
| 7019 | "unhandledBack()"); |
| 7020 | |
| 7021 | synchronized(this) { |
| 7022 | int count = mHistory.size(); |
| 7023 | if (Config.LOGD) Log.d( |
| 7024 | TAG, "Performing unhandledBack(): stack size = " + count); |
| 7025 | if (count > 1) { |
| 7026 | final long origId = Binder.clearCallingIdentity(); |
| 7027 | finishActivityLocked((HistoryRecord)mHistory.get(count-1), |
| 7028 | count-1, Activity.RESULT_CANCELED, null, "unhandled-back"); |
| 7029 | Binder.restoreCallingIdentity(origId); |
| 7030 | } |
| 7031 | } |
| 7032 | } |
| 7033 | |
| 7034 | public ParcelFileDescriptor openContentUri(Uri uri) throws RemoteException { |
| 7035 | String name = uri.getAuthority(); |
| 7036 | ContentProviderHolder cph = getContentProviderExternal(name); |
| 7037 | ParcelFileDescriptor pfd = null; |
| 7038 | if (cph != null) { |
| 7039 | // We record the binder invoker's uid in thread-local storage before |
| 7040 | // going to the content provider to open the file. Later, in the code |
| 7041 | // that handles all permissions checks, we look for this uid and use |
| 7042 | // that rather than the Activity Manager's own uid. The effect is that |
| 7043 | // we do the check against the caller's permissions even though it looks |
| 7044 | // to the content provider like the Activity Manager itself is making |
| 7045 | // the request. |
| 7046 | sCallerIdentity.set(new Identity( |
| 7047 | Binder.getCallingPid(), Binder.getCallingUid())); |
| 7048 | try { |
| 7049 | pfd = cph.provider.openFile(uri, "r"); |
| 7050 | } catch (FileNotFoundException e) { |
| 7051 | // do nothing; pfd will be returned null |
| 7052 | } finally { |
| 7053 | // Ensure that whatever happens, we clean up the identity state |
| 7054 | sCallerIdentity.remove(); |
| 7055 | } |
| 7056 | |
| 7057 | // We've got the fd now, so we're done with the provider. |
| 7058 | removeContentProviderExternal(name); |
| 7059 | } else { |
| 7060 | Log.d(TAG, "Failed to get provider for authority '" + name + "'"); |
| 7061 | } |
| 7062 | return pfd; |
| 7063 | } |
| 7064 | |
| 7065 | public void goingToSleep() { |
| 7066 | synchronized(this) { |
| 7067 | mSleeping = true; |
| 7068 | mWindowManager.setEventDispatching(false); |
| 7069 | |
| 7070 | if (mResumedActivity != null) { |
| 7071 | pauseIfSleepingLocked(); |
| 7072 | } else { |
| 7073 | Log.w(TAG, "goingToSleep with no resumed activity!"); |
| 7074 | } |
| 7075 | } |
| 7076 | } |
| 7077 | |
| 7078 | void pauseIfSleepingLocked() { |
| 7079 | if (mSleeping) { |
| 7080 | if (!mGoingToSleep.isHeld()) { |
| 7081 | mGoingToSleep.acquire(); |
| 7082 | if (mLaunchingActivity.isHeld()) { |
| 7083 | mLaunchingActivity.release(); |
| 7084 | mHandler.removeMessages(LAUNCH_TIMEOUT_MSG); |
| 7085 | } |
| 7086 | } |
| 7087 | |
| 7088 | // If we are not currently pausing an activity, get the current |
| 7089 | // one to pause. If we are pausing one, we will just let that stuff |
| 7090 | // run and release the wake lock when all done. |
| 7091 | if (mPausingActivity == null) { |
| 7092 | if (DEBUG_PAUSE) Log.v(TAG, "Sleep needs to pause..."); |
| 7093 | if (DEBUG_USER_LEAVING) Log.v(TAG, "Sleep => pause with userLeaving=false"); |
| 7094 | startPausingLocked(false, true); |
| 7095 | } |
| 7096 | } |
| 7097 | } |
| 7098 | |
| 7099 | public void wakingUp() { |
| 7100 | synchronized(this) { |
| 7101 | if (mGoingToSleep.isHeld()) { |
| 7102 | mGoingToSleep.release(); |
| 7103 | } |
| 7104 | mWindowManager.setEventDispatching(true); |
| 7105 | mSleeping = false; |
| 7106 | resumeTopActivityLocked(null); |
| 7107 | } |
| 7108 | } |
| 7109 | |
| 7110 | public void setDebugApp(String packageName, boolean waitForDebugger, |
| 7111 | boolean persistent) { |
| 7112 | enforceCallingPermission(android.Manifest.permission.SET_DEBUG_APP, |
| 7113 | "setDebugApp()"); |
| 7114 | |
| 7115 | // Note that this is not really thread safe if there are multiple |
| 7116 | // callers into it at the same time, but that's not a situation we |
| 7117 | // care about. |
| 7118 | if (persistent) { |
| 7119 | final ContentResolver resolver = mContext.getContentResolver(); |
| 7120 | Settings.System.putString( |
| 7121 | resolver, Settings.System.DEBUG_APP, |
| 7122 | packageName); |
| 7123 | Settings.System.putInt( |
| 7124 | resolver, Settings.System.WAIT_FOR_DEBUGGER, |
| 7125 | waitForDebugger ? 1 : 0); |
| 7126 | } |
| 7127 | |
| 7128 | synchronized (this) { |
| 7129 | if (!persistent) { |
| 7130 | mOrigDebugApp = mDebugApp; |
| 7131 | mOrigWaitForDebugger = mWaitForDebugger; |
| 7132 | } |
| 7133 | mDebugApp = packageName; |
| 7134 | mWaitForDebugger = waitForDebugger; |
| 7135 | mDebugTransient = !persistent; |
| 7136 | if (packageName != null) { |
| 7137 | final long origId = Binder.clearCallingIdentity(); |
| 7138 | uninstallPackageLocked(packageName, -1, false); |
| 7139 | Binder.restoreCallingIdentity(origId); |
| 7140 | } |
| 7141 | } |
| 7142 | } |
| 7143 | |
| 7144 | public void setAlwaysFinish(boolean enabled) { |
| 7145 | enforceCallingPermission(android.Manifest.permission.SET_ALWAYS_FINISH, |
| 7146 | "setAlwaysFinish()"); |
| 7147 | |
| 7148 | Settings.System.putInt( |
| 7149 | mContext.getContentResolver(), |
| 7150 | Settings.System.ALWAYS_FINISH_ACTIVITIES, enabled ? 1 : 0); |
| 7151 | |
| 7152 | synchronized (this) { |
| 7153 | mAlwaysFinishActivities = enabled; |
| 7154 | } |
| 7155 | } |
| 7156 | |
| 7157 | public void setActivityWatcher(IActivityWatcher watcher) { |
| 7158 | enforceCallingPermission(android.Manifest.permission.SET_ACTIVITY_WATCHER, |
| 7159 | "setActivityWatcher()"); |
| 7160 | synchronized (this) { |
| 7161 | mWatcher = watcher; |
| 7162 | } |
| 7163 | } |
| 7164 | |
| 7165 | public final void enterSafeMode() { |
| 7166 | synchronized(this) { |
| 7167 | // It only makes sense to do this before the system is ready |
| 7168 | // and started launching other packages. |
| 7169 | if (!mSystemReady) { |
| 7170 | try { |
| 7171 | ActivityThread.getPackageManager().enterSafeMode(); |
| 7172 | } catch (RemoteException e) { |
| 7173 | } |
| 7174 | |
| 7175 | View v = LayoutInflater.from(mContext).inflate( |
| 7176 | com.android.internal.R.layout.safe_mode, null); |
| 7177 | WindowManager.LayoutParams lp = new WindowManager.LayoutParams(); |
| 7178 | lp.type = WindowManager.LayoutParams.TYPE_SYSTEM_OVERLAY; |
| 7179 | lp.width = WindowManager.LayoutParams.WRAP_CONTENT; |
| 7180 | lp.height = WindowManager.LayoutParams.WRAP_CONTENT; |
| 7181 | lp.gravity = Gravity.BOTTOM | Gravity.LEFT; |
| 7182 | lp.format = v.getBackground().getOpacity(); |
| 7183 | lp.flags = WindowManager.LayoutParams.FLAG_NOT_FOCUSABLE |
| 7184 | | WindowManager.LayoutParams.FLAG_NOT_TOUCHABLE; |
| 7185 | ((WindowManager)mContext.getSystemService( |
| 7186 | Context.WINDOW_SERVICE)).addView(v, lp); |
| 7187 | } |
| 7188 | } |
| 7189 | } |
| 7190 | |
| 7191 | public void noteWakeupAlarm(IIntentSender sender) { |
| 7192 | if (!(sender instanceof PendingIntentRecord)) { |
| 7193 | return; |
| 7194 | } |
| 7195 | BatteryStatsImpl stats = mBatteryStatsService.getActiveStatistics(); |
| 7196 | synchronized (stats) { |
| 7197 | if (mBatteryStatsService.isOnBattery()) { |
| 7198 | mBatteryStatsService.enforceCallingPermission(); |
| 7199 | PendingIntentRecord rec = (PendingIntentRecord)sender; |
| 7200 | int MY_UID = Binder.getCallingUid(); |
| 7201 | int uid = rec.uid == MY_UID ? Process.SYSTEM_UID : rec.uid; |
| 7202 | BatteryStatsImpl.Uid.Pkg pkg = |
| 7203 | stats.getPackageStatsLocked(uid, rec.key.packageName); |
| 7204 | pkg.incWakeupsLocked(); |
| 7205 | } |
| 7206 | } |
| 7207 | } |
| 7208 | |
| 7209 | public boolean killPidsForMemory(int[] pids) { |
| 7210 | if (Binder.getCallingUid() != Process.SYSTEM_UID) { |
| 7211 | throw new SecurityException("killPidsForMemory only available to the system"); |
| 7212 | } |
| 7213 | |
| 7214 | // XXX Note: don't acquire main activity lock here, because the window |
| 7215 | // manager calls in with its locks held. |
| 7216 | |
| 7217 | boolean killed = false; |
| 7218 | synchronized (mPidsSelfLocked) { |
| 7219 | int[] types = new int[pids.length]; |
| 7220 | int worstType = 0; |
| 7221 | for (int i=0; i<pids.length; i++) { |
| 7222 | ProcessRecord proc = mPidsSelfLocked.get(pids[i]); |
| 7223 | if (proc != null) { |
| 7224 | int type = proc.setAdj; |
| 7225 | types[i] = type; |
| 7226 | if (type > worstType) { |
| 7227 | worstType = type; |
| 7228 | } |
| 7229 | } |
| 7230 | } |
| 7231 | |
| 7232 | // If the worse oom_adj is somewhere in the hidden proc LRU range, |
| 7233 | // then constrain it so we will kill all hidden procs. |
| 7234 | if (worstType < EMPTY_APP_ADJ && worstType > HIDDEN_APP_MIN_ADJ) { |
| 7235 | worstType = HIDDEN_APP_MIN_ADJ; |
| 7236 | } |
| 7237 | Log.w(TAG, "Killing processes for memory at adjustment " + worstType); |
| 7238 | for (int i=0; i<pids.length; i++) { |
| 7239 | ProcessRecord proc = mPidsSelfLocked.get(pids[i]); |
| 7240 | if (proc == null) { |
| 7241 | continue; |
| 7242 | } |
| 7243 | int adj = proc.setAdj; |
| 7244 | if (adj >= worstType) { |
| 7245 | Log.w(TAG, "Killing for memory: " + proc + " (adj " |
| 7246 | + adj + ")"); |
| 7247 | EventLog.writeEvent(LOG_AM_KILL_FOR_MEMORY, proc.pid, |
| 7248 | proc.processName, adj); |
| 7249 | killed = true; |
| 7250 | Process.killProcess(pids[i]); |
| 7251 | } |
| 7252 | } |
| 7253 | } |
| 7254 | return killed; |
| 7255 | } |
| 7256 | |
| 7257 | public void reportPss(IApplicationThread caller, int pss) { |
| 7258 | Watchdog.PssRequestor req; |
| 7259 | String name; |
| 7260 | ProcessRecord callerApp; |
| 7261 | synchronized (this) { |
| 7262 | if (caller == null) { |
| 7263 | return; |
| 7264 | } |
| 7265 | callerApp = getRecordForAppLocked(caller); |
| 7266 | if (callerApp == null) { |
| 7267 | return; |
| 7268 | } |
| 7269 | callerApp.lastPss = pss; |
| 7270 | req = callerApp; |
| 7271 | name = callerApp.processName; |
| 7272 | } |
| 7273 | Watchdog.getInstance().reportPss(req, name, pss); |
| 7274 | if (!callerApp.persistent) { |
| 7275 | removeRequestedPss(callerApp); |
| 7276 | } |
| 7277 | } |
| 7278 | |
| 7279 | public void requestPss(Runnable completeCallback) { |
| 7280 | ArrayList<ProcessRecord> procs; |
| 7281 | synchronized (this) { |
| 7282 | mRequestPssCallback = completeCallback; |
| 7283 | mRequestPssList.clear(); |
| 7284 | for (int i=mLRUProcesses.size()-1; i>=0; i--) { |
| 7285 | ProcessRecord proc = mLRUProcesses.get(i); |
| 7286 | if (!proc.persistent) { |
| 7287 | mRequestPssList.add(proc); |
| 7288 | } |
| 7289 | } |
| 7290 | procs = new ArrayList<ProcessRecord>(mRequestPssList); |
| 7291 | } |
| 7292 | |
| 7293 | int oldPri = Process.getThreadPriority(Process.myTid()); |
| 7294 | Process.setThreadPriority(Process.THREAD_PRIORITY_BACKGROUND); |
| 7295 | for (int i=procs.size()-1; i>=0; i--) { |
| 7296 | ProcessRecord proc = procs.get(i); |
| 7297 | proc.lastPss = 0; |
| 7298 | proc.requestPss(); |
| 7299 | } |
| 7300 | Process.setThreadPriority(oldPri); |
| 7301 | } |
| 7302 | |
| 7303 | void removeRequestedPss(ProcessRecord proc) { |
| 7304 | Runnable callback = null; |
| 7305 | synchronized (this) { |
| 7306 | if (mRequestPssList.remove(proc)) { |
| 7307 | if (mRequestPssList.size() == 0) { |
| 7308 | callback = mRequestPssCallback; |
| 7309 | mRequestPssCallback = null; |
| 7310 | } |
| 7311 | } |
| 7312 | } |
| 7313 | |
| 7314 | if (callback != null) { |
| 7315 | callback.run(); |
| 7316 | } |
| 7317 | } |
| 7318 | |
| 7319 | public void collectPss(Watchdog.PssStats stats) { |
| 7320 | stats.mEmptyPss = 0; |
| 7321 | stats.mEmptyCount = 0; |
| 7322 | stats.mBackgroundPss = 0; |
| 7323 | stats.mBackgroundCount = 0; |
| 7324 | stats.mServicePss = 0; |
| 7325 | stats.mServiceCount = 0; |
| 7326 | stats.mVisiblePss = 0; |
| 7327 | stats.mVisibleCount = 0; |
| 7328 | stats.mForegroundPss = 0; |
| 7329 | stats.mForegroundCount = 0; |
| 7330 | stats.mNoPssCount = 0; |
| 7331 | synchronized (this) { |
| 7332 | int i; |
| 7333 | int NPD = mProcDeaths.length < stats.mProcDeaths.length |
| 7334 | ? mProcDeaths.length : stats.mProcDeaths.length; |
| 7335 | int aggr = 0; |
| 7336 | for (i=0; i<NPD; i++) { |
| 7337 | aggr += mProcDeaths[i]; |
| 7338 | stats.mProcDeaths[i] = aggr; |
| 7339 | } |
| 7340 | while (i<stats.mProcDeaths.length) { |
| 7341 | stats.mProcDeaths[i] = 0; |
| 7342 | i++; |
| 7343 | } |
| 7344 | |
| 7345 | for (i=mLRUProcesses.size()-1; i>=0; i--) { |
| 7346 | ProcessRecord proc = mLRUProcesses.get(i); |
| 7347 | if (proc.persistent) { |
| 7348 | continue; |
| 7349 | } |
| 7350 | //Log.i(TAG, "Proc " + proc + ": pss=" + proc.lastPss); |
| 7351 | if (proc.lastPss == 0) { |
| 7352 | stats.mNoPssCount++; |
| 7353 | continue; |
| 7354 | } |
| 7355 | if (proc.setAdj == EMPTY_APP_ADJ) { |
| 7356 | stats.mEmptyPss += proc.lastPss; |
| 7357 | stats.mEmptyCount++; |
| 7358 | } else if (proc.setAdj == CONTENT_PROVIDER_ADJ) { |
| 7359 | stats.mEmptyPss += proc.lastPss; |
| 7360 | stats.mEmptyCount++; |
| 7361 | } else if (proc.setAdj >= HIDDEN_APP_MIN_ADJ) { |
| 7362 | stats.mBackgroundPss += proc.lastPss; |
| 7363 | stats.mBackgroundCount++; |
| 7364 | } else if (proc.setAdj >= VISIBLE_APP_ADJ) { |
| 7365 | stats.mVisiblePss += proc.lastPss; |
| 7366 | stats.mVisibleCount++; |
| 7367 | } else { |
| 7368 | stats.mForegroundPss += proc.lastPss; |
| 7369 | stats.mForegroundCount++; |
| 7370 | } |
| 7371 | } |
| 7372 | } |
| 7373 | } |
| 7374 | |
| 7375 | public final void startRunning(String pkg, String cls, String action, |
| 7376 | String data) { |
| 7377 | synchronized(this) { |
| 7378 | if (mStartRunning) { |
| 7379 | return; |
| 7380 | } |
| 7381 | mStartRunning = true; |
| 7382 | mTopComponent = pkg != null && cls != null |
| 7383 | ? new ComponentName(pkg, cls) : null; |
| 7384 | mTopAction = action != null ? action : Intent.ACTION_MAIN; |
| 7385 | mTopData = data; |
| 7386 | if (!mSystemReady) { |
| 7387 | return; |
| 7388 | } |
| 7389 | } |
| 7390 | |
| 7391 | systemReady(); |
| 7392 | } |
| 7393 | |
| 7394 | private void retrieveSettings() { |
| 7395 | final ContentResolver resolver = mContext.getContentResolver(); |
| 7396 | String debugApp = Settings.System.getString( |
| 7397 | resolver, Settings.System.DEBUG_APP); |
| 7398 | boolean waitForDebugger = Settings.System.getInt( |
| 7399 | resolver, Settings.System.WAIT_FOR_DEBUGGER, 0) != 0; |
| 7400 | boolean alwaysFinishActivities = Settings.System.getInt( |
| 7401 | resolver, Settings.System.ALWAYS_FINISH_ACTIVITIES, 0) != 0; |
| 7402 | |
| 7403 | Configuration configuration = new Configuration(); |
| 7404 | Settings.System.getConfiguration(resolver, configuration); |
| 7405 | |
| 7406 | synchronized (this) { |
| 7407 | mDebugApp = mOrigDebugApp = debugApp; |
| 7408 | mWaitForDebugger = mOrigWaitForDebugger = waitForDebugger; |
| 7409 | mAlwaysFinishActivities = alwaysFinishActivities; |
| 7410 | // This happens before any activities are started, so we can |
| 7411 | // change mConfiguration in-place. |
| 7412 | mConfiguration.updateFrom(configuration); |
| 7413 | } |
| 7414 | } |
| 7415 | |
| 7416 | public boolean testIsSystemReady() { |
| 7417 | // no need to synchronize(this) just to read & return the value |
| 7418 | return mSystemReady; |
| 7419 | } |
| 7420 | |
| 7421 | public void systemReady() { |
| 7422 | // In the simulator, startRunning will never have been called, which |
| 7423 | // normally sets a few crucial variables. Do it here instead. |
| 7424 | if (!Process.supportsProcesses()) { |
| 7425 | mStartRunning = true; |
| 7426 | mTopAction = Intent.ACTION_MAIN; |
| 7427 | } |
| 7428 | |
| 7429 | synchronized(this) { |
| 7430 | if (mSystemReady) { |
| 7431 | return; |
| 7432 | } |
| 7433 | mSystemReady = true; |
| 7434 | if (!mStartRunning) { |
| 7435 | return; |
| 7436 | } |
| 7437 | } |
| 7438 | |
| 7439 | if (Config.LOGD) Log.d(TAG, "Start running!"); |
| 7440 | EventLog.writeEvent(LOG_BOOT_PROGRESS_AMS_READY, |
| 7441 | SystemClock.uptimeMillis()); |
| 7442 | |
| 7443 | synchronized(this) { |
| 7444 | if (mFactoryTest == SystemServer.FACTORY_TEST_LOW_LEVEL) { |
| 7445 | ResolveInfo ri = mContext.getPackageManager() |
| 7446 | .resolveActivity(new Intent(Intent.ACTION_FACTORY_TEST), |
| 7447 | 0); |
| 7448 | CharSequence errorMsg = null; |
| 7449 | if (ri != null) { |
| 7450 | ActivityInfo ai = ri.activityInfo; |
| 7451 | ApplicationInfo app = ai.applicationInfo; |
| 7452 | if ((app.flags&ApplicationInfo.FLAG_SYSTEM) != 0) { |
| 7453 | mTopAction = Intent.ACTION_FACTORY_TEST; |
| 7454 | mTopData = null; |
| 7455 | mTopComponent = new ComponentName(app.packageName, |
| 7456 | ai.name); |
| 7457 | } else { |
| 7458 | errorMsg = mContext.getResources().getText( |
| 7459 | com.android.internal.R.string.factorytest_not_system); |
| 7460 | } |
| 7461 | } else { |
| 7462 | errorMsg = mContext.getResources().getText( |
| 7463 | com.android.internal.R.string.factorytest_no_action); |
| 7464 | } |
| 7465 | if (errorMsg != null) { |
| 7466 | mTopAction = null; |
| 7467 | mTopData = null; |
| 7468 | mTopComponent = null; |
| 7469 | Message msg = Message.obtain(); |
| 7470 | msg.what = SHOW_FACTORY_ERROR_MSG; |
| 7471 | msg.getData().putCharSequence("msg", errorMsg); |
| 7472 | mHandler.sendMessage(msg); |
| 7473 | } |
| 7474 | } |
| 7475 | } |
| 7476 | |
| 7477 | retrieveSettings(); |
| 7478 | |
| 7479 | synchronized (this) { |
| 7480 | if (mFactoryTest != SystemServer.FACTORY_TEST_LOW_LEVEL) { |
| 7481 | try { |
| 7482 | List apps = ActivityThread.getPackageManager(). |
| 7483 | getPersistentApplications(PackageManager.GET_SHARED_LIBRARY_FILES); |
| 7484 | if (apps != null) { |
| 7485 | int N = apps.size(); |
| 7486 | int i; |
| 7487 | for (i=0; i<N; i++) { |
| 7488 | ApplicationInfo info |
| 7489 | = (ApplicationInfo)apps.get(i); |
| 7490 | if (info != null && |
| 7491 | !info.packageName.equals("android")) { |
| 7492 | addAppLocked(info); |
| 7493 | } |
| 7494 | } |
| 7495 | } |
| 7496 | } catch (RemoteException ex) { |
| 7497 | // pm is in same process, this will never happen. |
| 7498 | } |
| 7499 | } |
| 7500 | |
| 7501 | try { |
| 7502 | if (ActivityThread.getPackageManager().hasSystemUidErrors()) { |
| 7503 | Message msg = Message.obtain(); |
| 7504 | msg.what = SHOW_UID_ERROR_MSG; |
| 7505 | mHandler.sendMessage(msg); |
| 7506 | } |
| 7507 | } catch (RemoteException e) { |
| 7508 | } |
| 7509 | |
| 7510 | // Start up initial activity. |
| 7511 | mBooting = true; |
| 7512 | resumeTopActivityLocked(null); |
| 7513 | } |
| 7514 | } |
| 7515 | |
| 7516 | boolean makeAppCrashingLocked(ProcessRecord app, |
| 7517 | String tag, String shortMsg, String longMsg, byte[] crashData) { |
| 7518 | app.crashing = true; |
| 7519 | app.crashingReport = generateProcessError(app, |
| 7520 | ActivityManager.ProcessErrorStateInfo.CRASHED, tag, shortMsg, longMsg, crashData); |
| 7521 | startAppProblemLocked(app); |
| 7522 | app.stopFreezingAllLocked(); |
| 7523 | return handleAppCrashLocked(app); |
| 7524 | } |
| 7525 | |
| 7526 | void makeAppNotRespondingLocked(ProcessRecord app, |
| 7527 | String tag, String shortMsg, String longMsg, byte[] crashData) { |
| 7528 | app.notResponding = true; |
| 7529 | app.notRespondingReport = generateProcessError(app, |
| 7530 | ActivityManager.ProcessErrorStateInfo.NOT_RESPONDING, tag, shortMsg, longMsg, |
| 7531 | crashData); |
| 7532 | startAppProblemLocked(app); |
| 7533 | app.stopFreezingAllLocked(); |
| 7534 | } |
| 7535 | |
| 7536 | /** |
| 7537 | * Generate a process error record, suitable for attachment to a ProcessRecord. |
| 7538 | * |
| 7539 | * @param app The ProcessRecord in which the error occurred. |
| 7540 | * @param condition Crashing, Application Not Responding, etc. Values are defined in |
| 7541 | * ActivityManager.AppErrorStateInfo |
| 7542 | * @param tag The tag that was passed into handleApplicationError(). Typically the classname. |
| 7543 | * @param shortMsg Short message describing the crash. |
| 7544 | * @param longMsg Long message describing the crash. |
| 7545 | * @param crashData Raw data passed into handleApplicationError(). Typically a stack trace. |
| 7546 | * |
| 7547 | * @return Returns a fully-formed AppErrorStateInfo record. |
| 7548 | */ |
| 7549 | private ActivityManager.ProcessErrorStateInfo generateProcessError(ProcessRecord app, |
| 7550 | int condition, String tag, String shortMsg, String longMsg, byte[] crashData) { |
| 7551 | ActivityManager.ProcessErrorStateInfo report = new ActivityManager.ProcessErrorStateInfo(); |
| 7552 | |
| 7553 | report.condition = condition; |
| 7554 | report.processName = app.processName; |
| 7555 | report.pid = app.pid; |
| 7556 | report.uid = app.info.uid; |
| 7557 | report.tag = tag; |
| 7558 | report.shortMsg = shortMsg; |
| 7559 | report.longMsg = longMsg; |
| 7560 | report.crashData = crashData; |
| 7561 | |
| 7562 | return report; |
| 7563 | } |
| 7564 | |
| 7565 | void killAppAtUsersRequest(ProcessRecord app, Dialog fromDialog, |
| 7566 | boolean crashed) { |
| 7567 | synchronized (this) { |
| 7568 | app.crashing = false; |
| 7569 | app.crashingReport = null; |
| 7570 | app.notResponding = false; |
| 7571 | app.notRespondingReport = null; |
| 7572 | if (app.anrDialog == fromDialog) { |
| 7573 | app.anrDialog = null; |
| 7574 | } |
| 7575 | if (app.waitDialog == fromDialog) { |
| 7576 | app.waitDialog = null; |
| 7577 | } |
| 7578 | if (app.pid > 0 && app.pid != MY_PID) { |
| 7579 | if (crashed) { |
| 7580 | handleAppCrashLocked(app); |
| 7581 | } |
| 7582 | Log.i(ActivityManagerService.TAG, "Killing process " |
| 7583 | + app.processName |
| 7584 | + " (pid=" + app.pid + ") at user's request"); |
| 7585 | Process.killProcess(app.pid); |
| 7586 | } |
| 7587 | |
| 7588 | } |
| 7589 | } |
| 7590 | |
| 7591 | boolean handleAppCrashLocked(ProcessRecord app) { |
| 7592 | long now = SystemClock.uptimeMillis(); |
| 7593 | |
| 7594 | Long crashTime = mProcessCrashTimes.get(app.info.processName, |
| 7595 | app.info.uid); |
| 7596 | if (crashTime != null && now < crashTime+MIN_CRASH_INTERVAL) { |
| 7597 | // This process loses! |
| 7598 | Log.w(TAG, "Process " + app.info.processName |
| 7599 | + " has crashed too many times: killing!"); |
| 7600 | EventLog.writeEvent(LOG_AM_PROCESS_CRASHED_TOO_MUCH, |
| 7601 | app.info.processName, app.info.uid); |
| 7602 | killServicesLocked(app, false); |
| 7603 | for (int i=mHistory.size()-1; i>=0; i--) { |
| 7604 | HistoryRecord r = (HistoryRecord)mHistory.get(i); |
| 7605 | if (r.app == app) { |
| 7606 | if (Config.LOGD) Log.d( |
| 7607 | TAG, " Force finishing activity " |
| 7608 | + r.intent.getComponent().flattenToShortString()); |
| 7609 | finishActivityLocked(r, i, Activity.RESULT_CANCELED, null, "crashed"); |
| 7610 | } |
| 7611 | } |
| 7612 | if (!app.persistent) { |
| 7613 | // We don't want to start this process again until the user |
| 7614 | // explicitly does so... but for persistent process, we really |
| 7615 | // need to keep it running. If a persistent process is actually |
| 7616 | // repeatedly crashing, then badness for everyone. |
| 7617 | EventLog.writeEvent(LOG_AM_PROCESS_BAD, app.info.uid, |
| 7618 | app.info.processName); |
| 7619 | mBadProcesses.put(app.info.processName, app.info.uid, now); |
| 7620 | app.bad = true; |
| 7621 | mProcessCrashTimes.remove(app.info.processName, app.info.uid); |
| 7622 | app.removed = true; |
| 7623 | removeProcessLocked(app, false); |
| 7624 | return false; |
| 7625 | } |
| 7626 | } |
| 7627 | |
| 7628 | // Bump up the crash count of any services currently running in the proc. |
| 7629 | if (app.services.size() != 0) { |
| 7630 | // Any services running in the application need to be placed |
| 7631 | // back in the pending list. |
| 7632 | Iterator it = app.services.iterator(); |
| 7633 | while (it.hasNext()) { |
| 7634 | ServiceRecord sr = (ServiceRecord)it.next(); |
| 7635 | sr.crashCount++; |
| 7636 | } |
| 7637 | } |
| 7638 | |
| 7639 | mProcessCrashTimes.put(app.info.processName, app.info.uid, now); |
| 7640 | return true; |
| 7641 | } |
| 7642 | |
| 7643 | void startAppProblemLocked(ProcessRecord app) { |
| 7644 | skipCurrentReceiverLocked(app); |
| 7645 | } |
| 7646 | |
| 7647 | void skipCurrentReceiverLocked(ProcessRecord app) { |
| 7648 | boolean reschedule = false; |
| 7649 | BroadcastRecord r = app.curReceiver; |
| 7650 | if (r != null) { |
| 7651 | // The current broadcast is waiting for this app's receiver |
| 7652 | // to be finished. Looks like that's not going to happen, so |
| 7653 | // let the broadcast continue. |
| 7654 | logBroadcastReceiverDiscard(r); |
| 7655 | finishReceiverLocked(r.receiver, r.resultCode, r.resultData, |
| 7656 | r.resultExtras, r.resultAbort, true); |
| 7657 | reschedule = true; |
| 7658 | } |
| 7659 | r = mPendingBroadcast; |
| 7660 | if (r != null && r.curApp == app) { |
| 7661 | if (DEBUG_BROADCAST) Log.v(TAG, |
| 7662 | "skip & discard pending app " + r); |
| 7663 | logBroadcastReceiverDiscard(r); |
| 7664 | finishReceiverLocked(r.receiver, r.resultCode, r.resultData, |
| 7665 | r.resultExtras, r.resultAbort, true); |
| 7666 | reschedule = true; |
| 7667 | } |
| 7668 | if (reschedule) { |
| 7669 | scheduleBroadcastsLocked(); |
| 7670 | } |
| 7671 | } |
| 7672 | |
| 7673 | public int handleApplicationError(IBinder app, int flags, |
| 7674 | String tag, String shortMsg, String longMsg, byte[] crashData) { |
| 7675 | AppErrorResult result = new AppErrorResult(); |
| 7676 | |
| 7677 | ProcessRecord r = null; |
| 7678 | synchronized (this) { |
| 7679 | if (app != null) { |
| 7680 | for (SparseArray<ProcessRecord> apps : mProcessNames.getMap().values()) { |
| 7681 | final int NA = apps.size(); |
| 7682 | for (int ia=0; ia<NA; ia++) { |
| 7683 | ProcessRecord p = apps.valueAt(ia); |
| 7684 | if (p.thread != null && p.thread.asBinder() == app) { |
| 7685 | r = p; |
| 7686 | break; |
| 7687 | } |
| 7688 | } |
| 7689 | } |
| 7690 | } |
| 7691 | |
| 7692 | if (r != null) { |
| 7693 | // The application has crashed. Send the SIGQUIT to the process so |
| 7694 | // that it can dump its state. |
| 7695 | Process.sendSignal(r.pid, Process.SIGNAL_QUIT); |
| 7696 | //Log.i(TAG, "Current system threads:"); |
| 7697 | //Process.sendSignal(MY_PID, Process.SIGNAL_QUIT); |
| 7698 | } |
| 7699 | |
| 7700 | if (mWatcher != null) { |
| 7701 | try { |
| 7702 | String name = r != null ? r.processName : null; |
| 7703 | int pid = r != null ? r.pid : Binder.getCallingPid(); |
| 7704 | if (!mWatcher.appCrashed(name, pid, |
| 7705 | shortMsg, longMsg, crashData)) { |
| 7706 | Log.w(TAG, "Force-killing crashed app " + name |
| 7707 | + " at watcher's request"); |
| 7708 | Process.killProcess(pid); |
| 7709 | return 0; |
| 7710 | } |
| 7711 | } catch (RemoteException e) { |
| 7712 | mWatcher = null; |
| 7713 | } |
| 7714 | } |
| 7715 | |
| 7716 | final long origId = Binder.clearCallingIdentity(); |
| 7717 | |
| 7718 | // If this process is running instrumentation, finish it. |
| 7719 | if (r != null && r.instrumentationClass != null) { |
| 7720 | Log.w(TAG, "Error in app " + r.processName |
| 7721 | + " running instrumentation " + r.instrumentationClass + ":"); |
| 7722 | if (shortMsg != null) Log.w(TAG, " " + shortMsg); |
| 7723 | if (longMsg != null) Log.w(TAG, " " + longMsg); |
| 7724 | Bundle info = new Bundle(); |
| 7725 | info.putString("shortMsg", shortMsg); |
| 7726 | info.putString("longMsg", longMsg); |
| 7727 | finishInstrumentationLocked(r, Activity.RESULT_CANCELED, info); |
| 7728 | Binder.restoreCallingIdentity(origId); |
| 7729 | return 0; |
| 7730 | } |
| 7731 | |
| 7732 | if (r != null) { |
| 7733 | if (!makeAppCrashingLocked(r, tag, shortMsg, longMsg, crashData)) { |
| 7734 | return 0; |
| 7735 | } |
| 7736 | } else { |
| 7737 | Log.w(TAG, "Some application object " + app + " tag " + tag |
| 7738 | + " has crashed, but I don't know who it is."); |
| 7739 | Log.w(TAG, "ShortMsg:" + shortMsg); |
| 7740 | Log.w(TAG, "LongMsg:" + longMsg); |
| 7741 | Binder.restoreCallingIdentity(origId); |
| 7742 | return 0; |
| 7743 | } |
| 7744 | |
| 7745 | Message msg = Message.obtain(); |
| 7746 | msg.what = SHOW_ERROR_MSG; |
| 7747 | HashMap data = new HashMap(); |
| 7748 | data.put("result", result); |
| 7749 | data.put("app", r); |
| 7750 | data.put("flags", flags); |
| 7751 | data.put("shortMsg", shortMsg); |
| 7752 | data.put("longMsg", longMsg); |
| 7753 | if (r != null && (r.info.flags&ApplicationInfo.FLAG_SYSTEM) != 0) { |
| 7754 | // For system processes, submit crash data to the server. |
| 7755 | data.put("crashData", crashData); |
| 7756 | } |
| 7757 | msg.obj = data; |
| 7758 | mHandler.sendMessage(msg); |
| 7759 | |
| 7760 | Binder.restoreCallingIdentity(origId); |
| 7761 | } |
| 7762 | |
| 7763 | int res = result.get(); |
| 7764 | |
| 7765 | synchronized (this) { |
| 7766 | if (r != null) { |
| 7767 | mProcessCrashTimes.put(r.info.processName, r.info.uid, |
| 7768 | SystemClock.uptimeMillis()); |
| 7769 | } |
| 7770 | } |
| 7771 | |
| 7772 | return res; |
| 7773 | } |
| 7774 | |
| 7775 | public List<ActivityManager.ProcessErrorStateInfo> getProcessesInErrorState() { |
| 7776 | // assume our apps are happy - lazy create the list |
| 7777 | List<ActivityManager.ProcessErrorStateInfo> errList = null; |
| 7778 | |
| 7779 | synchronized (this) { |
| 7780 | |
| 7781 | // iterate across all processes |
| 7782 | final int N = mLRUProcesses.size(); |
| 7783 | for (int i = 0; i < N; i++) { |
| 7784 | ProcessRecord app = mLRUProcesses.get(i); |
| 7785 | if ((app.thread != null) && (app.crashing || app.notResponding)) { |
| 7786 | // This one's in trouble, so we'll generate a report for it |
| 7787 | // crashes are higher priority (in case there's a crash *and* an anr) |
| 7788 | ActivityManager.ProcessErrorStateInfo report = null; |
| 7789 | if (app.crashing) { |
| 7790 | report = app.crashingReport; |
| 7791 | } else if (app.notResponding) { |
| 7792 | report = app.notRespondingReport; |
| 7793 | } |
| 7794 | |
| 7795 | if (report != null) { |
| 7796 | if (errList == null) { |
| 7797 | errList = new ArrayList<ActivityManager.ProcessErrorStateInfo>(1); |
| 7798 | } |
| 7799 | errList.add(report); |
| 7800 | } else { |
| 7801 | Log.w(TAG, "Missing app error report, app = " + app.processName + |
| 7802 | " crashing = " + app.crashing + |
| 7803 | " notResponding = " + app.notResponding); |
| 7804 | } |
| 7805 | } |
| 7806 | } |
| 7807 | } |
| 7808 | |
| 7809 | return errList; |
| 7810 | } |
| 7811 | |
| 7812 | public List<ActivityManager.RunningAppProcessInfo> getRunningAppProcesses() { |
| 7813 | // Lazy instantiation of list |
| 7814 | List<ActivityManager.RunningAppProcessInfo> runList = null; |
| 7815 | synchronized (this) { |
| 7816 | // Iterate across all processes |
| 7817 | final int N = mLRUProcesses.size(); |
| 7818 | for (int i = 0; i < N; i++) { |
| 7819 | ProcessRecord app = mLRUProcesses.get(i); |
| 7820 | if ((app.thread != null) && (!app.crashing && !app.notResponding)) { |
| 7821 | // Generate process state info for running application |
| 7822 | ActivityManager.RunningAppProcessInfo currApp = |
| 7823 | new ActivityManager.RunningAppProcessInfo(app.processName, |
| 7824 | app.pid, app.getPackageList()); |
| 7825 | int adj = app.curAdj; |
| 7826 | if (adj >= CONTENT_PROVIDER_ADJ) { |
| 7827 | currApp.importance = ActivityManager.RunningAppProcessInfo.IMPORTANCE_EMPTY; |
| 7828 | } else if (adj >= HIDDEN_APP_MIN_ADJ) { |
| 7829 | currApp.importance = ActivityManager.RunningAppProcessInfo.IMPORTANCE_BACKGROUND; |
The Android Open Source Project | 4df2423 | 2009-03-05 14:34:35 -0800 | [diff] [blame] | 7830 | currApp.lru = adj - HIDDEN_APP_MIN_ADJ + 1; |
| 7831 | } else if (adj >= HOME_APP_ADJ) { |
| 7832 | currApp.importance = ActivityManager.RunningAppProcessInfo.IMPORTANCE_BACKGROUND; |
| 7833 | currApp.lru = 0; |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 7834 | } else if (adj >= SECONDARY_SERVER_ADJ) { |
| 7835 | currApp.importance = ActivityManager.RunningAppProcessInfo.IMPORTANCE_SERVICE; |
| 7836 | } else if (adj >= VISIBLE_APP_ADJ) { |
| 7837 | currApp.importance = ActivityManager.RunningAppProcessInfo.IMPORTANCE_VISIBLE; |
| 7838 | } else { |
| 7839 | currApp.importance = ActivityManager.RunningAppProcessInfo.IMPORTANCE_FOREGROUND; |
| 7840 | } |
| 7841 | //Log.v(TAG, "Proc " + app.processName + ": imp=" + currApp.importance |
| 7842 | // + " lru=" + currApp.lru); |
| 7843 | if (runList == null) { |
| 7844 | runList = new ArrayList<ActivityManager.RunningAppProcessInfo>(); |
| 7845 | } |
| 7846 | runList.add(currApp); |
| 7847 | } |
| 7848 | } |
| 7849 | } |
| 7850 | return runList; |
| 7851 | } |
| 7852 | |
| 7853 | @Override |
| 7854 | protected void dump(FileDescriptor fd, PrintWriter pw, String[] args) { |
| 7855 | synchronized (this) { |
| 7856 | if (checkCallingPermission(android.Manifest.permission.DUMP) |
| 7857 | != PackageManager.PERMISSION_GRANTED) { |
| 7858 | pw.println("Permission Denial: can't dump ActivityManager from from pid=" |
| 7859 | + Binder.getCallingPid() |
| 7860 | + ", uid=" + Binder.getCallingUid() |
| 7861 | + " without permission " |
| 7862 | + android.Manifest.permission.DUMP); |
| 7863 | return; |
| 7864 | } |
| 7865 | if (args.length != 0 && "service".equals(args[0])) { |
| 7866 | dumpService(fd, pw, args); |
| 7867 | return; |
| 7868 | } |
| 7869 | pw.println("Activities in Current Activity Manager State:"); |
| 7870 | dumpHistoryList(pw, mHistory, " ", "History"); |
| 7871 | pw.println(" "); |
| 7872 | pw.println(" Running activities (most recent first):"); |
| 7873 | dumpHistoryList(pw, mLRUActivities, " ", "Running"); |
| 7874 | if (mWaitingVisibleActivities.size() > 0) { |
| 7875 | pw.println(" "); |
| 7876 | pw.println(" Activities waiting for another to become visible:"); |
| 7877 | dumpHistoryList(pw, mWaitingVisibleActivities, " ", "Waiting"); |
| 7878 | } |
| 7879 | if (mStoppingActivities.size() > 0) { |
| 7880 | pw.println(" "); |
| 7881 | pw.println(" Activities waiting to stop:"); |
| 7882 | dumpHistoryList(pw, mStoppingActivities, " ", "Stopping"); |
| 7883 | } |
| 7884 | if (mFinishingActivities.size() > 0) { |
| 7885 | pw.println(" "); |
| 7886 | pw.println(" Activities waiting to finish:"); |
| 7887 | dumpHistoryList(pw, mFinishingActivities, " ", "Finishing"); |
| 7888 | } |
| 7889 | |
| 7890 | pw.println(" "); |
| 7891 | pw.println(" mPausingActivity: " + mPausingActivity); |
| 7892 | pw.println(" mResumedActivity: " + mResumedActivity); |
| 7893 | pw.println(" mFocusedActivity: " + mFocusedActivity); |
| 7894 | pw.println(" mLastPausedActivity: " + mLastPausedActivity); |
| 7895 | |
| 7896 | if (mRecentTasks.size() > 0) { |
| 7897 | pw.println(" "); |
| 7898 | pw.println("Recent tasks in Current Activity Manager State:"); |
| 7899 | |
| 7900 | final int N = mRecentTasks.size(); |
| 7901 | for (int i=0; i<N; i++) { |
| 7902 | pw.println(" Recent Task #" + i); |
| 7903 | mRecentTasks.get(i).dump(pw, " "); |
| 7904 | } |
| 7905 | } |
| 7906 | |
| 7907 | pw.println(" "); |
| 7908 | pw.println(" mCurTask: " + mCurTask); |
| 7909 | |
| 7910 | pw.println(" "); |
| 7911 | pw.println("Processes in Current Activity Manager State:"); |
| 7912 | |
| 7913 | boolean needSep = false; |
| 7914 | int numPers = 0; |
| 7915 | |
| 7916 | for (SparseArray<ProcessRecord> procs : mProcessNames.getMap().values()) { |
| 7917 | final int NA = procs.size(); |
| 7918 | for (int ia=0; ia<NA; ia++) { |
| 7919 | if (!needSep) { |
| 7920 | pw.println(" All known processes:"); |
| 7921 | needSep = true; |
| 7922 | } |
| 7923 | ProcessRecord r = procs.valueAt(ia); |
| 7924 | pw.println((r.persistent ? " *PERSISTENT* Process [" : " Process [") |
| 7925 | + r.processName + "] UID " + procs.keyAt(ia)); |
| 7926 | r.dump(pw, " "); |
| 7927 | if (r.persistent) { |
| 7928 | numPers++; |
| 7929 | } |
| 7930 | } |
| 7931 | } |
| 7932 | |
| 7933 | if (mLRUProcesses.size() > 0) { |
| 7934 | if (needSep) pw.println(" "); |
| 7935 | needSep = true; |
| 7936 | pw.println(" Running processes (most recent first):"); |
| 7937 | dumpProcessList(pw, mLRUProcesses, " ", |
| 7938 | "Running Norm Proc", "Running PERS Proc", true); |
| 7939 | needSep = true; |
| 7940 | } |
| 7941 | |
| 7942 | synchronized (mPidsSelfLocked) { |
| 7943 | if (mPidsSelfLocked.size() > 0) { |
| 7944 | if (needSep) pw.println(" "); |
| 7945 | needSep = true; |
| 7946 | pw.println(" PID mappings:"); |
| 7947 | for (int i=0; i<mPidsSelfLocked.size(); i++) { |
| 7948 | pw.println(" PID #" + mPidsSelfLocked.keyAt(i) |
| 7949 | + ": " + mPidsSelfLocked.valueAt(i)); |
| 7950 | } |
| 7951 | } |
| 7952 | } |
| 7953 | |
| 7954 | if (mForegroundProcesses.size() > 0) { |
| 7955 | if (needSep) pw.println(" "); |
| 7956 | needSep = true; |
| 7957 | pw.println(" Foreground Processes:"); |
| 7958 | for (int i=0; i<mForegroundProcesses.size(); i++) { |
| 7959 | pw.println(" PID #" + mForegroundProcesses.keyAt(i) |
| 7960 | + ": " + mForegroundProcesses.valueAt(i)); |
| 7961 | } |
| 7962 | } |
| 7963 | |
| 7964 | if (mPersistentStartingProcesses.size() > 0) { |
| 7965 | if (needSep) pw.println(" "); |
| 7966 | needSep = true; |
| 7967 | pw.println(" Persisent processes that are starting:"); |
| 7968 | dumpProcessList(pw, mPersistentStartingProcesses, " ", |
| 7969 | "Starting Initial Proc", "Restarting PERS Proc", false); |
| 7970 | } |
| 7971 | |
| 7972 | if (mStartingProcesses.size() > 0) { |
| 7973 | if (needSep) pw.println(" "); |
| 7974 | needSep = true; |
| 7975 | pw.println(" Processes that are starting:"); |
| 7976 | dumpProcessList(pw, mStartingProcesses, " ", |
| 7977 | "Starting Norm Proc", "Starting PERS Proc", false); |
| 7978 | } |
| 7979 | |
| 7980 | if (mRemovedProcesses.size() > 0) { |
| 7981 | if (needSep) pw.println(" "); |
| 7982 | needSep = true; |
| 7983 | pw.println(" Processes that are being removed:"); |
| 7984 | dumpProcessList(pw, mRemovedProcesses, " ", |
| 7985 | "Removed Norm Proc", "Removed PERS Proc", false); |
| 7986 | } |
| 7987 | |
| 7988 | if (mProcessesOnHold.size() > 0) { |
| 7989 | if (needSep) pw.println(" "); |
| 7990 | needSep = true; |
| 7991 | pw.println(" Processes that are on old until the system is ready:"); |
| 7992 | dumpProcessList(pw, mProcessesOnHold, " ", |
| 7993 | "OnHold Norm Proc", "OnHold PERS Proc", false); |
| 7994 | } |
| 7995 | |
| 7996 | if (mProcessCrashTimes.getMap().size() > 0) { |
| 7997 | if (needSep) pw.println(" "); |
| 7998 | needSep = true; |
| 7999 | pw.println(" Time since processes crashed:"); |
| 8000 | long now = SystemClock.uptimeMillis(); |
| 8001 | for (Map.Entry<String, SparseArray<Long>> procs |
| 8002 | : mProcessCrashTimes.getMap().entrySet()) { |
| 8003 | SparseArray<Long> uids = procs.getValue(); |
| 8004 | final int N = uids.size(); |
| 8005 | for (int i=0; i<N; i++) { |
| 8006 | pw.println(" Process " + procs.getKey() |
| 8007 | + " uid " + uids.keyAt(i) |
| 8008 | + ": last crashed " |
| 8009 | + (now-uids.valueAt(i)) + " ms ago"); |
| 8010 | } |
| 8011 | } |
| 8012 | } |
| 8013 | |
| 8014 | if (mBadProcesses.getMap().size() > 0) { |
| 8015 | if (needSep) pw.println(" "); |
| 8016 | needSep = true; |
| 8017 | pw.println(" Bad processes:"); |
| 8018 | for (Map.Entry<String, SparseArray<Long>> procs |
| 8019 | : mBadProcesses.getMap().entrySet()) { |
| 8020 | SparseArray<Long> uids = procs.getValue(); |
| 8021 | final int N = uids.size(); |
| 8022 | for (int i=0; i<N; i++) { |
| 8023 | pw.println(" Bad process " + procs.getKey() |
| 8024 | + " uid " + uids.keyAt(i) |
| 8025 | + ": crashed at time " + uids.valueAt(i)); |
| 8026 | } |
| 8027 | } |
| 8028 | } |
| 8029 | |
| 8030 | pw.println(" "); |
| 8031 | pw.println(" Total persistent processes: " + numPers); |
The Android Open Source Project | 4df2423 | 2009-03-05 14:34:35 -0800 | [diff] [blame] | 8032 | pw.println(" mHomeProcess: " + mHomeProcess); |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 8033 | pw.println(" mConfiguration: " + mConfiguration); |
| 8034 | pw.println(" mStartRunning=" + mStartRunning |
| 8035 | + " mSystemReady=" + mSystemReady |
| 8036 | + " mBooting=" + mBooting |
| 8037 | + " mBooted=" + mBooted |
| 8038 | + " mFactoryTest=" + mFactoryTest); |
| 8039 | pw.println(" mSleeping=" + mSleeping); |
| 8040 | pw.println(" mGoingToSleep=" + mGoingToSleep); |
| 8041 | pw.println(" mLaunchingActivity=" + mLaunchingActivity); |
| 8042 | pw.println(" mDebugApp=" + mDebugApp + "/orig=" + mOrigDebugApp |
| 8043 | + " mDebugTransient=" + mDebugTransient |
| 8044 | + " mOrigWaitForDebugger=" + mOrigWaitForDebugger); |
| 8045 | pw.println(" mAlwaysFinishActivities=" + mAlwaysFinishActivities |
| 8046 | + " mWatcher=" + mWatcher); |
| 8047 | } |
| 8048 | } |
| 8049 | |
| 8050 | /** |
| 8051 | * There are three ways to call this: |
| 8052 | * - no service specified: dump all the services |
| 8053 | * - a flattened component name that matched an existing service was specified as the |
| 8054 | * first arg: dump that one service |
| 8055 | * - the first arg isn't the flattened component name of an existing service: |
| 8056 | * dump all services whose component contains the first arg as a substring |
| 8057 | */ |
| 8058 | protected void dumpService(FileDescriptor fd, PrintWriter pw, String[] args) { |
| 8059 | String[] newArgs; |
| 8060 | String componentNameString; |
| 8061 | ServiceRecord r; |
| 8062 | if (args.length == 1) { |
| 8063 | componentNameString = null; |
| 8064 | newArgs = EMPTY_STRING_ARRAY; |
| 8065 | r = null; |
| 8066 | } else { |
| 8067 | componentNameString = args[1]; |
| 8068 | ComponentName componentName = ComponentName.unflattenFromString(componentNameString); |
| 8069 | r = componentName != null ? mServices.get(componentName) : null; |
| 8070 | newArgs = new String[args.length - 2]; |
| 8071 | if (args.length > 2) System.arraycopy(args, 2, newArgs, 0, args.length - 2); |
| 8072 | } |
| 8073 | |
| 8074 | if (r != null) { |
| 8075 | dumpService(fd, pw, r, newArgs); |
| 8076 | } else { |
| 8077 | for (ServiceRecord r1 : mServices.values()) { |
| 8078 | if (componentNameString == null |
| 8079 | || r1.name.flattenToString().contains(componentNameString)) { |
| 8080 | dumpService(fd, pw, r1, newArgs); |
| 8081 | } |
| 8082 | } |
| 8083 | } |
| 8084 | } |
| 8085 | |
| 8086 | /** |
| 8087 | * Invokes IApplicationThread.dumpService() on the thread of the specified service if |
| 8088 | * there is a thread associated with the service. |
| 8089 | */ |
| 8090 | private void dumpService(FileDescriptor fd, PrintWriter pw, ServiceRecord r, String[] args) { |
| 8091 | pw.println(" Service " + r.name.flattenToString()); |
| 8092 | if (r.app != null && r.app.thread != null) { |
| 8093 | try { |
| 8094 | // flush anything that is already in the PrintWriter since the thread is going |
| 8095 | // to write to the file descriptor directly |
| 8096 | pw.flush(); |
| 8097 | r.app.thread.dumpService(fd, r, args); |
| 8098 | pw.print("\n"); |
| 8099 | } catch (RemoteException e) { |
| 8100 | pw.println("got a RemoteException while dumping the service"); |
| 8101 | } |
| 8102 | } |
| 8103 | } |
| 8104 | |
| 8105 | void dumpBroadcasts(PrintWriter pw) { |
| 8106 | synchronized (this) { |
| 8107 | if (checkCallingPermission(android.Manifest.permission.DUMP) |
| 8108 | != PackageManager.PERMISSION_GRANTED) { |
| 8109 | pw.println("Permission Denial: can't dump ActivityManager from from pid=" |
| 8110 | + Binder.getCallingPid() |
| 8111 | + ", uid=" + Binder.getCallingUid() |
| 8112 | + " without permission " |
| 8113 | + android.Manifest.permission.DUMP); |
| 8114 | return; |
| 8115 | } |
| 8116 | pw.println("Broadcasts in Current Activity Manager State:"); |
| 8117 | |
| 8118 | if (mRegisteredReceivers.size() > 0) { |
| 8119 | pw.println(" "); |
| 8120 | pw.println(" Registered Receivers:"); |
| 8121 | Iterator it = mRegisteredReceivers.values().iterator(); |
| 8122 | while (it.hasNext()) { |
| 8123 | ReceiverList r = (ReceiverList)it.next(); |
| 8124 | pw.println(" Receiver " + r.receiver); |
| 8125 | r.dump(pw, " "); |
| 8126 | } |
| 8127 | } |
| 8128 | |
| 8129 | pw.println(" "); |
| 8130 | pw.println("Receiver Resolver Table:"); |
| 8131 | mReceiverResolver.dump(new PrintWriterPrinter(pw), " "); |
| 8132 | |
| 8133 | if (mParallelBroadcasts.size() > 0 || mOrderedBroadcasts.size() > 0 |
| 8134 | || mPendingBroadcast != null) { |
| 8135 | if (mParallelBroadcasts.size() > 0) { |
| 8136 | pw.println(" "); |
| 8137 | pw.println(" Active broadcasts:"); |
| 8138 | } |
| 8139 | for (int i=mParallelBroadcasts.size()-1; i>=0; i--) { |
| 8140 | pw.println(" Broadcast #" + i + ":"); |
| 8141 | mParallelBroadcasts.get(i).dump(pw, " "); |
| 8142 | } |
| 8143 | if (mOrderedBroadcasts.size() > 0) { |
| 8144 | pw.println(" "); |
| 8145 | pw.println(" Active serialized broadcasts:"); |
| 8146 | } |
| 8147 | for (int i=mOrderedBroadcasts.size()-1; i>=0; i--) { |
| 8148 | pw.println(" Serialized Broadcast #" + i + ":"); |
| 8149 | mOrderedBroadcasts.get(i).dump(pw, " "); |
| 8150 | } |
| 8151 | pw.println(" "); |
| 8152 | pw.println(" Pending broadcast:"); |
| 8153 | if (mPendingBroadcast != null) { |
| 8154 | mPendingBroadcast.dump(pw, " "); |
| 8155 | } else { |
| 8156 | pw.println(" (null)"); |
| 8157 | } |
| 8158 | } |
| 8159 | |
| 8160 | pw.println(" "); |
| 8161 | pw.println(" mBroadcastsScheduled=" + mBroadcastsScheduled); |
| 8162 | if (mStickyBroadcasts != null) { |
| 8163 | pw.println(" "); |
| 8164 | pw.println(" Sticky broadcasts:"); |
| 8165 | for (Map.Entry<String, ArrayList<Intent>> ent |
| 8166 | : mStickyBroadcasts.entrySet()) { |
| 8167 | pw.println(" Sticky action " + ent.getKey() + ":"); |
| 8168 | ArrayList<Intent> intents = ent.getValue(); |
| 8169 | final int N = intents.size(); |
| 8170 | for (int i=0; i<N; i++) { |
| 8171 | pw.println(" " + intents.get(i)); |
| 8172 | } |
| 8173 | } |
| 8174 | } |
| 8175 | |
| 8176 | pw.println(" "); |
| 8177 | pw.println(" mHandler:"); |
| 8178 | mHandler.dump(new PrintWriterPrinter(pw), " "); |
| 8179 | } |
| 8180 | } |
| 8181 | |
| 8182 | void dumpServices(PrintWriter pw) { |
| 8183 | synchronized (this) { |
| 8184 | if (checkCallingPermission(android.Manifest.permission.DUMP) |
| 8185 | != PackageManager.PERMISSION_GRANTED) { |
| 8186 | pw.println("Permission Denial: can't dump ActivityManager from from pid=" |
| 8187 | + Binder.getCallingPid() |
| 8188 | + ", uid=" + Binder.getCallingUid() |
| 8189 | + " without permission " |
| 8190 | + android.Manifest.permission.DUMP); |
| 8191 | return; |
| 8192 | } |
| 8193 | pw.println("Services in Current Activity Manager State:"); |
| 8194 | |
| 8195 | boolean needSep = false; |
| 8196 | |
| 8197 | if (mServices.size() > 0) { |
| 8198 | pw.println(" Active services:"); |
| 8199 | Iterator<ServiceRecord> it = mServices.values().iterator(); |
| 8200 | while (it.hasNext()) { |
| 8201 | ServiceRecord r = it.next(); |
| 8202 | pw.println(" Service " + r.shortName); |
| 8203 | r.dump(pw, " "); |
| 8204 | } |
| 8205 | needSep = true; |
| 8206 | } |
| 8207 | |
| 8208 | if (mPendingServices.size() > 0) { |
| 8209 | if (needSep) pw.println(" "); |
| 8210 | pw.println(" Pending services:"); |
| 8211 | for (int i=0; i<mPendingServices.size(); i++) { |
| 8212 | ServiceRecord r = mPendingServices.get(i); |
| 8213 | pw.println(" Pending Service " + r.shortName); |
| 8214 | r.dump(pw, " "); |
| 8215 | } |
| 8216 | needSep = true; |
| 8217 | } |
| 8218 | |
| 8219 | if (mRestartingServices.size() > 0) { |
| 8220 | if (needSep) pw.println(" "); |
| 8221 | pw.println(" Restarting services:"); |
| 8222 | for (int i=0; i<mRestartingServices.size(); i++) { |
| 8223 | ServiceRecord r = mRestartingServices.get(i); |
| 8224 | pw.println(" Restarting Service " + r.shortName); |
| 8225 | r.dump(pw, " "); |
| 8226 | } |
| 8227 | needSep = true; |
| 8228 | } |
| 8229 | |
| 8230 | if (mStoppingServices.size() > 0) { |
| 8231 | if (needSep) pw.println(" "); |
| 8232 | pw.println(" Stopping services:"); |
| 8233 | for (int i=0; i<mStoppingServices.size(); i++) { |
| 8234 | ServiceRecord r = mStoppingServices.get(i); |
| 8235 | pw.println(" Stopping Service " + r.shortName); |
| 8236 | r.dump(pw, " "); |
| 8237 | } |
| 8238 | needSep = true; |
| 8239 | } |
| 8240 | |
| 8241 | if (mServiceConnections.size() > 0) { |
| 8242 | if (needSep) pw.println(" "); |
| 8243 | pw.println(" Connection bindings to services:"); |
| 8244 | Iterator<ConnectionRecord> it |
| 8245 | = mServiceConnections.values().iterator(); |
| 8246 | while (it.hasNext()) { |
| 8247 | ConnectionRecord r = it.next(); |
| 8248 | pw.println(" " + r.binding.service.shortName |
| 8249 | + " -> " + r.conn.asBinder()); |
| 8250 | r.dump(pw, " "); |
| 8251 | } |
| 8252 | } |
| 8253 | } |
| 8254 | } |
| 8255 | |
| 8256 | void dumpProviders(PrintWriter pw) { |
| 8257 | synchronized (this) { |
| 8258 | if (checkCallingPermission(android.Manifest.permission.DUMP) |
| 8259 | != PackageManager.PERMISSION_GRANTED) { |
| 8260 | pw.println("Permission Denial: can't dump ActivityManager from from pid=" |
| 8261 | + Binder.getCallingPid() |
| 8262 | + ", uid=" + Binder.getCallingUid() |
| 8263 | + " without permission " |
| 8264 | + android.Manifest.permission.DUMP); |
| 8265 | return; |
| 8266 | } |
| 8267 | |
| 8268 | pw.println("Content Providers in Current Activity Manager State:"); |
| 8269 | |
| 8270 | boolean needSep = false; |
| 8271 | |
| 8272 | if (mProvidersByName.size() > 0) { |
| 8273 | pw.println(" Published content providers (by name):"); |
| 8274 | Iterator it = mProvidersByName.entrySet().iterator(); |
| 8275 | while (it.hasNext()) { |
| 8276 | Map.Entry e = (Map.Entry)it.next(); |
| 8277 | ContentProviderRecord r = (ContentProviderRecord)e.getValue(); |
| 8278 | pw.println(" Provider " + (String)e.getKey()); |
| 8279 | r.dump(pw, " "); |
| 8280 | } |
| 8281 | needSep = true; |
| 8282 | } |
| 8283 | |
| 8284 | if (mProvidersByClass.size() > 0) { |
| 8285 | if (needSep) pw.println(" "); |
| 8286 | pw.println(" Published content providers (by class):"); |
| 8287 | Iterator it = mProvidersByClass.entrySet().iterator(); |
| 8288 | while (it.hasNext()) { |
| 8289 | Map.Entry e = (Map.Entry)it.next(); |
| 8290 | ContentProviderRecord r = (ContentProviderRecord)e.getValue(); |
| 8291 | pw.println(" Provider " + (String)e.getKey()); |
| 8292 | r.dump(pw, " "); |
| 8293 | } |
| 8294 | needSep = true; |
| 8295 | } |
| 8296 | |
| 8297 | if (mLaunchingProviders.size() > 0) { |
| 8298 | if (needSep) pw.println(" "); |
| 8299 | pw.println(" Launching content providers:"); |
| 8300 | for (int i=mLaunchingProviders.size()-1; i>=0; i--) { |
| 8301 | pw.println(" Provider #" + i + ":"); |
| 8302 | ((ContentProviderRecord)mLaunchingProviders.get(i)).dump(pw, " "); |
| 8303 | } |
| 8304 | needSep = true; |
| 8305 | } |
| 8306 | |
| 8307 | pw.println(); |
| 8308 | pw.println("Granted Uri Permissions:"); |
| 8309 | for (int i=0; i<mGrantedUriPermissions.size(); i++) { |
| 8310 | int uid = mGrantedUriPermissions.keyAt(i); |
| 8311 | HashMap<Uri, UriPermission> perms |
| 8312 | = mGrantedUriPermissions.valueAt(i); |
| 8313 | pw.println(" Uris granted to uid " + uid + ":"); |
| 8314 | for (UriPermission perm : perms.values()) { |
| 8315 | perm.dump(pw, " "); |
| 8316 | } |
| 8317 | } |
| 8318 | } |
| 8319 | } |
| 8320 | |
| 8321 | void dumpSenders(PrintWriter pw) { |
| 8322 | synchronized (this) { |
| 8323 | if (checkCallingPermission(android.Manifest.permission.DUMP) |
| 8324 | != PackageManager.PERMISSION_GRANTED) { |
| 8325 | pw.println("Permission Denial: can't dump ActivityManager from from pid=" |
| 8326 | + Binder.getCallingPid() |
| 8327 | + ", uid=" + Binder.getCallingUid() |
| 8328 | + " without permission " |
| 8329 | + android.Manifest.permission.DUMP); |
| 8330 | return; |
| 8331 | } |
| 8332 | |
| 8333 | pw.println("Intent Senders in Current Activity Manager State:"); |
| 8334 | |
| 8335 | if (this.mIntentSenderRecords.size() > 0) { |
| 8336 | Iterator<WeakReference<PendingIntentRecord>> it |
| 8337 | = mIntentSenderRecords.values().iterator(); |
| 8338 | while (it.hasNext()) { |
| 8339 | WeakReference<PendingIntentRecord> ref = it.next(); |
| 8340 | PendingIntentRecord rec = ref != null ? ref.get(): null; |
| 8341 | if (rec != null) { |
| 8342 | pw.println(" IntentSender " + rec); |
| 8343 | rec.dump(pw, " "); |
| 8344 | } else { |
| 8345 | pw.println(" IntentSender " + ref); |
| 8346 | } |
| 8347 | } |
| 8348 | } |
| 8349 | } |
| 8350 | } |
| 8351 | |
| 8352 | private static final void dumpHistoryList(PrintWriter pw, List list, |
| 8353 | String prefix, String label) { |
| 8354 | TaskRecord lastTask = null; |
| 8355 | for (int i=list.size()-1; i>=0; i--) { |
| 8356 | HistoryRecord r = (HistoryRecord)list.get(i); |
| 8357 | if (lastTask != r.task) { |
| 8358 | lastTask = r.task; |
| 8359 | lastTask.dump(pw, prefix + " "); |
| 8360 | } |
| 8361 | pw.println(prefix + " " + label + " #" + i + ":"); |
| 8362 | r.dump(pw, prefix + " "); |
| 8363 | } |
| 8364 | } |
| 8365 | |
| 8366 | private static final int dumpProcessList(PrintWriter pw, List list, |
| 8367 | String prefix, String normalLabel, String persistentLabel, |
| 8368 | boolean inclOomAdj) { |
| 8369 | int numPers = 0; |
| 8370 | for (int i=list.size()-1; i>=0; i--) { |
| 8371 | ProcessRecord r = (ProcessRecord)list.get(i); |
| 8372 | if (false) { |
| 8373 | pw.println(prefix + (r.persistent ? persistentLabel : normalLabel) |
| 8374 | + " #" + i + ":"); |
| 8375 | r.dump(pw, prefix + " "); |
| 8376 | } else if (inclOomAdj) { |
| 8377 | pw.println(String.format("%s%s #%2d: oom_adj=%3d %s", |
| 8378 | prefix, (r.persistent ? persistentLabel : normalLabel), |
| 8379 | i, r.setAdj, r.toString())); |
| 8380 | } else { |
| 8381 | pw.println(String.format("%s%s #%2d: %s", |
| 8382 | prefix, (r.persistent ? persistentLabel : normalLabel), |
| 8383 | i, r.toString())); |
| 8384 | } |
| 8385 | if (r.persistent) { |
| 8386 | numPers++; |
| 8387 | } |
| 8388 | } |
| 8389 | return numPers; |
| 8390 | } |
| 8391 | |
| 8392 | private static final void dumpApplicationMemoryUsage(FileDescriptor fd, |
| 8393 | PrintWriter pw, List list, String prefix, String[] args) { |
| 8394 | final boolean isCheckinRequest = scanArgs(args, "-c"); |
| 8395 | long uptime = SystemClock.uptimeMillis(); |
| 8396 | long realtime = SystemClock.elapsedRealtime(); |
| 8397 | |
| 8398 | if (isCheckinRequest) { |
| 8399 | // short checkin version |
| 8400 | pw.println(uptime + "," + realtime); |
| 8401 | pw.flush(); |
| 8402 | } else { |
| 8403 | pw.println("Applications Memory Usage (kB):"); |
| 8404 | pw.println("Uptime: " + uptime + " Realtime: " + realtime); |
| 8405 | } |
| 8406 | for (int i = list.size() - 1 ; i >= 0 ; i--) { |
| 8407 | ProcessRecord r = (ProcessRecord)list.get(i); |
| 8408 | if (r.thread != null) { |
| 8409 | if (!isCheckinRequest) { |
| 8410 | pw.println("\n** MEMINFO in pid " + r.pid + " [" + r.processName + "] **"); |
| 8411 | pw.flush(); |
| 8412 | } |
| 8413 | try { |
| 8414 | r.thread.asBinder().dump(fd, args); |
| 8415 | } catch (RemoteException e) { |
| 8416 | if (!isCheckinRequest) { |
| 8417 | pw.println("Got RemoteException!"); |
| 8418 | pw.flush(); |
| 8419 | } |
| 8420 | } |
| 8421 | } |
| 8422 | } |
| 8423 | } |
| 8424 | |
| 8425 | /** |
| 8426 | * Searches array of arguments for the specified string |
| 8427 | * @param args array of argument strings |
| 8428 | * @param value value to search for |
| 8429 | * @return true if the value is contained in the array |
| 8430 | */ |
| 8431 | private static boolean scanArgs(String[] args, String value) { |
| 8432 | if (args != null) { |
| 8433 | for (String arg : args) { |
| 8434 | if (value.equals(arg)) { |
| 8435 | return true; |
| 8436 | } |
| 8437 | } |
| 8438 | } |
| 8439 | return false; |
| 8440 | } |
| 8441 | |
| 8442 | private final int indexOfTokenLocked(IBinder token, boolean required) { |
| 8443 | int count = mHistory.size(); |
| 8444 | |
| 8445 | // convert the token to an entry in the history. |
| 8446 | HistoryRecord r = null; |
| 8447 | int index = -1; |
| 8448 | for (int i=count-1; i>=0; i--) { |
| 8449 | Object o = mHistory.get(i); |
| 8450 | if (o == token) { |
| 8451 | r = (HistoryRecord)o; |
| 8452 | index = i; |
| 8453 | break; |
| 8454 | } |
| 8455 | } |
| 8456 | if (index < 0 && required) { |
| 8457 | RuntimeInit.crash(TAG, new InvalidTokenException(token)); |
| 8458 | } |
| 8459 | |
| 8460 | return index; |
| 8461 | } |
| 8462 | |
| 8463 | static class InvalidTokenException extends Exception { |
| 8464 | InvalidTokenException(IBinder token) { |
| 8465 | super("Bad activity token: " + token); |
| 8466 | } |
| 8467 | } |
| 8468 | |
| 8469 | private final void killServicesLocked(ProcessRecord app, |
| 8470 | boolean allowRestart) { |
| 8471 | // Report disconnected services. |
| 8472 | if (false) { |
| 8473 | // XXX we are letting the client link to the service for |
| 8474 | // death notifications. |
| 8475 | if (app.services.size() > 0) { |
| 8476 | Iterator it = app.services.iterator(); |
| 8477 | while (it.hasNext()) { |
| 8478 | ServiceRecord r = (ServiceRecord)it.next(); |
| 8479 | if (r.connections.size() > 0) { |
| 8480 | Iterator<ConnectionRecord> jt |
| 8481 | = r.connections.values().iterator(); |
| 8482 | while (jt.hasNext()) { |
| 8483 | ConnectionRecord c = jt.next(); |
| 8484 | if (c.binding.client != app) { |
| 8485 | try { |
| 8486 | //c.conn.connected(r.className, null); |
| 8487 | } catch (Exception e) { |
| 8488 | // todo: this should be asynchronous! |
| 8489 | Log.w(TAG, "Exception thrown disconnected servce " |
| 8490 | + r.shortName |
| 8491 | + " from app " + app.processName, e); |
| 8492 | } |
| 8493 | } |
| 8494 | } |
| 8495 | } |
| 8496 | } |
| 8497 | } |
| 8498 | } |
| 8499 | |
| 8500 | // Clean up any connections this application has to other services. |
| 8501 | if (app.connections.size() > 0) { |
| 8502 | Iterator<ConnectionRecord> it = app.connections.iterator(); |
| 8503 | while (it.hasNext()) { |
| 8504 | ConnectionRecord r = it.next(); |
| 8505 | removeConnectionLocked(r, app, null); |
| 8506 | } |
| 8507 | } |
| 8508 | app.connections.clear(); |
| 8509 | |
| 8510 | if (app.services.size() != 0) { |
| 8511 | // Any services running in the application need to be placed |
| 8512 | // back in the pending list. |
| 8513 | Iterator it = app.services.iterator(); |
| 8514 | while (it.hasNext()) { |
| 8515 | ServiceRecord sr = (ServiceRecord)it.next(); |
| 8516 | synchronized (sr.stats.getBatteryStats()) { |
| 8517 | sr.stats.stopLaunchedLocked(); |
| 8518 | } |
| 8519 | sr.app = null; |
| 8520 | sr.executeNesting = 0; |
| 8521 | mStoppingServices.remove(sr); |
| 8522 | if (sr.bindings.size() > 0) { |
| 8523 | Iterator<IntentBindRecord> bindings |
| 8524 | = sr.bindings.values().iterator(); |
| 8525 | while (bindings.hasNext()) { |
| 8526 | IntentBindRecord b = bindings.next(); |
| 8527 | if (DEBUG_SERVICE) Log.v(TAG, "Killing binding " + b |
| 8528 | + ": shouldUnbind=" + b.hasBound); |
| 8529 | b.binder = null; |
| 8530 | b.requested = b.received = b.hasBound = false; |
| 8531 | } |
| 8532 | } |
| 8533 | |
| 8534 | if (sr.crashCount >= 2) { |
| 8535 | Log.w(TAG, "Service crashed " + sr.crashCount |
| 8536 | + " times, stopping: " + sr); |
| 8537 | EventLog.writeEvent(LOG_AM_SERVICE_CRASHED_TOO_MUCH, |
| 8538 | sr.crashCount, sr.shortName, app.pid); |
| 8539 | bringDownServiceLocked(sr, true); |
| 8540 | } else if (!allowRestart) { |
| 8541 | bringDownServiceLocked(sr, true); |
| 8542 | } else { |
| 8543 | scheduleServiceRestartLocked(sr); |
| 8544 | } |
| 8545 | } |
| 8546 | |
| 8547 | if (!allowRestart) { |
| 8548 | app.services.clear(); |
| 8549 | } |
| 8550 | } |
| 8551 | |
| 8552 | app.executingServices.clear(); |
| 8553 | } |
| 8554 | |
| 8555 | private final void removeDyingProviderLocked(ProcessRecord proc, |
| 8556 | ContentProviderRecord cpr) { |
| 8557 | synchronized (cpr) { |
| 8558 | cpr.launchingApp = null; |
| 8559 | cpr.notifyAll(); |
| 8560 | } |
| 8561 | |
| 8562 | mProvidersByClass.remove(cpr.info.name); |
| 8563 | String names[] = cpr.info.authority.split(";"); |
| 8564 | for (int j = 0; j < names.length; j++) { |
| 8565 | mProvidersByName.remove(names[j]); |
| 8566 | } |
| 8567 | |
| 8568 | Iterator<ProcessRecord> cit = cpr.clients.iterator(); |
| 8569 | while (cit.hasNext()) { |
| 8570 | ProcessRecord capp = cit.next(); |
| 8571 | if (!capp.persistent && capp.thread != null |
| 8572 | && capp.pid != 0 |
| 8573 | && capp.pid != MY_PID) { |
| 8574 | Log.i(TAG, "Killing app " + capp.processName |
| 8575 | + " (pid " + capp.pid |
| 8576 | + ") because provider " + cpr.info.name |
| 8577 | + " is in dying process " + proc.processName); |
| 8578 | Process.killProcess(capp.pid); |
| 8579 | } |
| 8580 | } |
| 8581 | |
| 8582 | mLaunchingProviders.remove(cpr); |
| 8583 | } |
| 8584 | |
| 8585 | /** |
| 8586 | * Main code for cleaning up a process when it has gone away. This is |
| 8587 | * called both as a result of the process dying, or directly when stopping |
| 8588 | * a process when running in single process mode. |
| 8589 | */ |
| 8590 | private final void cleanUpApplicationRecordLocked(ProcessRecord app, |
| 8591 | boolean restarting, int index) { |
| 8592 | if (index >= 0) { |
| 8593 | mLRUProcesses.remove(index); |
| 8594 | } |
| 8595 | |
| 8596 | // Dismiss any open dialogs. |
| 8597 | if (app.crashDialog != null) { |
| 8598 | app.crashDialog.dismiss(); |
| 8599 | app.crashDialog = null; |
| 8600 | } |
| 8601 | if (app.anrDialog != null) { |
| 8602 | app.anrDialog.dismiss(); |
| 8603 | app.anrDialog = null; |
| 8604 | } |
| 8605 | if (app.waitDialog != null) { |
| 8606 | app.waitDialog.dismiss(); |
| 8607 | app.waitDialog = null; |
| 8608 | } |
| 8609 | |
| 8610 | app.crashing = false; |
| 8611 | app.notResponding = false; |
| 8612 | |
| 8613 | app.resetPackageList(); |
| 8614 | app.thread = null; |
| 8615 | app.forcingToForeground = null; |
| 8616 | app.foregroundServices = false; |
| 8617 | |
| 8618 | killServicesLocked(app, true); |
| 8619 | |
| 8620 | boolean restart = false; |
| 8621 | |
| 8622 | int NL = mLaunchingProviders.size(); |
| 8623 | |
| 8624 | // Remove published content providers. |
| 8625 | if (!app.pubProviders.isEmpty()) { |
| 8626 | Iterator it = app.pubProviders.values().iterator(); |
| 8627 | while (it.hasNext()) { |
| 8628 | ContentProviderRecord cpr = (ContentProviderRecord)it.next(); |
| 8629 | cpr.provider = null; |
| 8630 | cpr.app = null; |
| 8631 | |
| 8632 | // See if someone is waiting for this provider... in which |
| 8633 | // case we don't remove it, but just let it restart. |
| 8634 | int i = 0; |
| 8635 | if (!app.bad) { |
| 8636 | for (; i<NL; i++) { |
| 8637 | if (mLaunchingProviders.get(i) == cpr) { |
| 8638 | restart = true; |
| 8639 | break; |
| 8640 | } |
| 8641 | } |
| 8642 | } else { |
| 8643 | i = NL; |
| 8644 | } |
| 8645 | |
| 8646 | if (i >= NL) { |
| 8647 | removeDyingProviderLocked(app, cpr); |
| 8648 | NL = mLaunchingProviders.size(); |
| 8649 | } |
| 8650 | } |
| 8651 | app.pubProviders.clear(); |
| 8652 | } |
| 8653 | |
| 8654 | // Look through the content providers we are waiting to have launched, |
| 8655 | // and if any run in this process then either schedule a restart of |
| 8656 | // the process or kill the client waiting for it if this process has |
| 8657 | // gone bad. |
| 8658 | for (int i=0; i<NL; i++) { |
| 8659 | ContentProviderRecord cpr = (ContentProviderRecord) |
| 8660 | mLaunchingProviders.get(i); |
| 8661 | if (cpr.launchingApp == app) { |
| 8662 | if (!app.bad) { |
| 8663 | restart = true; |
| 8664 | } else { |
| 8665 | removeDyingProviderLocked(app, cpr); |
| 8666 | NL = mLaunchingProviders.size(); |
| 8667 | } |
| 8668 | } |
| 8669 | } |
| 8670 | |
| 8671 | // Unregister from connected content providers. |
| 8672 | if (!app.conProviders.isEmpty()) { |
| 8673 | Iterator it = app.conProviders.iterator(); |
| 8674 | while (it.hasNext()) { |
| 8675 | ContentProviderRecord cpr = (ContentProviderRecord)it.next(); |
| 8676 | cpr.clients.remove(app); |
| 8677 | } |
| 8678 | app.conProviders.clear(); |
| 8679 | } |
| 8680 | |
| 8681 | skipCurrentReceiverLocked(app); |
| 8682 | |
| 8683 | // Unregister any receivers. |
| 8684 | if (app.receivers.size() > 0) { |
| 8685 | Iterator<ReceiverList> it = app.receivers.iterator(); |
| 8686 | while (it.hasNext()) { |
| 8687 | removeReceiverLocked(it.next()); |
| 8688 | } |
| 8689 | app.receivers.clear(); |
| 8690 | } |
| 8691 | |
| 8692 | // If the caller is restarting this app, then leave it in its |
| 8693 | // current lists and let the caller take care of it. |
| 8694 | if (restarting) { |
| 8695 | return; |
| 8696 | } |
| 8697 | |
| 8698 | if (!app.persistent) { |
| 8699 | if (DEBUG_PROCESSES) Log.v(TAG, |
| 8700 | "Removing non-persistent process during cleanup: " + app); |
| 8701 | mProcessNames.remove(app.processName, app.info.uid); |
| 8702 | } else if (!app.removed) { |
| 8703 | // This app is persistent, so we need to keep its record around. |
| 8704 | // If it is not already on the pending app list, add it there |
| 8705 | // and start a new process for it. |
| 8706 | app.thread = null; |
| 8707 | app.forcingToForeground = null; |
| 8708 | app.foregroundServices = false; |
| 8709 | if (mPersistentStartingProcesses.indexOf(app) < 0) { |
| 8710 | mPersistentStartingProcesses.add(app); |
| 8711 | restart = true; |
| 8712 | } |
| 8713 | } |
| 8714 | mProcessesOnHold.remove(app); |
| 8715 | |
The Android Open Source Project | 4df2423 | 2009-03-05 14:34:35 -0800 | [diff] [blame] | 8716 | if (app == mHomeProcess) { |
| 8717 | mHomeProcess = null; |
| 8718 | } |
| 8719 | |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 8720 | if (restart) { |
| 8721 | // We have components that still need to be running in the |
| 8722 | // process, so re-launch it. |
| 8723 | mProcessNames.put(app.processName, app.info.uid, app); |
| 8724 | startProcessLocked(app, "restart", app.processName); |
| 8725 | } else if (app.pid > 0 && app.pid != MY_PID) { |
| 8726 | // Goodbye! |
| 8727 | synchronized (mPidsSelfLocked) { |
| 8728 | mPidsSelfLocked.remove(app.pid); |
| 8729 | mHandler.removeMessages(PROC_START_TIMEOUT_MSG, app); |
| 8730 | } |
| 8731 | app.pid = 0; |
| 8732 | } |
| 8733 | } |
| 8734 | |
| 8735 | // ========================================================= |
| 8736 | // SERVICES |
| 8737 | // ========================================================= |
| 8738 | |
| 8739 | ActivityManager.RunningServiceInfo makeRunningServiceInfoLocked(ServiceRecord r) { |
| 8740 | ActivityManager.RunningServiceInfo info = |
| 8741 | new ActivityManager.RunningServiceInfo(); |
| 8742 | info.service = r.name; |
| 8743 | if (r.app != null) { |
| 8744 | info.pid = r.app.pid; |
| 8745 | } |
| 8746 | info.process = r.processName; |
| 8747 | info.foreground = r.isForeground; |
| 8748 | info.activeSince = r.createTime; |
| 8749 | info.started = r.startRequested; |
| 8750 | info.clientCount = r.connections.size(); |
| 8751 | info.crashCount = r.crashCount; |
| 8752 | info.lastActivityTime = r.lastActivity; |
| 8753 | return info; |
| 8754 | } |
| 8755 | |
| 8756 | public List<ActivityManager.RunningServiceInfo> getServices(int maxNum, |
| 8757 | int flags) { |
| 8758 | synchronized (this) { |
| 8759 | ArrayList<ActivityManager.RunningServiceInfo> res |
| 8760 | = new ArrayList<ActivityManager.RunningServiceInfo>(); |
| 8761 | |
| 8762 | if (mServices.size() > 0) { |
| 8763 | Iterator<ServiceRecord> it = mServices.values().iterator(); |
| 8764 | while (it.hasNext() && res.size() < maxNum) { |
| 8765 | res.add(makeRunningServiceInfoLocked(it.next())); |
| 8766 | } |
| 8767 | } |
| 8768 | |
| 8769 | for (int i=0; i<mRestartingServices.size() && res.size() < maxNum; i++) { |
| 8770 | ServiceRecord r = mRestartingServices.get(i); |
| 8771 | ActivityManager.RunningServiceInfo info = |
| 8772 | makeRunningServiceInfoLocked(r); |
| 8773 | info.restarting = r.nextRestartTime; |
| 8774 | res.add(info); |
| 8775 | } |
| 8776 | |
| 8777 | return res; |
| 8778 | } |
| 8779 | } |
| 8780 | |
| 8781 | private final ServiceRecord findServiceLocked(ComponentName name, |
| 8782 | IBinder token) { |
| 8783 | ServiceRecord r = mServices.get(name); |
| 8784 | return r == token ? r : null; |
| 8785 | } |
| 8786 | |
| 8787 | private final class ServiceLookupResult { |
| 8788 | final ServiceRecord record; |
| 8789 | final String permission; |
| 8790 | |
| 8791 | ServiceLookupResult(ServiceRecord _record, String _permission) { |
| 8792 | record = _record; |
| 8793 | permission = _permission; |
| 8794 | } |
| 8795 | }; |
| 8796 | |
| 8797 | private ServiceLookupResult findServiceLocked(Intent service, |
| 8798 | String resolvedType) { |
| 8799 | ServiceRecord r = null; |
| 8800 | if (service.getComponent() != null) { |
| 8801 | r = mServices.get(service.getComponent()); |
| 8802 | } |
| 8803 | if (r == null) { |
| 8804 | Intent.FilterComparison filter = new Intent.FilterComparison(service); |
| 8805 | r = mServicesByIntent.get(filter); |
| 8806 | } |
| 8807 | |
| 8808 | if (r == null) { |
| 8809 | try { |
| 8810 | ResolveInfo rInfo = |
| 8811 | ActivityThread.getPackageManager().resolveService( |
| 8812 | service, resolvedType, 0); |
| 8813 | ServiceInfo sInfo = |
| 8814 | rInfo != null ? rInfo.serviceInfo : null; |
| 8815 | if (sInfo == null) { |
| 8816 | return null; |
| 8817 | } |
| 8818 | |
| 8819 | ComponentName name = new ComponentName( |
| 8820 | sInfo.applicationInfo.packageName, sInfo.name); |
| 8821 | r = mServices.get(name); |
| 8822 | } catch (RemoteException ex) { |
| 8823 | // pm is in same process, this will never happen. |
| 8824 | } |
| 8825 | } |
| 8826 | if (r != null) { |
| 8827 | int callingPid = Binder.getCallingPid(); |
| 8828 | int callingUid = Binder.getCallingUid(); |
| 8829 | if (checkComponentPermission(r.permission, |
| 8830 | callingPid, callingUid, r.exported ? -1 : r.appInfo.uid) |
| 8831 | != PackageManager.PERMISSION_GRANTED) { |
| 8832 | Log.w(TAG, "Permission Denial: Accessing service " + r.name |
| 8833 | + " from pid=" + callingPid |
| 8834 | + ", uid=" + callingUid |
| 8835 | + " requires " + r.permission); |
| 8836 | return new ServiceLookupResult(null, r.permission); |
| 8837 | } |
| 8838 | return new ServiceLookupResult(r, null); |
| 8839 | } |
| 8840 | return null; |
| 8841 | } |
| 8842 | |
| 8843 | private class ServiceRestarter implements Runnable { |
| 8844 | private ServiceRecord mService; |
| 8845 | |
| 8846 | void setService(ServiceRecord service) { |
| 8847 | mService = service; |
| 8848 | } |
| 8849 | |
| 8850 | public void run() { |
| 8851 | synchronized(ActivityManagerService.this) { |
| 8852 | performServiceRestartLocked(mService); |
| 8853 | } |
| 8854 | } |
| 8855 | } |
| 8856 | |
| 8857 | private ServiceLookupResult retrieveServiceLocked(Intent service, |
| 8858 | String resolvedType, int callingPid, int callingUid) { |
| 8859 | ServiceRecord r = null; |
| 8860 | if (service.getComponent() != null) { |
| 8861 | r = mServices.get(service.getComponent()); |
| 8862 | } |
| 8863 | Intent.FilterComparison filter = new Intent.FilterComparison(service); |
| 8864 | r = mServicesByIntent.get(filter); |
| 8865 | if (r == null) { |
| 8866 | try { |
| 8867 | ResolveInfo rInfo = |
| 8868 | ActivityThread.getPackageManager().resolveService( |
| 8869 | service, resolvedType, PackageManager.GET_SHARED_LIBRARY_FILES); |
| 8870 | ServiceInfo sInfo = |
| 8871 | rInfo != null ? rInfo.serviceInfo : null; |
| 8872 | if (sInfo == null) { |
| 8873 | Log.w(TAG, "Unable to start service " + service + |
| 8874 | ": not found"); |
| 8875 | return null; |
| 8876 | } |
| 8877 | |
| 8878 | ComponentName name = new ComponentName( |
| 8879 | sInfo.applicationInfo.packageName, sInfo.name); |
| 8880 | r = mServices.get(name); |
| 8881 | if (r == null) { |
| 8882 | filter = new Intent.FilterComparison(service.cloneFilter()); |
| 8883 | ServiceRestarter res = new ServiceRestarter(); |
| 8884 | BatteryStatsImpl.Uid.Pkg.Serv ss = null; |
| 8885 | BatteryStatsImpl stats = mBatteryStatsService.getActiveStatistics(); |
| 8886 | synchronized (stats) { |
| 8887 | ss = stats.getServiceStatsLocked( |
| 8888 | sInfo.applicationInfo.uid, sInfo.packageName, |
| 8889 | sInfo.name); |
| 8890 | } |
| 8891 | r = new ServiceRecord(ss, name, filter, sInfo, res); |
| 8892 | res.setService(r); |
| 8893 | mServices.put(name, r); |
| 8894 | mServicesByIntent.put(filter, r); |
| 8895 | |
| 8896 | // Make sure this component isn't in the pending list. |
| 8897 | int N = mPendingServices.size(); |
| 8898 | for (int i=0; i<N; i++) { |
| 8899 | ServiceRecord pr = mPendingServices.get(i); |
| 8900 | if (pr.name.equals(name)) { |
| 8901 | mPendingServices.remove(i); |
| 8902 | i--; |
| 8903 | N--; |
| 8904 | } |
| 8905 | } |
| 8906 | } |
| 8907 | } catch (RemoteException ex) { |
| 8908 | // pm is in same process, this will never happen. |
| 8909 | } |
| 8910 | } |
| 8911 | if (r != null) { |
| 8912 | if (checkComponentPermission(r.permission, |
| 8913 | callingPid, callingUid, r.exported ? -1 : r.appInfo.uid) |
| 8914 | != PackageManager.PERMISSION_GRANTED) { |
| 8915 | Log.w(TAG, "Permission Denial: Accessing service " + r.name |
| 8916 | + " from pid=" + Binder.getCallingPid() |
| 8917 | + ", uid=" + Binder.getCallingUid() |
| 8918 | + " requires " + r.permission); |
| 8919 | return new ServiceLookupResult(null, r.permission); |
| 8920 | } |
| 8921 | return new ServiceLookupResult(r, null); |
| 8922 | } |
| 8923 | return null; |
| 8924 | } |
| 8925 | |
| 8926 | private final void bumpServiceExecutingLocked(ServiceRecord r) { |
| 8927 | long now = SystemClock.uptimeMillis(); |
| 8928 | if (r.executeNesting == 0 && r.app != null) { |
| 8929 | if (r.app.executingServices.size() == 0) { |
| 8930 | Message msg = mHandler.obtainMessage(SERVICE_TIMEOUT_MSG); |
| 8931 | msg.obj = r.app; |
| 8932 | mHandler.sendMessageAtTime(msg, now+SERVICE_TIMEOUT); |
| 8933 | } |
| 8934 | r.app.executingServices.add(r); |
| 8935 | } |
| 8936 | r.executeNesting++; |
| 8937 | r.executingStart = now; |
| 8938 | } |
| 8939 | |
| 8940 | private final void sendServiceArgsLocked(ServiceRecord r, |
| 8941 | boolean oomAdjusted) { |
| 8942 | final int N = r.startArgs.size(); |
| 8943 | if (N == 0) { |
| 8944 | return; |
| 8945 | } |
| 8946 | |
| 8947 | final int BASEID = r.lastStartId - N + 1; |
| 8948 | int i = 0; |
| 8949 | while (i < N) { |
| 8950 | try { |
| 8951 | Intent args = r.startArgs.get(i); |
| 8952 | if (DEBUG_SERVICE) Log.v(TAG, "Sending arguments to service: " |
| 8953 | + r.name + " " + r.intent + " args=" + args); |
| 8954 | bumpServiceExecutingLocked(r); |
| 8955 | if (!oomAdjusted) { |
| 8956 | oomAdjusted = true; |
| 8957 | updateOomAdjLocked(r.app); |
| 8958 | } |
| 8959 | r.app.thread.scheduleServiceArgs(r, BASEID+i, args); |
| 8960 | i++; |
| 8961 | } catch (Exception e) { |
| 8962 | break; |
| 8963 | } |
| 8964 | } |
| 8965 | if (i == N) { |
| 8966 | r.startArgs.clear(); |
| 8967 | } else { |
| 8968 | while (i > 0) { |
| 8969 | r.startArgs.remove(0); |
| 8970 | i--; |
| 8971 | } |
| 8972 | } |
| 8973 | } |
| 8974 | |
| 8975 | private final boolean requestServiceBindingLocked(ServiceRecord r, |
| 8976 | IntentBindRecord i, boolean rebind) { |
| 8977 | if (r.app == null || r.app.thread == null) { |
| 8978 | // If service is not currently running, can't yet bind. |
| 8979 | return false; |
| 8980 | } |
| 8981 | if ((!i.requested || rebind) && i.apps.size() > 0) { |
| 8982 | try { |
| 8983 | bumpServiceExecutingLocked(r); |
| 8984 | if (DEBUG_SERVICE) Log.v(TAG, "Connecting binding " + i |
| 8985 | + ": shouldUnbind=" + i.hasBound); |
| 8986 | r.app.thread.scheduleBindService(r, i.intent.getIntent(), rebind); |
| 8987 | if (!rebind) { |
| 8988 | i.requested = true; |
| 8989 | } |
| 8990 | i.hasBound = true; |
| 8991 | i.doRebind = false; |
| 8992 | } catch (RemoteException e) { |
| 8993 | return false; |
| 8994 | } |
| 8995 | } |
| 8996 | return true; |
| 8997 | } |
| 8998 | |
| 8999 | private final void requestServiceBindingsLocked(ServiceRecord r) { |
| 9000 | Iterator<IntentBindRecord> bindings = r.bindings.values().iterator(); |
| 9001 | while (bindings.hasNext()) { |
| 9002 | IntentBindRecord i = bindings.next(); |
| 9003 | if (!requestServiceBindingLocked(r, i, false)) { |
| 9004 | break; |
| 9005 | } |
| 9006 | } |
| 9007 | } |
| 9008 | |
| 9009 | private final void realStartServiceLocked(ServiceRecord r, |
| 9010 | ProcessRecord app) throws RemoteException { |
| 9011 | if (app.thread == null) { |
| 9012 | throw new RemoteException(); |
| 9013 | } |
| 9014 | |
| 9015 | r.app = app; |
| 9016 | r.restartTime = SystemClock.uptimeMillis(); |
| 9017 | |
| 9018 | app.services.add(r); |
| 9019 | bumpServiceExecutingLocked(r); |
| 9020 | updateLRUListLocked(app, true); |
| 9021 | |
| 9022 | boolean created = false; |
| 9023 | try { |
| 9024 | if (DEBUG_SERVICE) Log.v(TAG, "Scheduling start service: " |
| 9025 | + r.name + " " + r.intent); |
| 9026 | EventLog.writeEvent(LOG_AM_CREATE_SERVICE, |
| 9027 | System.identityHashCode(r), r.shortName, |
| 9028 | r.intent.getIntent().toString(), r.app.pid); |
| 9029 | synchronized (r.stats.getBatteryStats()) { |
| 9030 | r.stats.startLaunchedLocked(); |
| 9031 | } |
| 9032 | app.thread.scheduleCreateService(r, r.serviceInfo); |
| 9033 | created = true; |
| 9034 | } finally { |
| 9035 | if (!created) { |
| 9036 | app.services.remove(r); |
| 9037 | scheduleServiceRestartLocked(r); |
| 9038 | } |
| 9039 | } |
| 9040 | |
| 9041 | requestServiceBindingsLocked(r); |
| 9042 | sendServiceArgsLocked(r, true); |
| 9043 | } |
| 9044 | |
| 9045 | private final void scheduleServiceRestartLocked(ServiceRecord r) { |
| 9046 | r.totalRestartCount++; |
| 9047 | if (r.restartDelay == 0) { |
| 9048 | r.restartCount++; |
| 9049 | r.restartDelay = SERVICE_RESTART_DURATION; |
| 9050 | } else { |
| 9051 | // If it has been a "reasonably long time" since the service |
| 9052 | // was started, then reset our restart duration back to |
| 9053 | // the beginning, so we don't infinitely increase the duration |
| 9054 | // on a service that just occasionally gets killed (which is |
| 9055 | // a normal case, due to process being killed to reclaim memory). |
| 9056 | long now = SystemClock.uptimeMillis(); |
| 9057 | if (now > (r.restartTime+(SERVICE_RESTART_DURATION*2*2*2))) { |
| 9058 | r.restartCount = 1; |
| 9059 | r.restartDelay = SERVICE_RESTART_DURATION; |
| 9060 | } else { |
| 9061 | r.restartDelay *= 2; |
| 9062 | } |
| 9063 | } |
| 9064 | if (!mRestartingServices.contains(r)) { |
| 9065 | mRestartingServices.add(r); |
| 9066 | } |
| 9067 | mHandler.removeCallbacks(r.restarter); |
| 9068 | mHandler.postDelayed(r.restarter, r.restartDelay); |
| 9069 | r.nextRestartTime = SystemClock.uptimeMillis() + r.restartDelay; |
| 9070 | Log.w(TAG, "Scheduling restart of crashed service " |
| 9071 | + r.shortName + " in " + r.restartDelay + "ms"); |
| 9072 | EventLog.writeEvent(LOG_AM_SCHEDULE_SERVICE_RESTART, |
| 9073 | r.shortName, r.restartDelay); |
| 9074 | |
| 9075 | Message msg = Message.obtain(); |
| 9076 | msg.what = SERVICE_ERROR_MSG; |
| 9077 | msg.obj = r; |
| 9078 | mHandler.sendMessage(msg); |
| 9079 | } |
| 9080 | |
| 9081 | final void performServiceRestartLocked(ServiceRecord r) { |
| 9082 | if (!mRestartingServices.contains(r)) { |
| 9083 | return; |
| 9084 | } |
| 9085 | bringUpServiceLocked(r, r.intent.getIntent().getFlags(), true); |
| 9086 | } |
| 9087 | |
| 9088 | private final boolean unscheduleServiceRestartLocked(ServiceRecord r) { |
| 9089 | if (r.restartDelay == 0) { |
| 9090 | return false; |
| 9091 | } |
| 9092 | r.resetRestartCounter(); |
| 9093 | mRestartingServices.remove(r); |
| 9094 | mHandler.removeCallbacks(r.restarter); |
| 9095 | return true; |
| 9096 | } |
| 9097 | |
| 9098 | private final boolean bringUpServiceLocked(ServiceRecord r, |
| 9099 | int intentFlags, boolean whileRestarting) { |
| 9100 | //Log.i(TAG, "Bring up service:"); |
| 9101 | //r.dump(" "); |
| 9102 | |
| 9103 | if (r.app != null) { |
| 9104 | sendServiceArgsLocked(r, false); |
| 9105 | return true; |
| 9106 | } |
| 9107 | |
| 9108 | if (!whileRestarting && r.restartDelay > 0) { |
| 9109 | // If waiting for a restart, then do nothing. |
| 9110 | return true; |
| 9111 | } |
| 9112 | |
| 9113 | if (DEBUG_SERVICE) Log.v(TAG, "Bringing up service " + r.name |
| 9114 | + " " + r.intent); |
| 9115 | |
| 9116 | final String appName = r.processName; |
| 9117 | ProcessRecord app = getProcessRecordLocked(appName, r.appInfo.uid); |
| 9118 | if (app != null && app.thread != null) { |
| 9119 | try { |
| 9120 | realStartServiceLocked(r, app); |
| 9121 | return true; |
| 9122 | } catch (RemoteException e) { |
| 9123 | Log.w(TAG, "Exception when starting service " + r.shortName, e); |
| 9124 | } |
| 9125 | |
| 9126 | // If a dead object exception was thrown -- fall through to |
| 9127 | // restart the application. |
| 9128 | } |
| 9129 | |
| 9130 | if (!mPendingServices.contains(r)) { |
| 9131 | // Not running -- get it started, and enqueue this service record |
| 9132 | // to be executed when the app comes up. |
| 9133 | if (startProcessLocked(appName, r.appInfo, true, intentFlags, |
| 9134 | "service", r.name) == null) { |
| 9135 | Log.w(TAG, "Unable to launch app " |
| 9136 | + r.appInfo.packageName + "/" |
| 9137 | + r.appInfo.uid + " for service " |
| 9138 | + r.intent.getIntent() + ": process is bad"); |
| 9139 | bringDownServiceLocked(r, true); |
| 9140 | return false; |
| 9141 | } |
| 9142 | mPendingServices.add(r); |
| 9143 | } |
| 9144 | return true; |
| 9145 | } |
| 9146 | |
| 9147 | private final void bringDownServiceLocked(ServiceRecord r, boolean force) { |
| 9148 | //Log.i(TAG, "Bring down service:"); |
| 9149 | //r.dump(" "); |
| 9150 | |
| 9151 | // Does it still need to run? |
| 9152 | if (!force && r.startRequested) { |
| 9153 | return; |
| 9154 | } |
| 9155 | if (r.connections.size() > 0) { |
| 9156 | if (!force) { |
| 9157 | // XXX should probably keep a count of the number of auto-create |
| 9158 | // connections directly in the service. |
| 9159 | Iterator<ConnectionRecord> it = r.connections.values().iterator(); |
| 9160 | while (it.hasNext()) { |
| 9161 | ConnectionRecord cr = it.next(); |
| 9162 | if ((cr.flags&Context.BIND_AUTO_CREATE) != 0) { |
| 9163 | return; |
| 9164 | } |
| 9165 | } |
| 9166 | } |
| 9167 | |
| 9168 | // Report to all of the connections that the service is no longer |
| 9169 | // available. |
| 9170 | Iterator<ConnectionRecord> it = r.connections.values().iterator(); |
| 9171 | while (it.hasNext()) { |
| 9172 | ConnectionRecord c = it.next(); |
| 9173 | try { |
| 9174 | // todo: shouldn't be a synchronous call! |
| 9175 | c.conn.connected(r.name, null); |
| 9176 | } catch (Exception e) { |
| 9177 | Log.w(TAG, "Failure disconnecting service " + r.name + |
| 9178 | " to connection " + c.conn.asBinder() + |
| 9179 | " (in " + c.binding.client.processName + ")", e); |
| 9180 | } |
| 9181 | } |
| 9182 | } |
| 9183 | |
| 9184 | // Tell the service that it has been unbound. |
| 9185 | if (r.bindings.size() > 0 && r.app != null && r.app.thread != null) { |
| 9186 | Iterator<IntentBindRecord> it = r.bindings.values().iterator(); |
| 9187 | while (it.hasNext()) { |
| 9188 | IntentBindRecord ibr = it.next(); |
| 9189 | if (DEBUG_SERVICE) Log.v(TAG, "Bringing down binding " + ibr |
| 9190 | + ": hasBound=" + ibr.hasBound); |
| 9191 | if (r.app != null && r.app.thread != null && ibr.hasBound) { |
| 9192 | try { |
| 9193 | bumpServiceExecutingLocked(r); |
| 9194 | updateOomAdjLocked(r.app); |
| 9195 | ibr.hasBound = false; |
| 9196 | r.app.thread.scheduleUnbindService(r, |
| 9197 | ibr.intent.getIntent()); |
| 9198 | } catch (Exception e) { |
| 9199 | Log.w(TAG, "Exception when unbinding service " |
| 9200 | + r.shortName, e); |
| 9201 | serviceDoneExecutingLocked(r, true); |
| 9202 | } |
| 9203 | } |
| 9204 | } |
| 9205 | } |
| 9206 | |
| 9207 | if (DEBUG_SERVICE) Log.v(TAG, "Bringing down service " + r.name |
| 9208 | + " " + r.intent); |
| 9209 | EventLog.writeEvent(LOG_AM_DESTROY_SERVICE, |
| 9210 | System.identityHashCode(r), r.shortName, |
| 9211 | (r.app != null) ? r.app.pid : -1); |
| 9212 | |
| 9213 | mServices.remove(r.name); |
| 9214 | mServicesByIntent.remove(r.intent); |
| 9215 | if (localLOGV) Log.v(TAG, "BRING DOWN SERVICE: " + r.shortName); |
| 9216 | r.totalRestartCount = 0; |
| 9217 | unscheduleServiceRestartLocked(r); |
| 9218 | |
| 9219 | // Also make sure it is not on the pending list. |
| 9220 | int N = mPendingServices.size(); |
| 9221 | for (int i=0; i<N; i++) { |
| 9222 | if (mPendingServices.get(i) == r) { |
| 9223 | mPendingServices.remove(i); |
| 9224 | if (DEBUG_SERVICE) Log.v( |
| 9225 | TAG, "Removed pending service: " + r.shortName); |
| 9226 | i--; |
| 9227 | N--; |
| 9228 | } |
| 9229 | } |
| 9230 | |
| 9231 | if (r.app != null) { |
| 9232 | synchronized (r.stats.getBatteryStats()) { |
| 9233 | r.stats.stopLaunchedLocked(); |
| 9234 | } |
| 9235 | r.app.services.remove(r); |
| 9236 | if (r.app.thread != null) { |
| 9237 | updateServiceForegroundLocked(r.app, false); |
| 9238 | try { |
| 9239 | Log.i(TAG, "Stopping service: " + r.shortName); |
| 9240 | bumpServiceExecutingLocked(r); |
| 9241 | mStoppingServices.add(r); |
| 9242 | updateOomAdjLocked(r.app); |
| 9243 | r.app.thread.scheduleStopService(r); |
| 9244 | } catch (Exception e) { |
| 9245 | Log.w(TAG, "Exception when stopping service " |
| 9246 | + r.shortName, e); |
| 9247 | serviceDoneExecutingLocked(r, true); |
| 9248 | } |
| 9249 | } else { |
| 9250 | if (DEBUG_SERVICE) Log.v( |
| 9251 | TAG, "Removed service that has no process: " + r.shortName); |
| 9252 | } |
| 9253 | } else { |
| 9254 | if (DEBUG_SERVICE) Log.v( |
| 9255 | TAG, "Removed service that is not running: " + r.shortName); |
| 9256 | } |
| 9257 | } |
| 9258 | |
| 9259 | ComponentName startServiceLocked(IApplicationThread caller, |
| 9260 | Intent service, String resolvedType, |
| 9261 | int callingPid, int callingUid) { |
| 9262 | synchronized(this) { |
| 9263 | if (DEBUG_SERVICE) Log.v(TAG, "startService: " + service |
| 9264 | + " type=" + resolvedType + " args=" + service.getExtras()); |
| 9265 | |
| 9266 | if (caller != null) { |
| 9267 | final ProcessRecord callerApp = getRecordForAppLocked(caller); |
| 9268 | if (callerApp == null) { |
| 9269 | throw new SecurityException( |
| 9270 | "Unable to find app for caller " + caller |
| 9271 | + " (pid=" + Binder.getCallingPid() |
| 9272 | + ") when starting service " + service); |
| 9273 | } |
| 9274 | } |
| 9275 | |
| 9276 | ServiceLookupResult res = |
| 9277 | retrieveServiceLocked(service, resolvedType, |
| 9278 | callingPid, callingUid); |
| 9279 | if (res == null) { |
| 9280 | return null; |
| 9281 | } |
| 9282 | if (res.record == null) { |
| 9283 | return new ComponentName("!", res.permission != null |
| 9284 | ? res.permission : "private to package"); |
| 9285 | } |
| 9286 | ServiceRecord r = res.record; |
| 9287 | if (unscheduleServiceRestartLocked(r)) { |
| 9288 | if (DEBUG_SERVICE) Log.v(TAG, "START SERVICE WHILE RESTART PENDING: " |
| 9289 | + r.shortName); |
| 9290 | } |
| 9291 | r.startRequested = true; |
| 9292 | r.startArgs.add(service); |
| 9293 | r.lastStartId++; |
| 9294 | if (r.lastStartId < 1) { |
| 9295 | r.lastStartId = 1; |
| 9296 | } |
| 9297 | r.lastActivity = SystemClock.uptimeMillis(); |
| 9298 | synchronized (r.stats.getBatteryStats()) { |
| 9299 | r.stats.startRunningLocked(); |
| 9300 | } |
| 9301 | if (!bringUpServiceLocked(r, service.getFlags(), false)) { |
| 9302 | return new ComponentName("!", "Service process is bad"); |
| 9303 | } |
| 9304 | return r.name; |
| 9305 | } |
| 9306 | } |
| 9307 | |
| 9308 | public ComponentName startService(IApplicationThread caller, Intent service, |
| 9309 | String resolvedType) { |
| 9310 | // Refuse possible leaked file descriptors |
| 9311 | if (service != null && service.hasFileDescriptors() == true) { |
| 9312 | throw new IllegalArgumentException("File descriptors passed in Intent"); |
| 9313 | } |
| 9314 | |
| 9315 | synchronized(this) { |
| 9316 | final int callingPid = Binder.getCallingPid(); |
| 9317 | final int callingUid = Binder.getCallingUid(); |
| 9318 | final long origId = Binder.clearCallingIdentity(); |
| 9319 | ComponentName res = startServiceLocked(caller, service, |
| 9320 | resolvedType, callingPid, callingUid); |
| 9321 | Binder.restoreCallingIdentity(origId); |
| 9322 | return res; |
| 9323 | } |
| 9324 | } |
| 9325 | |
| 9326 | ComponentName startServiceInPackage(int uid, |
| 9327 | Intent service, String resolvedType) { |
| 9328 | synchronized(this) { |
| 9329 | final long origId = Binder.clearCallingIdentity(); |
| 9330 | ComponentName res = startServiceLocked(null, service, |
| 9331 | resolvedType, -1, uid); |
| 9332 | Binder.restoreCallingIdentity(origId); |
| 9333 | return res; |
| 9334 | } |
| 9335 | } |
| 9336 | |
| 9337 | public int stopService(IApplicationThread caller, Intent service, |
| 9338 | String resolvedType) { |
| 9339 | // Refuse possible leaked file descriptors |
| 9340 | if (service != null && service.hasFileDescriptors() == true) { |
| 9341 | throw new IllegalArgumentException("File descriptors passed in Intent"); |
| 9342 | } |
| 9343 | |
| 9344 | synchronized(this) { |
| 9345 | if (DEBUG_SERVICE) Log.v(TAG, "stopService: " + service |
| 9346 | + " type=" + resolvedType); |
| 9347 | |
| 9348 | final ProcessRecord callerApp = getRecordForAppLocked(caller); |
| 9349 | if (caller != null && callerApp == null) { |
| 9350 | throw new SecurityException( |
| 9351 | "Unable to find app for caller " + caller |
| 9352 | + " (pid=" + Binder.getCallingPid() |
| 9353 | + ") when stopping service " + service); |
| 9354 | } |
| 9355 | |
| 9356 | // If this service is active, make sure it is stopped. |
| 9357 | ServiceLookupResult r = findServiceLocked(service, resolvedType); |
| 9358 | if (r != null) { |
| 9359 | if (r.record != null) { |
| 9360 | synchronized (r.record.stats.getBatteryStats()) { |
| 9361 | r.record.stats.stopRunningLocked(); |
| 9362 | } |
| 9363 | r.record.startRequested = false; |
| 9364 | final long origId = Binder.clearCallingIdentity(); |
| 9365 | bringDownServiceLocked(r.record, false); |
| 9366 | Binder.restoreCallingIdentity(origId); |
| 9367 | return 1; |
| 9368 | } |
| 9369 | return -1; |
| 9370 | } |
| 9371 | } |
| 9372 | |
| 9373 | return 0; |
| 9374 | } |
| 9375 | |
| 9376 | public IBinder peekService(Intent service, String resolvedType) { |
| 9377 | // Refuse possible leaked file descriptors |
| 9378 | if (service != null && service.hasFileDescriptors() == true) { |
| 9379 | throw new IllegalArgumentException("File descriptors passed in Intent"); |
| 9380 | } |
| 9381 | |
| 9382 | IBinder ret = null; |
| 9383 | |
| 9384 | synchronized(this) { |
| 9385 | ServiceLookupResult r = findServiceLocked(service, resolvedType); |
| 9386 | |
| 9387 | if (r != null) { |
| 9388 | // r.record is null if findServiceLocked() failed the caller permission check |
| 9389 | if (r.record == null) { |
| 9390 | throw new SecurityException( |
| 9391 | "Permission Denial: Accessing service " + r.record.name |
| 9392 | + " from pid=" + Binder.getCallingPid() |
| 9393 | + ", uid=" + Binder.getCallingUid() |
| 9394 | + " requires " + r.permission); |
| 9395 | } |
| 9396 | IntentBindRecord ib = r.record.bindings.get(r.record.intent); |
| 9397 | if (ib != null) { |
| 9398 | ret = ib.binder; |
| 9399 | } |
| 9400 | } |
| 9401 | } |
| 9402 | |
| 9403 | return ret; |
| 9404 | } |
| 9405 | |
| 9406 | public boolean stopServiceToken(ComponentName className, IBinder token, |
| 9407 | int startId) { |
| 9408 | synchronized(this) { |
| 9409 | if (DEBUG_SERVICE) Log.v(TAG, "stopServiceToken: " + className |
| 9410 | + " " + token + " startId=" + startId); |
| 9411 | ServiceRecord r = findServiceLocked(className, token); |
| 9412 | if (r != null && (startId < 0 || r.lastStartId == startId)) { |
| 9413 | synchronized (r.stats.getBatteryStats()) { |
| 9414 | r.stats.stopRunningLocked(); |
| 9415 | r.startRequested = false; |
| 9416 | } |
| 9417 | final long origId = Binder.clearCallingIdentity(); |
| 9418 | bringDownServiceLocked(r, false); |
| 9419 | Binder.restoreCallingIdentity(origId); |
| 9420 | return true; |
| 9421 | } |
| 9422 | } |
| 9423 | return false; |
| 9424 | } |
| 9425 | |
| 9426 | public void setServiceForeground(ComponentName className, IBinder token, |
| 9427 | boolean isForeground) { |
| 9428 | synchronized(this) { |
| 9429 | ServiceRecord r = findServiceLocked(className, token); |
| 9430 | if (r != null) { |
| 9431 | if (r.isForeground != isForeground) { |
| 9432 | final long origId = Binder.clearCallingIdentity(); |
| 9433 | r.isForeground = isForeground; |
| 9434 | if (r.app != null) { |
| 9435 | updateServiceForegroundLocked(r.app, true); |
| 9436 | } |
| 9437 | Binder.restoreCallingIdentity(origId); |
| 9438 | } |
| 9439 | } |
| 9440 | } |
| 9441 | } |
| 9442 | |
| 9443 | public void updateServiceForegroundLocked(ProcessRecord proc, boolean oomAdj) { |
| 9444 | boolean anyForeground = false; |
| 9445 | for (ServiceRecord sr : (HashSet<ServiceRecord>)proc.services) { |
| 9446 | if (sr.isForeground) { |
| 9447 | anyForeground = true; |
| 9448 | break; |
| 9449 | } |
| 9450 | } |
| 9451 | if (anyForeground != proc.foregroundServices) { |
| 9452 | proc.foregroundServices = anyForeground; |
| 9453 | if (oomAdj) { |
| 9454 | updateOomAdjLocked(); |
| 9455 | } |
| 9456 | } |
| 9457 | } |
| 9458 | |
| 9459 | public int bindService(IApplicationThread caller, IBinder token, |
| 9460 | Intent service, String resolvedType, |
| 9461 | IServiceConnection connection, int flags) { |
| 9462 | // Refuse possible leaked file descriptors |
| 9463 | if (service != null && service.hasFileDescriptors() == true) { |
| 9464 | throw new IllegalArgumentException("File descriptors passed in Intent"); |
| 9465 | } |
| 9466 | |
| 9467 | synchronized(this) { |
| 9468 | if (DEBUG_SERVICE) Log.v(TAG, "bindService: " + service |
| 9469 | + " type=" + resolvedType + " conn=" + connection.asBinder() |
| 9470 | + " flags=0x" + Integer.toHexString(flags)); |
| 9471 | final ProcessRecord callerApp = getRecordForAppLocked(caller); |
| 9472 | if (callerApp == null) { |
| 9473 | throw new SecurityException( |
| 9474 | "Unable to find app for caller " + caller |
| 9475 | + " (pid=" + Binder.getCallingPid() |
| 9476 | + ") when binding service " + service); |
| 9477 | } |
| 9478 | |
| 9479 | HistoryRecord activity = null; |
| 9480 | if (token != null) { |
| 9481 | int aindex = indexOfTokenLocked(token, false); |
| 9482 | if (aindex < 0) { |
| 9483 | Log.w(TAG, "Binding with unknown activity: " + token); |
| 9484 | return 0; |
| 9485 | } |
| 9486 | activity = (HistoryRecord)mHistory.get(aindex); |
| 9487 | } |
| 9488 | |
| 9489 | ServiceLookupResult res = |
| 9490 | retrieveServiceLocked(service, resolvedType, |
| 9491 | Binder.getCallingPid(), Binder.getCallingUid()); |
| 9492 | if (res == null) { |
| 9493 | return 0; |
| 9494 | } |
| 9495 | if (res.record == null) { |
| 9496 | return -1; |
| 9497 | } |
| 9498 | ServiceRecord s = res.record; |
| 9499 | |
| 9500 | final long origId = Binder.clearCallingIdentity(); |
| 9501 | |
| 9502 | if (unscheduleServiceRestartLocked(s)) { |
| 9503 | if (DEBUG_SERVICE) Log.v(TAG, "BIND SERVICE WHILE RESTART PENDING: " |
| 9504 | + s.shortName); |
| 9505 | } |
| 9506 | |
| 9507 | AppBindRecord b = s.retrieveAppBindingLocked(service, callerApp); |
| 9508 | ConnectionRecord c = new ConnectionRecord(b, activity, |
| 9509 | connection, flags); |
| 9510 | |
| 9511 | IBinder binder = connection.asBinder(); |
| 9512 | s.connections.put(binder, c); |
| 9513 | b.connections.add(c); |
| 9514 | if (activity != null) { |
| 9515 | if (activity.connections == null) { |
| 9516 | activity.connections = new HashSet<ConnectionRecord>(); |
| 9517 | } |
| 9518 | activity.connections.add(c); |
| 9519 | } |
| 9520 | b.client.connections.add(c); |
| 9521 | mServiceConnections.put(binder, c); |
| 9522 | |
| 9523 | if ((flags&Context.BIND_AUTO_CREATE) != 0) { |
| 9524 | s.lastActivity = SystemClock.uptimeMillis(); |
| 9525 | if (!bringUpServiceLocked(s, service.getFlags(), false)) { |
| 9526 | return 0; |
| 9527 | } |
| 9528 | } |
| 9529 | |
| 9530 | if (s.app != null) { |
| 9531 | // This could have made the service more important. |
| 9532 | updateOomAdjLocked(s.app); |
| 9533 | } |
| 9534 | |
| 9535 | if (DEBUG_SERVICE) Log.v(TAG, "Bind " + s + " with " + b |
| 9536 | + ": received=" + b.intent.received |
| 9537 | + " apps=" + b.intent.apps.size() |
| 9538 | + " doRebind=" + b.intent.doRebind); |
| 9539 | |
| 9540 | if (s.app != null && b.intent.received) { |
| 9541 | // Service is already running, so we can immediately |
| 9542 | // publish the connection. |
| 9543 | try { |
| 9544 | c.conn.connected(s.name, b.intent.binder); |
| 9545 | } catch (Exception e) { |
| 9546 | Log.w(TAG, "Failure sending service " + s.shortName |
| 9547 | + " to connection " + c.conn.asBinder() |
| 9548 | + " (in " + c.binding.client.processName + ")", e); |
| 9549 | } |
| 9550 | |
| 9551 | // If this is the first app connected back to this binding, |
| 9552 | // and the service had previously asked to be told when |
| 9553 | // rebound, then do so. |
| 9554 | if (b.intent.apps.size() == 1 && b.intent.doRebind) { |
| 9555 | requestServiceBindingLocked(s, b.intent, true); |
| 9556 | } |
| 9557 | } else if (!b.intent.requested) { |
| 9558 | requestServiceBindingLocked(s, b.intent, false); |
| 9559 | } |
| 9560 | |
| 9561 | Binder.restoreCallingIdentity(origId); |
| 9562 | } |
| 9563 | |
| 9564 | return 1; |
| 9565 | } |
| 9566 | |
| 9567 | private void removeConnectionLocked( |
| 9568 | ConnectionRecord c, ProcessRecord skipApp, HistoryRecord skipAct) { |
| 9569 | IBinder binder = c.conn.asBinder(); |
| 9570 | AppBindRecord b = c.binding; |
| 9571 | ServiceRecord s = b.service; |
| 9572 | s.connections.remove(binder); |
| 9573 | b.connections.remove(c); |
| 9574 | if (c.activity != null && c.activity != skipAct) { |
| 9575 | if (c.activity.connections != null) { |
| 9576 | c.activity.connections.remove(c); |
| 9577 | } |
| 9578 | } |
| 9579 | if (b.client != skipApp) { |
| 9580 | b.client.connections.remove(c); |
| 9581 | } |
| 9582 | mServiceConnections.remove(binder); |
| 9583 | |
| 9584 | if (b.connections.size() == 0) { |
| 9585 | b.intent.apps.remove(b.client); |
| 9586 | } |
| 9587 | |
| 9588 | if (DEBUG_SERVICE) Log.v(TAG, "Disconnecting binding " + b.intent |
| 9589 | + ": shouldUnbind=" + b.intent.hasBound); |
| 9590 | if (s.app != null && s.app.thread != null && b.intent.apps.size() == 0 |
| 9591 | && b.intent.hasBound) { |
| 9592 | try { |
| 9593 | bumpServiceExecutingLocked(s); |
| 9594 | updateOomAdjLocked(s.app); |
| 9595 | b.intent.hasBound = false; |
| 9596 | // Assume the client doesn't want to know about a rebind; |
| 9597 | // we will deal with that later if it asks for one. |
| 9598 | b.intent.doRebind = false; |
| 9599 | s.app.thread.scheduleUnbindService(s, b.intent.intent.getIntent()); |
| 9600 | } catch (Exception e) { |
| 9601 | Log.w(TAG, "Exception when unbinding service " + s.shortName, e); |
| 9602 | serviceDoneExecutingLocked(s, true); |
| 9603 | } |
| 9604 | } |
| 9605 | |
| 9606 | if ((c.flags&Context.BIND_AUTO_CREATE) != 0) { |
| 9607 | bringDownServiceLocked(s, false); |
| 9608 | } |
| 9609 | } |
| 9610 | |
| 9611 | public boolean unbindService(IServiceConnection connection) { |
| 9612 | synchronized (this) { |
| 9613 | IBinder binder = connection.asBinder(); |
| 9614 | if (DEBUG_SERVICE) Log.v(TAG, "unbindService: conn=" + binder); |
| 9615 | ConnectionRecord r = mServiceConnections.get(binder); |
| 9616 | if (r == null) { |
| 9617 | Log.w(TAG, "Unbind failed: could not find connection for " |
| 9618 | + connection.asBinder()); |
| 9619 | return false; |
| 9620 | } |
| 9621 | |
| 9622 | final long origId = Binder.clearCallingIdentity(); |
| 9623 | |
| 9624 | removeConnectionLocked(r, null, null); |
| 9625 | |
| 9626 | if (r.binding.service.app != null) { |
| 9627 | // This could have made the service less important. |
| 9628 | updateOomAdjLocked(r.binding.service.app); |
| 9629 | } |
| 9630 | |
| 9631 | Binder.restoreCallingIdentity(origId); |
| 9632 | } |
| 9633 | |
| 9634 | return true; |
| 9635 | } |
| 9636 | |
| 9637 | public void publishService(IBinder token, Intent intent, IBinder service) { |
| 9638 | // Refuse possible leaked file descriptors |
| 9639 | if (intent != null && intent.hasFileDescriptors() == true) { |
| 9640 | throw new IllegalArgumentException("File descriptors passed in Intent"); |
| 9641 | } |
| 9642 | |
| 9643 | synchronized(this) { |
| 9644 | if (!(token instanceof ServiceRecord)) { |
| 9645 | throw new IllegalArgumentException("Invalid service token"); |
| 9646 | } |
| 9647 | ServiceRecord r = (ServiceRecord)token; |
| 9648 | |
| 9649 | final long origId = Binder.clearCallingIdentity(); |
| 9650 | |
| 9651 | if (DEBUG_SERVICE) Log.v(TAG, "PUBLISHING SERVICE " + r.name |
| 9652 | + " " + intent + ": " + service); |
| 9653 | if (r != null) { |
| 9654 | Intent.FilterComparison filter |
| 9655 | = new Intent.FilterComparison(intent); |
| 9656 | IntentBindRecord b = r.bindings.get(filter); |
| 9657 | if (b != null && !b.received) { |
| 9658 | b.binder = service; |
| 9659 | b.requested = true; |
| 9660 | b.received = true; |
| 9661 | if (r.connections.size() > 0) { |
| 9662 | Iterator<ConnectionRecord> it |
| 9663 | = r.connections.values().iterator(); |
| 9664 | while (it.hasNext()) { |
| 9665 | ConnectionRecord c = it.next(); |
| 9666 | if (!filter.equals(c.binding.intent.intent)) { |
| 9667 | if (DEBUG_SERVICE) Log.v( |
| 9668 | TAG, "Not publishing to: " + c); |
| 9669 | if (DEBUG_SERVICE) Log.v( |
| 9670 | TAG, "Bound intent: " + c.binding.intent.intent); |
| 9671 | if (DEBUG_SERVICE) Log.v( |
| 9672 | TAG, "Published intent: " + intent); |
| 9673 | continue; |
| 9674 | } |
| 9675 | if (DEBUG_SERVICE) Log.v(TAG, "Publishing to: " + c); |
| 9676 | try { |
| 9677 | c.conn.connected(r.name, service); |
| 9678 | } catch (Exception e) { |
| 9679 | Log.w(TAG, "Failure sending service " + r.name + |
| 9680 | " to connection " + c.conn.asBinder() + |
| 9681 | " (in " + c.binding.client.processName + ")", e); |
| 9682 | } |
| 9683 | } |
| 9684 | } |
| 9685 | } |
| 9686 | |
| 9687 | serviceDoneExecutingLocked(r, mStoppingServices.contains(r)); |
| 9688 | |
| 9689 | Binder.restoreCallingIdentity(origId); |
| 9690 | } |
| 9691 | } |
| 9692 | } |
| 9693 | |
| 9694 | public void unbindFinished(IBinder token, Intent intent, boolean doRebind) { |
| 9695 | // Refuse possible leaked file descriptors |
| 9696 | if (intent != null && intent.hasFileDescriptors() == true) { |
| 9697 | throw new IllegalArgumentException("File descriptors passed in Intent"); |
| 9698 | } |
| 9699 | |
| 9700 | synchronized(this) { |
| 9701 | if (!(token instanceof ServiceRecord)) { |
| 9702 | throw new IllegalArgumentException("Invalid service token"); |
| 9703 | } |
| 9704 | ServiceRecord r = (ServiceRecord)token; |
| 9705 | |
| 9706 | final long origId = Binder.clearCallingIdentity(); |
| 9707 | |
| 9708 | if (r != null) { |
| 9709 | Intent.FilterComparison filter |
| 9710 | = new Intent.FilterComparison(intent); |
| 9711 | IntentBindRecord b = r.bindings.get(filter); |
| 9712 | if (DEBUG_SERVICE) Log.v(TAG, "unbindFinished in " + r |
| 9713 | + " at " + b + ": apps=" |
| 9714 | + (b != null ? b.apps.size() : 0)); |
| 9715 | if (b != null) { |
| 9716 | if (b.apps.size() > 0) { |
| 9717 | // Applications have already bound since the last |
| 9718 | // unbind, so just rebind right here. |
| 9719 | requestServiceBindingLocked(r, b, true); |
| 9720 | } else { |
| 9721 | // Note to tell the service the next time there is |
| 9722 | // a new client. |
| 9723 | b.doRebind = true; |
| 9724 | } |
| 9725 | } |
| 9726 | |
| 9727 | serviceDoneExecutingLocked(r, mStoppingServices.contains(r)); |
| 9728 | |
| 9729 | Binder.restoreCallingIdentity(origId); |
| 9730 | } |
| 9731 | } |
| 9732 | } |
| 9733 | |
| 9734 | public void serviceDoneExecuting(IBinder token) { |
| 9735 | synchronized(this) { |
| 9736 | if (!(token instanceof ServiceRecord)) { |
| 9737 | throw new IllegalArgumentException("Invalid service token"); |
| 9738 | } |
| 9739 | ServiceRecord r = (ServiceRecord)token; |
| 9740 | boolean inStopping = mStoppingServices.contains(token); |
| 9741 | if (r != null) { |
| 9742 | if (DEBUG_SERVICE) Log.v(TAG, "DONE EXECUTING SERVICE " + r.name |
| 9743 | + ": nesting=" + r.executeNesting |
| 9744 | + ", inStopping=" + inStopping); |
| 9745 | if (r != token) { |
| 9746 | Log.w(TAG, "Done executing service " + r.name |
| 9747 | + " with incorrect token: given " + token |
| 9748 | + ", expected " + r); |
| 9749 | return; |
| 9750 | } |
| 9751 | |
| 9752 | final long origId = Binder.clearCallingIdentity(); |
| 9753 | serviceDoneExecutingLocked(r, inStopping); |
| 9754 | Binder.restoreCallingIdentity(origId); |
| 9755 | } else { |
| 9756 | Log.w(TAG, "Done executing unknown service " + r.name |
| 9757 | + " with token " + token); |
| 9758 | } |
| 9759 | } |
| 9760 | } |
| 9761 | |
| 9762 | public void serviceDoneExecutingLocked(ServiceRecord r, boolean inStopping) { |
| 9763 | r.executeNesting--; |
| 9764 | if (r.executeNesting <= 0 && r.app != null) { |
| 9765 | r.app.executingServices.remove(r); |
| 9766 | if (r.app.executingServices.size() == 0) { |
| 9767 | mHandler.removeMessages(SERVICE_TIMEOUT_MSG, r.app); |
| 9768 | } |
| 9769 | if (inStopping) { |
| 9770 | mStoppingServices.remove(r); |
| 9771 | } |
| 9772 | updateOomAdjLocked(r.app); |
| 9773 | } |
| 9774 | } |
| 9775 | |
| 9776 | void serviceTimeout(ProcessRecord proc) { |
| 9777 | synchronized(this) { |
| 9778 | if (proc.executingServices.size() == 0 || proc.thread == null) { |
| 9779 | return; |
| 9780 | } |
| 9781 | long maxTime = SystemClock.uptimeMillis() - SERVICE_TIMEOUT; |
| 9782 | Iterator<ServiceRecord> it = proc.executingServices.iterator(); |
| 9783 | ServiceRecord timeout = null; |
| 9784 | long nextTime = 0; |
| 9785 | while (it.hasNext()) { |
| 9786 | ServiceRecord sr = it.next(); |
| 9787 | if (sr.executingStart < maxTime) { |
| 9788 | timeout = sr; |
| 9789 | break; |
| 9790 | } |
| 9791 | if (sr.executingStart > nextTime) { |
| 9792 | nextTime = sr.executingStart; |
| 9793 | } |
| 9794 | } |
| 9795 | if (timeout != null && mLRUProcesses.contains(proc)) { |
| 9796 | Log.w(TAG, "Timeout executing service: " + timeout); |
| 9797 | appNotRespondingLocked(proc, null, "Executing service " |
| 9798 | + timeout.name); |
| 9799 | } else { |
| 9800 | Message msg = mHandler.obtainMessage(SERVICE_TIMEOUT_MSG); |
| 9801 | msg.obj = proc; |
| 9802 | mHandler.sendMessageAtTime(msg, nextTime+SERVICE_TIMEOUT); |
| 9803 | } |
| 9804 | } |
| 9805 | } |
| 9806 | |
| 9807 | // ========================================================= |
| 9808 | // BROADCASTS |
| 9809 | // ========================================================= |
| 9810 | |
| 9811 | private final List getStickies(String action, IntentFilter filter, |
| 9812 | List cur) { |
| 9813 | final ContentResolver resolver = mContext.getContentResolver(); |
| 9814 | final ArrayList<Intent> list = mStickyBroadcasts.get(action); |
| 9815 | if (list == null) { |
| 9816 | return cur; |
| 9817 | } |
| 9818 | int N = list.size(); |
| 9819 | for (int i=0; i<N; i++) { |
| 9820 | Intent intent = list.get(i); |
| 9821 | if (filter.match(resolver, intent, true, TAG) >= 0) { |
| 9822 | if (cur == null) { |
| 9823 | cur = new ArrayList<Intent>(); |
| 9824 | } |
| 9825 | cur.add(intent); |
| 9826 | } |
| 9827 | } |
| 9828 | return cur; |
| 9829 | } |
| 9830 | |
| 9831 | private final void scheduleBroadcastsLocked() { |
| 9832 | if (DEBUG_BROADCAST) Log.v(TAG, "Schedule broadcasts: current=" |
| 9833 | + mBroadcastsScheduled); |
| 9834 | |
| 9835 | if (mBroadcastsScheduled) { |
| 9836 | return; |
| 9837 | } |
| 9838 | mHandler.sendEmptyMessage(BROADCAST_INTENT_MSG); |
| 9839 | mBroadcastsScheduled = true; |
| 9840 | } |
| 9841 | |
| 9842 | public Intent registerReceiver(IApplicationThread caller, |
| 9843 | IIntentReceiver receiver, IntentFilter filter, String permission) { |
| 9844 | synchronized(this) { |
| 9845 | ProcessRecord callerApp = null; |
| 9846 | if (caller != null) { |
| 9847 | callerApp = getRecordForAppLocked(caller); |
| 9848 | if (callerApp == null) { |
| 9849 | throw new SecurityException( |
| 9850 | "Unable to find app for caller " + caller |
| 9851 | + " (pid=" + Binder.getCallingPid() |
| 9852 | + ") when registering receiver " + receiver); |
| 9853 | } |
| 9854 | } |
| 9855 | |
| 9856 | List allSticky = null; |
| 9857 | |
| 9858 | // Look for any matching sticky broadcasts... |
| 9859 | Iterator actions = filter.actionsIterator(); |
| 9860 | if (actions != null) { |
| 9861 | while (actions.hasNext()) { |
| 9862 | String action = (String)actions.next(); |
| 9863 | allSticky = getStickies(action, filter, allSticky); |
| 9864 | } |
| 9865 | } else { |
| 9866 | allSticky = getStickies(null, filter, allSticky); |
| 9867 | } |
| 9868 | |
| 9869 | // The first sticky in the list is returned directly back to |
| 9870 | // the client. |
| 9871 | Intent sticky = allSticky != null ? (Intent)allSticky.get(0) : null; |
| 9872 | |
| 9873 | if (DEBUG_BROADCAST) Log.v(TAG, "Register receiver " + filter |
| 9874 | + ": " + sticky); |
| 9875 | |
| 9876 | if (receiver == null) { |
| 9877 | return sticky; |
| 9878 | } |
| 9879 | |
| 9880 | ReceiverList rl |
| 9881 | = (ReceiverList)mRegisteredReceivers.get(receiver.asBinder()); |
| 9882 | if (rl == null) { |
| 9883 | rl = new ReceiverList(this, callerApp, |
| 9884 | Binder.getCallingPid(), |
| 9885 | Binder.getCallingUid(), receiver); |
| 9886 | if (rl.app != null) { |
| 9887 | rl.app.receivers.add(rl); |
| 9888 | } else { |
| 9889 | try { |
| 9890 | receiver.asBinder().linkToDeath(rl, 0); |
| 9891 | } catch (RemoteException e) { |
| 9892 | return sticky; |
| 9893 | } |
| 9894 | rl.linkedToDeath = true; |
| 9895 | } |
| 9896 | mRegisteredReceivers.put(receiver.asBinder(), rl); |
| 9897 | } |
| 9898 | BroadcastFilter bf = new BroadcastFilter(filter, rl, permission); |
| 9899 | rl.add(bf); |
| 9900 | if (!bf.debugCheck()) { |
| 9901 | Log.w(TAG, "==> For Dynamic broadast"); |
| 9902 | } |
| 9903 | mReceiverResolver.addFilter(bf); |
| 9904 | |
| 9905 | // Enqueue broadcasts for all existing stickies that match |
| 9906 | // this filter. |
| 9907 | if (allSticky != null) { |
| 9908 | ArrayList receivers = new ArrayList(); |
| 9909 | receivers.add(bf); |
| 9910 | |
| 9911 | int N = allSticky.size(); |
| 9912 | for (int i=0; i<N; i++) { |
| 9913 | Intent intent = (Intent)allSticky.get(i); |
| 9914 | BroadcastRecord r = new BroadcastRecord(intent, null, |
| 9915 | null, -1, -1, null, receivers, null, 0, null, null, |
| 9916 | false); |
| 9917 | if (mParallelBroadcasts.size() == 0) { |
| 9918 | scheduleBroadcastsLocked(); |
| 9919 | } |
| 9920 | mParallelBroadcasts.add(r); |
| 9921 | } |
| 9922 | } |
| 9923 | |
| 9924 | return sticky; |
| 9925 | } |
| 9926 | } |
| 9927 | |
| 9928 | public void unregisterReceiver(IIntentReceiver receiver) { |
| 9929 | if (DEBUG_BROADCAST) Log.v(TAG, "Unregister receiver: " + receiver); |
| 9930 | |
| 9931 | boolean doNext = false; |
| 9932 | |
| 9933 | synchronized(this) { |
| 9934 | ReceiverList rl |
| 9935 | = (ReceiverList)mRegisteredReceivers.get(receiver.asBinder()); |
| 9936 | if (rl != null) { |
| 9937 | if (rl.curBroadcast != null) { |
| 9938 | BroadcastRecord r = rl.curBroadcast; |
| 9939 | doNext = finishReceiverLocked( |
| 9940 | receiver.asBinder(), r.resultCode, r.resultData, |
| 9941 | r.resultExtras, r.resultAbort, true); |
| 9942 | } |
| 9943 | |
| 9944 | if (rl.app != null) { |
| 9945 | rl.app.receivers.remove(rl); |
| 9946 | } |
| 9947 | removeReceiverLocked(rl); |
| 9948 | if (rl.linkedToDeath) { |
| 9949 | rl.linkedToDeath = false; |
| 9950 | rl.receiver.asBinder().unlinkToDeath(rl, 0); |
| 9951 | } |
| 9952 | } |
| 9953 | } |
| 9954 | |
| 9955 | if (!doNext) { |
| 9956 | return; |
| 9957 | } |
| 9958 | |
| 9959 | final long origId = Binder.clearCallingIdentity(); |
| 9960 | processNextBroadcast(false); |
| 9961 | trimApplications(); |
| 9962 | Binder.restoreCallingIdentity(origId); |
| 9963 | } |
| 9964 | |
| 9965 | void removeReceiverLocked(ReceiverList rl) { |
| 9966 | mRegisteredReceivers.remove(rl.receiver.asBinder()); |
| 9967 | int N = rl.size(); |
| 9968 | for (int i=0; i<N; i++) { |
| 9969 | mReceiverResolver.removeFilter(rl.get(i)); |
| 9970 | } |
| 9971 | } |
| 9972 | |
| 9973 | private final int broadcastIntentLocked(ProcessRecord callerApp, |
| 9974 | String callerPackage, Intent intent, String resolvedType, |
| 9975 | IIntentReceiver resultTo, int resultCode, String resultData, |
| 9976 | Bundle map, String requiredPermission, |
| 9977 | boolean ordered, boolean sticky, int callingPid, int callingUid) { |
| 9978 | intent = new Intent(intent); |
| 9979 | |
| 9980 | if (DEBUG_BROADCAST) Log.v( |
| 9981 | TAG, (sticky ? "Broadcast sticky: ": "Broadcast: ") + intent |
| 9982 | + " ordered=" + ordered); |
| 9983 | if ((resultTo != null) && !ordered) { |
| 9984 | Log.w(TAG, "Broadcast " + intent + " not ordered but result callback requested!"); |
| 9985 | } |
| 9986 | |
| 9987 | // Handle special intents: if this broadcast is from the package |
| 9988 | // manager about a package being removed, we need to remove all of |
| 9989 | // its activities from the history stack. |
| 9990 | final boolean uidRemoved = intent.ACTION_UID_REMOVED.equals( |
| 9991 | intent.getAction()); |
| 9992 | if (intent.ACTION_PACKAGE_REMOVED.equals(intent.getAction()) |
| 9993 | || intent.ACTION_PACKAGE_CHANGED.equals(intent.getAction()) |
| 9994 | || uidRemoved) { |
| 9995 | if (checkComponentPermission( |
| 9996 | android.Manifest.permission.BROADCAST_PACKAGE_REMOVED, |
| 9997 | callingPid, callingUid, -1) |
| 9998 | == PackageManager.PERMISSION_GRANTED) { |
| 9999 | if (uidRemoved) { |
| 10000 | final Bundle intentExtras = intent.getExtras(); |
| 10001 | final int uid = intentExtras != null |
| 10002 | ? intentExtras.getInt(Intent.EXTRA_UID) : -1; |
| 10003 | if (uid >= 0) { |
| 10004 | BatteryStatsImpl bs = mBatteryStatsService.getActiveStatistics(); |
| 10005 | synchronized (bs) { |
| 10006 | bs.removeUidStatsLocked(uid); |
| 10007 | } |
| 10008 | } |
| 10009 | } else { |
| 10010 | Uri data = intent.getData(); |
| 10011 | String ssp; |
| 10012 | if (data != null && (ssp=data.getSchemeSpecificPart()) != null) { |
| 10013 | if (!intent.getBooleanExtra(Intent.EXTRA_DONT_KILL_APP, false)) { |
| 10014 | uninstallPackageLocked(ssp, |
| 10015 | intent.getIntExtra(Intent.EXTRA_UID, -1), false); |
| 10016 | } |
| 10017 | } |
| 10018 | } |
| 10019 | } else { |
| 10020 | String msg = "Permission Denial: " + intent.getAction() |
| 10021 | + " broadcast from " + callerPackage + " (pid=" + callingPid |
| 10022 | + ", uid=" + callingUid + ")" |
| 10023 | + " requires " |
| 10024 | + android.Manifest.permission.BROADCAST_PACKAGE_REMOVED; |
| 10025 | Log.w(TAG, msg); |
| 10026 | throw new SecurityException(msg); |
| 10027 | } |
| 10028 | } |
| 10029 | |
| 10030 | /* |
| 10031 | * If this is the time zone changed action, queue up a message that will reset the timezone |
| 10032 | * of all currently running processes. This message will get queued up before the broadcast |
| 10033 | * happens. |
| 10034 | */ |
| 10035 | if (intent.ACTION_TIMEZONE_CHANGED.equals(intent.getAction())) { |
| 10036 | mHandler.sendEmptyMessage(UPDATE_TIME_ZONE); |
| 10037 | } |
| 10038 | |
| 10039 | // Add to the sticky list if requested. |
| 10040 | if (sticky) { |
| 10041 | if (checkPermission(android.Manifest.permission.BROADCAST_STICKY, |
| 10042 | callingPid, callingUid) |
| 10043 | != PackageManager.PERMISSION_GRANTED) { |
| 10044 | String msg = "Permission Denial: broadcastIntent() requesting a sticky broadcast from pid=" |
| 10045 | + callingPid + ", uid=" + callingUid |
| 10046 | + " requires " + android.Manifest.permission.BROADCAST_STICKY; |
| 10047 | Log.w(TAG, msg); |
| 10048 | throw new SecurityException(msg); |
| 10049 | } |
| 10050 | if (requiredPermission != null) { |
| 10051 | Log.w(TAG, "Can't broadcast sticky intent " + intent |
| 10052 | + " and enforce permission " + requiredPermission); |
| 10053 | return BROADCAST_STICKY_CANT_HAVE_PERMISSION; |
| 10054 | } |
| 10055 | if (intent.getComponent() != null) { |
| 10056 | throw new SecurityException( |
| 10057 | "Sticky broadcasts can't target a specific component"); |
| 10058 | } |
| 10059 | ArrayList<Intent> list = mStickyBroadcasts.get(intent.getAction()); |
| 10060 | if (list == null) { |
| 10061 | list = new ArrayList<Intent>(); |
| 10062 | mStickyBroadcasts.put(intent.getAction(), list); |
| 10063 | } |
| 10064 | int N = list.size(); |
| 10065 | int i; |
| 10066 | for (i=0; i<N; i++) { |
| 10067 | if (intent.filterEquals(list.get(i))) { |
| 10068 | // This sticky already exists, replace it. |
| 10069 | list.set(i, new Intent(intent)); |
| 10070 | break; |
| 10071 | } |
| 10072 | } |
| 10073 | if (i >= N) { |
| 10074 | list.add(new Intent(intent)); |
| 10075 | } |
| 10076 | } |
| 10077 | |
| 10078 | final ContentResolver resolver = mContext.getContentResolver(); |
| 10079 | |
| 10080 | // Figure out who all will receive this broadcast. |
| 10081 | List receivers = null; |
| 10082 | List<BroadcastFilter> registeredReceivers = null; |
| 10083 | try { |
| 10084 | if (intent.getComponent() != null) { |
| 10085 | // Broadcast is going to one specific receiver class... |
| 10086 | ActivityInfo ai = ActivityThread.getPackageManager(). |
| 10087 | getReceiverInfo(intent.getComponent(), 0); |
| 10088 | if (ai != null) { |
| 10089 | receivers = new ArrayList(); |
| 10090 | ResolveInfo ri = new ResolveInfo(); |
| 10091 | ri.activityInfo = ai; |
| 10092 | receivers.add(ri); |
| 10093 | } |
| 10094 | } else { |
| 10095 | // Need to resolve the intent to interested receivers... |
| 10096 | if ((intent.getFlags()&Intent.FLAG_RECEIVER_REGISTERED_ONLY) |
| 10097 | == 0) { |
| 10098 | receivers = |
| 10099 | ActivityThread.getPackageManager().queryIntentReceivers( |
| 10100 | intent, resolvedType, PackageManager.GET_SHARED_LIBRARY_FILES); |
| 10101 | } |
| 10102 | registeredReceivers = mReceiverResolver.queryIntent(resolver, |
| 10103 | intent, resolvedType, false); |
| 10104 | } |
| 10105 | } catch (RemoteException ex) { |
| 10106 | // pm is in same process, this will never happen. |
| 10107 | } |
| 10108 | |
| 10109 | int NR = registeredReceivers != null ? registeredReceivers.size() : 0; |
| 10110 | if (!ordered && NR > 0) { |
| 10111 | // If we are not serializing this broadcast, then send the |
| 10112 | // registered receivers separately so they don't wait for the |
| 10113 | // components to be launched. |
| 10114 | BroadcastRecord r = new BroadcastRecord(intent, callerApp, |
| 10115 | callerPackage, callingPid, callingUid, requiredPermission, |
| 10116 | registeredReceivers, resultTo, resultCode, resultData, map, |
| 10117 | ordered); |
| 10118 | if (DEBUG_BROADCAST) Log.v( |
| 10119 | TAG, "Enqueueing parallel broadcast " + r |
| 10120 | + ": prev had " + mParallelBroadcasts.size()); |
| 10121 | mParallelBroadcasts.add(r); |
| 10122 | scheduleBroadcastsLocked(); |
| 10123 | registeredReceivers = null; |
| 10124 | NR = 0; |
| 10125 | } |
| 10126 | |
| 10127 | // Merge into one list. |
| 10128 | int ir = 0; |
| 10129 | if (receivers != null) { |
| 10130 | // A special case for PACKAGE_ADDED: do not allow the package |
| 10131 | // being added to see this broadcast. This prevents them from |
| 10132 | // using this as a back door to get run as soon as they are |
| 10133 | // installed. Maybe in the future we want to have a special install |
| 10134 | // broadcast or such for apps, but we'd like to deliberately make |
| 10135 | // this decision. |
| 10136 | String skipPackage = (intent.ACTION_PACKAGE_ADDED.equals( |
| 10137 | intent.getAction()) && intent.getData() != null) |
| 10138 | ? intent.getData().getSchemeSpecificPart() |
| 10139 | : null; |
| 10140 | if (skipPackage != null && receivers != null) { |
| 10141 | int NT = receivers.size(); |
| 10142 | for (int it=0; it<NT; it++) { |
| 10143 | ResolveInfo curt = (ResolveInfo)receivers.get(it); |
| 10144 | if (curt.activityInfo.packageName.equals(skipPackage)) { |
| 10145 | receivers.remove(it); |
| 10146 | it--; |
| 10147 | NT--; |
| 10148 | } |
| 10149 | } |
| 10150 | } |
| 10151 | |
| 10152 | int NT = receivers != null ? receivers.size() : 0; |
| 10153 | int it = 0; |
| 10154 | ResolveInfo curt = null; |
| 10155 | BroadcastFilter curr = null; |
| 10156 | while (it < NT && ir < NR) { |
| 10157 | if (curt == null) { |
| 10158 | curt = (ResolveInfo)receivers.get(it); |
| 10159 | } |
| 10160 | if (curr == null) { |
| 10161 | curr = registeredReceivers.get(ir); |
| 10162 | } |
| 10163 | if (curr.getPriority() >= curt.priority) { |
| 10164 | // Insert this broadcast record into the final list. |
| 10165 | receivers.add(it, curr); |
| 10166 | ir++; |
| 10167 | curr = null; |
| 10168 | it++; |
| 10169 | NT++; |
| 10170 | } else { |
| 10171 | // Skip to the next ResolveInfo in the final list. |
| 10172 | it++; |
| 10173 | curt = null; |
| 10174 | } |
| 10175 | } |
| 10176 | } |
| 10177 | while (ir < NR) { |
| 10178 | if (receivers == null) { |
| 10179 | receivers = new ArrayList(); |
| 10180 | } |
| 10181 | receivers.add(registeredReceivers.get(ir)); |
| 10182 | ir++; |
| 10183 | } |
| 10184 | |
| 10185 | if ((receivers != null && receivers.size() > 0) |
| 10186 | || resultTo != null) { |
| 10187 | BroadcastRecord r = new BroadcastRecord(intent, callerApp, |
| 10188 | callerPackage, callingPid, callingUid, requiredPermission, |
| 10189 | receivers, resultTo, resultCode, resultData, map, ordered); |
| 10190 | if (DEBUG_BROADCAST) Log.v( |
| 10191 | TAG, "Enqueueing ordered broadcast " + r |
| 10192 | + ": prev had " + mOrderedBroadcasts.size()); |
| 10193 | if (DEBUG_BROADCAST) { |
| 10194 | int seq = r.intent.getIntExtra("seq", -1); |
| 10195 | Log.i(TAG, "Enqueueing broadcast " + r.intent.getAction() + " seq=" + seq); |
| 10196 | } |
| 10197 | mOrderedBroadcasts.add(r); |
| 10198 | scheduleBroadcastsLocked(); |
| 10199 | } |
| 10200 | |
| 10201 | return BROADCAST_SUCCESS; |
| 10202 | } |
| 10203 | |
| 10204 | public final int broadcastIntent(IApplicationThread caller, |
| 10205 | Intent intent, String resolvedType, IIntentReceiver resultTo, |
| 10206 | int resultCode, String resultData, Bundle map, |
| 10207 | String requiredPermission, boolean serialized, boolean sticky) { |
| 10208 | // Refuse possible leaked file descriptors |
| 10209 | if (intent != null && intent.hasFileDescriptors() == true) { |
| 10210 | throw new IllegalArgumentException("File descriptors passed in Intent"); |
| 10211 | } |
| 10212 | |
| 10213 | synchronized(this) { |
| 10214 | if (!mSystemReady) { |
| 10215 | // if the caller really truly claims to know what they're doing, go |
| 10216 | // ahead and allow the broadcast without launching any receivers |
| 10217 | int flags = intent.getFlags(); |
| 10218 | if ((flags&Intent.FLAG_RECEIVER_REGISTERED_ONLY_BEFORE_BOOT) != 0) { |
| 10219 | intent = new Intent(intent); |
| 10220 | intent.addFlags(Intent.FLAG_RECEIVER_REGISTERED_ONLY); |
| 10221 | } else if ((flags&Intent.FLAG_RECEIVER_REGISTERED_ONLY) == 0){ |
| 10222 | Log.e(TAG, "Attempt to launch receivers of broadcast intent " + intent |
| 10223 | + " before boot completion"); |
| 10224 | throw new IllegalStateException("Cannot broadcast before boot completed"); |
| 10225 | } |
| 10226 | } |
| 10227 | |
| 10228 | final ProcessRecord callerApp = getRecordForAppLocked(caller); |
| 10229 | final int callingPid = Binder.getCallingPid(); |
| 10230 | final int callingUid = Binder.getCallingUid(); |
| 10231 | final long origId = Binder.clearCallingIdentity(); |
| 10232 | int res = broadcastIntentLocked(callerApp, |
| 10233 | callerApp != null ? callerApp.info.packageName : null, |
| 10234 | intent, resolvedType, resultTo, |
| 10235 | resultCode, resultData, map, requiredPermission, serialized, |
| 10236 | sticky, callingPid, callingUid); |
| 10237 | Binder.restoreCallingIdentity(origId); |
| 10238 | return res; |
| 10239 | } |
| 10240 | } |
| 10241 | |
| 10242 | int broadcastIntentInPackage(String packageName, int uid, |
| 10243 | Intent intent, String resolvedType, IIntentReceiver resultTo, |
| 10244 | int resultCode, String resultData, Bundle map, |
| 10245 | String requiredPermission, boolean serialized, boolean sticky) { |
| 10246 | synchronized(this) { |
| 10247 | final long origId = Binder.clearCallingIdentity(); |
| 10248 | int res = broadcastIntentLocked(null, packageName, intent, resolvedType, |
| 10249 | resultTo, resultCode, resultData, map, requiredPermission, |
| 10250 | serialized, sticky, -1, uid); |
| 10251 | Binder.restoreCallingIdentity(origId); |
| 10252 | return res; |
| 10253 | } |
| 10254 | } |
| 10255 | |
| 10256 | public final void unbroadcastIntent(IApplicationThread caller, |
| 10257 | Intent intent) { |
| 10258 | // Refuse possible leaked file descriptors |
| 10259 | if (intent != null && intent.hasFileDescriptors() == true) { |
| 10260 | throw new IllegalArgumentException("File descriptors passed in Intent"); |
| 10261 | } |
| 10262 | |
| 10263 | synchronized(this) { |
| 10264 | if (checkCallingPermission(android.Manifest.permission.BROADCAST_STICKY) |
| 10265 | != PackageManager.PERMISSION_GRANTED) { |
| 10266 | String msg = "Permission Denial: unbroadcastIntent() from pid=" |
| 10267 | + Binder.getCallingPid() |
| 10268 | + ", uid=" + Binder.getCallingUid() |
| 10269 | + " requires " + android.Manifest.permission.BROADCAST_STICKY; |
| 10270 | Log.w(TAG, msg); |
| 10271 | throw new SecurityException(msg); |
| 10272 | } |
| 10273 | ArrayList<Intent> list = mStickyBroadcasts.get(intent.getAction()); |
| 10274 | if (list != null) { |
| 10275 | int N = list.size(); |
| 10276 | int i; |
| 10277 | for (i=0; i<N; i++) { |
| 10278 | if (intent.filterEquals(list.get(i))) { |
| 10279 | list.remove(i); |
| 10280 | break; |
| 10281 | } |
| 10282 | } |
| 10283 | } |
| 10284 | } |
| 10285 | } |
| 10286 | |
| 10287 | private final boolean finishReceiverLocked(IBinder receiver, int resultCode, |
| 10288 | String resultData, Bundle resultExtras, boolean resultAbort, |
| 10289 | boolean explicit) { |
| 10290 | if (mOrderedBroadcasts.size() == 0) { |
| 10291 | if (explicit) { |
| 10292 | Log.w(TAG, "finishReceiver called but no pending broadcasts"); |
| 10293 | } |
| 10294 | return false; |
| 10295 | } |
| 10296 | BroadcastRecord r = mOrderedBroadcasts.get(0); |
| 10297 | if (r.receiver == null) { |
| 10298 | if (explicit) { |
| 10299 | Log.w(TAG, "finishReceiver called but none active"); |
| 10300 | } |
| 10301 | return false; |
| 10302 | } |
| 10303 | if (r.receiver != receiver) { |
| 10304 | Log.w(TAG, "finishReceiver called but active receiver is different"); |
| 10305 | return false; |
| 10306 | } |
| 10307 | int state = r.state; |
| 10308 | r.state = r.IDLE; |
| 10309 | if (state == r.IDLE) { |
| 10310 | if (explicit) { |
| 10311 | Log.w(TAG, "finishReceiver called but state is IDLE"); |
| 10312 | } |
| 10313 | } |
| 10314 | r.receiver = null; |
| 10315 | r.intent.setComponent(null); |
| 10316 | if (r.curApp != null) { |
| 10317 | r.curApp.curReceiver = null; |
| 10318 | } |
| 10319 | if (r.curFilter != null) { |
| 10320 | r.curFilter.receiverList.curBroadcast = null; |
| 10321 | } |
| 10322 | r.curFilter = null; |
| 10323 | r.curApp = null; |
| 10324 | r.curComponent = null; |
| 10325 | r.curReceiver = null; |
| 10326 | mPendingBroadcast = null; |
| 10327 | |
| 10328 | r.resultCode = resultCode; |
| 10329 | r.resultData = resultData; |
| 10330 | r.resultExtras = resultExtras; |
| 10331 | r.resultAbort = resultAbort; |
| 10332 | |
| 10333 | // We will process the next receiver right now if this is finishing |
| 10334 | // an app receiver (which is always asynchronous) or after we have |
| 10335 | // come back from calling a receiver. |
| 10336 | return state == BroadcastRecord.APP_RECEIVE |
| 10337 | || state == BroadcastRecord.CALL_DONE_RECEIVE; |
| 10338 | } |
| 10339 | |
| 10340 | public void finishReceiver(IBinder who, int resultCode, String resultData, |
| 10341 | Bundle resultExtras, boolean resultAbort) { |
| 10342 | if (DEBUG_BROADCAST) Log.v(TAG, "Finish receiver: " + who); |
| 10343 | |
| 10344 | // Refuse possible leaked file descriptors |
| 10345 | if (resultExtras != null && resultExtras.hasFileDescriptors()) { |
| 10346 | throw new IllegalArgumentException("File descriptors passed in Bundle"); |
| 10347 | } |
| 10348 | |
| 10349 | boolean doNext; |
| 10350 | |
| 10351 | final long origId = Binder.clearCallingIdentity(); |
| 10352 | |
| 10353 | synchronized(this) { |
| 10354 | doNext = finishReceiverLocked( |
| 10355 | who, resultCode, resultData, resultExtras, resultAbort, true); |
| 10356 | } |
| 10357 | |
| 10358 | if (doNext) { |
| 10359 | processNextBroadcast(false); |
| 10360 | } |
| 10361 | trimApplications(); |
| 10362 | |
| 10363 | Binder.restoreCallingIdentity(origId); |
| 10364 | } |
| 10365 | |
| 10366 | private final void logBroadcastReceiverDiscard(BroadcastRecord r) { |
| 10367 | if (r.nextReceiver > 0) { |
| 10368 | Object curReceiver = r.receivers.get(r.nextReceiver-1); |
| 10369 | if (curReceiver instanceof BroadcastFilter) { |
| 10370 | BroadcastFilter bf = (BroadcastFilter) curReceiver; |
| 10371 | EventLog.writeEvent(LOG_AM_BROADCAST_DISCARD_FILTER, |
| 10372 | System.identityHashCode(r), |
| 10373 | r.intent.getAction(), |
| 10374 | r.nextReceiver - 1, |
| 10375 | System.identityHashCode(bf)); |
| 10376 | } else { |
| 10377 | EventLog.writeEvent(LOG_AM_BROADCAST_DISCARD_APP, |
| 10378 | System.identityHashCode(r), |
| 10379 | r.intent.getAction(), |
| 10380 | r.nextReceiver - 1, |
| 10381 | ((ResolveInfo)curReceiver).toString()); |
| 10382 | } |
| 10383 | } else { |
| 10384 | Log.w(TAG, "Discarding broadcast before first receiver is invoked: " |
| 10385 | + r); |
| 10386 | EventLog.writeEvent(LOG_AM_BROADCAST_DISCARD_APP, |
| 10387 | System.identityHashCode(r), |
| 10388 | r.intent.getAction(), |
| 10389 | r.nextReceiver, |
| 10390 | "NONE"); |
| 10391 | } |
| 10392 | } |
| 10393 | |
| 10394 | private final void broadcastTimeout() { |
| 10395 | synchronized (this) { |
| 10396 | if (mOrderedBroadcasts.size() == 0) { |
| 10397 | return; |
| 10398 | } |
| 10399 | long now = SystemClock.uptimeMillis(); |
| 10400 | BroadcastRecord r = mOrderedBroadcasts.get(0); |
| 10401 | if ((r.startTime+BROADCAST_TIMEOUT) > now) { |
| 10402 | if (DEBUG_BROADCAST) Log.v(TAG, |
| 10403 | "Premature timeout @ " + now + ": resetting BROADCAST_TIMEOUT_MSG for " |
| 10404 | + (r.startTime + BROADCAST_TIMEOUT)); |
| 10405 | Message msg = mHandler.obtainMessage(BROADCAST_TIMEOUT_MSG); |
| 10406 | mHandler.sendMessageAtTime(msg, r.startTime+BROADCAST_TIMEOUT); |
| 10407 | return; |
| 10408 | } |
| 10409 | |
| 10410 | Log.w(TAG, "Timeout of broadcast " + r + " - receiver=" + r.receiver); |
| 10411 | r.startTime = now; |
| 10412 | r.anrCount++; |
| 10413 | |
| 10414 | // Current receiver has passed its expiration date. |
| 10415 | if (r.nextReceiver <= 0) { |
| 10416 | Log.w(TAG, "Timeout on receiver with nextReceiver <= 0"); |
| 10417 | return; |
| 10418 | } |
| 10419 | |
| 10420 | ProcessRecord app = null; |
| 10421 | |
| 10422 | Object curReceiver = r.receivers.get(r.nextReceiver-1); |
| 10423 | Log.w(TAG, "Receiver during timeout: " + curReceiver); |
| 10424 | logBroadcastReceiverDiscard(r); |
| 10425 | if (curReceiver instanceof BroadcastFilter) { |
| 10426 | BroadcastFilter bf = (BroadcastFilter)curReceiver; |
| 10427 | if (bf.receiverList.pid != 0 |
| 10428 | && bf.receiverList.pid != MY_PID) { |
| 10429 | synchronized (this.mPidsSelfLocked) { |
| 10430 | app = this.mPidsSelfLocked.get( |
| 10431 | bf.receiverList.pid); |
| 10432 | } |
| 10433 | } |
| 10434 | } else { |
| 10435 | app = r.curApp; |
| 10436 | } |
| 10437 | |
| 10438 | if (app != null) { |
| 10439 | appNotRespondingLocked(app, null, "Broadcast of " + r.intent.toString()); |
| 10440 | } |
| 10441 | |
| 10442 | if (mPendingBroadcast == r) { |
| 10443 | mPendingBroadcast = null; |
| 10444 | } |
| 10445 | |
| 10446 | // Move on to the next receiver. |
| 10447 | finishReceiverLocked(r.receiver, r.resultCode, r.resultData, |
| 10448 | r.resultExtras, r.resultAbort, true); |
| 10449 | scheduleBroadcastsLocked(); |
| 10450 | } |
| 10451 | } |
| 10452 | |
| 10453 | private final void processCurBroadcastLocked(BroadcastRecord r, |
| 10454 | ProcessRecord app) throws RemoteException { |
| 10455 | if (app.thread == null) { |
| 10456 | throw new RemoteException(); |
| 10457 | } |
| 10458 | r.receiver = app.thread.asBinder(); |
| 10459 | r.curApp = app; |
| 10460 | app.curReceiver = r; |
| 10461 | updateLRUListLocked(app, true); |
| 10462 | |
| 10463 | // Tell the application to launch this receiver. |
| 10464 | r.intent.setComponent(r.curComponent); |
| 10465 | |
| 10466 | boolean started = false; |
| 10467 | try { |
| 10468 | if (DEBUG_BROADCAST) Log.v(TAG, |
| 10469 | "Delivering to component " + r.curComponent |
| 10470 | + ": " + r); |
| 10471 | app.thread.scheduleReceiver(new Intent(r.intent), r.curReceiver, |
| 10472 | r.resultCode, r.resultData, r.resultExtras, r.ordered); |
| 10473 | started = true; |
| 10474 | } finally { |
| 10475 | if (!started) { |
| 10476 | r.receiver = null; |
| 10477 | r.curApp = null; |
| 10478 | app.curReceiver = null; |
| 10479 | } |
| 10480 | } |
| 10481 | |
| 10482 | } |
| 10483 | |
| 10484 | static void performReceive(ProcessRecord app, IIntentReceiver receiver, |
| 10485 | Intent intent, int resultCode, String data, |
| 10486 | Bundle extras, boolean ordered) throws RemoteException { |
| 10487 | if (app != null && app.thread != null) { |
| 10488 | // If we have an app thread, do the call through that so it is |
| 10489 | // correctly ordered with other one-way calls. |
| 10490 | app.thread.scheduleRegisteredReceiver(receiver, intent, resultCode, |
| 10491 | data, extras, ordered); |
| 10492 | } else { |
| 10493 | receiver.performReceive(intent, resultCode, data, extras, ordered); |
| 10494 | } |
| 10495 | } |
| 10496 | |
| 10497 | private final void deliverToRegisteredReceiver(BroadcastRecord r, |
| 10498 | BroadcastFilter filter, boolean ordered) { |
| 10499 | boolean skip = false; |
| 10500 | if (filter.requiredPermission != null) { |
| 10501 | int perm = checkComponentPermission(filter.requiredPermission, |
| 10502 | r.callingPid, r.callingUid, -1); |
| 10503 | if (perm != PackageManager.PERMISSION_GRANTED) { |
| 10504 | Log.w(TAG, "Permission Denial: broadcasting " |
| 10505 | + r.intent.toString() |
| 10506 | + " from " + r.callerPackage + " (pid=" |
| 10507 | + r.callingPid + ", uid=" + r.callingUid + ")" |
| 10508 | + " requires " + filter.requiredPermission |
| 10509 | + " due to registered receiver " + filter); |
| 10510 | skip = true; |
| 10511 | } |
| 10512 | } |
| 10513 | if (r.requiredPermission != null) { |
| 10514 | int perm = checkComponentPermission(r.requiredPermission, |
| 10515 | filter.receiverList.pid, filter.receiverList.uid, -1); |
| 10516 | if (perm != PackageManager.PERMISSION_GRANTED) { |
| 10517 | Log.w(TAG, "Permission Denial: receiving " |
| 10518 | + r.intent.toString() |
| 10519 | + " to " + filter.receiverList.app |
| 10520 | + " (pid=" + filter.receiverList.pid |
| 10521 | + ", uid=" + filter.receiverList.uid + ")" |
| 10522 | + " requires " + r.requiredPermission |
| 10523 | + " due to sender " + r.callerPackage |
| 10524 | + " (uid " + r.callingUid + ")"); |
| 10525 | skip = true; |
| 10526 | } |
| 10527 | } |
| 10528 | |
| 10529 | if (!skip) { |
| 10530 | // If this is not being sent as an ordered broadcast, then we |
| 10531 | // don't want to touch the fields that keep track of the current |
| 10532 | // state of ordered broadcasts. |
| 10533 | if (ordered) { |
| 10534 | r.receiver = filter.receiverList.receiver.asBinder(); |
| 10535 | r.curFilter = filter; |
| 10536 | filter.receiverList.curBroadcast = r; |
| 10537 | r.state = BroadcastRecord.CALL_IN_RECEIVE; |
| 10538 | } |
| 10539 | try { |
| 10540 | if (DEBUG_BROADCAST) { |
| 10541 | int seq = r.intent.getIntExtra("seq", -1); |
| 10542 | Log.i(TAG, "Sending broadcast " + r.intent.getAction() + " seq=" + seq |
| 10543 | + " app=" + filter.receiverList.app); |
| 10544 | } |
| 10545 | performReceive(filter.receiverList.app, filter.receiverList.receiver, |
| 10546 | new Intent(r.intent), r.resultCode, |
| 10547 | r.resultData, r.resultExtras, r.ordered); |
| 10548 | if (ordered) { |
| 10549 | r.state = BroadcastRecord.CALL_DONE_RECEIVE; |
| 10550 | } |
| 10551 | } catch (RemoteException e) { |
| 10552 | Log.w(TAG, "Failure sending broadcast " + r.intent, e); |
| 10553 | if (ordered) { |
| 10554 | r.receiver = null; |
| 10555 | r.curFilter = null; |
| 10556 | filter.receiverList.curBroadcast = null; |
| 10557 | } |
| 10558 | } |
| 10559 | } |
| 10560 | } |
| 10561 | |
| 10562 | private final void processNextBroadcast(boolean fromMsg) { |
| 10563 | synchronized(this) { |
| 10564 | BroadcastRecord r; |
| 10565 | |
| 10566 | if (DEBUG_BROADCAST) Log.v(TAG, "processNextBroadcast: " |
| 10567 | + mParallelBroadcasts.size() + " broadcasts, " |
| 10568 | + mOrderedBroadcasts.size() + " serialized broadcasts"); |
| 10569 | |
| 10570 | updateCpuStats(); |
| 10571 | |
| 10572 | if (fromMsg) { |
| 10573 | mBroadcastsScheduled = false; |
| 10574 | } |
| 10575 | |
| 10576 | // First, deliver any non-serialized broadcasts right away. |
| 10577 | while (mParallelBroadcasts.size() > 0) { |
| 10578 | r = mParallelBroadcasts.remove(0); |
| 10579 | final int N = r.receivers.size(); |
| 10580 | for (int i=0; i<N; i++) { |
| 10581 | Object target = r.receivers.get(i); |
| 10582 | if (DEBUG_BROADCAST) Log.v(TAG, |
| 10583 | "Delivering non-serialized to registered " |
| 10584 | + target + ": " + r); |
| 10585 | deliverToRegisteredReceiver(r, (BroadcastFilter)target, false); |
| 10586 | } |
| 10587 | } |
| 10588 | |
| 10589 | // Now take care of the next serialized one... |
| 10590 | |
| 10591 | // If we are waiting for a process to come up to handle the next |
| 10592 | // broadcast, then do nothing at this point. Just in case, we |
| 10593 | // check that the process we're waiting for still exists. |
| 10594 | if (mPendingBroadcast != null) { |
| 10595 | Log.i(TAG, "processNextBroadcast: waiting for " |
| 10596 | + mPendingBroadcast.curApp); |
| 10597 | |
| 10598 | boolean isDead; |
| 10599 | synchronized (mPidsSelfLocked) { |
| 10600 | isDead = (mPidsSelfLocked.get(mPendingBroadcast.curApp.pid) == null); |
| 10601 | } |
| 10602 | if (!isDead) { |
| 10603 | // It's still alive, so keep waiting |
| 10604 | return; |
| 10605 | } else { |
| 10606 | Log.w(TAG, "pending app " + mPendingBroadcast.curApp |
| 10607 | + " died before responding to broadcast"); |
| 10608 | mPendingBroadcast = null; |
| 10609 | } |
| 10610 | } |
| 10611 | |
| 10612 | do { |
| 10613 | if (mOrderedBroadcasts.size() == 0) { |
| 10614 | // No more broadcasts pending, so all done! |
| 10615 | scheduleAppGcsLocked(); |
| 10616 | return; |
| 10617 | } |
| 10618 | r = mOrderedBroadcasts.get(0); |
| 10619 | boolean forceReceive = false; |
| 10620 | |
| 10621 | // Ensure that even if something goes awry with the timeout |
| 10622 | // detection, we catch "hung" broadcasts here, discard them, |
| 10623 | // and continue to make progress. |
| 10624 | int numReceivers = (r.receivers != null) ? r.receivers.size() : 0; |
| 10625 | long now = SystemClock.uptimeMillis(); |
| 10626 | if (r.dispatchTime > 0) { |
| 10627 | if ((numReceivers > 0) && |
| 10628 | (now > r.dispatchTime + (2*BROADCAST_TIMEOUT*numReceivers))) { |
| 10629 | Log.w(TAG, "Hung broadcast discarded after timeout failure:" |
| 10630 | + " now=" + now |
| 10631 | + " dispatchTime=" + r.dispatchTime |
| 10632 | + " startTime=" + r.startTime |
| 10633 | + " intent=" + r.intent |
| 10634 | + " numReceivers=" + numReceivers |
| 10635 | + " nextReceiver=" + r.nextReceiver |
| 10636 | + " state=" + r.state); |
| 10637 | broadcastTimeout(); // forcibly finish this broadcast |
| 10638 | forceReceive = true; |
| 10639 | r.state = BroadcastRecord.IDLE; |
| 10640 | } |
| 10641 | } |
| 10642 | |
| 10643 | if (r.state != BroadcastRecord.IDLE) { |
| 10644 | if (DEBUG_BROADCAST) Log.d(TAG, |
| 10645 | "processNextBroadcast() called when not idle (state=" |
| 10646 | + r.state + ")"); |
| 10647 | return; |
| 10648 | } |
| 10649 | |
| 10650 | if (r.receivers == null || r.nextReceiver >= numReceivers |
| 10651 | || r.resultAbort || forceReceive) { |
| 10652 | // No more receivers for this broadcast! Send the final |
| 10653 | // result if requested... |
| 10654 | if (r.resultTo != null) { |
| 10655 | try { |
| 10656 | if (DEBUG_BROADCAST) { |
| 10657 | int seq = r.intent.getIntExtra("seq", -1); |
| 10658 | Log.i(TAG, "Finishing broadcast " + r.intent.getAction() |
| 10659 | + " seq=" + seq + " app=" + r.callerApp); |
| 10660 | } |
| 10661 | performReceive(r.callerApp, r.resultTo, |
| 10662 | new Intent(r.intent), r.resultCode, |
| 10663 | r.resultData, r.resultExtras, false); |
| 10664 | } catch (RemoteException e) { |
| 10665 | Log.w(TAG, "Failure sending broadcast result of " + r.intent, e); |
| 10666 | } |
| 10667 | } |
| 10668 | |
| 10669 | if (DEBUG_BROADCAST) Log.v(TAG, "Cancelling BROADCAST_TIMEOUT_MSG"); |
| 10670 | mHandler.removeMessages(BROADCAST_TIMEOUT_MSG); |
| 10671 | |
| 10672 | // ... and on to the next... |
| 10673 | mOrderedBroadcasts.remove(0); |
| 10674 | r = null; |
| 10675 | continue; |
| 10676 | } |
| 10677 | } while (r == null); |
| 10678 | |
| 10679 | // Get the next receiver... |
| 10680 | int recIdx = r.nextReceiver++; |
| 10681 | |
| 10682 | // Keep track of when this receiver started, and make sure there |
| 10683 | // is a timeout message pending to kill it if need be. |
| 10684 | r.startTime = SystemClock.uptimeMillis(); |
| 10685 | if (recIdx == 0) { |
| 10686 | r.dispatchTime = r.startTime; |
| 10687 | |
| 10688 | if (DEBUG_BROADCAST) Log.v(TAG, |
| 10689 | "Submitting BROADCAST_TIMEOUT_MSG for " |
| 10690 | + (r.startTime + BROADCAST_TIMEOUT)); |
| 10691 | Message msg = mHandler.obtainMessage(BROADCAST_TIMEOUT_MSG); |
| 10692 | mHandler.sendMessageAtTime(msg, r.startTime+BROADCAST_TIMEOUT); |
| 10693 | } |
| 10694 | |
| 10695 | Object nextReceiver = r.receivers.get(recIdx); |
| 10696 | if (nextReceiver instanceof BroadcastFilter) { |
| 10697 | // Simple case: this is a registered receiver who gets |
| 10698 | // a direct call. |
| 10699 | BroadcastFilter filter = (BroadcastFilter)nextReceiver; |
| 10700 | if (DEBUG_BROADCAST) Log.v(TAG, |
| 10701 | "Delivering serialized to registered " |
| 10702 | + filter + ": " + r); |
| 10703 | deliverToRegisteredReceiver(r, filter, r.ordered); |
| 10704 | if (r.receiver == null || !r.ordered) { |
| 10705 | // The receiver has already finished, so schedule to |
| 10706 | // process the next one. |
| 10707 | r.state = BroadcastRecord.IDLE; |
| 10708 | scheduleBroadcastsLocked(); |
| 10709 | } |
| 10710 | return; |
| 10711 | } |
| 10712 | |
| 10713 | // Hard case: need to instantiate the receiver, possibly |
| 10714 | // starting its application process to host it. |
| 10715 | |
| 10716 | ResolveInfo info = |
| 10717 | (ResolveInfo)nextReceiver; |
| 10718 | |
| 10719 | boolean skip = false; |
| 10720 | int perm = checkComponentPermission(info.activityInfo.permission, |
| 10721 | r.callingPid, r.callingUid, |
| 10722 | info.activityInfo.exported |
| 10723 | ? -1 : info.activityInfo.applicationInfo.uid); |
| 10724 | if (perm != PackageManager.PERMISSION_GRANTED) { |
| 10725 | Log.w(TAG, "Permission Denial: broadcasting " |
| 10726 | + r.intent.toString() |
| 10727 | + " from " + r.callerPackage + " (pid=" + r.callingPid |
| 10728 | + ", uid=" + r.callingUid + ")" |
| 10729 | + " requires " + info.activityInfo.permission |
| 10730 | + " due to receiver " + info.activityInfo.packageName |
| 10731 | + "/" + info.activityInfo.name); |
| 10732 | skip = true; |
| 10733 | } |
| 10734 | if (r.callingUid != Process.SYSTEM_UID && |
| 10735 | r.requiredPermission != null) { |
| 10736 | try { |
| 10737 | perm = ActivityThread.getPackageManager(). |
| 10738 | checkPermission(r.requiredPermission, |
| 10739 | info.activityInfo.applicationInfo.packageName); |
| 10740 | } catch (RemoteException e) { |
| 10741 | perm = PackageManager.PERMISSION_DENIED; |
| 10742 | } |
| 10743 | if (perm != PackageManager.PERMISSION_GRANTED) { |
| 10744 | Log.w(TAG, "Permission Denial: receiving " |
| 10745 | + r.intent + " to " |
| 10746 | + info.activityInfo.applicationInfo.packageName |
| 10747 | + " requires " + r.requiredPermission |
| 10748 | + " due to sender " + r.callerPackage |
| 10749 | + " (uid " + r.callingUid + ")"); |
| 10750 | skip = true; |
| 10751 | } |
| 10752 | } |
| 10753 | if (r.curApp != null && r.curApp.crashing) { |
| 10754 | // If the target process is crashing, just skip it. |
| 10755 | skip = true; |
| 10756 | } |
| 10757 | |
| 10758 | if (skip) { |
| 10759 | r.receiver = null; |
| 10760 | r.curFilter = null; |
| 10761 | r.state = BroadcastRecord.IDLE; |
| 10762 | scheduleBroadcastsLocked(); |
| 10763 | return; |
| 10764 | } |
| 10765 | |
| 10766 | r.state = BroadcastRecord.APP_RECEIVE; |
| 10767 | String targetProcess = info.activityInfo.processName; |
| 10768 | r.curComponent = new ComponentName( |
| 10769 | info.activityInfo.applicationInfo.packageName, |
| 10770 | info.activityInfo.name); |
| 10771 | r.curReceiver = info.activityInfo; |
| 10772 | |
| 10773 | // Is this receiver's application already running? |
| 10774 | ProcessRecord app = getProcessRecordLocked(targetProcess, |
| 10775 | info.activityInfo.applicationInfo.uid); |
| 10776 | if (app != null && app.thread != null) { |
| 10777 | try { |
| 10778 | processCurBroadcastLocked(r, app); |
| 10779 | return; |
| 10780 | } catch (RemoteException e) { |
| 10781 | Log.w(TAG, "Exception when sending broadcast to " |
| 10782 | + r.curComponent, e); |
| 10783 | } |
| 10784 | |
| 10785 | // If a dead object exception was thrown -- fall through to |
| 10786 | // restart the application. |
| 10787 | } |
| 10788 | |
| 10789 | // Not running -- get it started, and enqueue this history record |
| 10790 | // to be executed when the app comes up. |
| 10791 | if ((r.curApp=startProcessLocked(targetProcess, |
| 10792 | info.activityInfo.applicationInfo, true, |
| 10793 | r.intent.getFlags() | Intent.FLAG_FROM_BACKGROUND, |
| 10794 | "broadcast", r.curComponent)) == null) { |
| 10795 | // Ah, this recipient is unavailable. Finish it if necessary, |
| 10796 | // and mark the broadcast record as ready for the next. |
| 10797 | Log.w(TAG, "Unable to launch app " |
| 10798 | + info.activityInfo.applicationInfo.packageName + "/" |
| 10799 | + info.activityInfo.applicationInfo.uid + " for broadcast " |
| 10800 | + r.intent + ": process is bad"); |
| 10801 | logBroadcastReceiverDiscard(r); |
| 10802 | finishReceiverLocked(r.receiver, r.resultCode, r.resultData, |
| 10803 | r.resultExtras, r.resultAbort, true); |
| 10804 | scheduleBroadcastsLocked(); |
| 10805 | r.state = BroadcastRecord.IDLE; |
| 10806 | return; |
| 10807 | } |
| 10808 | |
| 10809 | mPendingBroadcast = r; |
| 10810 | } |
| 10811 | } |
| 10812 | |
| 10813 | // ========================================================= |
| 10814 | // INSTRUMENTATION |
| 10815 | // ========================================================= |
| 10816 | |
| 10817 | public boolean startInstrumentation(ComponentName className, |
| 10818 | String profileFile, int flags, Bundle arguments, |
| 10819 | IInstrumentationWatcher watcher) { |
| 10820 | // Refuse possible leaked file descriptors |
| 10821 | if (arguments != null && arguments.hasFileDescriptors()) { |
| 10822 | throw new IllegalArgumentException("File descriptors passed in Bundle"); |
| 10823 | } |
| 10824 | |
| 10825 | synchronized(this) { |
| 10826 | InstrumentationInfo ii = null; |
| 10827 | ApplicationInfo ai = null; |
| 10828 | try { |
| 10829 | ii = mContext.getPackageManager().getInstrumentationInfo( |
| 10830 | className, 0); |
| 10831 | ai = mContext.getPackageManager().getApplicationInfo( |
| 10832 | ii.targetPackage, PackageManager.GET_SHARED_LIBRARY_FILES); |
| 10833 | } catch (PackageManager.NameNotFoundException e) { |
| 10834 | } |
| 10835 | if (ii == null) { |
| 10836 | reportStartInstrumentationFailure(watcher, className, |
| 10837 | "Unable to find instrumentation info for: " + className); |
| 10838 | return false; |
| 10839 | } |
| 10840 | if (ai == null) { |
| 10841 | reportStartInstrumentationFailure(watcher, className, |
| 10842 | "Unable to find instrumentation target package: " + ii.targetPackage); |
| 10843 | return false; |
| 10844 | } |
| 10845 | |
| 10846 | int match = mContext.getPackageManager().checkSignatures( |
| 10847 | ii.targetPackage, ii.packageName); |
| 10848 | if (match < 0 && match != PackageManager.SIGNATURE_FIRST_NOT_SIGNED) { |
| 10849 | String msg = "Permission Denial: starting instrumentation " |
| 10850 | + className + " from pid=" |
| 10851 | + Binder.getCallingPid() |
| 10852 | + ", uid=" + Binder.getCallingPid() |
| 10853 | + " not allowed because package " + ii.packageName |
| 10854 | + " does not have a signature matching the target " |
| 10855 | + ii.targetPackage; |
| 10856 | reportStartInstrumentationFailure(watcher, className, msg); |
| 10857 | throw new SecurityException(msg); |
| 10858 | } |
| 10859 | |
| 10860 | final long origId = Binder.clearCallingIdentity(); |
| 10861 | uninstallPackageLocked(ii.targetPackage, -1, true); |
| 10862 | ProcessRecord app = addAppLocked(ai); |
| 10863 | app.instrumentationClass = className; |
| 10864 | app.instrumentationProfileFile = profileFile; |
| 10865 | app.instrumentationArguments = arguments; |
| 10866 | app.instrumentationWatcher = watcher; |
| 10867 | app.instrumentationResultClass = className; |
| 10868 | Binder.restoreCallingIdentity(origId); |
| 10869 | } |
| 10870 | |
| 10871 | return true; |
| 10872 | } |
| 10873 | |
| 10874 | /** |
| 10875 | * Report errors that occur while attempting to start Instrumentation. Always writes the |
| 10876 | * error to the logs, but if somebody is watching, send the report there too. This enables |
| 10877 | * the "am" command to report errors with more information. |
| 10878 | * |
| 10879 | * @param watcher The IInstrumentationWatcher. Null if there isn't one. |
| 10880 | * @param cn The component name of the instrumentation. |
| 10881 | * @param report The error report. |
| 10882 | */ |
| 10883 | private void reportStartInstrumentationFailure(IInstrumentationWatcher watcher, |
| 10884 | ComponentName cn, String report) { |
| 10885 | Log.w(TAG, report); |
| 10886 | try { |
| 10887 | if (watcher != null) { |
| 10888 | Bundle results = new Bundle(); |
| 10889 | results.putString(Instrumentation.REPORT_KEY_IDENTIFIER, "ActivityManagerService"); |
| 10890 | results.putString("Error", report); |
| 10891 | watcher.instrumentationStatus(cn, -1, results); |
| 10892 | } |
| 10893 | } catch (RemoteException e) { |
| 10894 | Log.w(TAG, e); |
| 10895 | } |
| 10896 | } |
| 10897 | |
| 10898 | void finishInstrumentationLocked(ProcessRecord app, int resultCode, Bundle results) { |
| 10899 | if (app.instrumentationWatcher != null) { |
| 10900 | try { |
| 10901 | // NOTE: IInstrumentationWatcher *must* be oneway here |
| 10902 | app.instrumentationWatcher.instrumentationFinished( |
| 10903 | app.instrumentationClass, |
| 10904 | resultCode, |
| 10905 | results); |
| 10906 | } catch (RemoteException e) { |
| 10907 | } |
| 10908 | } |
| 10909 | app.instrumentationWatcher = null; |
| 10910 | app.instrumentationClass = null; |
| 10911 | app.instrumentationProfileFile = null; |
| 10912 | app.instrumentationArguments = null; |
| 10913 | |
| 10914 | uninstallPackageLocked(app.processName, -1, false); |
| 10915 | } |
| 10916 | |
| 10917 | public void finishInstrumentation(IApplicationThread target, |
| 10918 | int resultCode, Bundle results) { |
| 10919 | // Refuse possible leaked file descriptors |
| 10920 | if (results != null && results.hasFileDescriptors()) { |
| 10921 | throw new IllegalArgumentException("File descriptors passed in Intent"); |
| 10922 | } |
| 10923 | |
| 10924 | synchronized(this) { |
| 10925 | ProcessRecord app = getRecordForAppLocked(target); |
| 10926 | if (app == null) { |
| 10927 | Log.w(TAG, "finishInstrumentation: no app for " + target); |
| 10928 | return; |
| 10929 | } |
| 10930 | final long origId = Binder.clearCallingIdentity(); |
| 10931 | finishInstrumentationLocked(app, resultCode, results); |
| 10932 | Binder.restoreCallingIdentity(origId); |
| 10933 | } |
| 10934 | } |
| 10935 | |
| 10936 | // ========================================================= |
| 10937 | // CONFIGURATION |
| 10938 | // ========================================================= |
| 10939 | |
| 10940 | public ConfigurationInfo getDeviceConfigurationInfo() { |
| 10941 | ConfigurationInfo config = new ConfigurationInfo(); |
| 10942 | synchronized (this) { |
| 10943 | config.reqTouchScreen = mConfiguration.touchscreen; |
| 10944 | config.reqKeyboardType = mConfiguration.keyboard; |
| 10945 | config.reqNavigation = mConfiguration.navigation; |
| 10946 | if (mConfiguration.navigation != Configuration.NAVIGATION_NONAV) { |
| 10947 | config.reqInputFeatures |= ConfigurationInfo.INPUT_FEATURE_FIVE_WAY_NAV; |
| 10948 | } |
| 10949 | if (mConfiguration.keyboard != Configuration.KEYBOARD_UNDEFINED) { |
| 10950 | config.reqInputFeatures |= ConfigurationInfo.INPUT_FEATURE_HARD_KEYBOARD; |
| 10951 | } |
| 10952 | } |
| 10953 | return config; |
| 10954 | } |
| 10955 | |
| 10956 | public Configuration getConfiguration() { |
| 10957 | Configuration ci; |
| 10958 | synchronized(this) { |
| 10959 | ci = new Configuration(mConfiguration); |
| 10960 | } |
| 10961 | return ci; |
| 10962 | } |
| 10963 | |
| 10964 | public void updateConfiguration(Configuration values) { |
| 10965 | enforceCallingPermission(android.Manifest.permission.CHANGE_CONFIGURATION, |
| 10966 | "updateConfiguration()"); |
| 10967 | |
| 10968 | synchronized(this) { |
| 10969 | if (values == null && mWindowManager != null) { |
| 10970 | // sentinel: fetch the current configuration from the window manager |
| 10971 | values = mWindowManager.computeNewConfiguration(); |
| 10972 | } |
| 10973 | |
| 10974 | final long origId = Binder.clearCallingIdentity(); |
| 10975 | updateConfigurationLocked(values, null); |
| 10976 | Binder.restoreCallingIdentity(origId); |
| 10977 | } |
| 10978 | } |
| 10979 | |
| 10980 | /** |
| 10981 | * Do either or both things: (1) change the current configuration, and (2) |
| 10982 | * make sure the given activity is running with the (now) current |
| 10983 | * configuration. Returns true if the activity has been left running, or |
| 10984 | * false if <var>starting</var> is being destroyed to match the new |
| 10985 | * configuration. |
| 10986 | */ |
| 10987 | public boolean updateConfigurationLocked(Configuration values, |
| 10988 | HistoryRecord starting) { |
| 10989 | int changes = 0; |
| 10990 | |
| 10991 | boolean kept = true; |
| 10992 | |
| 10993 | if (values != null) { |
| 10994 | Configuration newConfig = new Configuration(mConfiguration); |
| 10995 | changes = newConfig.updateFrom(values); |
| 10996 | if (changes != 0) { |
| 10997 | if (DEBUG_SWITCH) { |
| 10998 | Log.i(TAG, "Updating configuration to: " + values); |
| 10999 | } |
| 11000 | |
| 11001 | EventLog.writeEvent(LOG_CONFIGURATION_CHANGED, changes); |
| 11002 | |
| 11003 | if (values.locale != null) { |
| 11004 | saveLocaleLocked(values.locale, |
| 11005 | !values.locale.equals(mConfiguration.locale), |
| 11006 | values.userSetLocale); |
| 11007 | } |
| 11008 | |
| 11009 | mConfiguration = newConfig; |
| 11010 | |
| 11011 | Message msg = mHandler.obtainMessage(UPDATE_CONFIGURATION_MSG); |
| 11012 | msg.obj = new Configuration(mConfiguration); |
| 11013 | mHandler.sendMessage(msg); |
| 11014 | |
| 11015 | final int N = mLRUProcesses.size(); |
| 11016 | for (int i=0; i<N; i++) { |
| 11017 | ProcessRecord app = mLRUProcesses.get(i); |
| 11018 | try { |
| 11019 | if (app.thread != null) { |
| 11020 | app.thread.scheduleConfigurationChanged(mConfiguration); |
| 11021 | } |
| 11022 | } catch (Exception e) { |
| 11023 | } |
| 11024 | } |
| 11025 | Intent intent = new Intent(Intent.ACTION_CONFIGURATION_CHANGED); |
| 11026 | broadcastIntentLocked(null, null, intent, null, null, 0, null, null, |
| 11027 | null, false, false, MY_PID, Process.SYSTEM_UID); |
| 11028 | } |
| 11029 | } |
| 11030 | |
| 11031 | if (changes != 0 && starting == null) { |
| 11032 | // If the configuration changed, and the caller is not already |
| 11033 | // in the process of starting an activity, then find the top |
| 11034 | // activity to check if its configuration needs to change. |
| 11035 | starting = topRunningActivityLocked(null); |
| 11036 | } |
| 11037 | |
| 11038 | if (starting != null) { |
| 11039 | kept = ensureActivityConfigurationLocked(starting, changes); |
| 11040 | if (kept) { |
| 11041 | // If this didn't result in the starting activity being |
| 11042 | // destroyed, then we need to make sure at this point that all |
| 11043 | // other activities are made visible. |
| 11044 | if (DEBUG_SWITCH) Log.i(TAG, "Config didn't destroy " + starting |
| 11045 | + ", ensuring others are correct."); |
| 11046 | ensureActivitiesVisibleLocked(starting, changes); |
| 11047 | } |
| 11048 | } |
| 11049 | |
| 11050 | return kept; |
| 11051 | } |
| 11052 | |
| 11053 | private final boolean relaunchActivityLocked(HistoryRecord r, |
| 11054 | int changes, boolean andResume) { |
| 11055 | List<ResultInfo> results = null; |
| 11056 | List<Intent> newIntents = null; |
| 11057 | if (andResume) { |
| 11058 | results = r.results; |
| 11059 | newIntents = r.newIntents; |
| 11060 | } |
| 11061 | if (DEBUG_SWITCH) Log.v(TAG, "Relaunching: " + r |
| 11062 | + " with results=" + results + " newIntents=" + newIntents |
| 11063 | + " andResume=" + andResume); |
| 11064 | EventLog.writeEvent(andResume ? LOG_AM_RELAUNCH_RESUME_ACTIVITY |
| 11065 | : LOG_AM_RELAUNCH_ACTIVITY, System.identityHashCode(r), |
| 11066 | r.task.taskId, r.shortComponentName); |
| 11067 | |
| 11068 | r.startFreezingScreenLocked(r.app, 0); |
| 11069 | |
| 11070 | try { |
| 11071 | if (DEBUG_SWITCH) Log.i(TAG, "Switch is restarting resumed " + r); |
| 11072 | r.app.thread.scheduleRelaunchActivity(r, results, newIntents, |
| 11073 | changes, !andResume); |
| 11074 | // Note: don't need to call pauseIfSleepingLocked() here, because |
| 11075 | // the caller will only pass in 'andResume' if this activity is |
| 11076 | // currently resumed, which implies we aren't sleeping. |
| 11077 | } catch (RemoteException e) { |
| 11078 | return false; |
| 11079 | } |
| 11080 | |
| 11081 | if (andResume) { |
| 11082 | r.results = null; |
| 11083 | r.newIntents = null; |
| 11084 | } |
| 11085 | |
| 11086 | return true; |
| 11087 | } |
| 11088 | |
| 11089 | /** |
| 11090 | * Make sure the given activity matches the current configuration. Returns |
| 11091 | * false if the activity had to be destroyed. Returns true if the |
| 11092 | * configuration is the same, or the activity will remain running as-is |
| 11093 | * for whatever reason. Ensures the HistoryRecord is updated with the |
| 11094 | * correct configuration and all other bookkeeping is handled. |
| 11095 | */ |
| 11096 | private final boolean ensureActivityConfigurationLocked(HistoryRecord r, |
| 11097 | int globalChanges) { |
| 11098 | if (DEBUG_SWITCH) Log.i(TAG, "Ensuring correct configuration: " + r); |
| 11099 | |
| 11100 | // Short circuit: if the two configurations are the exact same |
| 11101 | // object (the common case), then there is nothing to do. |
| 11102 | Configuration newConfig = mConfiguration; |
| 11103 | if (r.configuration == newConfig) { |
| 11104 | if (DEBUG_SWITCH) Log.i(TAG, "Configuration unchanged in " + r); |
| 11105 | return true; |
| 11106 | } |
| 11107 | |
| 11108 | // We don't worry about activities that are finishing. |
| 11109 | if (r.finishing) { |
| 11110 | if (DEBUG_SWITCH) Log.i(TAG, |
| 11111 | "Configuration doesn't matter in finishing " + r); |
| 11112 | r.stopFreezingScreenLocked(false); |
| 11113 | return true; |
| 11114 | } |
| 11115 | |
| 11116 | // Okay we now are going to make this activity have the new config. |
| 11117 | // But then we need to figure out how it needs to deal with that. |
| 11118 | Configuration oldConfig = r.configuration; |
| 11119 | r.configuration = newConfig; |
| 11120 | |
| 11121 | // If the activity isn't currently running, just leave the new |
| 11122 | // configuration and it will pick that up next time it starts. |
| 11123 | if (r.app == null || r.app.thread == null) { |
| 11124 | if (DEBUG_SWITCH) Log.i(TAG, |
| 11125 | "Configuration doesn't matter not running " + r); |
| 11126 | r.stopFreezingScreenLocked(false); |
| 11127 | return true; |
| 11128 | } |
| 11129 | |
| 11130 | // If the activity isn't persistent, there is a chance we will |
| 11131 | // need to restart it. |
| 11132 | if (!r.persistent) { |
| 11133 | |
| 11134 | // Figure out what has changed between the two configurations. |
| 11135 | int changes = oldConfig.diff(newConfig); |
| 11136 | if (DEBUG_SWITCH) { |
| 11137 | Log.i(TAG, "Checking to restart " + r.info.name + ": changed=0x" |
| 11138 | + Integer.toHexString(changes) + ", handles=0x" |
| 11139 | + Integer.toHexString(r.info.configChanges)); |
| 11140 | } |
| 11141 | if ((changes&(~r.info.configChanges)) != 0) { |
| 11142 | // Aha, the activity isn't handling the change, so DIE DIE DIE. |
| 11143 | r.configChangeFlags |= changes; |
| 11144 | r.startFreezingScreenLocked(r.app, globalChanges); |
| 11145 | if (r.app == null || r.app.thread == null) { |
| 11146 | if (DEBUG_SWITCH) Log.i(TAG, "Switch is destroying non-running " + r); |
| 11147 | destroyActivityLocked(r, true); |
| 11148 | } else if (r.state == ActivityState.PAUSING) { |
| 11149 | // A little annoying: we are waiting for this activity to |
| 11150 | // finish pausing. Let's not do anything now, but just |
| 11151 | // flag that it needs to be restarted when done pausing. |
| 11152 | r.configDestroy = true; |
| 11153 | return true; |
| 11154 | } else if (r.state == ActivityState.RESUMED) { |
| 11155 | // Try to optimize this case: the configuration is changing |
| 11156 | // and we need to restart the top, resumed activity. |
| 11157 | // Instead of doing the normal handshaking, just say |
| 11158 | // "restart!". |
| 11159 | if (DEBUG_SWITCH) Log.i(TAG, "Switch is restarting resumed " + r); |
| 11160 | relaunchActivityLocked(r, r.configChangeFlags, true); |
| 11161 | r.configChangeFlags = 0; |
| 11162 | } else { |
| 11163 | if (DEBUG_SWITCH) Log.i(TAG, "Switch is restarting non-resumed " + r); |
| 11164 | relaunchActivityLocked(r, r.configChangeFlags, false); |
| 11165 | r.configChangeFlags = 0; |
| 11166 | } |
| 11167 | |
| 11168 | // All done... tell the caller we weren't able to keep this |
| 11169 | // activity around. |
| 11170 | return false; |
| 11171 | } |
| 11172 | } |
| 11173 | |
| 11174 | // Default case: the activity can handle this new configuration, so |
| 11175 | // hand it over. Note that we don't need to give it the new |
| 11176 | // configuration, since we always send configuration changes to all |
| 11177 | // process when they happen so it can just use whatever configuration |
| 11178 | // it last got. |
| 11179 | if (r.app != null && r.app.thread != null) { |
| 11180 | try { |
| 11181 | r.app.thread.scheduleActivityConfigurationChanged(r); |
| 11182 | } catch (RemoteException e) { |
| 11183 | // If process died, whatever. |
| 11184 | } |
| 11185 | } |
| 11186 | r.stopFreezingScreenLocked(false); |
| 11187 | |
| 11188 | return true; |
| 11189 | } |
| 11190 | |
| 11191 | /** |
| 11192 | * Save the locale. You must be inside a synchronized (this) block. |
| 11193 | */ |
| 11194 | private void saveLocaleLocked(Locale l, boolean isDiff, boolean isPersist) { |
| 11195 | if(isDiff) { |
| 11196 | SystemProperties.set("user.language", l.getLanguage()); |
| 11197 | SystemProperties.set("user.region", l.getCountry()); |
| 11198 | } |
| 11199 | |
| 11200 | if(isPersist) { |
| 11201 | SystemProperties.set("persist.sys.language", l.getLanguage()); |
| 11202 | SystemProperties.set("persist.sys.country", l.getCountry()); |
| 11203 | SystemProperties.set("persist.sys.localevar", l.getVariant()); |
| 11204 | } |
| 11205 | } |
| 11206 | |
| 11207 | // ========================================================= |
| 11208 | // LIFETIME MANAGEMENT |
| 11209 | // ========================================================= |
| 11210 | |
| 11211 | private final int computeOomAdjLocked( |
| 11212 | ProcessRecord app, int hiddenAdj, ProcessRecord TOP_APP) { |
| 11213 | if (mAdjSeq == app.adjSeq) { |
| 11214 | // This adjustment has already been computed. |
| 11215 | return app.curAdj; |
| 11216 | } |
| 11217 | |
| 11218 | if (app.thread == null) { |
| 11219 | app.adjSeq = mAdjSeq; |
| 11220 | return (app.curAdj=EMPTY_APP_ADJ); |
| 11221 | } |
| 11222 | |
| 11223 | app.isForeground = false; |
| 11224 | |
The Android Open Source Project | 4df2423 | 2009-03-05 14:34:35 -0800 | [diff] [blame] | 11225 | // Determine the importance of the process, starting with most |
| 11226 | // important to least, and assign an appropriate OOM adjustment. |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 11227 | int adj; |
| 11228 | int N; |
| 11229 | if (app == TOP_APP || app.instrumentationClass != null |
| 11230 | || app.persistentActivities > 0) { |
| 11231 | // The last app on the list is the foreground app. |
| 11232 | adj = FOREGROUND_APP_ADJ; |
| 11233 | app.isForeground = true; |
| 11234 | } else if (app.curReceiver != null || |
| 11235 | (mPendingBroadcast != null && mPendingBroadcast.curApp == app)) { |
| 11236 | // An app that is currently receiving a broadcast also |
| 11237 | // counts as being in the foreground. |
| 11238 | adj = FOREGROUND_APP_ADJ; |
| 11239 | } else if (app.executingServices.size() > 0) { |
| 11240 | // An app that is currently executing a service callback also |
| 11241 | // counts as being in the foreground. |
| 11242 | adj = FOREGROUND_APP_ADJ; |
| 11243 | } else if (app.foregroundServices || app.forcingToForeground != null) { |
| 11244 | // The user is aware of this app, so make it visible. |
| 11245 | adj = VISIBLE_APP_ADJ; |
The Android Open Source Project | 4df2423 | 2009-03-05 14:34:35 -0800 | [diff] [blame] | 11246 | } else if (app == mHomeProcess) { |
| 11247 | // This process is hosting what we currently consider to be the |
| 11248 | // home app, so we don't want to let it go into the background. |
| 11249 | adj = HOME_APP_ADJ; |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 11250 | } else if ((N=app.activities.size()) != 0) { |
| 11251 | // This app is in the background with paused activities. |
| 11252 | adj = hiddenAdj; |
| 11253 | for (int j=0; j<N; j++) { |
| 11254 | if (((HistoryRecord)app.activities.get(j)).visible) { |
| 11255 | // This app has a visible activity! |
| 11256 | adj = VISIBLE_APP_ADJ; |
| 11257 | break; |
| 11258 | } |
| 11259 | } |
| 11260 | } else { |
| 11261 | // A very not-needed process. |
| 11262 | adj = EMPTY_APP_ADJ; |
| 11263 | } |
| 11264 | |
The Android Open Source Project | 4df2423 | 2009-03-05 14:34:35 -0800 | [diff] [blame] | 11265 | // By default, we use the computed adjustment. It may be changed if |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 11266 | // there are applications dependent on our services or providers, but |
| 11267 | // this gives us a baseline and makes sure we don't get into an |
| 11268 | // infinite recursion. |
| 11269 | app.adjSeq = mAdjSeq; |
| 11270 | app.curRawAdj = adj; |
| 11271 | app.curAdj = adj <= app.maxAdj ? adj : app.maxAdj; |
| 11272 | |
| 11273 | if (app.services.size() != 0 && adj > FOREGROUND_APP_ADJ) { |
| 11274 | // If this process has active services running in it, we would |
| 11275 | // like to avoid killing it unless it would prevent the current |
| 11276 | // application from running. |
| 11277 | if (adj > hiddenAdj) { |
| 11278 | adj = hiddenAdj; |
| 11279 | } |
| 11280 | final long now = SystemClock.uptimeMillis(); |
| 11281 | // This process is more important if the top activity is |
| 11282 | // bound to the service. |
| 11283 | Iterator jt = app.services.iterator(); |
| 11284 | while (jt.hasNext() && adj > FOREGROUND_APP_ADJ) { |
| 11285 | ServiceRecord s = (ServiceRecord)jt.next(); |
| 11286 | if (s.startRequested) { |
| 11287 | if (now < (s.lastActivity+MAX_SERVICE_INACTIVITY)) { |
| 11288 | // This service has seen some activity within |
| 11289 | // recent memory, so we will keep its process ahead |
| 11290 | // of the background processes. |
| 11291 | if (adj > SECONDARY_SERVER_ADJ) { |
| 11292 | adj = SECONDARY_SERVER_ADJ; |
| 11293 | } |
| 11294 | } else { |
| 11295 | // This service has been inactive for too long, just |
| 11296 | // put it with the rest of the background processes. |
| 11297 | if (adj > hiddenAdj) { |
| 11298 | adj = hiddenAdj; |
| 11299 | } |
| 11300 | } |
| 11301 | } |
| 11302 | if (s.connections.size() > 0 && adj > FOREGROUND_APP_ADJ) { |
| 11303 | Iterator<ConnectionRecord> kt |
| 11304 | = s.connections.values().iterator(); |
| 11305 | while (kt.hasNext() && adj > FOREGROUND_APP_ADJ) { |
| 11306 | // XXX should compute this based on the max of |
| 11307 | // all connected clients. |
| 11308 | ConnectionRecord cr = kt.next(); |
| 11309 | if ((cr.flags&Context.BIND_AUTO_CREATE) != 0) { |
| 11310 | ProcessRecord client = cr.binding.client; |
| 11311 | int myHiddenAdj = hiddenAdj; |
| 11312 | if (myHiddenAdj > client.hiddenAdj) { |
| 11313 | if (client.hiddenAdj > VISIBLE_APP_ADJ) { |
| 11314 | myHiddenAdj = client.hiddenAdj; |
| 11315 | } else { |
| 11316 | myHiddenAdj = VISIBLE_APP_ADJ; |
| 11317 | } |
| 11318 | } |
| 11319 | int clientAdj = computeOomAdjLocked( |
| 11320 | client, myHiddenAdj, TOP_APP); |
| 11321 | if (adj > clientAdj) { |
| 11322 | adj = clientAdj > VISIBLE_APP_ADJ |
| 11323 | ? clientAdj : VISIBLE_APP_ADJ; |
| 11324 | } |
| 11325 | } |
| 11326 | HistoryRecord a = cr.activity; |
| 11327 | //if (a != null) { |
| 11328 | // Log.i(TAG, "Connection to " + a ": state=" + a.state); |
| 11329 | //} |
| 11330 | if (a != null && adj > FOREGROUND_APP_ADJ && |
| 11331 | (a.state == ActivityState.RESUMED |
| 11332 | || a.state == ActivityState.PAUSING)) { |
| 11333 | adj = FOREGROUND_APP_ADJ; |
| 11334 | } |
| 11335 | } |
| 11336 | } |
| 11337 | } |
| 11338 | } |
| 11339 | |
| 11340 | if (app.pubProviders.size() != 0 && adj > FOREGROUND_APP_ADJ) { |
| 11341 | // If this process has published any content providers, then |
| 11342 | // its adjustment makes it at least as important as any of the |
| 11343 | // processes using those providers, and no less important than |
| 11344 | // CONTENT_PROVIDER_ADJ, which is just shy of EMPTY. |
| 11345 | if (adj > CONTENT_PROVIDER_ADJ) { |
| 11346 | adj = CONTENT_PROVIDER_ADJ; |
| 11347 | } |
| 11348 | Iterator jt = app.pubProviders.values().iterator(); |
| 11349 | while (jt.hasNext() && adj > FOREGROUND_APP_ADJ) { |
| 11350 | ContentProviderRecord cpr = (ContentProviderRecord)jt.next(); |
| 11351 | if (cpr.clients.size() != 0) { |
| 11352 | Iterator<ProcessRecord> kt = cpr.clients.iterator(); |
| 11353 | while (kt.hasNext() && adj > FOREGROUND_APP_ADJ) { |
| 11354 | ProcessRecord client = kt.next(); |
| 11355 | int myHiddenAdj = hiddenAdj; |
| 11356 | if (myHiddenAdj > client.hiddenAdj) { |
| 11357 | if (client.hiddenAdj > FOREGROUND_APP_ADJ) { |
| 11358 | myHiddenAdj = client.hiddenAdj; |
| 11359 | } else { |
| 11360 | myHiddenAdj = FOREGROUND_APP_ADJ; |
| 11361 | } |
| 11362 | } |
| 11363 | int clientAdj = computeOomAdjLocked( |
| 11364 | client, myHiddenAdj, TOP_APP); |
| 11365 | if (adj > clientAdj) { |
| 11366 | adj = clientAdj > FOREGROUND_APP_ADJ |
| 11367 | ? clientAdj : FOREGROUND_APP_ADJ; |
| 11368 | } |
| 11369 | } |
| 11370 | } |
| 11371 | // If the provider has external (non-framework) process |
| 11372 | // dependencies, ensure that its adjustment is at least |
| 11373 | // FOREGROUND_APP_ADJ. |
| 11374 | if (cpr.externals != 0) { |
| 11375 | if (adj > FOREGROUND_APP_ADJ) { |
| 11376 | adj = FOREGROUND_APP_ADJ; |
| 11377 | } |
| 11378 | } |
| 11379 | } |
| 11380 | } |
| 11381 | |
| 11382 | app.curRawAdj = adj; |
| 11383 | |
| 11384 | //Log.i(TAG, "OOM ADJ " + app + ": pid=" + app.pid + |
| 11385 | // " adj=" + adj + " curAdj=" + app.curAdj + " maxAdj=" + app.maxAdj); |
| 11386 | if (adj > app.maxAdj) { |
| 11387 | adj = app.maxAdj; |
| 11388 | } |
| 11389 | |
| 11390 | app.curAdj = adj; |
| 11391 | |
| 11392 | return adj; |
| 11393 | } |
| 11394 | |
| 11395 | /** |
| 11396 | * Ask a given process to GC right now. |
| 11397 | */ |
| 11398 | final void performAppGcLocked(ProcessRecord app) { |
| 11399 | try { |
| 11400 | app.lastRequestedGc = SystemClock.uptimeMillis(); |
| 11401 | if (app.thread != null) { |
| 11402 | app.thread.processInBackground(); |
| 11403 | } |
| 11404 | } catch (Exception e) { |
| 11405 | // whatever. |
| 11406 | } |
| 11407 | } |
| 11408 | |
| 11409 | /** |
| 11410 | * Returns true if things are idle enough to perform GCs. |
| 11411 | */ |
| 11412 | private final boolean canGcNow() { |
| 11413 | return mParallelBroadcasts.size() == 0 |
| 11414 | && mOrderedBroadcasts.size() == 0 |
| 11415 | && (mSleeping || (mResumedActivity != null && |
| 11416 | mResumedActivity.idle)); |
| 11417 | } |
| 11418 | |
| 11419 | /** |
| 11420 | * Perform GCs on all processes that are waiting for it, but only |
| 11421 | * if things are idle. |
| 11422 | */ |
| 11423 | final void performAppGcsLocked() { |
| 11424 | final int N = mProcessesToGc.size(); |
| 11425 | if (N <= 0) { |
| 11426 | return; |
| 11427 | } |
| 11428 | if (canGcNow()) { |
| 11429 | while (mProcessesToGc.size() > 0) { |
| 11430 | ProcessRecord proc = mProcessesToGc.remove(0); |
| 11431 | if (proc.curRawAdj > VISIBLE_APP_ADJ) { |
| 11432 | // To avoid spamming the system, we will GC processes one |
| 11433 | // at a time, waiting a few seconds between each. |
| 11434 | performAppGcLocked(proc); |
| 11435 | scheduleAppGcsLocked(); |
| 11436 | return; |
| 11437 | } |
| 11438 | } |
| 11439 | } |
| 11440 | } |
| 11441 | |
| 11442 | /** |
| 11443 | * If all looks good, perform GCs on all processes waiting for them. |
| 11444 | */ |
| 11445 | final void performAppGcsIfAppropriateLocked() { |
| 11446 | if (canGcNow()) { |
| 11447 | performAppGcsLocked(); |
| 11448 | return; |
| 11449 | } |
| 11450 | // Still not idle, wait some more. |
| 11451 | scheduleAppGcsLocked(); |
| 11452 | } |
| 11453 | |
| 11454 | /** |
| 11455 | * Schedule the execution of all pending app GCs. |
| 11456 | */ |
| 11457 | final void scheduleAppGcsLocked() { |
| 11458 | mHandler.removeMessages(GC_BACKGROUND_PROCESSES_MSG); |
| 11459 | Message msg = mHandler.obtainMessage(GC_BACKGROUND_PROCESSES_MSG); |
| 11460 | mHandler.sendMessageDelayed(msg, GC_TIMEOUT); |
| 11461 | } |
| 11462 | |
| 11463 | /** |
| 11464 | * Set up to ask a process to GC itself. This will either do it |
| 11465 | * immediately, or put it on the list of processes to gc the next |
| 11466 | * time things are idle. |
| 11467 | */ |
| 11468 | final void scheduleAppGcLocked(ProcessRecord app) { |
| 11469 | long now = SystemClock.uptimeMillis(); |
| 11470 | if ((app.lastRequestedGc+5000) > now) { |
| 11471 | return; |
| 11472 | } |
| 11473 | if (!mProcessesToGc.contains(app)) { |
| 11474 | mProcessesToGc.add(app); |
| 11475 | scheduleAppGcsLocked(); |
| 11476 | } |
| 11477 | } |
| 11478 | |
| 11479 | private final boolean updateOomAdjLocked( |
| 11480 | ProcessRecord app, int hiddenAdj, ProcessRecord TOP_APP) { |
| 11481 | app.hiddenAdj = hiddenAdj; |
| 11482 | |
| 11483 | if (app.thread == null) { |
| 11484 | return true; |
| 11485 | } |
| 11486 | |
| 11487 | int adj = computeOomAdjLocked(app, hiddenAdj, TOP_APP); |
| 11488 | |
| 11489 | //Log.i(TAG, "Computed adj " + adj + " for app " + app.processName); |
| 11490 | //Thread priority adjustment is disabled out to see |
| 11491 | //how the kernel scheduler performs. |
| 11492 | if (false) { |
| 11493 | if (app.pid != 0 && app.isForeground != app.setIsForeground) { |
| 11494 | app.setIsForeground = app.isForeground; |
| 11495 | if (app.pid != MY_PID) { |
| 11496 | if (DEBUG_SWITCH || DEBUG_OOM_ADJ) Log.v(TAG, "Setting priority of " + app |
| 11497 | + " to " + (app.isForeground |
| 11498 | ? Process.THREAD_PRIORITY_FOREGROUND |
| 11499 | : Process.THREAD_PRIORITY_DEFAULT)); |
| 11500 | try { |
| 11501 | Process.setThreadPriority(app.pid, app.isForeground |
| 11502 | ? Process.THREAD_PRIORITY_FOREGROUND |
| 11503 | : Process.THREAD_PRIORITY_DEFAULT); |
| 11504 | } catch (RuntimeException e) { |
| 11505 | Log.w(TAG, "Exception trying to set priority of application thread " |
| 11506 | + app.pid, e); |
| 11507 | } |
| 11508 | } |
| 11509 | } |
| 11510 | } |
| 11511 | if (app.pid != 0 && app.pid != MY_PID) { |
| 11512 | if (app.curRawAdj != app.setRawAdj) { |
| 11513 | if (app.curRawAdj > FOREGROUND_APP_ADJ |
| 11514 | && app.setRawAdj <= FOREGROUND_APP_ADJ) { |
| 11515 | // If this app is transitioning from foreground to |
| 11516 | // non-foreground, have it do a gc. |
| 11517 | scheduleAppGcLocked(app); |
| 11518 | } else if (app.curRawAdj >= HIDDEN_APP_MIN_ADJ |
| 11519 | && app.setRawAdj < HIDDEN_APP_MIN_ADJ) { |
| 11520 | // Likewise do a gc when an app is moving in to the |
| 11521 | // background (such as a service stopping). |
| 11522 | scheduleAppGcLocked(app); |
| 11523 | } |
| 11524 | app.setRawAdj = app.curRawAdj; |
| 11525 | } |
| 11526 | if (adj != app.setAdj) { |
| 11527 | if (Process.setOomAdj(app.pid, adj)) { |
| 11528 | if (DEBUG_SWITCH || DEBUG_OOM_ADJ) Log.v( |
| 11529 | TAG, "Set app " + app.processName + |
| 11530 | " oom adj to " + adj); |
| 11531 | app.setAdj = adj; |
| 11532 | } else { |
| 11533 | return false; |
| 11534 | } |
| 11535 | } |
| 11536 | } |
| 11537 | |
| 11538 | return true; |
| 11539 | } |
| 11540 | |
| 11541 | private final HistoryRecord resumedAppLocked() { |
| 11542 | HistoryRecord resumedActivity = mResumedActivity; |
| 11543 | if (resumedActivity == null || resumedActivity.app == null) { |
| 11544 | resumedActivity = mPausingActivity; |
| 11545 | if (resumedActivity == null || resumedActivity.app == null) { |
| 11546 | resumedActivity = topRunningActivityLocked(null); |
| 11547 | } |
| 11548 | } |
| 11549 | return resumedActivity; |
| 11550 | } |
| 11551 | |
| 11552 | private final boolean updateOomAdjLocked(ProcessRecord app) { |
| 11553 | final HistoryRecord TOP_ACT = resumedAppLocked(); |
| 11554 | final ProcessRecord TOP_APP = TOP_ACT != null ? TOP_ACT.app : null; |
| 11555 | int curAdj = app.curAdj; |
| 11556 | final boolean wasHidden = app.curAdj >= HIDDEN_APP_MIN_ADJ |
| 11557 | && app.curAdj <= HIDDEN_APP_MAX_ADJ; |
| 11558 | |
| 11559 | mAdjSeq++; |
| 11560 | |
| 11561 | final boolean res = updateOomAdjLocked(app, app.hiddenAdj, TOP_APP); |
| 11562 | if (res) { |
| 11563 | final boolean nowHidden = app.curAdj >= HIDDEN_APP_MIN_ADJ |
| 11564 | && app.curAdj <= HIDDEN_APP_MAX_ADJ; |
| 11565 | if (nowHidden != wasHidden) { |
| 11566 | // Changed to/from hidden state, so apps after it in the LRU |
| 11567 | // list may also be changed. |
| 11568 | updateOomAdjLocked(); |
| 11569 | } |
| 11570 | } |
| 11571 | return res; |
| 11572 | } |
| 11573 | |
| 11574 | private final boolean updateOomAdjLocked() { |
| 11575 | boolean didOomAdj = true; |
| 11576 | final HistoryRecord TOP_ACT = resumedAppLocked(); |
| 11577 | final ProcessRecord TOP_APP = TOP_ACT != null ? TOP_ACT.app : null; |
| 11578 | |
| 11579 | if (false) { |
| 11580 | RuntimeException e = new RuntimeException(); |
| 11581 | e.fillInStackTrace(); |
| 11582 | Log.i(TAG, "updateOomAdj: top=" + TOP_ACT, e); |
| 11583 | } |
| 11584 | |
| 11585 | mAdjSeq++; |
| 11586 | |
| 11587 | // First try updating the OOM adjustment for each of the |
| 11588 | // application processes based on their current state. |
| 11589 | int i = mLRUProcesses.size(); |
| 11590 | int curHiddenAdj = HIDDEN_APP_MIN_ADJ; |
| 11591 | while (i > 0) { |
| 11592 | i--; |
| 11593 | ProcessRecord app = mLRUProcesses.get(i); |
| 11594 | if (updateOomAdjLocked(app, curHiddenAdj, TOP_APP)) { |
| 11595 | if (curHiddenAdj < HIDDEN_APP_MAX_ADJ |
| 11596 | && app.curAdj == curHiddenAdj) { |
| 11597 | curHiddenAdj++; |
| 11598 | } |
| 11599 | } else { |
| 11600 | didOomAdj = false; |
| 11601 | } |
| 11602 | } |
| 11603 | |
| 11604 | // todo: for now pretend like OOM ADJ didn't work, because things |
| 11605 | // aren't behaving as expected on Linux -- it's not killing processes. |
| 11606 | return ENFORCE_PROCESS_LIMIT || mProcessLimit > 0 ? false : didOomAdj; |
| 11607 | } |
| 11608 | |
| 11609 | private final void trimApplications() { |
| 11610 | synchronized (this) { |
| 11611 | int i; |
| 11612 | |
| 11613 | // First remove any unused application processes whose package |
| 11614 | // has been removed. |
| 11615 | for (i=mRemovedProcesses.size()-1; i>=0; i--) { |
| 11616 | final ProcessRecord app = mRemovedProcesses.get(i); |
| 11617 | if (app.activities.size() == 0 |
| 11618 | && app.curReceiver == null && app.services.size() == 0) { |
| 11619 | Log.i( |
| 11620 | TAG, "Exiting empty application process " |
| 11621 | + app.processName + " (" |
| 11622 | + (app.thread != null ? app.thread.asBinder() : null) |
| 11623 | + ")\n"); |
| 11624 | if (app.pid > 0 && app.pid != MY_PID) { |
| 11625 | Process.killProcess(app.pid); |
| 11626 | } else { |
| 11627 | try { |
| 11628 | app.thread.scheduleExit(); |
| 11629 | } catch (Exception e) { |
| 11630 | // Ignore exceptions. |
| 11631 | } |
| 11632 | } |
| 11633 | cleanUpApplicationRecordLocked(app, false, -1); |
| 11634 | mRemovedProcesses.remove(i); |
| 11635 | |
| 11636 | if (app.persistent) { |
| 11637 | if (app.persistent) { |
| 11638 | addAppLocked(app.info); |
| 11639 | } |
| 11640 | } |
| 11641 | } |
| 11642 | } |
| 11643 | |
| 11644 | // Now try updating the OOM adjustment for each of the |
| 11645 | // application processes based on their current state. |
| 11646 | // If the setOomAdj() API is not supported, then go with our |
| 11647 | // back-up plan... |
| 11648 | if (!updateOomAdjLocked()) { |
| 11649 | |
| 11650 | // Count how many processes are running services. |
| 11651 | int numServiceProcs = 0; |
| 11652 | for (i=mLRUProcesses.size()-1; i>=0; i--) { |
| 11653 | final ProcessRecord app = mLRUProcesses.get(i); |
| 11654 | |
| 11655 | if (app.persistent || app.services.size() != 0 |
| 11656 | || app.curReceiver != null |
| 11657 | || app.persistentActivities > 0) { |
| 11658 | // Don't count processes holding services against our |
| 11659 | // maximum process count. |
| 11660 | if (localLOGV) Log.v( |
| 11661 | TAG, "Not trimming app " + app + " with services: " |
| 11662 | + app.services); |
| 11663 | numServiceProcs++; |
| 11664 | } |
| 11665 | } |
| 11666 | |
| 11667 | int curMaxProcs = mProcessLimit; |
| 11668 | if (curMaxProcs <= 0) curMaxProcs = MAX_PROCESSES; |
| 11669 | if (mAlwaysFinishActivities) { |
| 11670 | curMaxProcs = 1; |
| 11671 | } |
| 11672 | curMaxProcs += numServiceProcs; |
| 11673 | |
| 11674 | // Quit as many processes as we can to get down to the desired |
| 11675 | // process count. First remove any processes that no longer |
| 11676 | // have activites running in them. |
| 11677 | for ( i=0; |
| 11678 | i<mLRUProcesses.size() |
| 11679 | && mLRUProcesses.size() > curMaxProcs; |
| 11680 | i++) { |
| 11681 | final ProcessRecord app = mLRUProcesses.get(i); |
| 11682 | // Quit an application only if it is not currently |
| 11683 | // running any activities. |
| 11684 | if (!app.persistent && app.activities.size() == 0 |
| 11685 | && app.curReceiver == null && app.services.size() == 0) { |
| 11686 | Log.i( |
| 11687 | TAG, "Exiting empty application process " |
| 11688 | + app.processName + " (" |
| 11689 | + (app.thread != null ? app.thread.asBinder() : null) |
| 11690 | + ")\n"); |
| 11691 | if (app.pid > 0 && app.pid != MY_PID) { |
| 11692 | Process.killProcess(app.pid); |
| 11693 | } else { |
| 11694 | try { |
| 11695 | app.thread.scheduleExit(); |
| 11696 | } catch (Exception e) { |
| 11697 | // Ignore exceptions. |
| 11698 | } |
| 11699 | } |
| 11700 | // todo: For now we assume the application is not buggy |
| 11701 | // or evil, and will quit as a result of our request. |
| 11702 | // Eventually we need to drive this off of the death |
| 11703 | // notification, and kill the process if it takes too long. |
| 11704 | cleanUpApplicationRecordLocked(app, false, i); |
| 11705 | i--; |
| 11706 | } |
| 11707 | } |
| 11708 | |
| 11709 | // If we still have too many processes, now from the least |
| 11710 | // recently used process we start finishing activities. |
| 11711 | if (Config.LOGV) Log.v( |
| 11712 | TAG, "*** NOW HAVE " + mLRUProcesses.size() + |
| 11713 | " of " + curMaxProcs + " processes"); |
| 11714 | for ( i=0; |
| 11715 | i<mLRUProcesses.size() |
| 11716 | && mLRUProcesses.size() > curMaxProcs; |
| 11717 | i++) { |
| 11718 | final ProcessRecord app = mLRUProcesses.get(i); |
| 11719 | // Quit the application only if we have a state saved for |
| 11720 | // all of its activities. |
| 11721 | boolean canQuit = !app.persistent && app.curReceiver == null |
| 11722 | && app.services.size() == 0 |
| 11723 | && app.persistentActivities == 0; |
| 11724 | int NUMA = app.activities.size(); |
| 11725 | int j; |
| 11726 | if (Config.LOGV) Log.v( |
| 11727 | TAG, "Looking to quit " + app.processName); |
| 11728 | for (j=0; j<NUMA && canQuit; j++) { |
| 11729 | HistoryRecord r = (HistoryRecord)app.activities.get(j); |
| 11730 | if (Config.LOGV) Log.v( |
| 11731 | TAG, " " + r.intent.getComponent().flattenToShortString() |
| 11732 | + ": frozen=" + r.haveState + ", visible=" + r.visible); |
| 11733 | canQuit = (r.haveState || !r.stateNotNeeded) |
| 11734 | && !r.visible && r.stopped; |
| 11735 | } |
| 11736 | if (canQuit) { |
| 11737 | // Finish all of the activities, and then the app itself. |
| 11738 | for (j=0; j<NUMA; j++) { |
| 11739 | HistoryRecord r = (HistoryRecord)app.activities.get(j); |
| 11740 | if (!r.finishing) { |
| 11741 | destroyActivityLocked(r, false); |
| 11742 | } |
| 11743 | r.resultTo = null; |
| 11744 | } |
| 11745 | Log.i(TAG, "Exiting application process " |
| 11746 | + app.processName + " (" |
| 11747 | + (app.thread != null ? app.thread.asBinder() : null) |
| 11748 | + ")\n"); |
| 11749 | if (app.pid > 0 && app.pid != MY_PID) { |
| 11750 | Process.killProcess(app.pid); |
| 11751 | } else { |
| 11752 | try { |
| 11753 | app.thread.scheduleExit(); |
| 11754 | } catch (Exception e) { |
| 11755 | // Ignore exceptions. |
| 11756 | } |
| 11757 | } |
| 11758 | // todo: For now we assume the application is not buggy |
| 11759 | // or evil, and will quit as a result of our request. |
| 11760 | // Eventually we need to drive this off of the death |
| 11761 | // notification, and kill the process if it takes too long. |
| 11762 | cleanUpApplicationRecordLocked(app, false, i); |
| 11763 | i--; |
| 11764 | //dump(); |
| 11765 | } |
| 11766 | } |
| 11767 | |
| 11768 | } |
| 11769 | |
| 11770 | int curMaxActivities = MAX_ACTIVITIES; |
| 11771 | if (mAlwaysFinishActivities) { |
| 11772 | curMaxActivities = 1; |
| 11773 | } |
| 11774 | |
| 11775 | // Finally, if there are too many activities now running, try to |
| 11776 | // finish as many as we can to get back down to the limit. |
| 11777 | for ( i=0; |
| 11778 | i<mLRUActivities.size() |
| 11779 | && mLRUActivities.size() > curMaxActivities; |
| 11780 | i++) { |
| 11781 | final HistoryRecord r |
| 11782 | = (HistoryRecord)mLRUActivities.get(i); |
| 11783 | |
| 11784 | // We can finish this one if we have its icicle saved and |
| 11785 | // it is not persistent. |
| 11786 | if ((r.haveState || !r.stateNotNeeded) && !r.visible |
| 11787 | && r.stopped && !r.persistent && !r.finishing) { |
| 11788 | final int origSize = mLRUActivities.size(); |
| 11789 | destroyActivityLocked(r, true); |
| 11790 | |
| 11791 | // This will remove it from the LRU list, so keep |
| 11792 | // our index at the same value. Note that this check to |
| 11793 | // see if the size changes is just paranoia -- if |
| 11794 | // something unexpected happens, we don't want to end up |
| 11795 | // in an infinite loop. |
| 11796 | if (origSize > mLRUActivities.size()) { |
| 11797 | i--; |
| 11798 | } |
| 11799 | } |
| 11800 | } |
| 11801 | } |
| 11802 | } |
| 11803 | |
| 11804 | /** This method sends the specified signal to each of the persistent apps */ |
| 11805 | public void signalPersistentProcesses(int sig) throws RemoteException { |
| 11806 | if (sig != Process.SIGNAL_USR1) { |
| 11807 | throw new SecurityException("Only SIGNAL_USR1 is allowed"); |
| 11808 | } |
| 11809 | |
| 11810 | synchronized (this) { |
| 11811 | if (checkCallingPermission(android.Manifest.permission.SIGNAL_PERSISTENT_PROCESSES) |
| 11812 | != PackageManager.PERMISSION_GRANTED) { |
| 11813 | throw new SecurityException("Requires permission " |
| 11814 | + android.Manifest.permission.SIGNAL_PERSISTENT_PROCESSES); |
| 11815 | } |
| 11816 | |
| 11817 | for (int i = mLRUProcesses.size() - 1 ; i >= 0 ; i--) { |
| 11818 | ProcessRecord r = mLRUProcesses.get(i); |
| 11819 | if (r.thread != null && r.persistent) { |
| 11820 | Process.sendSignal(r.pid, sig); |
| 11821 | } |
| 11822 | } |
| 11823 | } |
| 11824 | } |
| 11825 | |
The Android Open Source Project | f5b4b98 | 2009-03-05 20:00:43 -0800 | [diff] [blame^] | 11826 | public boolean profileControl(String process, boolean start, |
| 11827 | String path) throws RemoteException { |
| 11828 | |
| 11829 | synchronized (this) { |
| 11830 | // note: hijacking SET_ACTIVITY_WATCHER, but should be changed to |
| 11831 | // its own permission. |
| 11832 | if (checkCallingPermission(android.Manifest.permission.SET_ACTIVITY_WATCHER) |
| 11833 | != PackageManager.PERMISSION_GRANTED) { |
| 11834 | throw new SecurityException("Requires permission " |
| 11835 | + android.Manifest.permission.SET_ACTIVITY_WATCHER); |
| 11836 | } |
| 11837 | |
| 11838 | ProcessRecord proc = null; |
| 11839 | try { |
| 11840 | int pid = Integer.parseInt(process); |
| 11841 | synchronized (mPidsSelfLocked) { |
| 11842 | proc = mPidsSelfLocked.get(pid); |
| 11843 | } |
| 11844 | } catch (NumberFormatException e) { |
| 11845 | } |
| 11846 | |
| 11847 | if (proc == null) { |
| 11848 | HashMap<String, SparseArray<ProcessRecord>> all |
| 11849 | = mProcessNames.getMap(); |
| 11850 | SparseArray<ProcessRecord> procs = all.get(process); |
| 11851 | if (procs != null && procs.size() > 0) { |
| 11852 | proc = procs.valueAt(0); |
| 11853 | } |
| 11854 | } |
| 11855 | |
| 11856 | if (proc == null || proc.thread == null) { |
| 11857 | throw new IllegalArgumentException("Unknown process: " + process); |
| 11858 | } |
| 11859 | |
| 11860 | boolean isSecure = "1".equals(SystemProperties.get(SYSTEM_SECURE, "0")); |
| 11861 | if (isSecure) { |
| 11862 | if ((proc.info.flags&ApplicationInfo.FLAG_DEBUGGABLE) == 0) { |
| 11863 | throw new SecurityException("Process not debuggable: " + proc); |
| 11864 | } |
| 11865 | } |
| 11866 | |
| 11867 | try { |
| 11868 | proc.thread.profilerControl(start, path); |
| 11869 | return true; |
| 11870 | } catch (RemoteException e) { |
| 11871 | throw new IllegalStateException("Process disappeared"); |
| 11872 | } |
| 11873 | } |
| 11874 | } |
| 11875 | |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 11876 | /** In this method we try to acquire our lock to make sure that we have not deadlocked */ |
| 11877 | public void monitor() { |
| 11878 | synchronized (this) { } |
| 11879 | } |
| 11880 | } |