The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 1 | /* |
| 2 | * Copyright (C) 2007 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 android.app; |
| 18 | |
Dianne Hackborn | 91268cf | 2013-06-13 19:06:50 -0700 | [diff] [blame] | 19 | import android.os.BatteryStats; |
Dianne Hackborn | cbfd23e | 2013-06-11 14:26:53 -0700 | [diff] [blame] | 20 | import android.os.IBinder; |
Amith Yamasani | 4b2e934 | 2011-03-31 12:38:53 -0700 | [diff] [blame] | 21 | import com.android.internal.app.IUsageStats; |
Dianne Hackborn | 8a0de58 | 2013-08-07 15:22:07 -0700 | [diff] [blame] | 22 | import com.android.internal.app.ProcessStats; |
Amith Yamasani | 4b2e934 | 2011-03-31 12:38:53 -0700 | [diff] [blame] | 23 | import com.android.internal.os.PkgUsageStats; |
Dianne Hackborn | cbfd23e | 2013-06-11 14:26:53 -0700 | [diff] [blame] | 24 | import com.android.internal.os.TransferPipe; |
Dianne Hackborn | 8c84109 | 2013-06-24 13:46:13 -0700 | [diff] [blame] | 25 | import com.android.internal.util.FastPrintWriter; |
Amith Yamasani | 4b2e934 | 2011-03-31 12:38:53 -0700 | [diff] [blame] | 26 | |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 27 | import android.content.ComponentName; |
| 28 | import android.content.Context; |
| 29 | import android.content.Intent; |
Suchi Amalapurapu | f7f5dda | 2010-03-23 10:34:28 -0700 | [diff] [blame] | 30 | import android.content.pm.ApplicationInfo; |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 31 | import android.content.pm.ConfigurationInfo; |
| 32 | import android.content.pm.IPackageDataObserver; |
Dianne Hackborn | 5320eb8 | 2012-05-18 12:05:04 -0700 | [diff] [blame] | 33 | import android.content.pm.PackageManager; |
Dianne Hackborn | 4120375 | 2012-08-31 14:05:51 -0700 | [diff] [blame] | 34 | import android.content.pm.UserInfo; |
Kenny Root | 5ef44b7 | 2011-01-26 17:22:20 -0800 | [diff] [blame] | 35 | import android.content.res.Resources; |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 36 | import android.graphics.Bitmap; |
Craig Mautner | 967212c | 2013-04-13 21:10:58 -0700 | [diff] [blame] | 37 | import android.graphics.Rect; |
Dianne Hackborn | 8078d8c | 2012-03-20 11:11:26 -0700 | [diff] [blame] | 38 | import android.os.Bundle; |
Dianne Hackborn | 4f21c4c | 2009-09-17 10:24:05 -0700 | [diff] [blame] | 39 | import android.os.Debug; |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 40 | import android.os.Handler; |
| 41 | import android.os.Parcel; |
| 42 | import android.os.Parcelable; |
Dianne Hackborn | 5320eb8 | 2012-05-18 12:05:04 -0700 | [diff] [blame] | 43 | import android.os.Process; |
Amith Yamasani | 4b2e934 | 2011-03-31 12:38:53 -0700 | [diff] [blame] | 44 | import android.os.RemoteException; |
Peter Visontay | 8d224ca | 2011-02-18 16:39:19 +0000 | [diff] [blame] | 45 | import android.os.ServiceManager; |
Dianne Hackborn | 2c6c5e6 | 2009-10-08 17:55:49 -0700 | [diff] [blame] | 46 | import android.os.SystemProperties; |
Dianne Hackborn | f02b60a | 2012-08-16 10:48:27 -0700 | [diff] [blame] | 47 | import android.os.UserHandle; |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 48 | import android.text.TextUtils; |
Kenny Root | 5ef44b7 | 2011-01-26 17:22:20 -0800 | [diff] [blame] | 49 | import android.util.DisplayMetrics; |
Peter Visontay | 8d224ca | 2011-02-18 16:39:19 +0000 | [diff] [blame] | 50 | import android.util.Log; |
Dianne Hackborn | b375632 | 2011-08-12 13:58:13 -0700 | [diff] [blame] | 51 | import android.util.Slog; |
Kenny Root | 5ef44b7 | 2011-01-26 17:22:20 -0800 | [diff] [blame] | 52 | |
Dianne Hackborn | cbfd23e | 2013-06-11 14:26:53 -0700 | [diff] [blame] | 53 | import java.io.FileDescriptor; |
| 54 | import java.io.FileOutputStream; |
| 55 | import java.io.PrintWriter; |
Peter Visontay | 8d224ca | 2011-02-18 16:39:19 +0000 | [diff] [blame] | 56 | import java.util.HashMap; |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 57 | import java.util.List; |
Peter Visontay | 8d224ca | 2011-02-18 16:39:19 +0000 | [diff] [blame] | 58 | import java.util.Map; |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 59 | |
| 60 | /** |
| 61 | * Interact with the overall activities running in the system. |
| 62 | */ |
| 63 | public class ActivityManager { |
| 64 | private static String TAG = "ActivityManager"; |
Joe Onorato | 43a1765 | 2011-04-06 19:22:23 -0700 | [diff] [blame] | 65 | private static boolean localLOGV = false; |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 66 | |
| 67 | private final Context mContext; |
| 68 | private final Handler mHandler; |
| 69 | |
Dianne Hackborn | a4972e9 | 2012-03-14 10:38:05 -0700 | [diff] [blame] | 70 | /** |
Scott Main | cc2195b | 2013-10-16 13:57:46 -0700 | [diff] [blame] | 71 | * <a href="{@docRoot}guide/topics/manifest/meta-data-element.html">{@code |
| 72 | * <meta-data>}</a> name for a 'home' Activity that declares a package that is to be |
Christopher Tate | bd413f6 | 2013-09-18 18:31:59 -0700 | [diff] [blame] | 73 | * uninstalled in lieu of the declaring one. The package named here must be |
Scott Main | cc2195b | 2013-10-16 13:57:46 -0700 | [diff] [blame] | 74 | * signed with the same certificate as the one declaring the {@code <meta-data>}. |
Christopher Tate | bd413f6 | 2013-09-18 18:31:59 -0700 | [diff] [blame] | 75 | */ |
| 76 | public static final String META_HOME_ALTERNATE = "android.app.home.alternate"; |
| 77 | |
| 78 | /** |
Dianne Hackborn | a4972e9 | 2012-03-14 10:38:05 -0700 | [diff] [blame] | 79 | * Result for IActivityManager.startActivity: an error where the |
| 80 | * start had to be canceled. |
| 81 | * @hide |
| 82 | */ |
| 83 | public static final int START_CANCELED = -6; |
| 84 | |
| 85 | /** |
| 86 | * Result for IActivityManager.startActivity: an error where the |
| 87 | * thing being started is not an activity. |
| 88 | * @hide |
| 89 | */ |
| 90 | public static final int START_NOT_ACTIVITY = -5; |
| 91 | |
| 92 | /** |
| 93 | * Result for IActivityManager.startActivity: an error where the |
| 94 | * caller does not have permission to start the activity. |
| 95 | * @hide |
| 96 | */ |
| 97 | public static final int START_PERMISSION_DENIED = -4; |
| 98 | |
| 99 | /** |
| 100 | * Result for IActivityManager.startActivity: an error where the |
| 101 | * caller has requested both to forward a result and to receive |
| 102 | * a result. |
| 103 | * @hide |
| 104 | */ |
| 105 | public static final int START_FORWARD_AND_REQUEST_CONFLICT = -3; |
| 106 | |
| 107 | /** |
| 108 | * Result for IActivityManager.startActivity: an error where the |
| 109 | * requested class is not found. |
| 110 | * @hide |
| 111 | */ |
| 112 | public static final int START_CLASS_NOT_FOUND = -2; |
| 113 | |
| 114 | /** |
| 115 | * Result for IActivityManager.startActivity: an error where the |
| 116 | * given Intent could not be resolved to an activity. |
| 117 | * @hide |
| 118 | */ |
| 119 | public static final int START_INTENT_NOT_RESOLVED = -1; |
| 120 | |
| 121 | /** |
| 122 | * Result for IActivityManaqer.startActivity: the activity was started |
| 123 | * successfully as normal. |
| 124 | * @hide |
| 125 | */ |
| 126 | public static final int START_SUCCESS = 0; |
| 127 | |
| 128 | /** |
| 129 | * Result for IActivityManaqer.startActivity: the caller asked that the Intent not |
| 130 | * be executed if it is the recipient, and that is indeed the case. |
| 131 | * @hide |
| 132 | */ |
| 133 | public static final int START_RETURN_INTENT_TO_CALLER = 1; |
| 134 | |
| 135 | /** |
| 136 | * Result for IActivityManaqer.startActivity: activity wasn't really started, but |
| 137 | * a task was simply brought to the foreground. |
| 138 | * @hide |
| 139 | */ |
| 140 | public static final int START_TASK_TO_FRONT = 2; |
| 141 | |
| 142 | /** |
| 143 | * Result for IActivityManaqer.startActivity: activity wasn't really started, but |
| 144 | * the given Intent was given to the existing top activity. |
| 145 | * @hide |
| 146 | */ |
| 147 | public static final int START_DELIVERED_TO_TOP = 3; |
| 148 | |
| 149 | /** |
| 150 | * Result for IActivityManaqer.startActivity: request was canceled because |
| 151 | * app switches are temporarily canceled to ensure the user's last request |
| 152 | * (such as pressing home) is performed. |
| 153 | * @hide |
| 154 | */ |
| 155 | public static final int START_SWITCHES_CANCELED = 4; |
| 156 | |
| 157 | /** |
| 158 | * Flag for IActivityManaqer.startActivity: do special start mode where |
| 159 | * a new activity is launched only if it is needed. |
| 160 | * @hide |
| 161 | */ |
| 162 | public static final int START_FLAG_ONLY_IF_NEEDED = 1<<0; |
| 163 | |
| 164 | /** |
| 165 | * Flag for IActivityManaqer.startActivity: launch the app for |
| 166 | * debugging. |
| 167 | * @hide |
| 168 | */ |
| 169 | public static final int START_FLAG_DEBUG = 1<<1; |
| 170 | |
| 171 | /** |
| 172 | * Flag for IActivityManaqer.startActivity: launch the app for |
| 173 | * OpenGL tracing. |
| 174 | * @hide |
| 175 | */ |
| 176 | public static final int START_FLAG_OPENGL_TRACES = 1<<2; |
| 177 | |
| 178 | /** |
| 179 | * Flag for IActivityManaqer.startActivity: if the app is being |
| 180 | * launched for profiling, automatically stop the profiler once done. |
| 181 | * @hide |
| 182 | */ |
| 183 | public static final int START_FLAG_AUTO_STOP_PROFILER = 1<<3; |
| 184 | |
| 185 | /** |
| 186 | * Result for IActivityManaqer.broadcastIntent: success! |
| 187 | * @hide |
| 188 | */ |
| 189 | public static final int BROADCAST_SUCCESS = 0; |
| 190 | |
| 191 | /** |
| 192 | * Result for IActivityManaqer.broadcastIntent: attempt to broadcast |
| 193 | * a sticky intent without appropriate permission. |
| 194 | * @hide |
| 195 | */ |
| 196 | public static final int BROADCAST_STICKY_CANT_HAVE_PERMISSION = -1; |
| 197 | |
| 198 | /** |
| 199 | * Type for IActivityManaqer.getIntentSender: this PendingIntent is |
| 200 | * for a sendBroadcast operation. |
| 201 | * @hide |
| 202 | */ |
| 203 | public static final int INTENT_SENDER_BROADCAST = 1; |
| 204 | |
| 205 | /** |
| 206 | * Type for IActivityManaqer.getIntentSender: this PendingIntent is |
| 207 | * for a startActivity operation. |
| 208 | * @hide |
| 209 | */ |
| 210 | public static final int INTENT_SENDER_ACTIVITY = 2; |
| 211 | |
| 212 | /** |
| 213 | * Type for IActivityManaqer.getIntentSender: this PendingIntent is |
| 214 | * for an activity result operation. |
| 215 | * @hide |
| 216 | */ |
| 217 | public static final int INTENT_SENDER_ACTIVITY_RESULT = 3; |
| 218 | |
| 219 | /** |
| 220 | * Type for IActivityManaqer.getIntentSender: this PendingIntent is |
| 221 | * for a startService operation. |
| 222 | * @hide |
| 223 | */ |
| 224 | public static final int INTENT_SENDER_SERVICE = 4; |
| 225 | |
Dianne Hackborn | 80a4af2 | 2012-08-27 19:18:31 -0700 | [diff] [blame] | 226 | /** @hide User operation call: success! */ |
| 227 | public static final int USER_OP_SUCCESS = 0; |
| 228 | |
| 229 | /** @hide User operation call: given user id is not known. */ |
| 230 | public static final int USER_OP_UNKNOWN_USER = -1; |
| 231 | |
| 232 | /** @hide User operation call: given user id is the current user, can't be stopped. */ |
| 233 | public static final int USER_OP_IS_CURRENT = -2; |
| 234 | |
Dianne Hackborn | a413dc0 | 2013-07-12 12:02:55 -0700 | [diff] [blame] | 235 | /** @hide Process is a persistent system process. */ |
| 236 | public static final int PROCESS_STATE_PERSISTENT = 0; |
| 237 | |
| 238 | /** @hide Process is a persistent system process and is doing UI. */ |
| 239 | public static final int PROCESS_STATE_PERSISTENT_UI = 1; |
| 240 | |
Dianne Hackborn | c823051 | 2013-07-13 21:32:12 -0700 | [diff] [blame] | 241 | /** @hide Process is hosting the current top activities. Note that this covers |
| 242 | * all activities that are visible to the user. */ |
Dianne Hackborn | a413dc0 | 2013-07-12 12:02:55 -0700 | [diff] [blame] | 243 | public static final int PROCESS_STATE_TOP = 2; |
| 244 | |
| 245 | /** @hide Process is important to the user, and something they are aware of. */ |
Dianne Hackborn | c823051 | 2013-07-13 21:32:12 -0700 | [diff] [blame] | 246 | public static final int PROCESS_STATE_IMPORTANT_FOREGROUND = 3; |
Dianne Hackborn | a413dc0 | 2013-07-12 12:02:55 -0700 | [diff] [blame] | 247 | |
| 248 | /** @hide Process is important to the user, but not something they are aware of. */ |
| 249 | public static final int PROCESS_STATE_IMPORTANT_BACKGROUND = 4; |
| 250 | |
Dianne Hackborn | a413dc0 | 2013-07-12 12:02:55 -0700 | [diff] [blame] | 251 | /** @hide Process is in the background running a backup/restore operation. */ |
Dianne Hackborn | c823051 | 2013-07-13 21:32:12 -0700 | [diff] [blame] | 252 | public static final int PROCESS_STATE_BACKUP = 5; |
Dianne Hackborn | a413dc0 | 2013-07-12 12:02:55 -0700 | [diff] [blame] | 253 | |
Dianne Hackborn | c823051 | 2013-07-13 21:32:12 -0700 | [diff] [blame] | 254 | /** @hide Process is in the background, but it can't restore its state so we want |
| 255 | * to try to avoid killing it. */ |
| 256 | public static final int PROCESS_STATE_HEAVY_WEIGHT = 6; |
| 257 | |
| 258 | /** @hide Process is in the background running a service. Unlike oom_adj, this level |
| 259 | * is used for both the normal running in background state and the executing |
| 260 | * operations state. */ |
Dianne Hackborn | a413dc0 | 2013-07-12 12:02:55 -0700 | [diff] [blame] | 261 | public static final int PROCESS_STATE_SERVICE = 7; |
| 262 | |
Dianne Hackborn | c823051 | 2013-07-13 21:32:12 -0700 | [diff] [blame] | 263 | /** @hide Process is in the background running a receiver. Note that from the |
| 264 | * perspective of oom_adj receivers run at a higher foreground level, but for our |
| 265 | * prioritization here that is not necessary and putting them below services means |
| 266 | * many fewer changes in some process states as they receive broadcasts. */ |
| 267 | public static final int PROCESS_STATE_RECEIVER = 8; |
| 268 | |
Dianne Hackborn | a413dc0 | 2013-07-12 12:02:55 -0700 | [diff] [blame] | 269 | /** @hide Process is in the background but hosts the home activity. */ |
Dianne Hackborn | c823051 | 2013-07-13 21:32:12 -0700 | [diff] [blame] | 270 | public static final int PROCESS_STATE_HOME = 9; |
Dianne Hackborn | a413dc0 | 2013-07-12 12:02:55 -0700 | [diff] [blame] | 271 | |
| 272 | /** @hide Process is in the background but hosts the last shown activity. */ |
Dianne Hackborn | c823051 | 2013-07-13 21:32:12 -0700 | [diff] [blame] | 273 | public static final int PROCESS_STATE_LAST_ACTIVITY = 10; |
Dianne Hackborn | a413dc0 | 2013-07-12 12:02:55 -0700 | [diff] [blame] | 274 | |
Dianne Hackborn | c823051 | 2013-07-13 21:32:12 -0700 | [diff] [blame] | 275 | /** @hide Process is being cached for later use and contains activities. */ |
| 276 | public static final int PROCESS_STATE_CACHED_ACTIVITY = 11; |
| 277 | |
| 278 | /** @hide Process is being cached for later use and is a client of another cached |
| 279 | * process that contains activities. */ |
| 280 | public static final int PROCESS_STATE_CACHED_ACTIVITY_CLIENT = 12; |
| 281 | |
| 282 | /** @hide Process is being cached for later use and is empty. */ |
| 283 | public static final int PROCESS_STATE_CACHED_EMPTY = 13; |
Dianne Hackborn | a413dc0 | 2013-07-12 12:02:55 -0700 | [diff] [blame] | 284 | |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 285 | /*package*/ ActivityManager(Context context, Handler handler) { |
| 286 | mContext = context; |
| 287 | mHandler = handler; |
| 288 | } |
| 289 | |
| 290 | /** |
Dianne Hackborn | 0f1de9a | 2011-05-11 17:34:49 -0700 | [diff] [blame] | 291 | * Screen compatibility mode: the application most always run in |
| 292 | * compatibility mode. |
| 293 | * @hide |
| 294 | */ |
| 295 | public static final int COMPAT_MODE_ALWAYS = -1; |
| 296 | |
| 297 | /** |
| 298 | * Screen compatibility mode: the application can never run in |
| 299 | * compatibility mode. |
| 300 | * @hide |
| 301 | */ |
| 302 | public static final int COMPAT_MODE_NEVER = -2; |
| 303 | |
| 304 | /** |
| 305 | * Screen compatibility mode: unknown. |
| 306 | * @hide |
| 307 | */ |
| 308 | public static final int COMPAT_MODE_UNKNOWN = -3; |
| 309 | |
| 310 | /** |
| 311 | * Screen compatibility mode: the application currently has compatibility |
| 312 | * mode disabled. |
| 313 | * @hide |
| 314 | */ |
| 315 | public static final int COMPAT_MODE_DISABLED = 0; |
| 316 | |
| 317 | /** |
| 318 | * Screen compatibility mode: the application currently has compatibility |
| 319 | * mode enabled. |
| 320 | * @hide |
| 321 | */ |
| 322 | public static final int COMPAT_MODE_ENABLED = 1; |
| 323 | |
| 324 | /** |
| 325 | * Screen compatibility mode: request to toggle the application's |
| 326 | * compatibility mode. |
| 327 | * @hide |
| 328 | */ |
| 329 | public static final int COMPAT_MODE_TOGGLE = 2; |
| 330 | |
| 331 | /** @hide */ |
| 332 | public int getFrontActivityScreenCompatMode() { |
| 333 | try { |
| 334 | return ActivityManagerNative.getDefault().getFrontActivityScreenCompatMode(); |
| 335 | } catch (RemoteException e) { |
| 336 | // System dead, we will be dead too soon! |
| 337 | return 0; |
| 338 | } |
| 339 | } |
| 340 | |
Dianne Hackborn | df9799f | 2011-05-12 15:16:33 -0700 | [diff] [blame] | 341 | /** @hide */ |
Dianne Hackborn | 0f1de9a | 2011-05-11 17:34:49 -0700 | [diff] [blame] | 342 | public void setFrontActivityScreenCompatMode(int mode) { |
| 343 | try { |
| 344 | ActivityManagerNative.getDefault().setFrontActivityScreenCompatMode(mode); |
| 345 | } catch (RemoteException e) { |
| 346 | // System dead, we will be dead too soon! |
| 347 | } |
| 348 | } |
| 349 | |
Dianne Hackborn | df9799f | 2011-05-12 15:16:33 -0700 | [diff] [blame] | 350 | /** @hide */ |
Dianne Hackborn | 0f1de9a | 2011-05-11 17:34:49 -0700 | [diff] [blame] | 351 | public int getPackageScreenCompatMode(String packageName) { |
| 352 | try { |
| 353 | return ActivityManagerNative.getDefault().getPackageScreenCompatMode(packageName); |
| 354 | } catch (RemoteException e) { |
| 355 | // System dead, we will be dead too soon! |
| 356 | return 0; |
| 357 | } |
| 358 | } |
| 359 | |
Dianne Hackborn | df9799f | 2011-05-12 15:16:33 -0700 | [diff] [blame] | 360 | /** @hide */ |
Dianne Hackborn | 0f1de9a | 2011-05-11 17:34:49 -0700 | [diff] [blame] | 361 | public void setPackageScreenCompatMode(String packageName, int mode) { |
| 362 | try { |
| 363 | ActivityManagerNative.getDefault().setPackageScreenCompatMode(packageName, mode); |
| 364 | } catch (RemoteException e) { |
| 365 | // System dead, we will be dead too soon! |
| 366 | } |
| 367 | } |
| 368 | |
Dianne Hackborn | 36cd41f | 2011-05-25 21:00:46 -0700 | [diff] [blame] | 369 | /** @hide */ |
| 370 | public boolean getPackageAskScreenCompat(String packageName) { |
| 371 | try { |
| 372 | return ActivityManagerNative.getDefault().getPackageAskScreenCompat(packageName); |
| 373 | } catch (RemoteException e) { |
| 374 | // System dead, we will be dead too soon! |
| 375 | return false; |
| 376 | } |
| 377 | } |
| 378 | |
| 379 | /** @hide */ |
| 380 | public void setPackageAskScreenCompat(String packageName, boolean ask) { |
| 381 | try { |
| 382 | ActivityManagerNative.getDefault().setPackageAskScreenCompat(packageName, ask); |
| 383 | } catch (RemoteException e) { |
| 384 | // System dead, we will be dead too soon! |
| 385 | } |
| 386 | } |
| 387 | |
Dianne Hackborn | 0f1de9a | 2011-05-11 17:34:49 -0700 | [diff] [blame] | 388 | /** |
Dianne Hackborn | 2c6c5e6 | 2009-10-08 17:55:49 -0700 | [diff] [blame] | 389 | * Return the approximate per-application memory class of the current |
| 390 | * device. This gives you an idea of how hard a memory limit you should |
| 391 | * impose on your application to let the overall system work best. The |
| 392 | * returned value is in megabytes; the baseline Android memory class is |
| 393 | * 16 (which happens to be the Java heap limit of those devices); some |
| 394 | * device with more memory may return 24 or even higher numbers. |
| 395 | */ |
| 396 | public int getMemoryClass() { |
| 397 | return staticGetMemoryClass(); |
| 398 | } |
| 399 | |
| 400 | /** @hide */ |
| 401 | static public int staticGetMemoryClass() { |
| 402 | // Really brain dead right now -- just take this from the configured |
| 403 | // vm heap size, and assume it is in megabytes and thus ends with "m". |
Dianne Hackborn | 7ad33c8 | 2011-03-08 15:53:25 -0800 | [diff] [blame] | 404 | String vmHeapSize = SystemProperties.get("dalvik.vm.heapgrowthlimit", ""); |
Dianne Hackborn | de39851 | 2011-01-18 18:45:21 -0800 | [diff] [blame] | 405 | if (vmHeapSize != null && !"".equals(vmHeapSize)) { |
| 406 | return Integer.parseInt(vmHeapSize.substring(0, vmHeapSize.length()-1)); |
| 407 | } |
| 408 | return staticGetLargeMemoryClass(); |
Dianne Hackborn | 4e24aac | 2010-12-23 11:43:46 -0800 | [diff] [blame] | 409 | } |
| 410 | |
| 411 | /** |
| 412 | * Return the approximate per-application memory class of the current |
| 413 | * device when an application is running with a large heap. This is the |
| 414 | * space available for memory-intensive applications; most applications |
| 415 | * should not need this amount of memory, and should instead stay with the |
| 416 | * {@link #getMemoryClass()} limit. The returned value is in megabytes. |
| 417 | * This may be the same size as {@link #getMemoryClass()} on memory |
| 418 | * constrained devices, or it may be significantly larger on devices with |
| 419 | * a large amount of available RAM. |
Dianne Hackborn | 3b81bc1 | 2011-01-15 11:50:52 -0800 | [diff] [blame] | 420 | * |
| 421 | * <p>The is the size of the application's Dalvik heap if it has |
| 422 | * specified <code>android:largeHeap="true"</code> in its manifest. |
Dianne Hackborn | 4e24aac | 2010-12-23 11:43:46 -0800 | [diff] [blame] | 423 | */ |
| 424 | public int getLargeMemoryClass() { |
| 425 | return staticGetLargeMemoryClass(); |
| 426 | } |
| 427 | |
| 428 | /** @hide */ |
| 429 | static public int staticGetLargeMemoryClass() { |
| 430 | // Really brain dead right now -- just take this from the configured |
| 431 | // vm heap size, and assume it is in megabytes and thus ends with "m". |
Dianne Hackborn | 2c6c5e6 | 2009-10-08 17:55:49 -0700 | [diff] [blame] | 432 | String vmHeapSize = SystemProperties.get("dalvik.vm.heapsize", "16m"); |
| 433 | return Integer.parseInt(vmHeapSize.substring(0, vmHeapSize.length()-1)); |
| 434 | } |
Dianne Hackborn | b4e1249 | 2013-06-26 15:08:19 -0700 | [diff] [blame] | 435 | |
| 436 | /** |
| 437 | * Returns true if this is a low-RAM device. Exactly whether a device is low-RAM |
| 438 | * is ultimately up to the device configuration, but currently it generally means |
| 439 | * something in the class of a 512MB device with about a 800x480 or less screen. |
| 440 | * This is mostly intended to be used by apps to determine whether they should turn |
| 441 | * off certain features that require more RAM. |
| 442 | */ |
| 443 | public boolean isLowRamDevice() { |
| 444 | return isLowRamDeviceStatic(); |
| 445 | } |
| 446 | |
| 447 | /** @hide */ |
| 448 | public static boolean isLowRamDeviceStatic() { |
Christopher Tate | 2f61f91 | 2013-08-20 13:55:50 -0700 | [diff] [blame] | 449 | return "true".equals(SystemProperties.get("ro.config.low_ram", "false")); |
Dianne Hackborn | b4e1249 | 2013-06-26 15:08:19 -0700 | [diff] [blame] | 450 | } |
| 451 | |
Dianne Hackborn | 2c6c5e6 | 2009-10-08 17:55:49 -0700 | [diff] [blame] | 452 | /** |
Dianne Hackborn | b375632 | 2011-08-12 13:58:13 -0700 | [diff] [blame] | 453 | * Used by persistent processes to determine if they are running on a |
| 454 | * higher-end device so should be okay using hardware drawing acceleration |
| 455 | * (which tends to consume a lot more RAM). |
| 456 | * @hide |
| 457 | */ |
Jeff Brown | 98365d7 | 2012-08-19 20:30:52 -0700 | [diff] [blame] | 458 | static public boolean isHighEndGfx() { |
Dianne Hackborn | b4e1249 | 2013-06-26 15:08:19 -0700 | [diff] [blame] | 459 | return !isLowRamDeviceStatic() && |
| 460 | !Resources.getSystem().getBoolean(com.android.internal.R.bool.config_avoidGfxAccel); |
Dianne Hackborn | 49d228b3 | 2011-08-24 17:37:31 -0700 | [diff] [blame] | 461 | } |
| 462 | |
| 463 | /** |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 464 | * Information you can retrieve about tasks that the user has most recently |
| 465 | * started or visited. |
| 466 | */ |
| 467 | public static class RecentTaskInfo implements Parcelable { |
| 468 | /** |
| 469 | * If this task is currently running, this is the identifier for it. |
| 470 | * If it is not running, this will be -1. |
| 471 | */ |
| 472 | public int id; |
| 473 | |
| 474 | /** |
Dianne Hackborn | d94df45 | 2011-02-16 18:53:31 -0800 | [diff] [blame] | 475 | * The true identifier of this task, valid even if it is not running. |
| 476 | */ |
| 477 | public int persistentId; |
| 478 | |
| 479 | /** |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 480 | * The original Intent used to launch the task. You can use this |
| 481 | * Intent to re-launch the task (if it is no longer running) or bring |
| 482 | * the current task to the front. |
| 483 | */ |
| 484 | public Intent baseIntent; |
| 485 | |
| 486 | /** |
| 487 | * If this task was started from an alias, this is the actual |
| 488 | * activity component that was initially started; the component of |
| 489 | * the baseIntent in this case is the name of the actual activity |
| 490 | * implementation that the alias referred to. Otherwise, this is null. |
| 491 | */ |
| 492 | public ComponentName origActivity; |
Dianne Hackborn | d283593 | 2010-12-13 16:28:46 -0800 | [diff] [blame] | 493 | |
| 494 | /** |
Dianne Hackborn | d283593 | 2010-12-13 16:28:46 -0800 | [diff] [blame] | 495 | * Description of the task's last state. |
| 496 | */ |
| 497 | public CharSequence description; |
Craig Mautner | 6d90fed | 2013-05-22 15:03:10 -0700 | [diff] [blame] | 498 | |
| 499 | /** |
| 500 | * The id of the ActivityStack this Task was on most recently. |
Craig Mautner | 2703052 | 2013-08-26 12:25:36 -0700 | [diff] [blame] | 501 | * @hide |
Craig Mautner | 6d90fed | 2013-05-22 15:03:10 -0700 | [diff] [blame] | 502 | */ |
| 503 | public int stackId; |
| 504 | |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 505 | public RecentTaskInfo() { |
| 506 | } |
| 507 | |
Craig Mautner | 6d90fed | 2013-05-22 15:03:10 -0700 | [diff] [blame] | 508 | @Override |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 509 | public int describeContents() { |
| 510 | return 0; |
| 511 | } |
| 512 | |
Craig Mautner | 6d90fed | 2013-05-22 15:03:10 -0700 | [diff] [blame] | 513 | @Override |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 514 | public void writeToParcel(Parcel dest, int flags) { |
| 515 | dest.writeInt(id); |
Dianne Hackborn | d94df45 | 2011-02-16 18:53:31 -0800 | [diff] [blame] | 516 | dest.writeInt(persistentId); |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 517 | if (baseIntent != null) { |
| 518 | dest.writeInt(1); |
| 519 | baseIntent.writeToParcel(dest, 0); |
| 520 | } else { |
| 521 | dest.writeInt(0); |
| 522 | } |
| 523 | ComponentName.writeToParcel(origActivity, dest); |
Dianne Hackborn | d283593 | 2010-12-13 16:28:46 -0800 | [diff] [blame] | 524 | TextUtils.writeToParcel(description, dest, |
| 525 | Parcelable.PARCELABLE_WRITE_RETURN_VALUE); |
Craig Mautner | 6d90fed | 2013-05-22 15:03:10 -0700 | [diff] [blame] | 526 | dest.writeInt(stackId); |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 527 | } |
| 528 | |
| 529 | public void readFromParcel(Parcel source) { |
| 530 | id = source.readInt(); |
Dianne Hackborn | d94df45 | 2011-02-16 18:53:31 -0800 | [diff] [blame] | 531 | persistentId = source.readInt(); |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 532 | if (source.readInt() != 0) { |
| 533 | baseIntent = Intent.CREATOR.createFromParcel(source); |
| 534 | } else { |
| 535 | baseIntent = null; |
| 536 | } |
| 537 | origActivity = ComponentName.readFromParcel(source); |
Dianne Hackborn | d283593 | 2010-12-13 16:28:46 -0800 | [diff] [blame] | 538 | description = TextUtils.CHAR_SEQUENCE_CREATOR.createFromParcel(source); |
Craig Mautner | 6d90fed | 2013-05-22 15:03:10 -0700 | [diff] [blame] | 539 | stackId = source.readInt(); |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 540 | } |
Craig Mautner | 6d90fed | 2013-05-22 15:03:10 -0700 | [diff] [blame] | 541 | |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 542 | public static final Creator<RecentTaskInfo> CREATOR |
| 543 | = new Creator<RecentTaskInfo>() { |
| 544 | public RecentTaskInfo createFromParcel(Parcel source) { |
| 545 | return new RecentTaskInfo(source); |
| 546 | } |
| 547 | public RecentTaskInfo[] newArray(int size) { |
| 548 | return new RecentTaskInfo[size]; |
| 549 | } |
| 550 | }; |
| 551 | |
| 552 | private RecentTaskInfo(Parcel source) { |
| 553 | readFromParcel(source); |
| 554 | } |
| 555 | } |
| 556 | |
| 557 | /** |
| 558 | * Flag for use with {@link #getRecentTasks}: return all tasks, even those |
| 559 | * that have set their |
| 560 | * {@link android.content.Intent#FLAG_ACTIVITY_EXCLUDE_FROM_RECENTS} flag. |
| 561 | */ |
| 562 | public static final int RECENT_WITH_EXCLUDED = 0x0001; |
| 563 | |
| 564 | /** |
Dianne Hackborn | d283593 | 2010-12-13 16:28:46 -0800 | [diff] [blame] | 565 | * Provides a list that does not contain any |
Dianne Hackborn | 53d9264d | 2010-04-13 12:49:14 -0700 | [diff] [blame] | 566 | * recent tasks that currently are not available to the user. |
| 567 | */ |
| 568 | public static final int RECENT_IGNORE_UNAVAILABLE = 0x0002; |
Dianne Hackborn | d283593 | 2010-12-13 16:28:46 -0800 | [diff] [blame] | 569 | |
| 570 | /** |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 571 | * Return a list of the tasks that the user has recently launched, with |
| 572 | * the most recent being first and older ones after in order. |
Dianne Hackborn | c5bf758 | 2012-04-25 19:12:07 -0700 | [diff] [blame] | 573 | * |
| 574 | * <p><b>Note: this method is only intended for debugging and presenting |
| 575 | * task management user interfaces</b>. This should never be used for |
| 576 | * core logic in an application, such as deciding between different |
| 577 | * behaviors based on the information found here. Such uses are |
| 578 | * <em>not</em> supported, and will likely break in the future. For |
| 579 | * example, if multiple applications can be actively running at the |
| 580 | * same time, assumptions made about the meaning of the data here for |
| 581 | * purposes of control flow will be incorrect.</p> |
| 582 | * |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 583 | * @param maxNum The maximum number of entries to return in the list. The |
| 584 | * actual number returned may be smaller, depending on how many tasks the |
| 585 | * user has started and the maximum number the system can remember. |
Dianne Hackborn | d283593 | 2010-12-13 16:28:46 -0800 | [diff] [blame] | 586 | * @param flags Information about what to return. May be any combination |
Dianne Hackborn | 805fd7e | 2011-01-16 18:30:29 -0800 | [diff] [blame] | 587 | * of {@link #RECENT_WITH_EXCLUDED} and {@link #RECENT_IGNORE_UNAVAILABLE}. |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 588 | * |
| 589 | * @return Returns a list of RecentTaskInfo records describing each of |
| 590 | * the recent tasks. |
| 591 | * |
| 592 | * @throws SecurityException Throws SecurityException if the caller does |
| 593 | * not hold the {@link android.Manifest.permission#GET_TASKS} permission. |
| 594 | */ |
| 595 | public List<RecentTaskInfo> getRecentTasks(int maxNum, int flags) |
| 596 | throws SecurityException { |
| 597 | try { |
| 598 | return ActivityManagerNative.getDefault().getRecentTasks(maxNum, |
Dianne Hackborn | f02b60a | 2012-08-16 10:48:27 -0700 | [diff] [blame] | 599 | flags, UserHandle.myUserId()); |
Amith Yamasani | 8264408 | 2012-08-03 13:09:11 -0700 | [diff] [blame] | 600 | } catch (RemoteException e) { |
| 601 | // System dead, we will be dead too soon! |
| 602 | return null; |
| 603 | } |
| 604 | } |
| 605 | |
| 606 | /** |
| 607 | * Same as {@link #getRecentTasks(int, int)} but returns the recent tasks for a |
| 608 | * specific user. It requires holding |
| 609 | * the {@link android.Manifest.permission#INTERACT_ACROSS_USERS_FULL} permission. |
| 610 | * @param maxNum The maximum number of entries to return in the list. The |
| 611 | * actual number returned may be smaller, depending on how many tasks the |
| 612 | * user has started and the maximum number the system can remember. |
| 613 | * @param flags Information about what to return. May be any combination |
| 614 | * of {@link #RECENT_WITH_EXCLUDED} and {@link #RECENT_IGNORE_UNAVAILABLE}. |
| 615 | * |
| 616 | * @return Returns a list of RecentTaskInfo records describing each of |
| 617 | * the recent tasks. |
| 618 | * |
| 619 | * @throws SecurityException Throws SecurityException if the caller does |
| 620 | * not hold the {@link android.Manifest.permission#GET_TASKS} or the |
| 621 | * {@link android.Manifest.permission#INTERACT_ACROSS_USERS_FULL} permissions. |
| 622 | * @hide |
| 623 | */ |
| 624 | public List<RecentTaskInfo> getRecentTasksForUser(int maxNum, int flags, int userId) |
| 625 | throws SecurityException { |
| 626 | try { |
| 627 | return ActivityManagerNative.getDefault().getRecentTasks(maxNum, |
| 628 | flags, userId); |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 629 | } catch (RemoteException e) { |
| 630 | // System dead, we will be dead too soon! |
| 631 | return null; |
| 632 | } |
| 633 | } |
| 634 | |
| 635 | /** |
| 636 | * Information you can retrieve about a particular task that is currently |
| 637 | * "running" in the system. Note that a running task does not mean the |
Dianne Hackborn | 0c5001d | 2011-04-12 18:16:08 -0700 | [diff] [blame] | 638 | * given task actually has a process it is actively running in; it simply |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 639 | * means that the user has gone to it and never closed it, but currently |
| 640 | * the system may have killed its process and is only holding on to its |
| 641 | * last state in order to restart it when the user returns. |
| 642 | */ |
| 643 | public static class RunningTaskInfo implements Parcelable { |
| 644 | /** |
| 645 | * A unique identifier for this task. |
| 646 | */ |
| 647 | public int id; |
| 648 | |
| 649 | /** |
| 650 | * The component launched as the first activity in the task. This can |
| 651 | * be considered the "application" of this task. |
| 652 | */ |
| 653 | public ComponentName baseActivity; |
| 654 | |
| 655 | /** |
| 656 | * The activity component at the top of the history stack of the task. |
| 657 | * This is what the user is currently doing. |
| 658 | */ |
| 659 | public ComponentName topActivity; |
| 660 | |
| 661 | /** |
Dianne Hackborn | 805fd7e | 2011-01-16 18:30:29 -0800 | [diff] [blame] | 662 | * Thumbnail representation of the task's current state. Currently |
| 663 | * always null. |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 664 | */ |
| 665 | public Bitmap thumbnail; |
| 666 | |
| 667 | /** |
| 668 | * Description of the task's current state. |
| 669 | */ |
| 670 | public CharSequence description; |
| 671 | |
| 672 | /** |
| 673 | * Number of activities in this task. |
| 674 | */ |
| 675 | public int numActivities; |
| 676 | |
| 677 | /** |
| 678 | * Number of activities that are currently running (not stopped |
| 679 | * and persisted) in this task. |
| 680 | */ |
| 681 | public int numRunning; |
| 682 | |
Craig Mautner | c0fd805 | 2013-09-19 11:20:17 -0700 | [diff] [blame] | 683 | /** |
| 684 | * Last time task was run. For sorting. |
| 685 | * @hide |
| 686 | */ |
| 687 | public long lastActiveTime; |
| 688 | |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 689 | public RunningTaskInfo() { |
| 690 | } |
| 691 | |
| 692 | public int describeContents() { |
| 693 | return 0; |
| 694 | } |
| 695 | |
| 696 | public void writeToParcel(Parcel dest, int flags) { |
| 697 | dest.writeInt(id); |
| 698 | ComponentName.writeToParcel(baseActivity, dest); |
| 699 | ComponentName.writeToParcel(topActivity, dest); |
| 700 | if (thumbnail != null) { |
| 701 | dest.writeInt(1); |
| 702 | thumbnail.writeToParcel(dest, 0); |
| 703 | } else { |
| 704 | dest.writeInt(0); |
| 705 | } |
| 706 | TextUtils.writeToParcel(description, dest, |
| 707 | Parcelable.PARCELABLE_WRITE_RETURN_VALUE); |
| 708 | dest.writeInt(numActivities); |
| 709 | dest.writeInt(numRunning); |
| 710 | } |
| 711 | |
| 712 | public void readFromParcel(Parcel source) { |
| 713 | id = source.readInt(); |
| 714 | baseActivity = ComponentName.readFromParcel(source); |
| 715 | topActivity = ComponentName.readFromParcel(source); |
| 716 | if (source.readInt() != 0) { |
| 717 | thumbnail = Bitmap.CREATOR.createFromParcel(source); |
| 718 | } else { |
| 719 | thumbnail = null; |
| 720 | } |
| 721 | description = TextUtils.CHAR_SEQUENCE_CREATOR.createFromParcel(source); |
| 722 | numActivities = source.readInt(); |
| 723 | numRunning = source.readInt(); |
| 724 | } |
| 725 | |
| 726 | public static final Creator<RunningTaskInfo> CREATOR = new Creator<RunningTaskInfo>() { |
| 727 | public RunningTaskInfo createFromParcel(Parcel source) { |
| 728 | return new RunningTaskInfo(source); |
| 729 | } |
| 730 | public RunningTaskInfo[] newArray(int size) { |
| 731 | return new RunningTaskInfo[size]; |
| 732 | } |
| 733 | }; |
| 734 | |
| 735 | private RunningTaskInfo(Parcel source) { |
| 736 | readFromParcel(source); |
| 737 | } |
| 738 | } |
Dianne Hackborn | d283593 | 2010-12-13 16:28:46 -0800 | [diff] [blame] | 739 | |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 740 | /** |
| 741 | * Return a list of the tasks that are currently running, with |
| 742 | * the most recent being first and older ones after in order. Note that |
| 743 | * "running" does not mean any of the task's code is currently loaded or |
| 744 | * activity -- the task may have been frozen by the system, so that it |
| 745 | * can be restarted in its previous state when next brought to the |
| 746 | * foreground. |
| 747 | * |
| 748 | * @param maxNum The maximum number of entries to return in the list. The |
| 749 | * actual number returned may be smaller, depending on how many tasks the |
| 750 | * user has started. |
Jim Miller | 0b2a6d0 | 2010-07-13 18:01:29 -0700 | [diff] [blame] | 751 | * |
| 752 | * @param flags Optional flags |
| 753 | * @param receiver Optional receiver for delayed thumbnails |
| 754 | * |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 755 | * @return Returns a list of RunningTaskInfo records describing each of |
| 756 | * the running tasks. |
| 757 | * |
Jim Miller | 0b2a6d0 | 2010-07-13 18:01:29 -0700 | [diff] [blame] | 758 | * Some thumbnails may not be available at the time of this call. The optional |
| 759 | * receiver may be used to receive those thumbnails. |
| 760 | * |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 761 | * @throws SecurityException Throws SecurityException if the caller does |
| 762 | * not hold the {@link android.Manifest.permission#GET_TASKS} permission. |
Jim Miller | 0b2a6d0 | 2010-07-13 18:01:29 -0700 | [diff] [blame] | 763 | * |
| 764 | * @hide |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 765 | */ |
Jim Miller | 0b2a6d0 | 2010-07-13 18:01:29 -0700 | [diff] [blame] | 766 | public List<RunningTaskInfo> getRunningTasks(int maxNum, int flags, IThumbnailReceiver receiver) |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 767 | throws SecurityException { |
| 768 | try { |
Jim Miller | 0b2a6d0 | 2010-07-13 18:01:29 -0700 | [diff] [blame] | 769 | return ActivityManagerNative.getDefault().getTasks(maxNum, flags, receiver); |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 770 | } catch (RemoteException e) { |
| 771 | // System dead, we will be dead too soon! |
| 772 | return null; |
| 773 | } |
| 774 | } |
Jim Miller | 0b2a6d0 | 2010-07-13 18:01:29 -0700 | [diff] [blame] | 775 | |
| 776 | /** |
| 777 | * Return a list of the tasks that are currently running, with |
| 778 | * the most recent being first and older ones after in order. Note that |
| 779 | * "running" does not mean any of the task's code is currently loaded or |
| 780 | * activity -- the task may have been frozen by the system, so that it |
| 781 | * can be restarted in its previous state when next brought to the |
| 782 | * foreground. |
| 783 | * |
Dianne Hackborn | c5bf758 | 2012-04-25 19:12:07 -0700 | [diff] [blame] | 784 | * <p><b>Note: this method is only intended for debugging and presenting |
| 785 | * task management user interfaces</b>. This should never be used for |
| 786 | * core logic in an application, such as deciding between different |
| 787 | * behaviors based on the information found here. Such uses are |
| 788 | * <em>not</em> supported, and will likely break in the future. For |
| 789 | * example, if multiple applications can be actively running at the |
| 790 | * same time, assumptions made about the meaning of the data here for |
| 791 | * purposes of control flow will be incorrect.</p> |
| 792 | * |
Jim Miller | 0b2a6d0 | 2010-07-13 18:01:29 -0700 | [diff] [blame] | 793 | * @param maxNum The maximum number of entries to return in the list. The |
| 794 | * actual number returned may be smaller, depending on how many tasks the |
| 795 | * user has started. |
| 796 | * |
| 797 | * @return Returns a list of RunningTaskInfo records describing each of |
| 798 | * the running tasks. |
| 799 | * |
| 800 | * @throws SecurityException Throws SecurityException if the caller does |
| 801 | * not hold the {@link android.Manifest.permission#GET_TASKS} permission. |
| 802 | */ |
| 803 | public List<RunningTaskInfo> getRunningTasks(int maxNum) |
| 804 | throws SecurityException { |
| 805 | return getRunningTasks(maxNum, 0, null); |
| 806 | } |
| 807 | |
Dianne Hackborn | 0c5001d | 2011-04-12 18:16:08 -0700 | [diff] [blame] | 808 | /** |
| 809 | * Remove some end of a task's activity stack that is not part of |
| 810 | * the main application. The selected activities will be finished, so |
| 811 | * they are no longer part of the main task. |
| 812 | * |
| 813 | * @param taskId The identifier of the task. |
| 814 | * @param subTaskIndex The number of the sub-task; this corresponds |
| 815 | * to the index of the thumbnail returned by {@link #getTaskThumbnails(int)}. |
| 816 | * @return Returns true if the sub-task was found and was removed. |
| 817 | * |
| 818 | * @hide |
| 819 | */ |
| 820 | public boolean removeSubTask(int taskId, int subTaskIndex) |
| 821 | throws SecurityException { |
| 822 | try { |
| 823 | return ActivityManagerNative.getDefault().removeSubTask(taskId, subTaskIndex); |
| 824 | } catch (RemoteException e) { |
| 825 | // System dead, we will be dead too soon! |
| 826 | return false; |
| 827 | } |
| 828 | } |
| 829 | |
| 830 | /** |
| 831 | * If set, the process of the root activity of the task will be killed |
| 832 | * as part of removing the task. |
| 833 | * @hide |
| 834 | */ |
| 835 | public static final int REMOVE_TASK_KILL_PROCESS = 0x0001; |
| 836 | |
| 837 | /** |
| 838 | * Completely remove the given task. |
| 839 | * |
| 840 | * @param taskId Identifier of the task to be removed. |
| 841 | * @param flags Additional operational flags. May be 0 or |
| 842 | * {@link #REMOVE_TASK_KILL_PROCESS}. |
| 843 | * @return Returns true if the given task was found and removed. |
| 844 | * |
| 845 | * @hide |
| 846 | */ |
| 847 | public boolean removeTask(int taskId, int flags) |
| 848 | throws SecurityException { |
| 849 | try { |
| 850 | return ActivityManagerNative.getDefault().removeTask(taskId, flags); |
| 851 | } catch (RemoteException e) { |
| 852 | // System dead, we will be dead too soon! |
| 853 | return false; |
| 854 | } |
| 855 | } |
| 856 | |
Dianne Hackborn | d94df45 | 2011-02-16 18:53:31 -0800 | [diff] [blame] | 857 | /** @hide */ |
Dianne Hackborn | f26fd99 | 2011-04-08 18:14:09 -0700 | [diff] [blame] | 858 | public static class TaskThumbnails implements Parcelable { |
| 859 | public Bitmap mainThumbnail; |
| 860 | |
| 861 | public int numSubThumbbails; |
| 862 | |
| 863 | /** @hide */ |
| 864 | public IThumbnailRetriever retriever; |
| 865 | |
Dianne Hackborn | f26fd99 | 2011-04-08 18:14:09 -0700 | [diff] [blame] | 866 | public TaskThumbnails() { |
| 867 | } |
| 868 | |
| 869 | public Bitmap getSubThumbnail(int index) { |
| 870 | try { |
| 871 | return retriever.getThumbnail(index); |
| 872 | } catch (RemoteException e) { |
| 873 | return null; |
| 874 | } |
| 875 | } |
| 876 | |
| 877 | public int describeContents() { |
| 878 | return 0; |
| 879 | } |
| 880 | |
| 881 | public void writeToParcel(Parcel dest, int flags) { |
| 882 | if (mainThumbnail != null) { |
| 883 | dest.writeInt(1); |
| 884 | mainThumbnail.writeToParcel(dest, 0); |
| 885 | } else { |
| 886 | dest.writeInt(0); |
| 887 | } |
| 888 | dest.writeInt(numSubThumbbails); |
| 889 | dest.writeStrongInterface(retriever); |
| 890 | } |
| 891 | |
| 892 | public void readFromParcel(Parcel source) { |
| 893 | if (source.readInt() != 0) { |
| 894 | mainThumbnail = Bitmap.CREATOR.createFromParcel(source); |
| 895 | } else { |
| 896 | mainThumbnail = null; |
| 897 | } |
| 898 | numSubThumbbails = source.readInt(); |
| 899 | retriever = IThumbnailRetriever.Stub.asInterface(source.readStrongBinder()); |
| 900 | } |
| 901 | |
| 902 | public static final Creator<TaskThumbnails> CREATOR = new Creator<TaskThumbnails>() { |
| 903 | public TaskThumbnails createFromParcel(Parcel source) { |
| 904 | return new TaskThumbnails(source); |
| 905 | } |
| 906 | public TaskThumbnails[] newArray(int size) { |
| 907 | return new TaskThumbnails[size]; |
| 908 | } |
| 909 | }; |
| 910 | |
| 911 | private TaskThumbnails(Parcel source) { |
| 912 | readFromParcel(source); |
| 913 | } |
| 914 | } |
| 915 | |
| 916 | /** @hide */ |
| 917 | public TaskThumbnails getTaskThumbnails(int id) throws SecurityException { |
Dianne Hackborn | d94df45 | 2011-02-16 18:53:31 -0800 | [diff] [blame] | 918 | try { |
Dianne Hackborn | f26fd99 | 2011-04-08 18:14:09 -0700 | [diff] [blame] | 919 | return ActivityManagerNative.getDefault().getTaskThumbnails(id); |
Dianne Hackborn | d94df45 | 2011-02-16 18:53:31 -0800 | [diff] [blame] | 920 | } catch (RemoteException e) { |
| 921 | // System dead, we will be dead too soon! |
| 922 | return null; |
| 923 | } |
| 924 | } |
Dianne Hackborn | 15491c6 | 2012-09-19 10:59:14 -0700 | [diff] [blame] | 925 | |
| 926 | /** @hide */ |
| 927 | public Bitmap getTaskTopThumbnail(int id) throws SecurityException { |
| 928 | try { |
| 929 | return ActivityManagerNative.getDefault().getTaskTopThumbnail(id); |
| 930 | } catch (RemoteException e) { |
| 931 | // System dead, we will be dead too soon! |
| 932 | return null; |
| 933 | } |
| 934 | } |
| 935 | |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 936 | /** |
Dianne Hackborn | 621e17d | 2010-11-22 15:59:56 -0800 | [diff] [blame] | 937 | * Flag for {@link #moveTaskToFront(int, int)}: also move the "home" |
| 938 | * activity along with the task, so it is positioned immediately behind |
| 939 | * the task. |
| 940 | */ |
| 941 | public static final int MOVE_TASK_WITH_HOME = 0x00000001; |
| 942 | |
| 943 | /** |
Dianne Hackborn | d94df45 | 2011-02-16 18:53:31 -0800 | [diff] [blame] | 944 | * Flag for {@link #moveTaskToFront(int, int)}: don't count this as a |
| 945 | * user-instigated action, so the current activity will not receive a |
| 946 | * hint that the user is leaving. |
| 947 | */ |
| 948 | public static final int MOVE_TASK_NO_USER_ACTION = 0x00000002; |
| 949 | |
| 950 | /** |
Dianne Hackborn | 8078d8c | 2012-03-20 11:11:26 -0700 | [diff] [blame] | 951 | * Equivalent to calling {@link #moveTaskToFront(int, int, Bundle)} |
| 952 | * with a null options argument. |
| 953 | * |
| 954 | * @param taskId The identifier of the task to be moved, as found in |
| 955 | * {@link RunningTaskInfo} or {@link RecentTaskInfo}. |
| 956 | * @param flags Additional operational flags, 0 or more of |
Craig Mautner | ecbfe25 | 2013-03-28 11:58:25 -0700 | [diff] [blame] | 957 | * {@link #MOVE_TASK_WITH_HOME}, {@link #MOVE_TASK_NO_USER_ACTION}. |
Dianne Hackborn | 8078d8c | 2012-03-20 11:11:26 -0700 | [diff] [blame] | 958 | */ |
| 959 | public void moveTaskToFront(int taskId, int flags) { |
| 960 | moveTaskToFront(taskId, flags, null); |
| 961 | } |
| 962 | |
| 963 | /** |
Dianne Hackborn | 621e17d | 2010-11-22 15:59:56 -0800 | [diff] [blame] | 964 | * Ask that the task associated with a given task ID be moved to the |
| 965 | * front of the stack, so it is now visible to the user. Requires that |
| 966 | * the caller hold permission {@link android.Manifest.permission#REORDER_TASKS} |
| 967 | * or a SecurityException will be thrown. |
| 968 | * |
| 969 | * @param taskId The identifier of the task to be moved, as found in |
| 970 | * {@link RunningTaskInfo} or {@link RecentTaskInfo}. |
| 971 | * @param flags Additional operational flags, 0 or more of |
Craig Mautner | ecbfe25 | 2013-03-28 11:58:25 -0700 | [diff] [blame] | 972 | * {@link #MOVE_TASK_WITH_HOME}, {@link #MOVE_TASK_NO_USER_ACTION}. |
Dianne Hackborn | 8078d8c | 2012-03-20 11:11:26 -0700 | [diff] [blame] | 973 | * @param options Additional options for the operation, either null or |
| 974 | * as per {@link Context#startActivity(Intent, android.os.Bundle) |
| 975 | * Context.startActivity(Intent, Bundle)}. |
Dianne Hackborn | 621e17d | 2010-11-22 15:59:56 -0800 | [diff] [blame] | 976 | */ |
Dianne Hackborn | 8078d8c | 2012-03-20 11:11:26 -0700 | [diff] [blame] | 977 | public void moveTaskToFront(int taskId, int flags, Bundle options) { |
Dianne Hackborn | 621e17d | 2010-11-22 15:59:56 -0800 | [diff] [blame] | 978 | try { |
Dianne Hackborn | 8078d8c | 2012-03-20 11:11:26 -0700 | [diff] [blame] | 979 | ActivityManagerNative.getDefault().moveTaskToFront(taskId, flags, options); |
Dianne Hackborn | 621e17d | 2010-11-22 15:59:56 -0800 | [diff] [blame] | 980 | } catch (RemoteException e) { |
| 981 | // System dead, we will be dead too soon! |
| 982 | } |
| 983 | } |
| 984 | |
| 985 | /** |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 986 | * Information you can retrieve about a particular Service that is |
| 987 | * currently running in the system. |
| 988 | */ |
| 989 | public static class RunningServiceInfo implements Parcelable { |
| 990 | /** |
| 991 | * The service component. |
| 992 | */ |
| 993 | public ComponentName service; |
| 994 | |
| 995 | /** |
| 996 | * If non-zero, this is the process the service is running in. |
| 997 | */ |
| 998 | public int pid; |
| 999 | |
| 1000 | /** |
Dianne Hackborn | 3025ef3 | 2009-08-31 21:31:47 -0700 | [diff] [blame] | 1001 | * The UID that owns this service. |
| 1002 | */ |
| 1003 | public int uid; |
| 1004 | |
| 1005 | /** |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 1006 | * The name of the process this service runs in. |
| 1007 | */ |
| 1008 | public String process; |
| 1009 | |
| 1010 | /** |
| 1011 | * Set to true if the service has asked to run as a foreground process. |
| 1012 | */ |
| 1013 | public boolean foreground; |
| 1014 | |
| 1015 | /** |
Dianne Hackborn | 3025ef3 | 2009-08-31 21:31:47 -0700 | [diff] [blame] | 1016 | * The time when the service was first made active, either by someone |
Dianne Hackborn | 9adb9c3 | 2010-08-13 14:09:56 -0700 | [diff] [blame] | 1017 | * starting or binding to it. This |
| 1018 | * is in units of {@link android.os.SystemClock#elapsedRealtime()}. |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 1019 | */ |
| 1020 | public long activeSince; |
| 1021 | |
| 1022 | /** |
| 1023 | * Set to true if this service has been explicitly started. |
| 1024 | */ |
| 1025 | public boolean started; |
| 1026 | |
| 1027 | /** |
| 1028 | * Number of clients connected to the service. |
| 1029 | */ |
| 1030 | public int clientCount; |
| 1031 | |
| 1032 | /** |
| 1033 | * Number of times the service's process has crashed while the service |
| 1034 | * is running. |
| 1035 | */ |
| 1036 | public int crashCount; |
| 1037 | |
| 1038 | /** |
| 1039 | * The time when there was last activity in the service (either |
Dianne Hackborn | 9adb9c3 | 2010-08-13 14:09:56 -0700 | [diff] [blame] | 1040 | * explicit requests to start it or clients binding to it). This |
| 1041 | * is in units of {@link android.os.SystemClock#uptimeMillis()}. |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 1042 | */ |
| 1043 | public long lastActivityTime; |
| 1044 | |
| 1045 | /** |
| 1046 | * If non-zero, this service is not currently running, but scheduled to |
| 1047 | * restart at the given time. |
| 1048 | */ |
| 1049 | public long restarting; |
| 1050 | |
Dianne Hackborn | 3025ef3 | 2009-08-31 21:31:47 -0700 | [diff] [blame] | 1051 | /** |
| 1052 | * Bit for {@link #flags}: set if this service has been |
| 1053 | * explicitly started. |
| 1054 | */ |
| 1055 | public static final int FLAG_STARTED = 1<<0; |
| 1056 | |
| 1057 | /** |
| 1058 | * Bit for {@link #flags}: set if the service has asked to |
| 1059 | * run as a foreground process. |
| 1060 | */ |
| 1061 | public static final int FLAG_FOREGROUND = 1<<1; |
| 1062 | |
| 1063 | /** |
| 1064 | * Bit for {@link #flags): set if the service is running in a |
| 1065 | * core system process. |
| 1066 | */ |
| 1067 | public static final int FLAG_SYSTEM_PROCESS = 1<<2; |
| 1068 | |
| 1069 | /** |
| 1070 | * Bit for {@link #flags): set if the service is running in a |
| 1071 | * persistent process. |
| 1072 | */ |
| 1073 | public static final int FLAG_PERSISTENT_PROCESS = 1<<3; |
| 1074 | |
| 1075 | /** |
| 1076 | * Running flags. |
| 1077 | */ |
| 1078 | public int flags; |
| 1079 | |
Dianne Hackborn | dd9b82c | 2009-09-03 00:18:47 -0700 | [diff] [blame] | 1080 | /** |
| 1081 | * For special services that are bound to by system code, this is |
| 1082 | * the package that holds the binding. |
| 1083 | */ |
| 1084 | public String clientPackage; |
| 1085 | |
| 1086 | /** |
| 1087 | * For special services that are bound to by system code, this is |
| 1088 | * a string resource providing a user-visible label for who the |
| 1089 | * client is. |
| 1090 | */ |
| 1091 | public int clientLabel; |
| 1092 | |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 1093 | public RunningServiceInfo() { |
| 1094 | } |
| 1095 | |
| 1096 | public int describeContents() { |
| 1097 | return 0; |
| 1098 | } |
| 1099 | |
| 1100 | public void writeToParcel(Parcel dest, int flags) { |
| 1101 | ComponentName.writeToParcel(service, dest); |
| 1102 | dest.writeInt(pid); |
Dianne Hackborn | 3025ef3 | 2009-08-31 21:31:47 -0700 | [diff] [blame] | 1103 | dest.writeInt(uid); |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 1104 | dest.writeString(process); |
| 1105 | dest.writeInt(foreground ? 1 : 0); |
| 1106 | dest.writeLong(activeSince); |
| 1107 | dest.writeInt(started ? 1 : 0); |
| 1108 | dest.writeInt(clientCount); |
| 1109 | dest.writeInt(crashCount); |
| 1110 | dest.writeLong(lastActivityTime); |
| 1111 | dest.writeLong(restarting); |
Dianne Hackborn | 3025ef3 | 2009-08-31 21:31:47 -0700 | [diff] [blame] | 1112 | dest.writeInt(this.flags); |
Dianne Hackborn | dd9b82c | 2009-09-03 00:18:47 -0700 | [diff] [blame] | 1113 | dest.writeString(clientPackage); |
| 1114 | dest.writeInt(clientLabel); |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 1115 | } |
| 1116 | |
| 1117 | public void readFromParcel(Parcel source) { |
| 1118 | service = ComponentName.readFromParcel(source); |
| 1119 | pid = source.readInt(); |
Dianne Hackborn | 3025ef3 | 2009-08-31 21:31:47 -0700 | [diff] [blame] | 1120 | uid = source.readInt(); |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 1121 | process = source.readString(); |
| 1122 | foreground = source.readInt() != 0; |
| 1123 | activeSince = source.readLong(); |
| 1124 | started = source.readInt() != 0; |
| 1125 | clientCount = source.readInt(); |
| 1126 | crashCount = source.readInt(); |
| 1127 | lastActivityTime = source.readLong(); |
| 1128 | restarting = source.readLong(); |
Dianne Hackborn | 3025ef3 | 2009-08-31 21:31:47 -0700 | [diff] [blame] | 1129 | flags = source.readInt(); |
Dianne Hackborn | dd9b82c | 2009-09-03 00:18:47 -0700 | [diff] [blame] | 1130 | clientPackage = source.readString(); |
| 1131 | clientLabel = source.readInt(); |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 1132 | } |
| 1133 | |
| 1134 | public static final Creator<RunningServiceInfo> CREATOR = new Creator<RunningServiceInfo>() { |
| 1135 | public RunningServiceInfo createFromParcel(Parcel source) { |
| 1136 | return new RunningServiceInfo(source); |
| 1137 | } |
| 1138 | public RunningServiceInfo[] newArray(int size) { |
| 1139 | return new RunningServiceInfo[size]; |
| 1140 | } |
| 1141 | }; |
| 1142 | |
| 1143 | private RunningServiceInfo(Parcel source) { |
| 1144 | readFromParcel(source); |
| 1145 | } |
| 1146 | } |
| 1147 | |
| 1148 | /** |
| 1149 | * Return a list of the services that are currently running. |
Dianne Hackborn | c5bf758 | 2012-04-25 19:12:07 -0700 | [diff] [blame] | 1150 | * |
| 1151 | * <p><b>Note: this method is only intended for debugging or implementing |
| 1152 | * service management type user interfaces.</b></p> |
| 1153 | * |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 1154 | * @param maxNum The maximum number of entries to return in the list. The |
| 1155 | * actual number returned may be smaller, depending on how many services |
| 1156 | * are running. |
| 1157 | * |
| 1158 | * @return Returns a list of RunningServiceInfo records describing each of |
| 1159 | * the running tasks. |
| 1160 | */ |
| 1161 | public List<RunningServiceInfo> getRunningServices(int maxNum) |
| 1162 | throws SecurityException { |
| 1163 | try { |
Amith Yamasani | 4b2e934 | 2011-03-31 12:38:53 -0700 | [diff] [blame] | 1164 | return ActivityManagerNative.getDefault() |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 1165 | .getServices(maxNum, 0); |
| 1166 | } catch (RemoteException e) { |
| 1167 | // System dead, we will be dead too soon! |
| 1168 | return null; |
| 1169 | } |
| 1170 | } |
| 1171 | |
| 1172 | /** |
Dianne Hackborn | dd9b82c | 2009-09-03 00:18:47 -0700 | [diff] [blame] | 1173 | * Returns a PendingIntent you can start to show a control panel for the |
| 1174 | * given running service. If the service does not have a control panel, |
| 1175 | * null is returned. |
| 1176 | */ |
| 1177 | public PendingIntent getRunningServiceControlPanel(ComponentName service) |
| 1178 | throws SecurityException { |
| 1179 | try { |
| 1180 | return ActivityManagerNative.getDefault() |
| 1181 | .getRunningServiceControlPanel(service); |
| 1182 | } catch (RemoteException e) { |
| 1183 | // System dead, we will be dead too soon! |
| 1184 | return null; |
| 1185 | } |
| 1186 | } |
| 1187 | |
| 1188 | /** |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 1189 | * Information you can retrieve about the available memory through |
| 1190 | * {@link ActivityManager#getMemoryInfo}. |
| 1191 | */ |
| 1192 | public static class MemoryInfo implements Parcelable { |
| 1193 | /** |
Dianne Hackborn | 59325eb | 2012-05-09 18:45:20 -0700 | [diff] [blame] | 1194 | * The available memory on the system. This number should not |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 1195 | * be considered absolute: due to the nature of the kernel, a significant |
| 1196 | * portion of this memory is actually in use and needed for the overall |
| 1197 | * system to run well. |
| 1198 | */ |
| 1199 | public long availMem; |
Dianne Hackborn | 59325eb | 2012-05-09 18:45:20 -0700 | [diff] [blame] | 1200 | |
| 1201 | /** |
| 1202 | * The total memory accessible by the kernel. This is basically the |
| 1203 | * RAM size of the device, not including below-kernel fixed allocations |
| 1204 | * like DMA buffers, RAM for the baseband CPU, etc. |
| 1205 | */ |
| 1206 | public long totalMem; |
| 1207 | |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 1208 | /** |
| 1209 | * The threshold of {@link #availMem} at which we consider memory to be |
| 1210 | * low and start killing background services and other non-extraneous |
| 1211 | * processes. |
| 1212 | */ |
| 1213 | public long threshold; |
| 1214 | |
| 1215 | /** |
| 1216 | * Set to true if the system considers itself to currently be in a low |
| 1217 | * memory situation. |
| 1218 | */ |
| 1219 | public boolean lowMemory; |
| 1220 | |
Dianne Hackborn | 7d60842 | 2011-08-07 16:24:18 -0700 | [diff] [blame] | 1221 | /** @hide */ |
| 1222 | public long hiddenAppThreshold; |
| 1223 | /** @hide */ |
| 1224 | public long secondaryServerThreshold; |
| 1225 | /** @hide */ |
| 1226 | public long visibleAppThreshold; |
| 1227 | /** @hide */ |
| 1228 | public long foregroundAppThreshold; |
| 1229 | |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 1230 | public MemoryInfo() { |
| 1231 | } |
| 1232 | |
| 1233 | public int describeContents() { |
| 1234 | return 0; |
| 1235 | } |
| 1236 | |
| 1237 | public void writeToParcel(Parcel dest, int flags) { |
| 1238 | dest.writeLong(availMem); |
Dianne Hackborn | 59325eb | 2012-05-09 18:45:20 -0700 | [diff] [blame] | 1239 | dest.writeLong(totalMem); |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 1240 | dest.writeLong(threshold); |
| 1241 | dest.writeInt(lowMemory ? 1 : 0); |
Dianne Hackborn | 7d60842 | 2011-08-07 16:24:18 -0700 | [diff] [blame] | 1242 | dest.writeLong(hiddenAppThreshold); |
| 1243 | dest.writeLong(secondaryServerThreshold); |
| 1244 | dest.writeLong(visibleAppThreshold); |
| 1245 | dest.writeLong(foregroundAppThreshold); |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 1246 | } |
| 1247 | |
| 1248 | public void readFromParcel(Parcel source) { |
| 1249 | availMem = source.readLong(); |
Dianne Hackborn | 59325eb | 2012-05-09 18:45:20 -0700 | [diff] [blame] | 1250 | totalMem = source.readLong(); |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 1251 | threshold = source.readLong(); |
| 1252 | lowMemory = source.readInt() != 0; |
Dianne Hackborn | 7d60842 | 2011-08-07 16:24:18 -0700 | [diff] [blame] | 1253 | hiddenAppThreshold = source.readLong(); |
| 1254 | secondaryServerThreshold = source.readLong(); |
| 1255 | visibleAppThreshold = source.readLong(); |
| 1256 | foregroundAppThreshold = source.readLong(); |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 1257 | } |
| 1258 | |
| 1259 | public static final Creator<MemoryInfo> CREATOR |
| 1260 | = new Creator<MemoryInfo>() { |
| 1261 | public MemoryInfo createFromParcel(Parcel source) { |
| 1262 | return new MemoryInfo(source); |
| 1263 | } |
| 1264 | public MemoryInfo[] newArray(int size) { |
| 1265 | return new MemoryInfo[size]; |
| 1266 | } |
| 1267 | }; |
| 1268 | |
| 1269 | private MemoryInfo(Parcel source) { |
| 1270 | readFromParcel(source); |
| 1271 | } |
| 1272 | } |
| 1273 | |
Dianne Hackborn | c5bf758 | 2012-04-25 19:12:07 -0700 | [diff] [blame] | 1274 | /** |
| 1275 | * Return general information about the memory state of the system. This |
| 1276 | * can be used to help decide how to manage your own memory, though note |
| 1277 | * that polling is not recommended and |
| 1278 | * {@link android.content.ComponentCallbacks2#onTrimMemory(int) |
| 1279 | * ComponentCallbacks2.onTrimMemory(int)} is the preferred way to do this. |
| 1280 | * Also see {@link #getMyMemoryState} for how to retrieve the current trim |
| 1281 | * level of your process as needed, which gives a better hint for how to |
| 1282 | * manage its memory. |
| 1283 | */ |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 1284 | public void getMemoryInfo(MemoryInfo outInfo) { |
| 1285 | try { |
| 1286 | ActivityManagerNative.getDefault().getMemoryInfo(outInfo); |
| 1287 | } catch (RemoteException e) { |
| 1288 | } |
| 1289 | } |
Craig Mautner | 967212c | 2013-04-13 21:10:58 -0700 | [diff] [blame] | 1290 | |
Craig Mautner | 5ff1210 | 2013-05-24 12:50:15 -0700 | [diff] [blame] | 1291 | /** |
| 1292 | * Information you can retrieve about the WindowManager StackBox hierarchy. |
| 1293 | * @hide |
| 1294 | */ |
| 1295 | public static class StackBoxInfo implements Parcelable { |
| 1296 | public int stackBoxId; |
| 1297 | public float weight; |
| 1298 | public boolean vertical; |
| 1299 | public Rect bounds; |
| 1300 | public StackBoxInfo[] children; |
| 1301 | public int stackId; |
| 1302 | public StackInfo stack; |
| 1303 | |
| 1304 | @Override |
| 1305 | public int describeContents() { |
| 1306 | return 0; |
| 1307 | } |
| 1308 | |
| 1309 | @Override |
| 1310 | public void writeToParcel(Parcel dest, int flags) { |
| 1311 | dest.writeInt(stackBoxId); |
| 1312 | dest.writeFloat(weight); |
| 1313 | dest.writeInt(vertical ? 1 : 0); |
| 1314 | bounds.writeToParcel(dest, flags); |
| 1315 | dest.writeInt(stackId); |
| 1316 | if (children != null) { |
| 1317 | children[0].writeToParcel(dest, flags); |
| 1318 | children[1].writeToParcel(dest, flags); |
| 1319 | } else { |
| 1320 | stack.writeToParcel(dest, flags); |
| 1321 | } |
| 1322 | } |
| 1323 | |
| 1324 | public void readFromParcel(Parcel source) { |
| 1325 | stackBoxId = source.readInt(); |
| 1326 | weight = source.readFloat(); |
| 1327 | vertical = source.readInt() == 1; |
| 1328 | bounds = Rect.CREATOR.createFromParcel(source); |
| 1329 | stackId = source.readInt(); |
| 1330 | if (stackId == -1) { |
| 1331 | children = new StackBoxInfo[2]; |
| 1332 | children[0] = StackBoxInfo.CREATOR.createFromParcel(source); |
| 1333 | children[1] = StackBoxInfo.CREATOR.createFromParcel(source); |
| 1334 | } else { |
| 1335 | stack = StackInfo.CREATOR.createFromParcel(source); |
| 1336 | } |
| 1337 | } |
| 1338 | |
| 1339 | public static final Creator<StackBoxInfo> CREATOR = |
| 1340 | new Creator<ActivityManager.StackBoxInfo>() { |
| 1341 | |
| 1342 | @Override |
| 1343 | public StackBoxInfo createFromParcel(Parcel source) { |
| 1344 | return new StackBoxInfo(source); |
| 1345 | } |
| 1346 | |
| 1347 | @Override |
| 1348 | public StackBoxInfo[] newArray(int size) { |
| 1349 | return new StackBoxInfo[size]; |
| 1350 | } |
| 1351 | }; |
| 1352 | |
| 1353 | public StackBoxInfo() { |
| 1354 | } |
| 1355 | |
| 1356 | public StackBoxInfo(Parcel source) { |
| 1357 | readFromParcel(source); |
| 1358 | } |
| 1359 | |
| 1360 | public String toString(String prefix) { |
| 1361 | StringBuilder sb = new StringBuilder(256); |
| 1362 | sb.append(prefix); sb.append("Box id=" + stackBoxId); sb.append(" weight=" + weight); |
| 1363 | sb.append(" vertical=" + vertical); sb.append(" bounds=" + bounds.toShortString()); |
| 1364 | sb.append("\n"); |
| 1365 | if (children != null) { |
| 1366 | sb.append(prefix); sb.append("First child=\n"); |
| 1367 | sb.append(children[0].toString(prefix + " ")); |
| 1368 | sb.append(prefix); sb.append("Second child=\n"); |
| 1369 | sb.append(children[1].toString(prefix + " ")); |
| 1370 | } else { |
| 1371 | sb.append(prefix); sb.append("Stack=\n"); |
| 1372 | sb.append(stack.toString(prefix + " ")); |
| 1373 | } |
| 1374 | return sb.toString(); |
| 1375 | } |
| 1376 | |
| 1377 | @Override |
| 1378 | public String toString() { |
| 1379 | return toString(""); |
| 1380 | } |
| 1381 | } |
Craig Mautner | 967212c | 2013-04-13 21:10:58 -0700 | [diff] [blame] | 1382 | |
| 1383 | /** |
| 1384 | * Information you can retrieve about an ActivityStack in the system. |
| 1385 | * @hide |
| 1386 | */ |
| 1387 | public static class StackInfo implements Parcelable { |
| 1388 | public int stackId; |
| 1389 | public Rect bounds; |
| 1390 | public int[] taskIds; |
| 1391 | public String[] taskNames; |
| 1392 | |
Craig Mautner | 967212c | 2013-04-13 21:10:58 -0700 | [diff] [blame] | 1393 | @Override |
| 1394 | public int describeContents() { |
| 1395 | return 0; |
| 1396 | } |
| 1397 | |
| 1398 | @Override |
| 1399 | public void writeToParcel(Parcel dest, int flags) { |
| 1400 | dest.writeInt(stackId); |
| 1401 | dest.writeInt(bounds.left); |
| 1402 | dest.writeInt(bounds.top); |
| 1403 | dest.writeInt(bounds.right); |
| 1404 | dest.writeInt(bounds.bottom); |
| 1405 | dest.writeIntArray(taskIds); |
| 1406 | dest.writeStringArray(taskNames); |
| 1407 | } |
| 1408 | |
| 1409 | public void readFromParcel(Parcel source) { |
| 1410 | stackId = source.readInt(); |
| 1411 | bounds = new Rect( |
| 1412 | source.readInt(), source.readInt(), source.readInt(), source.readInt()); |
| 1413 | taskIds = source.createIntArray(); |
| 1414 | taskNames = source.createStringArray(); |
| 1415 | } |
| 1416 | |
| 1417 | public static final Creator<StackInfo> CREATOR = new Creator<StackInfo>() { |
| 1418 | @Override |
| 1419 | public StackInfo createFromParcel(Parcel source) { |
| 1420 | return new StackInfo(source); |
| 1421 | } |
| 1422 | @Override |
| 1423 | public StackInfo[] newArray(int size) { |
| 1424 | return new StackInfo[size]; |
| 1425 | } |
| 1426 | }; |
| 1427 | |
Craig Mautner | 5ff1210 | 2013-05-24 12:50:15 -0700 | [diff] [blame] | 1428 | public StackInfo() { |
| 1429 | } |
| 1430 | |
Craig Mautner | 967212c | 2013-04-13 21:10:58 -0700 | [diff] [blame] | 1431 | private StackInfo(Parcel source) { |
| 1432 | readFromParcel(source); |
| 1433 | } |
| 1434 | |
Craig Mautner | 5ff1210 | 2013-05-24 12:50:15 -0700 | [diff] [blame] | 1435 | public String toString(String prefix) { |
Craig Mautner | 967212c | 2013-04-13 21:10:58 -0700 | [diff] [blame] | 1436 | StringBuilder sb = new StringBuilder(256); |
Craig Mautner | 5ff1210 | 2013-05-24 12:50:15 -0700 | [diff] [blame] | 1437 | sb.append(prefix); sb.append("Stack id="); sb.append(stackId); |
Craig Mautner | 967212c | 2013-04-13 21:10:58 -0700 | [diff] [blame] | 1438 | sb.append(" bounds="); sb.append(bounds.toShortString()); sb.append("\n"); |
Craig Mautner | 5ff1210 | 2013-05-24 12:50:15 -0700 | [diff] [blame] | 1439 | prefix = prefix + " "; |
Craig Mautner | 967212c | 2013-04-13 21:10:58 -0700 | [diff] [blame] | 1440 | for (int i = 0; i < taskIds.length; ++i) { |
| 1441 | sb.append(prefix); sb.append("taskId="); sb.append(taskIds[i]); |
| 1442 | sb.append(": "); sb.append(taskNames[i]); sb.append("\n"); |
| 1443 | } |
| 1444 | return sb.toString(); |
| 1445 | } |
Craig Mautner | 5ff1210 | 2013-05-24 12:50:15 -0700 | [diff] [blame] | 1446 | |
| 1447 | @Override |
| 1448 | public String toString() { |
| 1449 | return toString(""); |
| 1450 | } |
Craig Mautner | 967212c | 2013-04-13 21:10:58 -0700 | [diff] [blame] | 1451 | } |
| 1452 | |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 1453 | /** |
| 1454 | * @hide |
| 1455 | */ |
| 1456 | public boolean clearApplicationUserData(String packageName, IPackageDataObserver observer) { |
| 1457 | try { |
| 1458 | return ActivityManagerNative.getDefault().clearApplicationUserData(packageName, |
Dianne Hackborn | 4120375 | 2012-08-31 14:05:51 -0700 | [diff] [blame] | 1459 | observer, UserHandle.myUserId()); |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 1460 | } catch (RemoteException e) { |
| 1461 | return false; |
| 1462 | } |
| 1463 | } |
Christopher Tate | a366424 | 2013-06-26 15:00:18 -0700 | [diff] [blame] | 1464 | |
| 1465 | /** |
| 1466 | * Permits an application to erase its own data from disk. This is equivalent to |
Dianne Hackborn | ebc15ef | 2013-10-09 17:36:57 -0700 | [diff] [blame] | 1467 | * the user choosing to clear the app's data from within the device settings UI. It |
| 1468 | * erases all dynamic data associated with the app -- its private data and data in its |
| 1469 | * private area on external storage -- but does not remove the installed application |
| 1470 | * itself, nor any OBB files. |
Christopher Tate | a366424 | 2013-06-26 15:00:18 -0700 | [diff] [blame] | 1471 | * |
| 1472 | * @return {@code true} if the application successfully requested that the application's |
| 1473 | * data be erased; {@code false} otherwise. |
| 1474 | */ |
| 1475 | public boolean clearApplicationUserData() { |
| 1476 | return clearApplicationUserData(mContext.getPackageName(), null); |
| 1477 | } |
| 1478 | |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 1479 | /** |
| 1480 | * Information you can retrieve about any processes that are in an error condition. |
| 1481 | */ |
| 1482 | public static class ProcessErrorStateInfo implements Parcelable { |
| 1483 | /** |
| 1484 | * Condition codes |
| 1485 | */ |
| 1486 | public static final int NO_ERROR = 0; |
| 1487 | public static final int CRASHED = 1; |
| 1488 | public static final int NOT_RESPONDING = 2; |
| 1489 | |
| 1490 | /** |
| 1491 | * The condition that the process is in. |
| 1492 | */ |
| 1493 | public int condition; |
| 1494 | |
| 1495 | /** |
| 1496 | * The process name in which the crash or error occurred. |
| 1497 | */ |
| 1498 | public String processName; |
| 1499 | |
| 1500 | /** |
| 1501 | * The pid of this process; 0 if none |
| 1502 | */ |
| 1503 | public int pid; |
| 1504 | |
| 1505 | /** |
| 1506 | * The kernel user-ID that has been assigned to this process; |
| 1507 | * currently this is not a unique ID (multiple applications can have |
| 1508 | * the same uid). |
| 1509 | */ |
| 1510 | public int uid; |
| 1511 | |
| 1512 | /** |
Dan Egnor | 60d8762 | 2009-12-16 16:32:58 -0800 | [diff] [blame] | 1513 | * The activity name associated with the error, if known. May be null. |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 1514 | */ |
| 1515 | public String tag; |
| 1516 | |
| 1517 | /** |
| 1518 | * A short message describing the error condition. |
| 1519 | */ |
| 1520 | public String shortMsg; |
| 1521 | |
| 1522 | /** |
| 1523 | * A long message describing the error condition. |
| 1524 | */ |
| 1525 | public String longMsg; |
| 1526 | |
| 1527 | /** |
Dan Egnor | b7f0367 | 2009-12-09 16:22:32 -0800 | [diff] [blame] | 1528 | * The stack trace where the error originated. May be null. |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 1529 | */ |
Dan Egnor | b7f0367 | 2009-12-09 16:22:32 -0800 | [diff] [blame] | 1530 | public String stackTrace; |
| 1531 | |
| 1532 | /** |
| 1533 | * to be deprecated: This value will always be null. |
| 1534 | */ |
| 1535 | public byte[] crashData = null; |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 1536 | |
| 1537 | public ProcessErrorStateInfo() { |
| 1538 | } |
| 1539 | |
Craig Mautner | 5ff1210 | 2013-05-24 12:50:15 -0700 | [diff] [blame] | 1540 | @Override |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 1541 | public int describeContents() { |
| 1542 | return 0; |
| 1543 | } |
| 1544 | |
Craig Mautner | 5ff1210 | 2013-05-24 12:50:15 -0700 | [diff] [blame] | 1545 | @Override |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 1546 | public void writeToParcel(Parcel dest, int flags) { |
| 1547 | dest.writeInt(condition); |
| 1548 | dest.writeString(processName); |
| 1549 | dest.writeInt(pid); |
| 1550 | dest.writeInt(uid); |
| 1551 | dest.writeString(tag); |
| 1552 | dest.writeString(shortMsg); |
| 1553 | dest.writeString(longMsg); |
Dan Egnor | b7f0367 | 2009-12-09 16:22:32 -0800 | [diff] [blame] | 1554 | dest.writeString(stackTrace); |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 1555 | } |
Craig Mautner | 5ff1210 | 2013-05-24 12:50:15 -0700 | [diff] [blame] | 1556 | |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 1557 | public void readFromParcel(Parcel source) { |
| 1558 | condition = source.readInt(); |
| 1559 | processName = source.readString(); |
| 1560 | pid = source.readInt(); |
| 1561 | uid = source.readInt(); |
| 1562 | tag = source.readString(); |
| 1563 | shortMsg = source.readString(); |
| 1564 | longMsg = source.readString(); |
Dan Egnor | b7f0367 | 2009-12-09 16:22:32 -0800 | [diff] [blame] | 1565 | stackTrace = source.readString(); |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 1566 | } |
| 1567 | |
| 1568 | public static final Creator<ProcessErrorStateInfo> CREATOR = |
| 1569 | new Creator<ProcessErrorStateInfo>() { |
| 1570 | public ProcessErrorStateInfo createFromParcel(Parcel source) { |
| 1571 | return new ProcessErrorStateInfo(source); |
| 1572 | } |
| 1573 | public ProcessErrorStateInfo[] newArray(int size) { |
| 1574 | return new ProcessErrorStateInfo[size]; |
| 1575 | } |
| 1576 | }; |
| 1577 | |
| 1578 | private ProcessErrorStateInfo(Parcel source) { |
| 1579 | readFromParcel(source); |
| 1580 | } |
| 1581 | } |
| 1582 | |
| 1583 | /** |
| 1584 | * Returns a list of any processes that are currently in an error condition. The result |
| 1585 | * will be null if all processes are running properly at this time. |
| 1586 | * |
| 1587 | * @return Returns a list of ProcessErrorStateInfo records, or null if there are no |
| 1588 | * current error conditions (it will not return an empty list). This list ordering is not |
| 1589 | * specified. |
| 1590 | */ |
| 1591 | public List<ProcessErrorStateInfo> getProcessesInErrorState() { |
| 1592 | try { |
| 1593 | return ActivityManagerNative.getDefault().getProcessesInErrorState(); |
| 1594 | } catch (RemoteException e) { |
| 1595 | return null; |
| 1596 | } |
| 1597 | } |
| 1598 | |
| 1599 | /** |
| 1600 | * Information you can retrieve about a running process. |
| 1601 | */ |
| 1602 | public static class RunningAppProcessInfo implements Parcelable { |
| 1603 | /** |
| 1604 | * The name of the process that this object is associated with |
| 1605 | */ |
| 1606 | public String processName; |
| 1607 | |
| 1608 | /** |
| 1609 | * The pid of this process; 0 if none |
| 1610 | */ |
| 1611 | public int pid; |
| 1612 | |
Dianne Hackborn | eb03465 | 2009-09-07 00:49:58 -0700 | [diff] [blame] | 1613 | /** |
| 1614 | * The user id of this process. |
| 1615 | */ |
| 1616 | public int uid; |
| 1617 | |
Dianne Hackborn | baf42c6 | 2010-06-24 11:23:39 -0700 | [diff] [blame] | 1618 | /** |
| 1619 | * All packages that have been loaded into the process. |
| 1620 | */ |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 1621 | public String pkgList[]; |
| 1622 | |
| 1623 | /** |
Dianne Hackborn | 482566e | 2010-09-03 12:51:28 -0700 | [diff] [blame] | 1624 | * Constant for {@link #flags}: this is an app that is unable to |
| 1625 | * correctly save its state when going to the background, |
| 1626 | * so it can not be killed while in the background. |
| 1627 | * @hide |
Dianne Hackborn | baf42c6 | 2010-06-24 11:23:39 -0700 | [diff] [blame] | 1628 | */ |
Dianne Hackborn | 482566e | 2010-09-03 12:51:28 -0700 | [diff] [blame] | 1629 | public static final int FLAG_CANT_SAVE_STATE = 1<<0; |
Dianne Hackborn | baf42c6 | 2010-06-24 11:23:39 -0700 | [diff] [blame] | 1630 | |
| 1631 | /** |
Dianne Hackborn | 4249917 | 2010-10-15 18:45:07 -0700 | [diff] [blame] | 1632 | * Constant for {@link #flags}: this process is associated with a |
| 1633 | * persistent system app. |
| 1634 | * @hide |
| 1635 | */ |
| 1636 | public static final int FLAG_PERSISTENT = 1<<1; |
| 1637 | |
| 1638 | /** |
Dianne Hackborn | 0c38049 | 2012-08-20 17:23:30 -0700 | [diff] [blame] | 1639 | * Constant for {@link #flags}: this process is associated with a |
| 1640 | * persistent system app. |
| 1641 | * @hide |
| 1642 | */ |
| 1643 | public static final int FLAG_HAS_ACTIVITIES = 1<<2; |
| 1644 | |
| 1645 | /** |
Dianne Hackborn | baf42c6 | 2010-06-24 11:23:39 -0700 | [diff] [blame] | 1646 | * Flags of information. May be any of |
Dianne Hackborn | 482566e | 2010-09-03 12:51:28 -0700 | [diff] [blame] | 1647 | * {@link #FLAG_CANT_SAVE_STATE}. |
| 1648 | * @hide |
Dianne Hackborn | baf42c6 | 2010-06-24 11:23:39 -0700 | [diff] [blame] | 1649 | */ |
| 1650 | public int flags; |
Dianne Hackborn | 27ff913 | 2012-03-06 14:57:58 -0800 | [diff] [blame] | 1651 | |
| 1652 | /** |
| 1653 | * Last memory trim level reported to the process: corresponds to |
| 1654 | * the values supplied to {@link android.content.ComponentCallbacks2#onTrimMemory(int) |
| 1655 | * ComponentCallbacks2.onTrimMemory(int)}. |
| 1656 | */ |
| 1657 | public int lastTrimLevel; |
| 1658 | |
Dianne Hackborn | baf42c6 | 2010-06-24 11:23:39 -0700 | [diff] [blame] | 1659 | /** |
Dianne Hackborn | a93c2c1 | 2012-05-31 15:29:36 -0700 | [diff] [blame] | 1660 | * Constant for {@link #importance}: this is a persistent process. |
| 1661 | * Only used when reporting to process observers. |
| 1662 | * @hide |
| 1663 | */ |
| 1664 | public static final int IMPORTANCE_PERSISTENT = 50; |
| 1665 | |
| 1666 | /** |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 1667 | * Constant for {@link #importance}: this process is running the |
| 1668 | * foreground UI. |
| 1669 | */ |
| 1670 | public static final int IMPORTANCE_FOREGROUND = 100; |
| 1671 | |
| 1672 | /** |
Dianne Hackborn | 32907cf | 2010-06-10 17:50:20 -0700 | [diff] [blame] | 1673 | * Constant for {@link #importance}: this process is running something |
| 1674 | * that is actively visible to the user, though not in the immediate |
| 1675 | * foreground. |
Dianne Hackborn | 860755f | 2010-06-03 18:47:52 -0700 | [diff] [blame] | 1676 | */ |
Dianne Hackborn | 32907cf | 2010-06-10 17:50:20 -0700 | [diff] [blame] | 1677 | public static final int IMPORTANCE_VISIBLE = 200; |
Dianne Hackborn | 860755f | 2010-06-03 18:47:52 -0700 | [diff] [blame] | 1678 | |
| 1679 | /** |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 1680 | * Constant for {@link #importance}: this process is running something |
Dianne Hackborn | 32907cf | 2010-06-10 17:50:20 -0700 | [diff] [blame] | 1681 | * that is considered to be actively perceptible to the user. An |
| 1682 | * example would be an application performing background music playback. |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 1683 | */ |
Dianne Hackborn | 32907cf | 2010-06-10 17:50:20 -0700 | [diff] [blame] | 1684 | public static final int IMPORTANCE_PERCEPTIBLE = 130; |
| 1685 | |
| 1686 | /** |
Dianne Hackborn | 5383f50 | 2010-10-22 12:59:20 -0700 | [diff] [blame] | 1687 | * Constant for {@link #importance}: this process is running an |
| 1688 | * application that can not save its state, and thus can't be killed |
| 1689 | * while in the background. |
| 1690 | * @hide |
Dianne Hackborn | 32907cf | 2010-06-10 17:50:20 -0700 | [diff] [blame] | 1691 | */ |
Dianne Hackborn | 5383f50 | 2010-10-22 12:59:20 -0700 | [diff] [blame] | 1692 | public static final int IMPORTANCE_CANT_SAVE_STATE = 170; |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 1693 | |
| 1694 | /** |
| 1695 | * Constant for {@link #importance}: this process is contains services |
| 1696 | * that should remain running. |
| 1697 | */ |
| 1698 | public static final int IMPORTANCE_SERVICE = 300; |
| 1699 | |
| 1700 | /** |
| 1701 | * Constant for {@link #importance}: this process process contains |
| 1702 | * background code that is expendable. |
| 1703 | */ |
| 1704 | public static final int IMPORTANCE_BACKGROUND = 400; |
| 1705 | |
| 1706 | /** |
| 1707 | * Constant for {@link #importance}: this process is empty of any |
| 1708 | * actively running code. |
| 1709 | */ |
| 1710 | public static final int IMPORTANCE_EMPTY = 500; |
| 1711 | |
| 1712 | /** |
| 1713 | * The relative importance level that the system places on this |
| 1714 | * process. May be one of {@link #IMPORTANCE_FOREGROUND}, |
| 1715 | * {@link #IMPORTANCE_VISIBLE}, {@link #IMPORTANCE_SERVICE}, |
| 1716 | * {@link #IMPORTANCE_BACKGROUND}, or {@link #IMPORTANCE_EMPTY}. These |
| 1717 | * constants are numbered so that "more important" values are always |
| 1718 | * smaller than "less important" values. |
| 1719 | */ |
| 1720 | public int importance; |
| 1721 | |
| 1722 | /** |
| 1723 | * An additional ordering within a particular {@link #importance} |
| 1724 | * category, providing finer-grained information about the relative |
| 1725 | * utility of processes within a category. This number means nothing |
| 1726 | * except that a smaller values are more recently used (and thus |
| 1727 | * more important). Currently an LRU value is only maintained for |
| 1728 | * the {@link #IMPORTANCE_BACKGROUND} category, though others may |
| 1729 | * be maintained in the future. |
| 1730 | */ |
| 1731 | public int lru; |
Dianne Hackborn | 27ff913 | 2012-03-06 14:57:58 -0800 | [diff] [blame] | 1732 | |
Dianne Hackborn | dd9b82c | 2009-09-03 00:18:47 -0700 | [diff] [blame] | 1733 | /** |
| 1734 | * Constant for {@link #importanceReasonCode}: nothing special has |
| 1735 | * been specified for the reason for this level. |
| 1736 | */ |
| 1737 | public static final int REASON_UNKNOWN = 0; |
| 1738 | |
| 1739 | /** |
| 1740 | * Constant for {@link #importanceReasonCode}: one of the application's |
| 1741 | * content providers is being used by another process. The pid of |
| 1742 | * the client process is in {@link #importanceReasonPid} and the |
| 1743 | * target provider in this process is in |
| 1744 | * {@link #importanceReasonComponent}. |
| 1745 | */ |
| 1746 | public static final int REASON_PROVIDER_IN_USE = 1; |
| 1747 | |
| 1748 | /** |
| 1749 | * Constant for {@link #importanceReasonCode}: one of the application's |
| 1750 | * content providers is being used by another process. The pid of |
| 1751 | * the client process is in {@link #importanceReasonPid} and the |
| 1752 | * target provider in this process is in |
| 1753 | * {@link #importanceReasonComponent}. |
| 1754 | */ |
| 1755 | public static final int REASON_SERVICE_IN_USE = 2; |
| 1756 | |
| 1757 | /** |
| 1758 | * The reason for {@link #importance}, if any. |
| 1759 | */ |
| 1760 | public int importanceReasonCode; |
| 1761 | |
| 1762 | /** |
| 1763 | * For the specified values of {@link #importanceReasonCode}, this |
| 1764 | * is the process ID of the other process that is a client of this |
| 1765 | * process. This will be 0 if no other process is using this one. |
| 1766 | */ |
| 1767 | public int importanceReasonPid; |
| 1768 | |
| 1769 | /** |
| 1770 | * For the specified values of {@link #importanceReasonCode}, this |
| 1771 | * is the name of the component that is being used in this process. |
| 1772 | */ |
| 1773 | public ComponentName importanceReasonComponent; |
| 1774 | |
Dianne Hackborn | 905577f | 2011-09-07 18:31:28 -0700 | [diff] [blame] | 1775 | /** |
Dianne Hackborn | cbfd23e | 2013-06-11 14:26:53 -0700 | [diff] [blame] | 1776 | * When {@link #importanceReasonPid} is non-0, this is the importance |
Dianne Hackborn | 905577f | 2011-09-07 18:31:28 -0700 | [diff] [blame] | 1777 | * of the other pid. @hide |
| 1778 | */ |
| 1779 | public int importanceReasonImportance; |
| 1780 | |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 1781 | public RunningAppProcessInfo() { |
| 1782 | importance = IMPORTANCE_FOREGROUND; |
Dianne Hackborn | dd9b82c | 2009-09-03 00:18:47 -0700 | [diff] [blame] | 1783 | importanceReasonCode = REASON_UNKNOWN; |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 1784 | } |
| 1785 | |
| 1786 | public RunningAppProcessInfo(String pProcessName, int pPid, String pArr[]) { |
| 1787 | processName = pProcessName; |
| 1788 | pid = pPid; |
| 1789 | pkgList = pArr; |
| 1790 | } |
| 1791 | |
| 1792 | public int describeContents() { |
| 1793 | return 0; |
| 1794 | } |
| 1795 | |
| 1796 | public void writeToParcel(Parcel dest, int flags) { |
| 1797 | dest.writeString(processName); |
| 1798 | dest.writeInt(pid); |
Dianne Hackborn | eb03465 | 2009-09-07 00:49:58 -0700 | [diff] [blame] | 1799 | dest.writeInt(uid); |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 1800 | dest.writeStringArray(pkgList); |
Dianne Hackborn | baf42c6 | 2010-06-24 11:23:39 -0700 | [diff] [blame] | 1801 | dest.writeInt(this.flags); |
Dianne Hackborn | 27ff913 | 2012-03-06 14:57:58 -0800 | [diff] [blame] | 1802 | dest.writeInt(lastTrimLevel); |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 1803 | dest.writeInt(importance); |
| 1804 | dest.writeInt(lru); |
Dianne Hackborn | dd9b82c | 2009-09-03 00:18:47 -0700 | [diff] [blame] | 1805 | dest.writeInt(importanceReasonCode); |
| 1806 | dest.writeInt(importanceReasonPid); |
| 1807 | ComponentName.writeToParcel(importanceReasonComponent, dest); |
Dianne Hackborn | 905577f | 2011-09-07 18:31:28 -0700 | [diff] [blame] | 1808 | dest.writeInt(importanceReasonImportance); |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 1809 | } |
| 1810 | |
| 1811 | public void readFromParcel(Parcel source) { |
| 1812 | processName = source.readString(); |
| 1813 | pid = source.readInt(); |
Dianne Hackborn | eb03465 | 2009-09-07 00:49:58 -0700 | [diff] [blame] | 1814 | uid = source.readInt(); |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 1815 | pkgList = source.readStringArray(); |
Dianne Hackborn | baf42c6 | 2010-06-24 11:23:39 -0700 | [diff] [blame] | 1816 | flags = source.readInt(); |
Dianne Hackborn | 27ff913 | 2012-03-06 14:57:58 -0800 | [diff] [blame] | 1817 | lastTrimLevel = source.readInt(); |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 1818 | importance = source.readInt(); |
| 1819 | lru = source.readInt(); |
Dianne Hackborn | dd9b82c | 2009-09-03 00:18:47 -0700 | [diff] [blame] | 1820 | importanceReasonCode = source.readInt(); |
| 1821 | importanceReasonPid = source.readInt(); |
| 1822 | importanceReasonComponent = ComponentName.readFromParcel(source); |
Dianne Hackborn | 905577f | 2011-09-07 18:31:28 -0700 | [diff] [blame] | 1823 | importanceReasonImportance = source.readInt(); |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 1824 | } |
| 1825 | |
| 1826 | public static final Creator<RunningAppProcessInfo> CREATOR = |
| 1827 | new Creator<RunningAppProcessInfo>() { |
| 1828 | public RunningAppProcessInfo createFromParcel(Parcel source) { |
| 1829 | return new RunningAppProcessInfo(source); |
| 1830 | } |
| 1831 | public RunningAppProcessInfo[] newArray(int size) { |
| 1832 | return new RunningAppProcessInfo[size]; |
| 1833 | } |
| 1834 | }; |
| 1835 | |
| 1836 | private RunningAppProcessInfo(Parcel source) { |
| 1837 | readFromParcel(source); |
| 1838 | } |
| 1839 | } |
| 1840 | |
| 1841 | /** |
Suchi Amalapurapu | f7f5dda | 2010-03-23 10:34:28 -0700 | [diff] [blame] | 1842 | * Returns a list of application processes installed on external media |
| 1843 | * that are running on the device. |
| 1844 | * |
Dianne Hackborn | c5bf758 | 2012-04-25 19:12:07 -0700 | [diff] [blame] | 1845 | * <p><b>Note: this method is only intended for debugging or building |
| 1846 | * a user-facing process management UI.</b></p> |
| 1847 | * |
Suchi Amalapurapu | f7f5dda | 2010-03-23 10:34:28 -0700 | [diff] [blame] | 1848 | * @return Returns a list of ApplicationInfo records, or null if none |
| 1849 | * This list ordering is not specified. |
| 1850 | * @hide |
| 1851 | */ |
| 1852 | public List<ApplicationInfo> getRunningExternalApplications() { |
| 1853 | try { |
| 1854 | return ActivityManagerNative.getDefault().getRunningExternalApplications(); |
| 1855 | } catch (RemoteException e) { |
| 1856 | return null; |
| 1857 | } |
| 1858 | } |
| 1859 | |
| 1860 | /** |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 1861 | * Returns a list of application processes that are running on the device. |
Dianne Hackborn | c5bf758 | 2012-04-25 19:12:07 -0700 | [diff] [blame] | 1862 | * |
| 1863 | * <p><b>Note: this method is only intended for debugging or building |
| 1864 | * a user-facing process management UI.</b></p> |
| 1865 | * |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 1866 | * @return Returns a list of RunningAppProcessInfo records, or null if there are no |
| 1867 | * running processes (it will not return an empty list). This list ordering is not |
| 1868 | * specified. |
| 1869 | */ |
| 1870 | public List<RunningAppProcessInfo> getRunningAppProcesses() { |
| 1871 | try { |
| 1872 | return ActivityManagerNative.getDefault().getRunningAppProcesses(); |
| 1873 | } catch (RemoteException e) { |
| 1874 | return null; |
| 1875 | } |
| 1876 | } |
Dianne Hackborn | 27ff913 | 2012-03-06 14:57:58 -0800 | [diff] [blame] | 1877 | |
| 1878 | /** |
| 1879 | * Return global memory state information for the calling process. This |
| 1880 | * does not fill in all fields of the {@link RunningAppProcessInfo}. The |
| 1881 | * only fields that will be filled in are |
| 1882 | * {@link RunningAppProcessInfo#pid}, |
| 1883 | * {@link RunningAppProcessInfo#uid}, |
| 1884 | * {@link RunningAppProcessInfo#lastTrimLevel}, |
| 1885 | * {@link RunningAppProcessInfo#importance}, |
| 1886 | * {@link RunningAppProcessInfo#lru}, and |
| 1887 | * {@link RunningAppProcessInfo#importanceReasonCode}. |
| 1888 | */ |
| 1889 | static public void getMyMemoryState(RunningAppProcessInfo outState) { |
| 1890 | try { |
| 1891 | ActivityManagerNative.getDefault().getMyMemoryState(outState); |
| 1892 | } catch (RemoteException e) { |
| 1893 | } |
| 1894 | } |
| 1895 | |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 1896 | /** |
Dianne Hackborn | 4f21c4c | 2009-09-17 10:24:05 -0700 | [diff] [blame] | 1897 | * Return information about the memory usage of one or more processes. |
Dianne Hackborn | c5bf758 | 2012-04-25 19:12:07 -0700 | [diff] [blame] | 1898 | * |
| 1899 | * <p><b>Note: this method is only intended for debugging or building |
| 1900 | * a user-facing process management UI.</b></p> |
| 1901 | * |
Dianne Hackborn | 4f21c4c | 2009-09-17 10:24:05 -0700 | [diff] [blame] | 1902 | * @param pids The pids of the processes whose memory usage is to be |
| 1903 | * retrieved. |
| 1904 | * @return Returns an array of memory information, one for each |
| 1905 | * requested pid. |
| 1906 | */ |
| 1907 | public Debug.MemoryInfo[] getProcessMemoryInfo(int[] pids) { |
| 1908 | try { |
| 1909 | return ActivityManagerNative.getDefault().getProcessMemoryInfo(pids); |
| 1910 | } catch (RemoteException e) { |
| 1911 | return null; |
| 1912 | } |
| 1913 | } |
| 1914 | |
| 1915 | /** |
Dianne Hackborn | 03abb81 | 2010-01-04 18:43:19 -0800 | [diff] [blame] | 1916 | * @deprecated This is now just a wrapper for |
| 1917 | * {@link #killBackgroundProcesses(String)}; the previous behavior here |
| 1918 | * is no longer available to applications because it allows them to |
| 1919 | * break other applications by removing their alarms, stopping their |
| 1920 | * services, etc. |
| 1921 | */ |
| 1922 | @Deprecated |
| 1923 | public void restartPackage(String packageName) { |
| 1924 | killBackgroundProcesses(packageName); |
| 1925 | } |
| 1926 | |
| 1927 | /** |
| 1928 | * Have the system immediately kill all background processes associated |
| 1929 | * with the given package. This is the same as the kernel killing those |
| 1930 | * processes to reclaim memory; the system will take care of restarting |
| 1931 | * these processes in the future as needed. |
| 1932 | * |
| 1933 | * <p>You must hold the permission |
| 1934 | * {@link android.Manifest.permission#KILL_BACKGROUND_PROCESSES} to be able to |
| 1935 | * call this method. |
| 1936 | * |
| 1937 | * @param packageName The name of the package whose processes are to |
| 1938 | * be killed. |
| 1939 | */ |
| 1940 | public void killBackgroundProcesses(String packageName) { |
| 1941 | try { |
Dianne Hackborn | 1676c85 | 2012-09-10 14:52:30 -0700 | [diff] [blame] | 1942 | ActivityManagerNative.getDefault().killBackgroundProcesses(packageName, |
| 1943 | UserHandle.myUserId()); |
Dianne Hackborn | 03abb81 | 2010-01-04 18:43:19 -0800 | [diff] [blame] | 1944 | } catch (RemoteException e) { |
| 1945 | } |
| 1946 | } |
| 1947 | |
| 1948 | /** |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 1949 | * Have the system perform a force stop of everything associated with |
| 1950 | * the given application package. All processes that share its uid |
| 1951 | * will be killed, all services it has running stopped, all activities |
| 1952 | * removed, etc. In addition, a {@link Intent#ACTION_PACKAGE_RESTARTED} |
| 1953 | * broadcast will be sent, so that any of its registered alarms can |
| 1954 | * be stopped, notifications removed, etc. |
| 1955 | * |
| 1956 | * <p>You must hold the permission |
Dianne Hackborn | 03abb81 | 2010-01-04 18:43:19 -0800 | [diff] [blame] | 1957 | * {@link android.Manifest.permission#FORCE_STOP_PACKAGES} to be able to |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 1958 | * call this method. |
| 1959 | * |
| 1960 | * @param packageName The name of the package to be stopped. |
Dianne Hackborn | 03abb81 | 2010-01-04 18:43:19 -0800 | [diff] [blame] | 1961 | * |
| 1962 | * @hide This is not available to third party applications due to |
| 1963 | * it allowing them to break other applications by stopping their |
| 1964 | * services, removing their alarms, etc. |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 1965 | */ |
Dianne Hackborn | 03abb81 | 2010-01-04 18:43:19 -0800 | [diff] [blame] | 1966 | public void forceStopPackage(String packageName) { |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 1967 | try { |
Dianne Hackborn | 1676c85 | 2012-09-10 14:52:30 -0700 | [diff] [blame] | 1968 | ActivityManagerNative.getDefault().forceStopPackage(packageName, |
| 1969 | UserHandle.myUserId()); |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 1970 | } catch (RemoteException e) { |
| 1971 | } |
| 1972 | } |
| 1973 | |
| 1974 | /** |
| 1975 | * Get the device configuration attributes. |
| 1976 | */ |
| 1977 | public ConfigurationInfo getDeviceConfigurationInfo() { |
| 1978 | try { |
| 1979 | return ActivityManagerNative.getDefault().getDeviceConfigurationInfo(); |
| 1980 | } catch (RemoteException e) { |
| 1981 | } |
| 1982 | return null; |
| 1983 | } |
Kenny Root | 5ef44b7 | 2011-01-26 17:22:20 -0800 | [diff] [blame] | 1984 | |
| 1985 | /** |
| 1986 | * Get the preferred density of icons for the launcher. This is used when |
| 1987 | * custom drawables are created (e.g., for shortcuts). |
| 1988 | * |
| 1989 | * @return density in terms of DPI |
| 1990 | */ |
| 1991 | public int getLauncherLargeIconDensity() { |
| 1992 | final Resources res = mContext.getResources(); |
| 1993 | final int density = res.getDisplayMetrics().densityDpi; |
Dianne Hackborn | d96e3df | 2012-01-25 15:12:23 -0800 | [diff] [blame] | 1994 | final int sw = res.getConfiguration().smallestScreenWidthDp; |
Kenny Root | 5ef44b7 | 2011-01-26 17:22:20 -0800 | [diff] [blame] | 1995 | |
Dianne Hackborn | d96e3df | 2012-01-25 15:12:23 -0800 | [diff] [blame] | 1996 | if (sw < 600) { |
| 1997 | // Smaller than approx 7" tablets, use the regular icon size. |
Kenny Root | 5ef44b7 | 2011-01-26 17:22:20 -0800 | [diff] [blame] | 1998 | return density; |
| 1999 | } |
| 2000 | |
| 2001 | switch (density) { |
| 2002 | case DisplayMetrics.DENSITY_LOW: |
| 2003 | return DisplayMetrics.DENSITY_MEDIUM; |
| 2004 | case DisplayMetrics.DENSITY_MEDIUM: |
| 2005 | return DisplayMetrics.DENSITY_HIGH; |
Dianne Hackborn | d0356a1 | 2012-04-26 19:03:12 -0700 | [diff] [blame] | 2006 | case DisplayMetrics.DENSITY_TV: |
| 2007 | return DisplayMetrics.DENSITY_XHIGH; |
Kenny Root | 5ef44b7 | 2011-01-26 17:22:20 -0800 | [diff] [blame] | 2008 | case DisplayMetrics.DENSITY_HIGH: |
| 2009 | return DisplayMetrics.DENSITY_XHIGH; |
| 2010 | case DisplayMetrics.DENSITY_XHIGH: |
Dianne Hackborn | d96e3df | 2012-01-25 15:12:23 -0800 | [diff] [blame] | 2011 | return DisplayMetrics.DENSITY_XXHIGH; |
| 2012 | case DisplayMetrics.DENSITY_XXHIGH: |
| 2013 | return DisplayMetrics.DENSITY_XHIGH * 2; |
Kenny Root | 5ef44b7 | 2011-01-26 17:22:20 -0800 | [diff] [blame] | 2014 | default: |
Dianne Hackborn | d96e3df | 2012-01-25 15:12:23 -0800 | [diff] [blame] | 2015 | // The density is some abnormal value. Return some other |
| 2016 | // abnormal value that is a reasonable scaling of it. |
Dianne Hackborn | d0356a1 | 2012-04-26 19:03:12 -0700 | [diff] [blame] | 2017 | return (int)((density*1.5f)+.5f); |
Kenny Root | 5ef44b7 | 2011-01-26 17:22:20 -0800 | [diff] [blame] | 2018 | } |
| 2019 | } |
| 2020 | |
| 2021 | /** |
| 2022 | * Get the preferred launcher icon size. This is used when custom drawables |
| 2023 | * are created (e.g., for shortcuts). |
| 2024 | * |
| 2025 | * @return dimensions of square icons in terms of pixels |
| 2026 | */ |
| 2027 | public int getLauncherLargeIconSize() { |
| 2028 | final Resources res = mContext.getResources(); |
| 2029 | final int size = res.getDimensionPixelSize(android.R.dimen.app_icon_size); |
Dianne Hackborn | d96e3df | 2012-01-25 15:12:23 -0800 | [diff] [blame] | 2030 | final int sw = res.getConfiguration().smallestScreenWidthDp; |
Kenny Root | 5ef44b7 | 2011-01-26 17:22:20 -0800 | [diff] [blame] | 2031 | |
Dianne Hackborn | d96e3df | 2012-01-25 15:12:23 -0800 | [diff] [blame] | 2032 | if (sw < 600) { |
| 2033 | // Smaller than approx 7" tablets, use the regular icon size. |
Kenny Root | 5ef44b7 | 2011-01-26 17:22:20 -0800 | [diff] [blame] | 2034 | return size; |
| 2035 | } |
| 2036 | |
| 2037 | final int density = res.getDisplayMetrics().densityDpi; |
| 2038 | |
| 2039 | switch (density) { |
| 2040 | case DisplayMetrics.DENSITY_LOW: |
| 2041 | return (size * DisplayMetrics.DENSITY_MEDIUM) / DisplayMetrics.DENSITY_LOW; |
| 2042 | case DisplayMetrics.DENSITY_MEDIUM: |
| 2043 | return (size * DisplayMetrics.DENSITY_HIGH) / DisplayMetrics.DENSITY_MEDIUM; |
Dianne Hackborn | d0356a1 | 2012-04-26 19:03:12 -0700 | [diff] [blame] | 2044 | case DisplayMetrics.DENSITY_TV: |
| 2045 | return (size * DisplayMetrics.DENSITY_XHIGH) / DisplayMetrics.DENSITY_HIGH; |
Kenny Root | 5ef44b7 | 2011-01-26 17:22:20 -0800 | [diff] [blame] | 2046 | case DisplayMetrics.DENSITY_HIGH: |
| 2047 | return (size * DisplayMetrics.DENSITY_XHIGH) / DisplayMetrics.DENSITY_HIGH; |
| 2048 | case DisplayMetrics.DENSITY_XHIGH: |
Dianne Hackborn | d96e3df | 2012-01-25 15:12:23 -0800 | [diff] [blame] | 2049 | return (size * DisplayMetrics.DENSITY_XXHIGH) / DisplayMetrics.DENSITY_XHIGH; |
| 2050 | case DisplayMetrics.DENSITY_XXHIGH: |
| 2051 | return (size * DisplayMetrics.DENSITY_XHIGH*2) / DisplayMetrics.DENSITY_XXHIGH; |
Kenny Root | 5ef44b7 | 2011-01-26 17:22:20 -0800 | [diff] [blame] | 2052 | default: |
Dianne Hackborn | d96e3df | 2012-01-25 15:12:23 -0800 | [diff] [blame] | 2053 | // The density is some abnormal value. Return some other |
| 2054 | // abnormal value that is a reasonable scaling of it. |
Dianne Hackborn | d0356a1 | 2012-04-26 19:03:12 -0700 | [diff] [blame] | 2055 | return (int)((size*1.5f) + .5f); |
Kenny Root | 5ef44b7 | 2011-01-26 17:22:20 -0800 | [diff] [blame] | 2056 | } |
| 2057 | } |
| 2058 | |
Dianne Hackborn | 9327f4f | 2010-01-29 10:38:29 -0800 | [diff] [blame] | 2059 | /** |
| 2060 | * Returns "true" if the user interface is currently being messed with |
| 2061 | * by a monkey. |
| 2062 | */ |
| 2063 | public static boolean isUserAMonkey() { |
| 2064 | try { |
| 2065 | return ActivityManagerNative.getDefault().isUserAMonkey(); |
| 2066 | } catch (RemoteException e) { |
| 2067 | } |
| 2068 | return false; |
| 2069 | } |
Brett Chabot | 3b4fcbc | 2011-01-09 13:41:02 -0800 | [diff] [blame] | 2070 | |
| 2071 | /** |
| 2072 | * Returns "true" if device is running in a test harness. |
| 2073 | */ |
| 2074 | public static boolean isRunningInTestHarness() { |
| 2075 | return SystemProperties.getBoolean("ro.test_harness", false); |
| 2076 | } |
Peter Visontay | 8d224ca | 2011-02-18 16:39:19 +0000 | [diff] [blame] | 2077 | |
| 2078 | /** |
| 2079 | * Returns the launch count of each installed package. |
| 2080 | * |
| 2081 | * @hide |
| 2082 | */ |
| 2083 | public Map<String, Integer> getAllPackageLaunchCounts() { |
| 2084 | try { |
| 2085 | IUsageStats usageStatsService = IUsageStats.Stub.asInterface( |
| 2086 | ServiceManager.getService("usagestats")); |
| 2087 | if (usageStatsService == null) { |
| 2088 | return new HashMap<String, Integer>(); |
| 2089 | } |
| 2090 | |
Peter Visontay | bfcda39 | 2011-03-02 18:53:37 +0000 | [diff] [blame] | 2091 | PkgUsageStats[] allPkgUsageStats = usageStatsService.getAllPkgUsageStats(); |
| 2092 | if (allPkgUsageStats == null) { |
| 2093 | return new HashMap<String, Integer>(); |
| 2094 | } |
| 2095 | |
Peter Visontay | 8d224ca | 2011-02-18 16:39:19 +0000 | [diff] [blame] | 2096 | Map<String, Integer> launchCounts = new HashMap<String, Integer>(); |
Peter Visontay | bfcda39 | 2011-03-02 18:53:37 +0000 | [diff] [blame] | 2097 | for (PkgUsageStats pkgUsageStats : allPkgUsageStats) { |
Peter Visontay | 8d224ca | 2011-02-18 16:39:19 +0000 | [diff] [blame] | 2098 | launchCounts.put(pkgUsageStats.packageName, pkgUsageStats.launchCount); |
| 2099 | } |
| 2100 | |
| 2101 | return launchCounts; |
| 2102 | } catch (RemoteException e) { |
| 2103 | Log.w(TAG, "Could not query launch counts", e); |
| 2104 | return new HashMap<String, Integer>(); |
| 2105 | } |
| 2106 | } |
Amith Yamasani | 4b2e934 | 2011-03-31 12:38:53 -0700 | [diff] [blame] | 2107 | |
Dianne Hackborn | 5320eb8 | 2012-05-18 12:05:04 -0700 | [diff] [blame] | 2108 | /** @hide */ |
| 2109 | public static int checkComponentPermission(String permission, int uid, |
| 2110 | int owningUid, boolean exported) { |
| 2111 | // Root, system server get to do everything. |
| 2112 | if (uid == 0 || uid == Process.SYSTEM_UID) { |
| 2113 | return PackageManager.PERMISSION_GRANTED; |
| 2114 | } |
| 2115 | // Isolated processes don't get any permissions. |
Dianne Hackborn | f02b60a | 2012-08-16 10:48:27 -0700 | [diff] [blame] | 2116 | if (UserHandle.isIsolated(uid)) { |
Dianne Hackborn | 5320eb8 | 2012-05-18 12:05:04 -0700 | [diff] [blame] | 2117 | return PackageManager.PERMISSION_DENIED; |
| 2118 | } |
| 2119 | // If there is a uid that owns whatever is being accessed, it has |
| 2120 | // blanket access to it regardless of the permissions it requires. |
Dianne Hackborn | f02b60a | 2012-08-16 10:48:27 -0700 | [diff] [blame] | 2121 | if (owningUid >= 0 && UserHandle.isSameApp(uid, owningUid)) { |
Dianne Hackborn | 5320eb8 | 2012-05-18 12:05:04 -0700 | [diff] [blame] | 2122 | return PackageManager.PERMISSION_GRANTED; |
| 2123 | } |
| 2124 | // If the target is not exported, then nobody else can get to it. |
| 2125 | if (!exported) { |
Dianne Hackborn | be4c1d7 | 2013-09-09 09:44:05 -0700 | [diff] [blame] | 2126 | /* |
| 2127 | RuntimeException here = new RuntimeException("here"); |
| 2128 | here.fillInStackTrace(); |
| 2129 | Slog.w(TAG, "Permission denied: checkComponentPermission() owningUid=" + owningUid, |
| 2130 | here); |
| 2131 | */ |
Dianne Hackborn | 5320eb8 | 2012-05-18 12:05:04 -0700 | [diff] [blame] | 2132 | return PackageManager.PERMISSION_DENIED; |
| 2133 | } |
| 2134 | if (permission == null) { |
| 2135 | return PackageManager.PERMISSION_GRANTED; |
| 2136 | } |
| 2137 | try { |
| 2138 | return AppGlobals.getPackageManager() |
| 2139 | .checkUidPermission(permission, uid); |
| 2140 | } catch (RemoteException e) { |
| 2141 | // Should never happen, but if it does... deny! |
| 2142 | Slog.e(TAG, "PackageManager is dead?!?", e); |
| 2143 | } |
| 2144 | return PackageManager.PERMISSION_DENIED; |
| 2145 | } |
| 2146 | |
Dianne Hackborn | 7d19e02 | 2012-08-07 19:12:33 -0700 | [diff] [blame] | 2147 | /** @hide */ |
| 2148 | public static int checkUidPermission(String permission, int uid) { |
| 2149 | try { |
| 2150 | return AppGlobals.getPackageManager() |
| 2151 | .checkUidPermission(permission, uid); |
| 2152 | } catch (RemoteException e) { |
| 2153 | // Should never happen, but if it does... deny! |
| 2154 | Slog.e(TAG, "PackageManager is dead?!?", e); |
| 2155 | } |
| 2156 | return PackageManager.PERMISSION_DENIED; |
| 2157 | } |
| 2158 | |
Dianne Hackborn | d7d28e6 | 2013-02-12 14:59:53 -0800 | [diff] [blame] | 2159 | /** |
| 2160 | * @hide |
| 2161 | * Helper for dealing with incoming user arguments to system service calls. |
| 2162 | * Takes care of checking permissions and converting USER_CURRENT to the |
| 2163 | * actual current user. |
| 2164 | * |
| 2165 | * @param callingPid The pid of the incoming call, as per Binder.getCallingPid(). |
| 2166 | * @param callingUid The uid of the incoming call, as per Binder.getCallingUid(). |
| 2167 | * @param userId The user id argument supplied by the caller -- this is the user |
| 2168 | * they want to run as. |
| 2169 | * @param allowAll If true, we will allow USER_ALL. This means you must be prepared |
| 2170 | * to get a USER_ALL returned and deal with it correctly. If false, |
| 2171 | * an exception will be thrown if USER_ALL is supplied. |
| 2172 | * @param requireFull If true, the caller must hold |
| 2173 | * {@link android.Manifest.permission#INTERACT_ACROSS_USERS_FULL} to be able to run as a |
| 2174 | * different user than their current process; otherwise they must hold |
| 2175 | * {@link android.Manifest.permission#INTERACT_ACROSS_USERS}. |
| 2176 | * @param name Optional textual name of the incoming call; only for generating error messages. |
| 2177 | * @param callerPackage Optional package name of caller; only for error messages. |
| 2178 | * |
| 2179 | * @return Returns the user ID that the call should run as. Will always be a concrete |
| 2180 | * user number, unless <var>allowAll</var> is true in which case it could also be |
| 2181 | * USER_ALL. |
| 2182 | */ |
Dianne Hackborn | 4120375 | 2012-08-31 14:05:51 -0700 | [diff] [blame] | 2183 | public static int handleIncomingUser(int callingPid, int callingUid, int userId, |
| 2184 | boolean allowAll, boolean requireFull, String name, String callerPackage) { |
| 2185 | if (UserHandle.getUserId(callingUid) == userId) { |
| 2186 | return userId; |
| 2187 | } |
| 2188 | try { |
| 2189 | return ActivityManagerNative.getDefault().handleIncomingUser(callingPid, |
| 2190 | callingUid, userId, allowAll, requireFull, name, callerPackage); |
| 2191 | } catch (RemoteException e) { |
| 2192 | throw new SecurityException("Failed calling activity manager", e); |
| 2193 | } |
| 2194 | } |
| 2195 | |
| 2196 | /** @hide */ |
| 2197 | public static int getCurrentUser() { |
| 2198 | UserInfo ui; |
| 2199 | try { |
| 2200 | ui = ActivityManagerNative.getDefault().getCurrentUser(); |
| 2201 | return ui != null ? ui.id : 0; |
| 2202 | } catch (RemoteException e) { |
| 2203 | return 0; |
| 2204 | } |
| 2205 | } |
| 2206 | |
Amith Yamasani | 4b2e934 | 2011-03-31 12:38:53 -0700 | [diff] [blame] | 2207 | /** |
Mark Brophy | 9fc0330 | 2011-07-01 16:56:24 +0100 | [diff] [blame] | 2208 | * Returns the usage statistics of each installed package. |
| 2209 | * |
| 2210 | * @hide |
| 2211 | */ |
| 2212 | public PkgUsageStats[] getAllPackageUsageStats() { |
| 2213 | try { |
| 2214 | IUsageStats usageStatsService = IUsageStats.Stub.asInterface( |
| 2215 | ServiceManager.getService("usagestats")); |
| 2216 | if (usageStatsService != null) { |
| 2217 | return usageStatsService.getAllPkgUsageStats(); |
| 2218 | } |
| 2219 | } catch (RemoteException e) { |
| 2220 | Log.w(TAG, "Could not query usage stats", e); |
| 2221 | } |
| 2222 | return new PkgUsageStats[0]; |
| 2223 | } |
| 2224 | |
| 2225 | /** |
Amith Yamasani | 4b2e934 | 2011-03-31 12:38:53 -0700 | [diff] [blame] | 2226 | * @param userid the user's id. Zero indicates the default user |
| 2227 | * @hide |
| 2228 | */ |
| 2229 | public boolean switchUser(int userid) { |
| 2230 | try { |
| 2231 | return ActivityManagerNative.getDefault().switchUser(userid); |
| 2232 | } catch (RemoteException e) { |
| 2233 | return false; |
| 2234 | } |
| 2235 | } |
Dianne Hackborn | 5e03e2c | 2012-09-06 14:21:19 -0700 | [diff] [blame] | 2236 | |
| 2237 | /** |
| 2238 | * Return whether the given user is actively running. This means that |
| 2239 | * the user is in the "started" state, not "stopped" -- it is currently |
| 2240 | * allowed to run code through scheduled alarms, receiving broadcasts, |
| 2241 | * etc. A started user may be either the current foreground user or a |
| 2242 | * background user; the result here does not distinguish between the two. |
| 2243 | * @param userid the user's id. Zero indicates the default user. |
| 2244 | * @hide |
| 2245 | */ |
| 2246 | public boolean isUserRunning(int userid) { |
| 2247 | try { |
Dianne Hackborn | a8a9bd6 | 2012-10-09 15:36:59 -0700 | [diff] [blame] | 2248 | return ActivityManagerNative.getDefault().isUserRunning(userid, false); |
Dianne Hackborn | 5e03e2c | 2012-09-06 14:21:19 -0700 | [diff] [blame] | 2249 | } catch (RemoteException e) { |
| 2250 | return false; |
| 2251 | } |
| 2252 | } |
Dianne Hackborn | cbfd23e | 2013-06-11 14:26:53 -0700 | [diff] [blame] | 2253 | |
| 2254 | /** |
| 2255 | * Perform a system dump of various state associated with the given application |
| 2256 | * package name. This call blocks while the dump is being performed, so should |
| 2257 | * not be done on a UI thread. The data will be written to the given file |
| 2258 | * descriptor as text. An application must hold the |
| 2259 | * {@link android.Manifest.permission#DUMP} permission to make this call. |
Dianne Hackborn | ebc15ef | 2013-10-09 17:36:57 -0700 | [diff] [blame] | 2260 | * @param fd The file descriptor that the dump should be written to. The file |
| 2261 | * descriptor is <em>not</em> closed by this function; the caller continues to |
| 2262 | * own it. |
Dianne Hackborn | cbfd23e | 2013-06-11 14:26:53 -0700 | [diff] [blame] | 2263 | * @param packageName The name of the package that is to be dumped. |
| 2264 | */ |
| 2265 | public void dumpPackageState(FileDescriptor fd, String packageName) { |
| 2266 | dumpPackageStateStatic(fd, packageName); |
| 2267 | } |
| 2268 | |
| 2269 | /** |
| 2270 | * @hide |
| 2271 | */ |
| 2272 | public static void dumpPackageStateStatic(FileDescriptor fd, String packageName) { |
| 2273 | FileOutputStream fout = new FileOutputStream(fd); |
Dianne Hackborn | 8c84109 | 2013-06-24 13:46:13 -0700 | [diff] [blame] | 2274 | PrintWriter pw = new FastPrintWriter(fout); |
Dianne Hackborn | daa0d5c | 2013-11-06 16:30:29 -0800 | [diff] [blame] | 2275 | dumpService(pw, fd, Context.ACTIVITY_SERVICE, new String[] { |
| 2276 | "-a", "package", packageName }); |
Dianne Hackborn | cbfd23e | 2013-06-11 14:26:53 -0700 | [diff] [blame] | 2277 | pw.println(); |
Dianne Hackborn | daa0d5c | 2013-11-06 16:30:29 -0800 | [diff] [blame] | 2278 | dumpService(pw, fd, "meminfo", new String[] { "--local", packageName }); |
| 2279 | pw.println(); |
| 2280 | dumpService(pw, fd, ProcessStats.SERVICE_NAME, new String[] { "-a", packageName }); |
Dianne Hackborn | cbfd23e | 2013-06-11 14:26:53 -0700 | [diff] [blame] | 2281 | pw.println(); |
Dianne Hackborn | 904a857 | 2013-06-28 18:12:31 -0700 | [diff] [blame] | 2282 | dumpService(pw, fd, "usagestats", new String[] { "--packages", packageName }); |
| 2283 | pw.println(); |
Dianne Hackborn | 8c84109 | 2013-06-24 13:46:13 -0700 | [diff] [blame] | 2284 | dumpService(pw, fd, "package", new String[] { packageName }); |
| 2285 | pw.println(); |
| 2286 | dumpService(pw, fd, BatteryStats.SERVICE_NAME, new String[] { packageName }); |
Dianne Hackborn | cbfd23e | 2013-06-11 14:26:53 -0700 | [diff] [blame] | 2287 | pw.flush(); |
| 2288 | } |
| 2289 | |
| 2290 | private static void dumpService(PrintWriter pw, FileDescriptor fd, String name, String[] args) { |
| 2291 | pw.print("DUMP OF SERVICE "); pw.print(name); pw.println(":"); |
| 2292 | IBinder service = ServiceManager.checkService(name); |
| 2293 | if (service == null) { |
| 2294 | pw.println(" (Service not found)"); |
| 2295 | return; |
| 2296 | } |
| 2297 | TransferPipe tp = null; |
| 2298 | try { |
| 2299 | pw.flush(); |
| 2300 | tp = new TransferPipe(); |
| 2301 | tp.setBufferPrefix(" "); |
Dianne Hackborn | daa0d5c | 2013-11-06 16:30:29 -0800 | [diff] [blame] | 2302 | service.dumpAsync(tp.getWriteFd().getFileDescriptor(), args); |
Dianne Hackborn | cbfd23e | 2013-06-11 14:26:53 -0700 | [diff] [blame] | 2303 | tp.go(fd); |
| 2304 | } catch (Throwable e) { |
| 2305 | if (tp != null) { |
| 2306 | tp.kill(); |
| 2307 | } |
| 2308 | pw.println("Failure dumping service:"); |
| 2309 | e.printStackTrace(pw); |
| 2310 | } |
| 2311 | } |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 2312 | } |