Craig Mautner | 2708430 | 2013-03-25 08:05:25 -0700 | [diff] [blame] | 1 | /* |
| 2 | * Copyright (C) 2013 The Android Open Source Project |
| 3 | * |
| 4 | * Licensed under the Apache License, Version 2.0 (the "License"); |
| 5 | * you may not use this file except in compliance with the License. |
| 6 | * You may obtain a copy of the License at |
| 7 | * |
| 8 | * http://www.apache.org/licenses/LICENSE-2.0 |
| 9 | * |
| 10 | * Unless required by applicable law or agreed to in writing, software |
| 11 | * distributed under the License is distributed on an "AS IS" BASIS, |
| 12 | * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| 13 | * See the License for the specific language governing permissions and |
| 14 | * limitations under the License. |
| 15 | */ |
| 16 | |
| 17 | package com.android.server.am; |
| 18 | |
Craig Mautner | 6170f73 | 2013-04-02 13:05:23 -0700 | [diff] [blame] | 19 | import static android.Manifest.permission.START_ANY_ACTIVITY; |
| 20 | import static android.content.pm.PackageManager.PERMISSION_GRANTED; |
Craig Mautner | 2420ead | 2013-04-01 17:13:20 -0700 | [diff] [blame] | 21 | import static com.android.server.am.ActivityManagerService.localLOGV; |
Craig Mautner | 23ac33b | 2013-04-01 16:26:35 -0700 | [diff] [blame] | 22 | import static com.android.server.am.ActivityManagerService.DEBUG_CONFIGURATION; |
Craig Mautner | 6170f73 | 2013-04-02 13:05:23 -0700 | [diff] [blame] | 23 | import static com.android.server.am.ActivityManagerService.DEBUG_RESULTS; |
Craig Mautner | 2420ead | 2013-04-01 17:13:20 -0700 | [diff] [blame] | 24 | import static com.android.server.am.ActivityManagerService.DEBUG_SWITCH; |
Craig Mautner | 8849a5e | 2013-04-02 16:41:03 -0700 | [diff] [blame] | 25 | import static com.android.server.am.ActivityManagerService.DEBUG_TASKS; |
| 26 | import static com.android.server.am.ActivityManagerService.DEBUG_USER_LEAVING; |
Craig Mautner | 8d341ef | 2013-03-26 09:03:27 -0700 | [diff] [blame] | 27 | import static com.android.server.am.ActivityManagerService.TAG; |
| 28 | |
Craig Mautner | 2420ead | 2013-04-01 17:13:20 -0700 | [diff] [blame] | 29 | import android.app.Activity; |
Craig Mautner | 23ac33b | 2013-04-01 16:26:35 -0700 | [diff] [blame] | 30 | import android.app.ActivityManager; |
| 31 | import android.app.ActivityOptions; |
| 32 | import android.app.AppGlobals; |
| 33 | import android.app.IApplicationThread; |
Craig Mautner | 20e7227 | 2013-04-01 13:45:53 -0700 | [diff] [blame] | 34 | import android.app.IThumbnailReceiver; |
Craig Mautner | 23ac33b | 2013-04-01 16:26:35 -0700 | [diff] [blame] | 35 | import android.app.PendingIntent; |
Craig Mautner | 20e7227 | 2013-04-01 13:45:53 -0700 | [diff] [blame] | 36 | import android.app.ActivityManager.RunningTaskInfo; |
Craig Mautner | 23ac33b | 2013-04-01 16:26:35 -0700 | [diff] [blame] | 37 | import android.app.IActivityManager.WaitResult; |
Craig Mautner | 2420ead | 2013-04-01 17:13:20 -0700 | [diff] [blame] | 38 | import android.app.ResultInfo; |
Craig Mautner | 23ac33b | 2013-04-01 16:26:35 -0700 | [diff] [blame] | 39 | import android.content.ComponentName; |
Craig Mautner | 2219a1b | 2013-03-25 09:44:30 -0700 | [diff] [blame] | 40 | import android.content.Context; |
Craig Mautner | 23ac33b | 2013-04-01 16:26:35 -0700 | [diff] [blame] | 41 | import android.content.IIntentSender; |
Craig Mautner | 2219a1b | 2013-03-25 09:44:30 -0700 | [diff] [blame] | 42 | import android.content.Intent; |
Craig Mautner | 23ac33b | 2013-04-01 16:26:35 -0700 | [diff] [blame] | 43 | import android.content.IntentSender; |
Craig Mautner | 2219a1b | 2013-03-25 09:44:30 -0700 | [diff] [blame] | 44 | import android.content.pm.ActivityInfo; |
Craig Mautner | 23ac33b | 2013-04-01 16:26:35 -0700 | [diff] [blame] | 45 | import android.content.pm.ApplicationInfo; |
| 46 | import android.content.pm.PackageManager; |
| 47 | import android.content.pm.ResolveInfo; |
| 48 | import android.content.res.Configuration; |
| 49 | import android.os.Binder; |
Craig Mautner | 8d341ef | 2013-03-26 09:03:27 -0700 | [diff] [blame] | 50 | import android.os.Bundle; |
Craig Mautner | 23ac33b | 2013-04-01 16:26:35 -0700 | [diff] [blame] | 51 | import android.os.IBinder; |
Craig Mautner | 2219a1b | 2013-03-25 09:44:30 -0700 | [diff] [blame] | 52 | import android.os.Looper; |
Craig Mautner | 2420ead | 2013-04-01 17:13:20 -0700 | [diff] [blame] | 53 | import android.os.Message; |
Craig Mautner | 23ac33b | 2013-04-01 16:26:35 -0700 | [diff] [blame] | 54 | import android.os.ParcelFileDescriptor; |
Craig Mautner | 8d341ef | 2013-03-26 09:03:27 -0700 | [diff] [blame] | 55 | import android.os.RemoteException; |
Craig Mautner | 23ac33b | 2013-04-01 16:26:35 -0700 | [diff] [blame] | 56 | import android.os.SystemClock; |
Craig Mautner | 6170f73 | 2013-04-02 13:05:23 -0700 | [diff] [blame] | 57 | import android.os.UserHandle; |
Craig Mautner | 2420ead | 2013-04-01 17:13:20 -0700 | [diff] [blame] | 58 | import android.util.EventLog; |
Craig Mautner | 8d341ef | 2013-03-26 09:03:27 -0700 | [diff] [blame] | 59 | import android.util.Slog; |
Craig Mautner | 2219a1b | 2013-03-25 09:44:30 -0700 | [diff] [blame] | 60 | |
Craig Mautner | 23ac33b | 2013-04-01 16:26:35 -0700 | [diff] [blame] | 61 | import com.android.internal.app.HeavyWeightSwitcherActivity; |
Craig Mautner | 6170f73 | 2013-04-02 13:05:23 -0700 | [diff] [blame] | 62 | import com.android.server.am.ActivityManagerService.PendingActivityLaunch; |
Craig Mautner | 2420ead | 2013-04-01 17:13:20 -0700 | [diff] [blame] | 63 | import com.android.server.am.ActivityStack.ActivityState; |
Craig Mautner | de4ef02 | 2013-04-07 19:01:33 -0700 | [diff] [blame] | 64 | import com.android.server.wm.StackBox; |
Craig Mautner | 23ac33b | 2013-04-01 16:26:35 -0700 | [diff] [blame] | 65 | |
Craig Mautner | 8d341ef | 2013-03-26 09:03:27 -0700 | [diff] [blame] | 66 | import java.io.FileDescriptor; |
| 67 | import java.io.IOException; |
Craig Mautner | 2708430 | 2013-03-25 08:05:25 -0700 | [diff] [blame] | 68 | import java.io.PrintWriter; |
Craig Mautner | 2219a1b | 2013-03-25 09:44:30 -0700 | [diff] [blame] | 69 | import java.util.ArrayList; |
Craig Mautner | 8d341ef | 2013-03-26 09:03:27 -0700 | [diff] [blame] | 70 | import java.util.List; |
Craig Mautner | 2708430 | 2013-03-25 08:05:25 -0700 | [diff] [blame] | 71 | |
| 72 | public class ActivityStackSupervisor { |
Craig Mautner | de4ef02 | 2013-04-07 19:01:33 -0700 | [diff] [blame] | 73 | static final boolean DEBUG = ActivityManagerService.DEBUG || false; |
| 74 | static final boolean DEBUG_ADD_REMOVE = DEBUG || false; |
| 75 | static final boolean DEBUG_APP = DEBUG || false; |
| 76 | static final boolean DEBUG_SAVED_STATE = DEBUG || false; |
| 77 | static final boolean DEBUG_STATES = DEBUG || false; |
Craig Mautner | 2420ead | 2013-04-01 17:13:20 -0700 | [diff] [blame] | 78 | |
Craig Mautner | 2219a1b | 2013-03-25 09:44:30 -0700 | [diff] [blame] | 79 | public static final int HOME_STACK_ID = 0; |
Craig Mautner | 2708430 | 2013-03-25 08:05:25 -0700 | [diff] [blame] | 80 | |
| 81 | final ActivityManagerService mService; |
Craig Mautner | 2219a1b | 2013-03-25 09:44:30 -0700 | [diff] [blame] | 82 | final Context mContext; |
| 83 | final Looper mLooper; |
Craig Mautner | 2708430 | 2013-03-25 08:05:25 -0700 | [diff] [blame] | 84 | |
| 85 | /** Dismiss the keyguard after the next activity is displayed? */ |
| 86 | private boolean mDismissKeyguardOnNextActivity = false; |
| 87 | |
Craig Mautner | 8d341ef | 2013-03-26 09:03:27 -0700 | [diff] [blame] | 88 | /** Identifier counter for all ActivityStacks */ |
Craig Mautner | d5d5d0f | 2013-04-03 15:08:21 -0700 | [diff] [blame] | 89 | private int mLastStackId = HOME_STACK_ID; |
Craig Mautner | 8d341ef | 2013-03-26 09:03:27 -0700 | [diff] [blame] | 90 | |
| 91 | /** Task identifier that activities are currently being started in. Incremented each time a |
| 92 | * new task is created. */ |
| 93 | private int mCurTaskId = 0; |
| 94 | |
Craig Mautner | 2420ead | 2013-04-01 17:13:20 -0700 | [diff] [blame] | 95 | /** The current user */ |
| 96 | private int mCurrentUser; |
| 97 | |
Craig Mautner | 8d341ef | 2013-03-26 09:03:27 -0700 | [diff] [blame] | 98 | /** The stack containing the launcher app */ |
Craig Mautner | 2219a1b | 2013-03-25 09:44:30 -0700 | [diff] [blame] | 99 | private ActivityStack mHomeStack; |
Craig Mautner | 20e7227 | 2013-04-01 13:45:53 -0700 | [diff] [blame] | 100 | |
Craig Mautner | de4ef02 | 2013-04-07 19:01:33 -0700 | [diff] [blame] | 101 | /** The non-home stack currently receiving input or launching the next activity. If home is |
| 102 | * in front then mHomeStack overrides mMainStack. */ |
Craig Mautner | 2219a1b | 2013-03-25 09:44:30 -0700 | [diff] [blame] | 103 | private ActivityStack mMainStack; |
Craig Mautner | 8d341ef | 2013-03-26 09:03:27 -0700 | [diff] [blame] | 104 | |
| 105 | /** All the non-launcher stacks */ |
Craig Mautner | 2219a1b | 2013-03-25 09:44:30 -0700 | [diff] [blame] | 106 | private ArrayList<ActivityStack> mStacks = new ArrayList<ActivityStack>(); |
| 107 | |
Craig Mautner | de4ef02 | 2013-04-07 19:01:33 -0700 | [diff] [blame] | 108 | private static final int STACK_STATE_HOME_IN_FRONT = 0; |
| 109 | private static final int STACK_STATE_HOME_TO_BACK = 1; |
| 110 | private static final int STACK_STATE_HOME_IN_BACK = 2; |
| 111 | private static final int STACK_STATE_HOME_TO_FRONT = 3; |
| 112 | private int mStackState = STACK_STATE_HOME_IN_FRONT; |
| 113 | |
| 114 | /** List of activities that are waiting for a new activity to become visible before completing |
| 115 | * whatever operation they are supposed to do. */ |
| 116 | final ArrayList<ActivityRecord> mWaitingVisibleActivities = new ArrayList<ActivityRecord>(); |
| 117 | |
| 118 | /** List of activities that are ready to be stopped, but waiting for the next activity to |
| 119 | * settle down before doing so. */ |
| 120 | final ArrayList<ActivityRecord> mStoppingActivities = new ArrayList<ActivityRecord>(); |
| 121 | |
| 122 | /** Set to indicate whether to issue an onUserLeaving callback when a newly launched activity |
| 123 | * is being brought in front of us. */ |
| 124 | boolean mUserLeaving = false; |
| 125 | |
Craig Mautner | 2219a1b | 2013-03-25 09:44:30 -0700 | [diff] [blame] | 126 | public ActivityStackSupervisor(ActivityManagerService service, Context context, |
| 127 | Looper looper) { |
Craig Mautner | 2708430 | 2013-03-25 08:05:25 -0700 | [diff] [blame] | 128 | mService = service; |
Craig Mautner | 2219a1b | 2013-03-25 09:44:30 -0700 | [diff] [blame] | 129 | mContext = context; |
| 130 | mLooper = looper; |
| 131 | } |
| 132 | |
Craig Mautner | 2420ead | 2013-04-01 17:13:20 -0700 | [diff] [blame] | 133 | void init(int userId) { |
| 134 | mHomeStack = new ActivityStack(mService, mContext, mLooper, HOME_STACK_ID, this, userId); |
Craig Mautner | 8d341ef | 2013-03-26 09:03:27 -0700 | [diff] [blame] | 135 | mStacks.add(mHomeStack); |
Craig Mautner | 2708430 | 2013-03-25 08:05:25 -0700 | [diff] [blame] | 136 | } |
| 137 | |
| 138 | void dismissKeyguard() { |
| 139 | if (mDismissKeyguardOnNextActivity) { |
| 140 | mDismissKeyguardOnNextActivity = false; |
| 141 | mService.mWindowManager.dismissKeyguard(); |
| 142 | } |
| 143 | } |
| 144 | |
Craig Mautner | de4ef02 | 2013-04-07 19:01:33 -0700 | [diff] [blame] | 145 | ActivityStack getTopStack() { |
| 146 | switch (mStackState) { |
| 147 | case STACK_STATE_HOME_IN_FRONT: |
| 148 | case STACK_STATE_HOME_TO_FRONT: |
| 149 | return mHomeStack; |
| 150 | case STACK_STATE_HOME_IN_BACK: |
| 151 | case STACK_STATE_HOME_TO_BACK: |
| 152 | default: |
| 153 | return mMainStack; |
| 154 | } |
Craig Mautner | 20e7227 | 2013-04-01 13:45:53 -0700 | [diff] [blame] | 155 | } |
| 156 | |
Craig Mautner | de4ef02 | 2013-04-07 19:01:33 -0700 | [diff] [blame] | 157 | ActivityStack getLastStack() { |
| 158 | switch (mStackState) { |
| 159 | case STACK_STATE_HOME_IN_FRONT: |
| 160 | case STACK_STATE_HOME_TO_BACK: |
| 161 | return mHomeStack; |
| 162 | case STACK_STATE_HOME_TO_FRONT: |
| 163 | case STACK_STATE_HOME_IN_BACK: |
| 164 | default: |
| 165 | return mMainStack; |
| 166 | } |
Craig Mautner | 2219a1b | 2013-03-25 09:44:30 -0700 | [diff] [blame] | 167 | } |
| 168 | |
Craig Mautner | de4ef02 | 2013-04-07 19:01:33 -0700 | [diff] [blame] | 169 | boolean isFrontStack(ActivityStack stack) { |
Craig Mautner | 967212c | 2013-04-13 21:10:58 -0700 | [diff] [blame^] | 170 | return !(stack.isHomeStack() ^ getTopStack().isHomeStack()); |
Craig Mautner | 20e7227 | 2013-04-01 13:45:53 -0700 | [diff] [blame] | 171 | } |
| 172 | |
Craig Mautner | de4ef02 | 2013-04-07 19:01:33 -0700 | [diff] [blame] | 173 | boolean homeIsInFront() { |
| 174 | return isFrontStack(mHomeStack); |
| 175 | } |
| 176 | |
| 177 | void moveHomeStack(boolean toFront) { |
| 178 | final boolean homeInFront = isFrontStack(mHomeStack); |
| 179 | if (homeInFront ^ toFront) { |
| 180 | mStackState = homeInFront ? STACK_STATE_HOME_TO_BACK : STACK_STATE_HOME_TO_FRONT; |
| 181 | } |
| 182 | } |
| 183 | |
| 184 | final void setLaunchHomeTaskNextFlag(ActivityRecord sourceRecord, ActivityRecord r, |
| 185 | ActivityStack stack) { |
| 186 | if (stack == mHomeStack) { |
| 187 | return; |
| 188 | } |
| 189 | if ((sourceRecord == null && getLastStack() == mHomeStack) || |
| 190 | (sourceRecord != null && sourceRecord.isHomeActivity)) { |
| 191 | if (r == null) { |
| 192 | r = stack.topRunningActivityLocked(null); |
| 193 | } |
| 194 | if (r != null && !r.isHomeActivity && r.isRootActivity()) { |
| 195 | r.mLaunchHomeTaskNext = true; |
| 196 | } |
| 197 | } |
Craig Mautner | 2219a1b | 2013-03-25 09:44:30 -0700 | [diff] [blame] | 198 | } |
| 199 | |
Craig Mautner | 2708430 | 2013-03-25 08:05:25 -0700 | [diff] [blame] | 200 | void setDismissKeyguard(boolean dismiss) { |
| 201 | mDismissKeyguardOnNextActivity = dismiss; |
| 202 | } |
| 203 | |
Craig Mautner | 8d341ef | 2013-03-26 09:03:27 -0700 | [diff] [blame] | 204 | TaskRecord anyTaskForIdLocked(int id) { |
| 205 | for (int stackNdx = mStacks.size() - 1; stackNdx >= 0; --stackNdx) { |
| 206 | ActivityStack stack = mStacks.get(stackNdx); |
| 207 | TaskRecord task = stack.taskForIdLocked(id); |
| 208 | if (task != null) { |
| 209 | return task; |
| 210 | } |
| 211 | } |
| 212 | return null; |
| 213 | } |
| 214 | |
Craig Mautner | 6170f73 | 2013-04-02 13:05:23 -0700 | [diff] [blame] | 215 | ActivityRecord isInAnyStackLocked(IBinder token) { |
| 216 | for (int stackNdx = mStacks.size() - 1; stackNdx >= 0; --stackNdx) { |
| 217 | final ActivityRecord r = mStacks.get(stackNdx).isInStackLocked(token); |
| 218 | if (r != null) { |
| 219 | return r; |
| 220 | } |
| 221 | } |
| 222 | return null; |
| 223 | } |
| 224 | |
Craig Mautner | 8d341ef | 2013-03-26 09:03:27 -0700 | [diff] [blame] | 225 | int getNextTaskId() { |
| 226 | do { |
| 227 | mCurTaskId++; |
| 228 | if (mCurTaskId <= 0) { |
| 229 | mCurTaskId = 1; |
| 230 | } |
| 231 | } while (anyTaskForIdLocked(mCurTaskId) != null); |
| 232 | return mCurTaskId; |
| 233 | } |
| 234 | |
Craig Mautner | de4ef02 | 2013-04-07 19:01:33 -0700 | [diff] [blame] | 235 | void removeTask(TaskRecord task) { |
| 236 | final ActivityStack stack = task.stack; |
| 237 | if (stack.removeTask(task) && !stack.isHomeStack()) { |
| 238 | mStacks.remove(stack); |
| 239 | final int oldStackId = stack.mStackId; |
| 240 | final int newMainStackId = mService.mWindowManager.removeStack(oldStackId); |
| 241 | if (newMainStackId == HOME_STACK_ID) { |
| 242 | return; |
| 243 | } |
| 244 | if (mMainStack.mStackId == oldStackId) { |
| 245 | mMainStack = getStack(newMainStackId); |
| 246 | } |
| 247 | } |
| 248 | } |
| 249 | |
| 250 | ActivityRecord resumedAppLocked() { |
| 251 | ActivityStack stack = getTopStack(); |
| 252 | ActivityRecord resumedActivity = stack.mResumedActivity; |
| 253 | if (resumedActivity == null || resumedActivity.app == null) { |
| 254 | resumedActivity = stack.mPausingActivity; |
| 255 | if (resumedActivity == null || resumedActivity.app == null) { |
| 256 | resumedActivity = stack.topRunningActivityLocked(null); |
| 257 | } |
| 258 | } |
| 259 | return resumedActivity; |
| 260 | } |
| 261 | |
Craig Mautner | 20e7227 | 2013-04-01 13:45:53 -0700 | [diff] [blame] | 262 | boolean attachApplicationLocked(ProcessRecord app, boolean headless) throws Exception { |
| 263 | boolean didSomething = false; |
| 264 | final String processName = app.processName; |
| 265 | for (int stackNdx = mStacks.size() - 1; stackNdx >= 0; --stackNdx) { |
| 266 | final ActivityStack stack = mStacks.get(stackNdx); |
| 267 | ActivityRecord hr = stack.topRunningActivityLocked(null); |
| 268 | if (hr != null) { |
| 269 | if (hr.app == null && app.uid == hr.info.applicationInfo.uid |
| 270 | && processName.equals(hr.processName)) { |
| 271 | try { |
| 272 | if (headless) { |
| 273 | Slog.e(TAG, "Starting activities not supported on headless device: " |
| 274 | + hr); |
Craig Mautner | 2420ead | 2013-04-01 17:13:20 -0700 | [diff] [blame] | 275 | } else if (realStartActivityLocked(hr, app, true, true)) { |
Craig Mautner | 20e7227 | 2013-04-01 13:45:53 -0700 | [diff] [blame] | 276 | didSomething = true; |
| 277 | } |
| 278 | } catch (Exception e) { |
| 279 | Slog.w(TAG, "Exception in new application when starting activity " |
| 280 | + hr.intent.getComponent().flattenToShortString(), e); |
| 281 | throw e; |
| 282 | } |
| 283 | } else { |
| 284 | stack.ensureActivitiesVisibleLocked(hr, null, processName, 0); |
| 285 | } |
| 286 | } |
| 287 | } |
| 288 | return didSomething; |
| 289 | } |
| 290 | |
| 291 | boolean allResumedActivitiesIdle() { |
| 292 | for (int stackNdx = mStacks.size() - 1; stackNdx >= 0; --stackNdx) { |
Craig Mautner | dbcb31f | 2013-04-02 12:32:53 -0700 | [diff] [blame] | 293 | final ActivityRecord resumedActivity = mStacks.get(stackNdx).mResumedActivity; |
| 294 | if (resumedActivity == null || !resumedActivity.idle) { |
Craig Mautner | 20e7227 | 2013-04-01 13:45:53 -0700 | [diff] [blame] | 295 | return false; |
| 296 | } |
| 297 | } |
| 298 | return true; |
| 299 | } |
| 300 | |
Craig Mautner | de4ef02 | 2013-04-07 19:01:33 -0700 | [diff] [blame] | 301 | boolean allResumedActivitiesComplete() { |
Craig Mautner | de4ef02 | 2013-04-07 19:01:33 -0700 | [diff] [blame] | 302 | for (int stackNdx = mStacks.size() - 1; stackNdx >= 0; --stackNdx) { |
| 303 | final ActivityStack stack = mStacks.get(stackNdx); |
Craig Mautner | 967212c | 2013-04-13 21:10:58 -0700 | [diff] [blame^] | 304 | if (isFrontStack(stack)) { |
Craig Mautner | de4ef02 | 2013-04-07 19:01:33 -0700 | [diff] [blame] | 305 | final ActivityRecord r = stack.mResumedActivity; |
| 306 | if (r != null && r.state != ActivityState.RESUMED) { |
| 307 | return false; |
| 308 | } |
| 309 | } |
| 310 | } |
| 311 | // TODO: Not sure if this should check if all Paused are complete too. |
| 312 | switch (mStackState) { |
| 313 | case STACK_STATE_HOME_TO_BACK: |
| 314 | mStackState = STACK_STATE_HOME_IN_BACK; |
| 315 | break; |
| 316 | case STACK_STATE_HOME_TO_FRONT: |
| 317 | mStackState = STACK_STATE_HOME_IN_FRONT; |
| 318 | break; |
| 319 | } |
| 320 | return true; |
| 321 | } |
| 322 | |
| 323 | boolean allResumedActivitiesVisible() { |
| 324 | for (int stackNdx = mStacks.size() - 1; stackNdx >= 0; --stackNdx) { |
| 325 | final ActivityStack stack = mStacks.get(stackNdx); |
| 326 | final ActivityRecord r = stack.mResumedActivity; |
| 327 | if (r != null && (!r.nowVisible || r.waitingVisible)) { |
| 328 | return false; |
| 329 | } |
| 330 | } |
| 331 | return true; |
| 332 | } |
| 333 | |
| 334 | boolean allPausedActivitiesComplete() { |
| 335 | final boolean homeInBack = !homeIsInFront(); |
| 336 | for (int stackNdx = mStacks.size() - 1; stackNdx >= 0; --stackNdx) { |
| 337 | final ActivityStack stack = mStacks.get(stackNdx); |
| 338 | if (stack.isHomeStack() ^ homeInBack) { |
| 339 | final ActivityRecord r = stack.mLastPausedActivity; |
| 340 | if (r != null && r.state != ActivityState.PAUSED |
| 341 | && r.state != ActivityState.STOPPED |
| 342 | && r.state != ActivityState.STOPPING) { |
| 343 | return false; |
| 344 | } |
| 345 | } |
| 346 | } |
| 347 | // TODO: Not sure if this should check if all Resumed are complete too. |
| 348 | switch (mStackState) { |
| 349 | case STACK_STATE_HOME_TO_BACK: |
| 350 | mStackState = STACK_STATE_HOME_IN_BACK; |
| 351 | break; |
| 352 | case STACK_STATE_HOME_TO_FRONT: |
| 353 | mStackState = STACK_STATE_HOME_IN_FRONT; |
| 354 | break; |
| 355 | } |
| 356 | return true; |
| 357 | } |
| 358 | |
Craig Mautner | 20e7227 | 2013-04-01 13:45:53 -0700 | [diff] [blame] | 359 | ActivityRecord getTasksLocked(int maxNum, IThumbnailReceiver receiver, |
| 360 | PendingThumbnailsRecord pending, List<RunningTaskInfo> list) { |
| 361 | ActivityRecord r = null; |
| 362 | final int numStacks = mStacks.size(); |
| 363 | for (int stackNdx = mStacks.size() - 1; stackNdx >= 0; --stackNdx) { |
| 364 | final ActivityStack stack = mStacks.get(stackNdx); |
| 365 | final ActivityRecord ar = |
| 366 | stack.getTasksLocked(maxNum - list.size(), receiver, pending, list); |
Craig Mautner | de4ef02 | 2013-04-07 19:01:33 -0700 | [diff] [blame] | 367 | if (isFrontStack(stack)) { |
Craig Mautner | 20e7227 | 2013-04-01 13:45:53 -0700 | [diff] [blame] | 368 | r = ar; |
| 369 | } |
| 370 | } |
| 371 | return r; |
| 372 | } |
| 373 | |
Craig Mautner | 23ac33b | 2013-04-01 16:26:35 -0700 | [diff] [blame] | 374 | ActivityInfo resolveActivity(Intent intent, String resolvedType, int startFlags, |
| 375 | String profileFile, ParcelFileDescriptor profileFd, int userId) { |
| 376 | // Collect information about the target of the Intent. |
| 377 | ActivityInfo aInfo; |
| 378 | try { |
| 379 | ResolveInfo rInfo = |
| 380 | AppGlobals.getPackageManager().resolveIntent( |
| 381 | intent, resolvedType, |
| 382 | PackageManager.MATCH_DEFAULT_ONLY |
| 383 | | ActivityManagerService.STOCK_PM_FLAGS, userId); |
| 384 | aInfo = rInfo != null ? rInfo.activityInfo : null; |
| 385 | } catch (RemoteException e) { |
| 386 | aInfo = null; |
| 387 | } |
| 388 | |
| 389 | if (aInfo != null) { |
| 390 | // Store the found target back into the intent, because now that |
| 391 | // we have it we never want to do this again. For example, if the |
| 392 | // user navigates back to this point in the history, we should |
| 393 | // always restart the exact same activity. |
| 394 | intent.setComponent(new ComponentName( |
| 395 | aInfo.applicationInfo.packageName, aInfo.name)); |
| 396 | |
| 397 | // Don't debug things in the system process |
| 398 | if ((startFlags&ActivityManager.START_FLAG_DEBUG) != 0) { |
| 399 | if (!aInfo.processName.equals("system")) { |
| 400 | mService.setDebugApp(aInfo.processName, true, false); |
| 401 | } |
| 402 | } |
| 403 | |
| 404 | if ((startFlags&ActivityManager.START_FLAG_OPENGL_TRACES) != 0) { |
| 405 | if (!aInfo.processName.equals("system")) { |
| 406 | mService.setOpenGlTraceApp(aInfo.applicationInfo, aInfo.processName); |
| 407 | } |
| 408 | } |
| 409 | |
| 410 | if (profileFile != null) { |
| 411 | if (!aInfo.processName.equals("system")) { |
| 412 | mService.setProfileApp(aInfo.applicationInfo, aInfo.processName, |
| 413 | profileFile, profileFd, |
| 414 | (startFlags&ActivityManager.START_FLAG_AUTO_STOP_PROFILER) != 0); |
| 415 | } |
| 416 | } |
| 417 | } |
| 418 | return aInfo; |
| 419 | } |
| 420 | |
Craig Mautner | 2219a1b | 2013-03-25 09:44:30 -0700 | [diff] [blame] | 421 | void startHomeActivity(Intent intent, ActivityInfo aInfo) { |
Craig Mautner | de4ef02 | 2013-04-07 19:01:33 -0700 | [diff] [blame] | 422 | moveHomeStack(true); |
Craig Mautner | 6170f73 | 2013-04-02 13:05:23 -0700 | [diff] [blame] | 423 | startActivityLocked(null, intent, null, aInfo, null, null, 0, 0, 0, null, 0, |
Craig Mautner | 2219a1b | 2013-03-25 09:44:30 -0700 | [diff] [blame] | 424 | null, false, null); |
Craig Mautner | 8d341ef | 2013-03-26 09:03:27 -0700 | [diff] [blame] | 425 | } |
| 426 | |
Craig Mautner | 23ac33b | 2013-04-01 16:26:35 -0700 | [diff] [blame] | 427 | final int startActivityMayWait(IApplicationThread caller, int callingUid, |
| 428 | String callingPackage, Intent intent, String resolvedType, IBinder resultTo, |
| 429 | String resultWho, int requestCode, int startFlags, String profileFile, |
| 430 | ParcelFileDescriptor profileFd, WaitResult outResult, Configuration config, |
| 431 | Bundle options, int userId) { |
| 432 | // Refuse possible leaked file descriptors |
| 433 | if (intent != null && intent.hasFileDescriptors()) { |
| 434 | throw new IllegalArgumentException("File descriptors passed in Intent"); |
| 435 | } |
| 436 | boolean componentSpecified = intent.getComponent() != null; |
| 437 | |
| 438 | // Don't modify the client's object! |
| 439 | intent = new Intent(intent); |
| 440 | |
| 441 | // Collect information about the target of the Intent. |
| 442 | ActivityInfo aInfo = resolveActivity(intent, resolvedType, startFlags, |
| 443 | profileFile, profileFd, userId); |
| 444 | |
| 445 | synchronized (mService) { |
| 446 | int callingPid; |
| 447 | if (callingUid >= 0) { |
| 448 | callingPid = -1; |
| 449 | } else if (caller == null) { |
| 450 | callingPid = Binder.getCallingPid(); |
| 451 | callingUid = Binder.getCallingUid(); |
| 452 | } else { |
| 453 | callingPid = callingUid = -1; |
| 454 | } |
| 455 | |
Craig Mautner | de4ef02 | 2013-04-07 19:01:33 -0700 | [diff] [blame] | 456 | final ActivityStack stack = getTopStack(); |
| 457 | stack.mConfigWillChange = config != null |
Craig Mautner | 23ac33b | 2013-04-01 16:26:35 -0700 | [diff] [blame] | 458 | && mService.mConfiguration.diff(config) != 0; |
| 459 | if (DEBUG_CONFIGURATION) Slog.v(TAG, |
Craig Mautner | de4ef02 | 2013-04-07 19:01:33 -0700 | [diff] [blame] | 460 | "Starting activity when config will change = " + stack.mConfigWillChange); |
Craig Mautner | 23ac33b | 2013-04-01 16:26:35 -0700 | [diff] [blame] | 461 | |
| 462 | final long origId = Binder.clearCallingIdentity(); |
| 463 | |
| 464 | if (aInfo != null && |
| 465 | (aInfo.applicationInfo.flags&ApplicationInfo.FLAG_CANT_SAVE_STATE) != 0) { |
| 466 | // This may be a heavy-weight process! Check to see if we already |
| 467 | // have another, different heavy-weight process running. |
| 468 | if (aInfo.processName.equals(aInfo.applicationInfo.packageName)) { |
| 469 | if (mService.mHeavyWeightProcess != null && |
| 470 | (mService.mHeavyWeightProcess.info.uid != aInfo.applicationInfo.uid || |
| 471 | !mService.mHeavyWeightProcess.processName.equals(aInfo.processName))) { |
| 472 | int realCallingPid = callingPid; |
| 473 | int realCallingUid = callingUid; |
| 474 | if (caller != null) { |
| 475 | ProcessRecord callerApp = mService.getRecordForAppLocked(caller); |
| 476 | if (callerApp != null) { |
| 477 | realCallingPid = callerApp.pid; |
| 478 | realCallingUid = callerApp.info.uid; |
| 479 | } else { |
| 480 | Slog.w(TAG, "Unable to find app for caller " + caller |
| 481 | + " (pid=" + realCallingPid + ") when starting: " |
| 482 | + intent.toString()); |
| 483 | ActivityOptions.abort(options); |
| 484 | return ActivityManager.START_PERMISSION_DENIED; |
| 485 | } |
| 486 | } |
| 487 | |
| 488 | IIntentSender target = mService.getIntentSenderLocked( |
| 489 | ActivityManager.INTENT_SENDER_ACTIVITY, "android", |
| 490 | realCallingUid, userId, null, null, 0, new Intent[] { intent }, |
| 491 | new String[] { resolvedType }, PendingIntent.FLAG_CANCEL_CURRENT |
| 492 | | PendingIntent.FLAG_ONE_SHOT, null); |
| 493 | |
| 494 | Intent newIntent = new Intent(); |
| 495 | if (requestCode >= 0) { |
| 496 | // Caller is requesting a result. |
| 497 | newIntent.putExtra(HeavyWeightSwitcherActivity.KEY_HAS_RESULT, true); |
| 498 | } |
| 499 | newIntent.putExtra(HeavyWeightSwitcherActivity.KEY_INTENT, |
| 500 | new IntentSender(target)); |
| 501 | if (mService.mHeavyWeightProcess.activities.size() > 0) { |
| 502 | ActivityRecord hist = mService.mHeavyWeightProcess.activities.get(0); |
| 503 | newIntent.putExtra(HeavyWeightSwitcherActivity.KEY_CUR_APP, |
| 504 | hist.packageName); |
| 505 | newIntent.putExtra(HeavyWeightSwitcherActivity.KEY_CUR_TASK, |
| 506 | hist.task.taskId); |
| 507 | } |
| 508 | newIntent.putExtra(HeavyWeightSwitcherActivity.KEY_NEW_APP, |
| 509 | aInfo.packageName); |
| 510 | newIntent.setFlags(intent.getFlags()); |
| 511 | newIntent.setClassName("android", |
| 512 | HeavyWeightSwitcherActivity.class.getName()); |
| 513 | intent = newIntent; |
| 514 | resolvedType = null; |
| 515 | caller = null; |
| 516 | callingUid = Binder.getCallingUid(); |
| 517 | callingPid = Binder.getCallingPid(); |
| 518 | componentSpecified = true; |
| 519 | try { |
| 520 | ResolveInfo rInfo = |
| 521 | AppGlobals.getPackageManager().resolveIntent( |
| 522 | intent, null, |
| 523 | PackageManager.MATCH_DEFAULT_ONLY |
| 524 | | ActivityManagerService.STOCK_PM_FLAGS, userId); |
| 525 | aInfo = rInfo != null ? rInfo.activityInfo : null; |
| 526 | aInfo = mService.getActivityInfoForUser(aInfo, userId); |
| 527 | } catch (RemoteException e) { |
| 528 | aInfo = null; |
| 529 | } |
| 530 | } |
| 531 | } |
| 532 | } |
| 533 | |
Craig Mautner | 6170f73 | 2013-04-02 13:05:23 -0700 | [diff] [blame] | 534 | int res = startActivityLocked(caller, intent, resolvedType, |
Craig Mautner | 23ac33b | 2013-04-01 16:26:35 -0700 | [diff] [blame] | 535 | aInfo, resultTo, resultWho, requestCode, callingPid, callingUid, |
| 536 | callingPackage, startFlags, options, componentSpecified, null); |
| 537 | |
Craig Mautner | de4ef02 | 2013-04-07 19:01:33 -0700 | [diff] [blame] | 538 | if (stack.mConfigWillChange) { |
Craig Mautner | 23ac33b | 2013-04-01 16:26:35 -0700 | [diff] [blame] | 539 | // If the caller also wants to switch to a new configuration, |
| 540 | // do so now. This allows a clean switch, as we are waiting |
| 541 | // for the current activity to pause (so we will not destroy |
| 542 | // it), and have not yet started the next activity. |
| 543 | mService.enforceCallingPermission(android.Manifest.permission.CHANGE_CONFIGURATION, |
| 544 | "updateConfiguration()"); |
Craig Mautner | de4ef02 | 2013-04-07 19:01:33 -0700 | [diff] [blame] | 545 | stack.mConfigWillChange = false; |
Craig Mautner | 23ac33b | 2013-04-01 16:26:35 -0700 | [diff] [blame] | 546 | if (DEBUG_CONFIGURATION) Slog.v(TAG, |
| 547 | "Updating to new configuration after starting activity."); |
| 548 | mService.updateConfigurationLocked(config, null, false, false); |
| 549 | } |
| 550 | |
| 551 | Binder.restoreCallingIdentity(origId); |
| 552 | |
| 553 | if (outResult != null) { |
| 554 | outResult.result = res; |
| 555 | if (res == ActivityManager.START_SUCCESS) { |
Craig Mautner | de4ef02 | 2013-04-07 19:01:33 -0700 | [diff] [blame] | 556 | stack.mWaitingActivityLaunched.add(outResult); |
Craig Mautner | 23ac33b | 2013-04-01 16:26:35 -0700 | [diff] [blame] | 557 | do { |
| 558 | try { |
| 559 | mService.wait(); |
| 560 | } catch (InterruptedException e) { |
| 561 | } |
| 562 | } while (!outResult.timeout && outResult.who == null); |
| 563 | } else if (res == ActivityManager.START_TASK_TO_FRONT) { |
Craig Mautner | de4ef02 | 2013-04-07 19:01:33 -0700 | [diff] [blame] | 564 | ActivityRecord r = stack.topRunningActivityLocked(null); |
Craig Mautner | 23ac33b | 2013-04-01 16:26:35 -0700 | [diff] [blame] | 565 | if (r.nowVisible) { |
| 566 | outResult.timeout = false; |
| 567 | outResult.who = new ComponentName(r.info.packageName, r.info.name); |
| 568 | outResult.totalTime = 0; |
| 569 | outResult.thisTime = 0; |
| 570 | } else { |
| 571 | outResult.thisTime = SystemClock.uptimeMillis(); |
Craig Mautner | de4ef02 | 2013-04-07 19:01:33 -0700 | [diff] [blame] | 572 | stack.mWaitingActivityVisible.add(outResult); |
Craig Mautner | 23ac33b | 2013-04-01 16:26:35 -0700 | [diff] [blame] | 573 | do { |
| 574 | try { |
| 575 | mService.wait(); |
| 576 | } catch (InterruptedException e) { |
| 577 | } |
| 578 | } while (!outResult.timeout && outResult.who == null); |
| 579 | } |
| 580 | } |
| 581 | } |
| 582 | |
| 583 | return res; |
| 584 | } |
| 585 | } |
| 586 | |
| 587 | final int startActivities(IApplicationThread caller, int callingUid, String callingPackage, |
| 588 | Intent[] intents, String[] resolvedTypes, IBinder resultTo, |
| 589 | Bundle options, int userId) { |
| 590 | if (intents == null) { |
| 591 | throw new NullPointerException("intents is null"); |
| 592 | } |
| 593 | if (resolvedTypes == null) { |
| 594 | throw new NullPointerException("resolvedTypes is null"); |
| 595 | } |
| 596 | if (intents.length != resolvedTypes.length) { |
| 597 | throw new IllegalArgumentException("intents are length different than resolvedTypes"); |
| 598 | } |
| 599 | |
| 600 | ActivityRecord[] outActivity = new ActivityRecord[1]; |
| 601 | |
| 602 | int callingPid; |
| 603 | if (callingUid >= 0) { |
| 604 | callingPid = -1; |
| 605 | } else if (caller == null) { |
| 606 | callingPid = Binder.getCallingPid(); |
| 607 | callingUid = Binder.getCallingUid(); |
| 608 | } else { |
| 609 | callingPid = callingUid = -1; |
| 610 | } |
| 611 | final long origId = Binder.clearCallingIdentity(); |
| 612 | try { |
| 613 | synchronized (mService) { |
| 614 | |
| 615 | for (int i=0; i<intents.length; i++) { |
| 616 | Intent intent = intents[i]; |
| 617 | if (intent == null) { |
| 618 | continue; |
| 619 | } |
| 620 | |
| 621 | // Refuse possible leaked file descriptors |
| 622 | if (intent != null && intent.hasFileDescriptors()) { |
| 623 | throw new IllegalArgumentException("File descriptors passed in Intent"); |
| 624 | } |
| 625 | |
| 626 | boolean componentSpecified = intent.getComponent() != null; |
| 627 | |
| 628 | // Don't modify the client's object! |
| 629 | intent = new Intent(intent); |
| 630 | |
| 631 | // Collect information about the target of the Intent. |
| 632 | ActivityInfo aInfo = resolveActivity(intent, resolvedTypes[i], |
| 633 | 0, null, null, userId); |
| 634 | // TODO: New, check if this is correct |
| 635 | aInfo = mService.getActivityInfoForUser(aInfo, userId); |
| 636 | |
| 637 | if (aInfo != null && |
| 638 | (aInfo.applicationInfo.flags & ApplicationInfo.FLAG_CANT_SAVE_STATE) |
| 639 | != 0) { |
| 640 | throw new IllegalArgumentException( |
| 641 | "FLAG_CANT_SAVE_STATE not supported here"); |
| 642 | } |
| 643 | |
| 644 | Bundle theseOptions; |
| 645 | if (options != null && i == intents.length-1) { |
| 646 | theseOptions = options; |
| 647 | } else { |
| 648 | theseOptions = null; |
| 649 | } |
Craig Mautner | 6170f73 | 2013-04-02 13:05:23 -0700 | [diff] [blame] | 650 | int res = startActivityLocked(caller, intent, resolvedTypes[i], |
Craig Mautner | 23ac33b | 2013-04-01 16:26:35 -0700 | [diff] [blame] | 651 | aInfo, resultTo, null, -1, callingPid, callingUid, callingPackage, |
| 652 | 0, theseOptions, componentSpecified, outActivity); |
| 653 | if (res < 0) { |
| 654 | return res; |
| 655 | } |
| 656 | |
| 657 | resultTo = outActivity[0] != null ? outActivity[0].appToken : null; |
| 658 | } |
| 659 | } |
| 660 | } finally { |
| 661 | Binder.restoreCallingIdentity(origId); |
| 662 | } |
| 663 | |
| 664 | return ActivityManager.START_SUCCESS; |
| 665 | } |
| 666 | |
Craig Mautner | 2420ead | 2013-04-01 17:13:20 -0700 | [diff] [blame] | 667 | final boolean realStartActivityLocked(ActivityRecord r, |
| 668 | ProcessRecord app, boolean andResume, boolean checkConfig) |
| 669 | throws RemoteException { |
| 670 | |
| 671 | r.startFreezingScreenLocked(app, 0); |
| 672 | mService.mWindowManager.setAppVisibility(r.appToken, true); |
| 673 | |
| 674 | // schedule launch ticks to collect information about slow apps. |
| 675 | r.startLaunchTickingLocked(); |
| 676 | |
| 677 | // Have the window manager re-evaluate the orientation of |
| 678 | // the screen based on the new activity order. Note that |
| 679 | // as a result of this, it can call back into the activity |
| 680 | // manager with a new orientation. We don't care about that, |
| 681 | // because the activity is not currently running so we are |
| 682 | // just restarting it anyway. |
| 683 | if (checkConfig) { |
| 684 | Configuration config = mService.mWindowManager.updateOrientationFromAppTokens( |
| 685 | mService.mConfiguration, |
| 686 | r.mayFreezeScreenLocked(app) ? r.appToken : null); |
| 687 | mService.updateConfigurationLocked(config, r, false, false); |
| 688 | } |
| 689 | |
| 690 | r.app = app; |
| 691 | app.waitingToKill = null; |
| 692 | r.launchCount++; |
| 693 | r.lastLaunchTime = SystemClock.uptimeMillis(); |
| 694 | |
| 695 | if (localLOGV) Slog.v(TAG, "Launching: " + r); |
| 696 | |
| 697 | int idx = app.activities.indexOf(r); |
| 698 | if (idx < 0) { |
| 699 | app.activities.add(r); |
| 700 | } |
| 701 | mService.updateLruProcessLocked(app, true); |
| 702 | |
| 703 | final ActivityStack stack = r.task.stack; |
| 704 | try { |
| 705 | if (app.thread == null) { |
| 706 | throw new RemoteException(); |
| 707 | } |
| 708 | List<ResultInfo> results = null; |
| 709 | List<Intent> newIntents = null; |
| 710 | if (andResume) { |
| 711 | results = r.results; |
| 712 | newIntents = r.newIntents; |
| 713 | } |
| 714 | if (DEBUG_SWITCH) Slog.v(TAG, "Launching: " + r |
| 715 | + " icicle=" + r.icicle |
| 716 | + " with results=" + results + " newIntents=" + newIntents |
| 717 | + " andResume=" + andResume); |
| 718 | if (andResume) { |
| 719 | EventLog.writeEvent(EventLogTags.AM_RESTART_ACTIVITY, |
| 720 | r.userId, System.identityHashCode(r), |
| 721 | r.task.taskId, r.shortComponentName); |
| 722 | } |
| 723 | if (r.isHomeActivity) { |
| 724 | mService.mHomeProcess = app; |
| 725 | } |
| 726 | mService.ensurePackageDexOpt(r.intent.getComponent().getPackageName()); |
| 727 | r.sleeping = false; |
| 728 | r.forceNewConfig = false; |
| 729 | mService.showAskCompatModeDialogLocked(r); |
| 730 | r.compat = mService.compatibilityInfoForPackageLocked(r.info.applicationInfo); |
| 731 | String profileFile = null; |
| 732 | ParcelFileDescriptor profileFd = null; |
| 733 | boolean profileAutoStop = false; |
| 734 | if (mService.mProfileApp != null && mService.mProfileApp.equals(app.processName)) { |
| 735 | if (mService.mProfileProc == null || mService.mProfileProc == app) { |
| 736 | mService.mProfileProc = app; |
| 737 | profileFile = mService.mProfileFile; |
| 738 | profileFd = mService.mProfileFd; |
| 739 | profileAutoStop = mService.mAutoStopProfiler; |
| 740 | } |
| 741 | } |
| 742 | app.hasShownUi = true; |
| 743 | app.pendingUiClean = true; |
| 744 | if (profileFd != null) { |
| 745 | try { |
| 746 | profileFd = profileFd.dup(); |
| 747 | } catch (IOException e) { |
| 748 | if (profileFd != null) { |
| 749 | try { |
| 750 | profileFd.close(); |
| 751 | } catch (IOException o) { |
| 752 | } |
| 753 | profileFd = null; |
| 754 | } |
| 755 | } |
| 756 | } |
| 757 | app.thread.scheduleLaunchActivity(new Intent(r.intent), r.appToken, |
| 758 | System.identityHashCode(r), r.info, |
| 759 | new Configuration(mService.mConfiguration), |
| 760 | r.compat, r.icicle, results, newIntents, !andResume, |
| 761 | mService.isNextTransitionForward(), profileFile, profileFd, |
| 762 | profileAutoStop); |
| 763 | |
| 764 | if ((app.info.flags&ApplicationInfo.FLAG_CANT_SAVE_STATE) != 0) { |
| 765 | // This may be a heavy-weight process! Note that the package |
| 766 | // manager will ensure that only activity can run in the main |
| 767 | // process of the .apk, which is the only thing that will be |
| 768 | // considered heavy-weight. |
| 769 | if (app.processName.equals(app.info.packageName)) { |
| 770 | if (mService.mHeavyWeightProcess != null |
| 771 | && mService.mHeavyWeightProcess != app) { |
| 772 | Slog.w(TAG, "Starting new heavy weight process " + app |
| 773 | + " when already running " |
| 774 | + mService.mHeavyWeightProcess); |
| 775 | } |
| 776 | mService.mHeavyWeightProcess = app; |
| 777 | Message msg = mService.mHandler.obtainMessage( |
| 778 | ActivityManagerService.POST_HEAVY_NOTIFICATION_MSG); |
| 779 | msg.obj = r; |
| 780 | mService.mHandler.sendMessage(msg); |
| 781 | } |
| 782 | } |
| 783 | |
| 784 | } catch (RemoteException e) { |
| 785 | if (r.launchFailed) { |
| 786 | // This is the second time we failed -- finish activity |
| 787 | // and give up. |
| 788 | Slog.e(TAG, "Second failure launching " |
| 789 | + r.intent.getComponent().flattenToShortString() |
| 790 | + ", giving up", e); |
| 791 | mService.appDiedLocked(app, app.pid, app.thread); |
| 792 | stack.requestFinishActivityLocked(r.appToken, Activity.RESULT_CANCELED, null, |
| 793 | "2nd-crash", false); |
| 794 | return false; |
| 795 | } |
| 796 | |
| 797 | // This is the first time we failed -- restart process and |
| 798 | // retry. |
| 799 | app.activities.remove(r); |
| 800 | throw e; |
| 801 | } |
| 802 | |
| 803 | r.launchFailed = false; |
| 804 | if (stack.updateLRUListLocked(r)) { |
| 805 | Slog.w(TAG, "Activity " + r |
| 806 | + " being launched, but already in LRU list"); |
| 807 | } |
| 808 | |
| 809 | if (andResume) { |
| 810 | // As part of the process of launching, ActivityThread also performs |
| 811 | // a resume. |
| 812 | stack.minimalResumeActivityLocked(r); |
| 813 | } else { |
| 814 | // This activity is not starting in the resumed state... which |
| 815 | // should look like we asked it to pause+stop (but remain visible), |
| 816 | // and it has done so and reported back the current icicle and |
| 817 | // other state. |
| 818 | if (DEBUG_STATES) Slog.v(TAG, "Moving to STOPPED: " + r |
| 819 | + " (starting in stopped state)"); |
| 820 | r.state = ActivityState.STOPPED; |
| 821 | r.stopped = true; |
| 822 | } |
| 823 | |
| 824 | // Launch the new version setup screen if needed. We do this -after- |
| 825 | // launching the initial activity (that is, home), so that it can have |
| 826 | // a chance to initialize itself while in the background, making the |
| 827 | // switch back to it faster and look better. |
Craig Mautner | de4ef02 | 2013-04-07 19:01:33 -0700 | [diff] [blame] | 828 | if (isFrontStack(stack)) { |
Craig Mautner | 2420ead | 2013-04-01 17:13:20 -0700 | [diff] [blame] | 829 | mService.startSetupActivityLocked(); |
| 830 | } |
| 831 | |
| 832 | return true; |
| 833 | } |
| 834 | |
Craig Mautner | e79d4268 | 2013-04-01 19:01:53 -0700 | [diff] [blame] | 835 | void startSpecificActivityLocked(ActivityRecord r, |
| 836 | boolean andResume, boolean checkConfig) { |
| 837 | // Is this activity's application already running? |
| 838 | ProcessRecord app = mService.getProcessRecordLocked(r.processName, |
| 839 | r.info.applicationInfo.uid); |
| 840 | |
| 841 | r.task.stack.setLaunchTime(r); |
| 842 | |
| 843 | if (app != null && app.thread != null) { |
| 844 | try { |
| 845 | app.addPackage(r.info.packageName); |
| 846 | realStartActivityLocked(r, app, andResume, checkConfig); |
| 847 | return; |
| 848 | } catch (RemoteException e) { |
| 849 | Slog.w(TAG, "Exception when starting activity " |
| 850 | + r.intent.getComponent().flattenToShortString(), e); |
| 851 | } |
| 852 | |
| 853 | // If a dead object exception was thrown -- fall through to |
| 854 | // restart the application. |
| 855 | } |
| 856 | |
| 857 | mService.startProcessLocked(r.processName, r.info.applicationInfo, true, 0, |
| 858 | "activity", r.intent.getComponent(), false, false); |
| 859 | } |
| 860 | |
Craig Mautner | 6170f73 | 2013-04-02 13:05:23 -0700 | [diff] [blame] | 861 | final int startActivityLocked(IApplicationThread caller, |
| 862 | Intent intent, String resolvedType, ActivityInfo aInfo, IBinder resultTo, |
| 863 | String resultWho, int requestCode, |
| 864 | int callingPid, int callingUid, String callingPackage, int startFlags, Bundle options, |
| 865 | boolean componentSpecified, ActivityRecord[] outActivity) { |
| 866 | int err = ActivityManager.START_SUCCESS; |
| 867 | |
| 868 | ProcessRecord callerApp = null; |
| 869 | if (caller != null) { |
| 870 | callerApp = mService.getRecordForAppLocked(caller); |
| 871 | if (callerApp != null) { |
| 872 | callingPid = callerApp.pid; |
| 873 | callingUid = callerApp.info.uid; |
| 874 | } else { |
| 875 | Slog.w(TAG, "Unable to find app for caller " + caller |
| 876 | + " (pid=" + callingPid + ") when starting: " |
| 877 | + intent.toString()); |
| 878 | err = ActivityManager.START_PERMISSION_DENIED; |
| 879 | } |
| 880 | } |
| 881 | |
| 882 | if (err == ActivityManager.START_SUCCESS) { |
| 883 | final int userId = aInfo != null ? UserHandle.getUserId(aInfo.applicationInfo.uid) : 0; |
| 884 | Slog.i(TAG, "START u" + userId + " {" + intent.toShortString(true, true, true, false) |
| 885 | + "} from pid " + (callerApp != null ? callerApp.pid : callingPid)); |
| 886 | } |
| 887 | |
| 888 | ActivityRecord sourceRecord = null; |
| 889 | ActivityRecord resultRecord = null; |
| 890 | if (resultTo != null) { |
| 891 | sourceRecord = isInAnyStackLocked(resultTo); |
| 892 | if (DEBUG_RESULTS) Slog.v( |
| 893 | TAG, "Will send result to " + resultTo + " " + sourceRecord); |
| 894 | if (sourceRecord != null) { |
| 895 | if (requestCode >= 0 && !sourceRecord.finishing) { |
| 896 | resultRecord = sourceRecord; |
| 897 | } |
| 898 | } |
| 899 | } |
| 900 | ActivityStack resultStack = resultRecord == null ? null : resultRecord.task.stack; |
| 901 | |
| 902 | int launchFlags = intent.getFlags(); |
| 903 | |
| 904 | if ((launchFlags&Intent.FLAG_ACTIVITY_FORWARD_RESULT) != 0 |
| 905 | && sourceRecord != null) { |
| 906 | // Transfer the result target from the source activity to the new |
| 907 | // one being started, including any failures. |
| 908 | if (requestCode >= 0) { |
| 909 | ActivityOptions.abort(options); |
| 910 | return ActivityManager.START_FORWARD_AND_REQUEST_CONFLICT; |
| 911 | } |
| 912 | resultRecord = sourceRecord.resultTo; |
| 913 | resultWho = sourceRecord.resultWho; |
| 914 | requestCode = sourceRecord.requestCode; |
| 915 | sourceRecord.resultTo = null; |
| 916 | if (resultRecord != null) { |
| 917 | resultRecord.removeResultsLocked( |
| 918 | sourceRecord, resultWho, requestCode); |
| 919 | } |
| 920 | } |
| 921 | |
| 922 | if (err == ActivityManager.START_SUCCESS && intent.getComponent() == null) { |
| 923 | // We couldn't find a class that can handle the given Intent. |
| 924 | // That's the end of that! |
| 925 | err = ActivityManager.START_INTENT_NOT_RESOLVED; |
| 926 | } |
| 927 | |
| 928 | if (err == ActivityManager.START_SUCCESS && aInfo == null) { |
| 929 | // We couldn't find the specific class specified in the Intent. |
| 930 | // Also the end of the line. |
| 931 | err = ActivityManager.START_CLASS_NOT_FOUND; |
| 932 | } |
| 933 | |
| 934 | if (err != ActivityManager.START_SUCCESS) { |
| 935 | if (resultRecord != null) { |
| 936 | resultStack.sendActivityResultLocked(-1, |
| 937 | resultRecord, resultWho, requestCode, |
| 938 | Activity.RESULT_CANCELED, null); |
| 939 | } |
| 940 | setDismissKeyguard(false); |
| 941 | ActivityOptions.abort(options); |
| 942 | return err; |
| 943 | } |
| 944 | |
| 945 | final int startAnyPerm = mService.checkPermission( |
| 946 | START_ANY_ACTIVITY, callingPid, callingUid); |
| 947 | final int componentPerm = mService.checkComponentPermission(aInfo.permission, callingPid, |
| 948 | callingUid, aInfo.applicationInfo.uid, aInfo.exported); |
| 949 | if (startAnyPerm != PERMISSION_GRANTED && componentPerm != PERMISSION_GRANTED) { |
| 950 | if (resultRecord != null) { |
| 951 | resultStack.sendActivityResultLocked(-1, |
| 952 | resultRecord, resultWho, requestCode, |
| 953 | Activity.RESULT_CANCELED, null); |
| 954 | } |
| 955 | setDismissKeyguard(false); |
| 956 | String msg; |
| 957 | if (!aInfo.exported) { |
| 958 | msg = "Permission Denial: starting " + intent.toString() |
| 959 | + " from " + callerApp + " (pid=" + callingPid |
| 960 | + ", uid=" + callingUid + ")" |
| 961 | + " not exported from uid " + aInfo.applicationInfo.uid; |
| 962 | } else { |
| 963 | msg = "Permission Denial: starting " + intent.toString() |
| 964 | + " from " + callerApp + " (pid=" + callingPid |
| 965 | + ", uid=" + callingUid + ")" |
| 966 | + " requires " + aInfo.permission; |
| 967 | } |
| 968 | Slog.w(TAG, msg); |
| 969 | throw new SecurityException(msg); |
| 970 | } |
| 971 | |
Ben Gruver | 6617c3c | 2013-04-03 18:45:22 -0700 | [diff] [blame] | 972 | boolean abort = !mService.mIntentFirewall.checkStartActivity(intent, |
Ben Gruver | 7b879f4 | 2013-04-08 14:56:55 -0700 | [diff] [blame] | 973 | callerApp==null?null:callerApp.info, callingUid, callingPid, resolvedType, aInfo); |
Ben Gruver | 5e20733 | 2013-04-03 17:41:37 -0700 | [diff] [blame] | 974 | |
Craig Mautner | 6170f73 | 2013-04-02 13:05:23 -0700 | [diff] [blame] | 975 | if (mService.mController != null) { |
Craig Mautner | 6170f73 | 2013-04-02 13:05:23 -0700 | [diff] [blame] | 976 | try { |
| 977 | // The Intent we give to the watcher has the extra data |
| 978 | // stripped off, since it can contain private information. |
| 979 | Intent watchIntent = intent.cloneFilter(); |
Ben Gruver | 5e20733 | 2013-04-03 17:41:37 -0700 | [diff] [blame] | 980 | abort |= !mService.mController.activityStarting(watchIntent, |
Craig Mautner | 6170f73 | 2013-04-02 13:05:23 -0700 | [diff] [blame] | 981 | aInfo.applicationInfo.packageName); |
| 982 | } catch (RemoteException e) { |
| 983 | mService.mController = null; |
| 984 | } |
Ben Gruver | 5e20733 | 2013-04-03 17:41:37 -0700 | [diff] [blame] | 985 | } |
Craig Mautner | 6170f73 | 2013-04-02 13:05:23 -0700 | [diff] [blame] | 986 | |
Ben Gruver | 5e20733 | 2013-04-03 17:41:37 -0700 | [diff] [blame] | 987 | if (abort) { |
| 988 | if (resultRecord != null) { |
| 989 | resultStack.sendActivityResultLocked(-1, resultRecord, resultWho, requestCode, |
Craig Mautner | 6170f73 | 2013-04-02 13:05:23 -0700 | [diff] [blame] | 990 | Activity.RESULT_CANCELED, null); |
Craig Mautner | 6170f73 | 2013-04-02 13:05:23 -0700 | [diff] [blame] | 991 | } |
Ben Gruver | 5e20733 | 2013-04-03 17:41:37 -0700 | [diff] [blame] | 992 | // We pretend to the caller that it was really started, but |
| 993 | // they will just get a cancel result. |
| 994 | setDismissKeyguard(false); |
| 995 | ActivityOptions.abort(options); |
| 996 | return ActivityManager.START_SUCCESS; |
Craig Mautner | 6170f73 | 2013-04-02 13:05:23 -0700 | [diff] [blame] | 997 | } |
| 998 | |
| 999 | ActivityRecord r = new ActivityRecord(mService, callerApp, callingUid, callingPackage, |
| 1000 | intent, resolvedType, aInfo, mService.mConfiguration, |
Craig Mautner | de4ef02 | 2013-04-07 19:01:33 -0700 | [diff] [blame] | 1001 | resultRecord, resultWho, requestCode, componentSpecified, this); |
Craig Mautner | 6170f73 | 2013-04-02 13:05:23 -0700 | [diff] [blame] | 1002 | if (outActivity != null) { |
| 1003 | outActivity[0] = r; |
| 1004 | } |
| 1005 | |
Craig Mautner | de4ef02 | 2013-04-07 19:01:33 -0700 | [diff] [blame] | 1006 | final ActivityStack stack = getTopStack(); |
| 1007 | if (stack.mResumedActivity == null |
| 1008 | || stack.mResumedActivity.info.applicationInfo.uid != callingUid) { |
Craig Mautner | 6170f73 | 2013-04-02 13:05:23 -0700 | [diff] [blame] | 1009 | if (!mService.checkAppSwitchAllowedLocked(callingPid, callingUid, "Activity start")) { |
| 1010 | PendingActivityLaunch pal = |
Craig Mautner | de4ef02 | 2013-04-07 19:01:33 -0700 | [diff] [blame] | 1011 | new PendingActivityLaunch(r, sourceRecord, startFlags, stack); |
Craig Mautner | 6170f73 | 2013-04-02 13:05:23 -0700 | [diff] [blame] | 1012 | mService.mPendingActivityLaunches.add(pal); |
| 1013 | setDismissKeyguard(false); |
| 1014 | ActivityOptions.abort(options); |
| 1015 | return ActivityManager.START_SWITCHES_CANCELED; |
| 1016 | } |
| 1017 | } |
| 1018 | |
| 1019 | if (mService.mDidAppSwitch) { |
| 1020 | // This is the second allowed switch since we stopped switches, |
| 1021 | // so now just generally allow switches. Use case: user presses |
| 1022 | // home (switches disabled, switch to home, mDidAppSwitch now true); |
| 1023 | // user taps a home icon (coming from home so allowed, we hit here |
| 1024 | // and now allow anyone to switch again). |
| 1025 | mService.mAppSwitchesAllowedTime = 0; |
| 1026 | } else { |
| 1027 | mService.mDidAppSwitch = true; |
| 1028 | } |
| 1029 | |
| 1030 | mService.doPendingActivityLaunchesLocked(false); |
| 1031 | |
Craig Mautner | 8849a5e | 2013-04-02 16:41:03 -0700 | [diff] [blame] | 1032 | err = startActivityUncheckedLocked(r, sourceRecord, startFlags, true, options); |
Craig Mautner | de4ef02 | 2013-04-07 19:01:33 -0700 | [diff] [blame] | 1033 | if (stack.mPausingActivity == null) { |
Craig Mautner | 6170f73 | 2013-04-02 13:05:23 -0700 | [diff] [blame] | 1034 | // Someone asked to have the keyguard dismissed on the next |
| 1035 | // activity start, but we are not actually doing an activity |
| 1036 | // switch... just dismiss the keyguard now, because we |
| 1037 | // probably want to see whatever is behind it. |
| 1038 | dismissKeyguard(); |
| 1039 | } |
| 1040 | return err; |
| 1041 | } |
| 1042 | |
Craig Mautner | de4ef02 | 2013-04-07 19:01:33 -0700 | [diff] [blame] | 1043 | ActivityStack getCorrectStack(ActivityRecord r) { |
| 1044 | if (!r.isHomeActivity) { |
| 1045 | if (mStacks.size() == 1) { |
| 1046 | // Time to create the first app stack. |
| 1047 | int stackId = |
| 1048 | mService.createStack(HOME_STACK_ID, StackBox.TASK_STACK_GOES_OVER, 1.0f); |
| 1049 | mMainStack = getStack(stackId); |
| 1050 | } |
| 1051 | return mMainStack; |
| 1052 | } |
| 1053 | return mHomeStack; |
| 1054 | } |
| 1055 | |
Craig Mautner | 8849a5e | 2013-04-02 16:41:03 -0700 | [diff] [blame] | 1056 | final int startActivityUncheckedLocked(ActivityRecord r, |
| 1057 | ActivityRecord sourceRecord, int startFlags, boolean doResume, |
| 1058 | Bundle options) { |
| 1059 | final Intent intent = r.intent; |
| 1060 | final int callingUid = r.launchedFromUid; |
| 1061 | |
| 1062 | int launchFlags = intent.getFlags(); |
| 1063 | |
Craig Mautner | 8849a5e | 2013-04-02 16:41:03 -0700 | [diff] [blame] | 1064 | // We'll invoke onUserLeaving before onPause only if the launching |
| 1065 | // activity did not explicitly state that this is an automated launch. |
Craig Mautner | de4ef02 | 2013-04-07 19:01:33 -0700 | [diff] [blame] | 1066 | mUserLeaving = (launchFlags&Intent.FLAG_ACTIVITY_NO_USER_ACTION) == 0; |
| 1067 | if (DEBUG_USER_LEAVING) Slog.v(TAG, "startActivity() => mUserLeaving=" + mUserLeaving); |
Craig Mautner | 8849a5e | 2013-04-02 16:41:03 -0700 | [diff] [blame] | 1068 | |
| 1069 | // If the caller has asked not to resume at this point, we make note |
| 1070 | // of this in the record so that we can skip it when trying to find |
| 1071 | // the top running activity. |
| 1072 | if (!doResume) { |
| 1073 | r.delayedResume = true; |
| 1074 | } |
| 1075 | |
| 1076 | ActivityRecord notTop = (launchFlags&Intent.FLAG_ACTIVITY_PREVIOUS_IS_TOP) != 0 ? r : null; |
| 1077 | |
| 1078 | // If the onlyIfNeeded flag is set, then we can do this if the activity |
| 1079 | // being launched is the same as the one making the call... or, as |
| 1080 | // a special case, if we do not know the caller then we count the |
| 1081 | // current top activity as the caller. |
| 1082 | if ((startFlags&ActivityManager.START_FLAG_ONLY_IF_NEEDED) != 0) { |
| 1083 | ActivityRecord checkedCaller = sourceRecord; |
| 1084 | if (checkedCaller == null) { |
Craig Mautner | de4ef02 | 2013-04-07 19:01:33 -0700 | [diff] [blame] | 1085 | checkedCaller = getTopStack().topRunningNonDelayedActivityLocked(notTop); |
Craig Mautner | 8849a5e | 2013-04-02 16:41:03 -0700 | [diff] [blame] | 1086 | } |
| 1087 | if (!checkedCaller.realActivity.equals(r.realActivity)) { |
| 1088 | // Caller is not the same as launcher, so always needed. |
| 1089 | startFlags &= ~ActivityManager.START_FLAG_ONLY_IF_NEEDED; |
| 1090 | } |
| 1091 | } |
| 1092 | |
| 1093 | if (sourceRecord == null) { |
| 1094 | // This activity is not being started from another... in this |
| 1095 | // case we -always- start a new task. |
| 1096 | if ((launchFlags&Intent.FLAG_ACTIVITY_NEW_TASK) == 0) { |
| 1097 | Slog.w(TAG, "startActivity called from non-Activity context; forcing Intent.FLAG_ACTIVITY_NEW_TASK for: " |
| 1098 | + intent); |
| 1099 | launchFlags |= Intent.FLAG_ACTIVITY_NEW_TASK; |
| 1100 | } |
| 1101 | } else if (sourceRecord.launchMode == ActivityInfo.LAUNCH_SINGLE_INSTANCE) { |
| 1102 | // The original activity who is starting us is running as a single |
| 1103 | // instance... this new activity it is starting must go on its |
| 1104 | // own task. |
| 1105 | launchFlags |= Intent.FLAG_ACTIVITY_NEW_TASK; |
| 1106 | } else if (r.launchMode == ActivityInfo.LAUNCH_SINGLE_INSTANCE |
| 1107 | || r.launchMode == ActivityInfo.LAUNCH_SINGLE_TASK) { |
| 1108 | // The activity being started is a single instance... it always |
| 1109 | // gets launched into its own task. |
| 1110 | launchFlags |= Intent.FLAG_ACTIVITY_NEW_TASK; |
| 1111 | } |
| 1112 | |
Craig Mautner | de4ef02 | 2013-04-07 19:01:33 -0700 | [diff] [blame] | 1113 | final ActivityStack sourceStack; |
| 1114 | final TaskRecord sourceTask; |
| 1115 | if (sourceRecord != null) { |
| 1116 | sourceTask = sourceRecord.task; |
| 1117 | sourceStack = sourceTask.stack; |
| 1118 | } else { |
| 1119 | sourceTask = null; |
| 1120 | sourceStack = null; |
| 1121 | } |
| 1122 | |
Craig Mautner | 8849a5e | 2013-04-02 16:41:03 -0700 | [diff] [blame] | 1123 | if (r.resultTo != null && (launchFlags&Intent.FLAG_ACTIVITY_NEW_TASK) != 0) { |
| 1124 | // For whatever reason this activity is being launched into a new |
| 1125 | // task... yet the caller has requested a result back. Well, that |
| 1126 | // is pretty messed up, so instead immediately send back a cancel |
| 1127 | // and let the new task continue launched as normal without a |
| 1128 | // dependency on its originator. |
| 1129 | Slog.w(TAG, "Activity is launching as a new task, so cancelling activity result."); |
| 1130 | r.resultTo.task.stack.sendActivityResultLocked(-1, |
| 1131 | r.resultTo, r.resultWho, r.requestCode, |
| 1132 | Activity.RESULT_CANCELED, null); |
| 1133 | r.resultTo = null; |
| 1134 | } |
| 1135 | |
| 1136 | boolean addingToTask = false; |
| 1137 | boolean movedHome = false; |
| 1138 | TaskRecord reuseTask = null; |
Craig Mautner | de4ef02 | 2013-04-07 19:01:33 -0700 | [diff] [blame] | 1139 | ActivityStack targetStack; |
Craig Mautner | 8849a5e | 2013-04-02 16:41:03 -0700 | [diff] [blame] | 1140 | if (((launchFlags&Intent.FLAG_ACTIVITY_NEW_TASK) != 0 && |
| 1141 | (launchFlags&Intent.FLAG_ACTIVITY_MULTIPLE_TASK) == 0) |
| 1142 | || r.launchMode == ActivityInfo.LAUNCH_SINGLE_TASK |
| 1143 | || r.launchMode == ActivityInfo.LAUNCH_SINGLE_INSTANCE) { |
| 1144 | // If bring to front is requested, and no result is requested, and |
| 1145 | // we can find a task that was started with this same |
| 1146 | // component, then instead of launching bring that one to the front. |
| 1147 | if (r.resultTo == null) { |
| 1148 | // See if there is a task to bring to the front. If this is |
| 1149 | // a SINGLE_INSTANCE activity, there can be one and only one |
| 1150 | // instance of it in the history, and it is always in its own |
| 1151 | // unique task, so we do a special search. |
| 1152 | ActivityRecord intentActivity = r.launchMode != ActivityInfo.LAUNCH_SINGLE_INSTANCE |
| 1153 | ? findTaskLocked(intent, r.info) |
| 1154 | : findActivityLocked(intent, r.info); |
| 1155 | if (intentActivity != null) { |
| 1156 | targetStack = intentActivity.task.stack; |
Craig Mautner | de4ef02 | 2013-04-07 19:01:33 -0700 | [diff] [blame] | 1157 | moveHomeStack(targetStack.isHomeStack()); |
Craig Mautner | 8849a5e | 2013-04-02 16:41:03 -0700 | [diff] [blame] | 1158 | if (intentActivity.task.intent == null) { |
| 1159 | // This task was started because of movement of |
| 1160 | // the activity based on affinity... now that we |
| 1161 | // are actually launching it, we can assign the |
| 1162 | // base intent. |
| 1163 | intentActivity.task.setIntent(intent, r.info); |
| 1164 | } |
| 1165 | // If the target task is not in the front, then we need |
| 1166 | // to bring it to the front... except... well, with |
| 1167 | // SINGLE_TASK_LAUNCH it's not entirely clear. We'd like |
| 1168 | // to have the same behavior as if a new instance was |
| 1169 | // being started, which means not bringing it to the front |
| 1170 | // if the caller is not itself in the front. |
Craig Mautner | de4ef02 | 2013-04-07 19:01:33 -0700 | [diff] [blame] | 1171 | ActivityRecord curTop = |
| 1172 | targetStack.topRunningNonDelayedActivityLocked(notTop); |
Craig Mautner | 8849a5e | 2013-04-02 16:41:03 -0700 | [diff] [blame] | 1173 | if (curTop != null && curTop.task != intentActivity.task) { |
| 1174 | r.intent.addFlags(Intent.FLAG_ACTIVITY_BROUGHT_TO_FRONT); |
Craig Mautner | de4ef02 | 2013-04-07 19:01:33 -0700 | [diff] [blame] | 1175 | if (sourceRecord == null || sourceStack.topActivity() == sourceRecord) { |
Craig Mautner | 8849a5e | 2013-04-02 16:41:03 -0700 | [diff] [blame] | 1176 | // We really do want to push this one into the |
| 1177 | // user's face, right now. |
| 1178 | movedHome = true; |
Craig Mautner | de4ef02 | 2013-04-07 19:01:33 -0700 | [diff] [blame] | 1179 | if ((launchFlags & |
| 1180 | (Intent.FLAG_ACTIVITY_NEW_TASK|Intent.FLAG_ACTIVITY_TASK_ON_HOME)) |
| 1181 | == (Intent.FLAG_ACTIVITY_NEW_TASK|Intent.FLAG_ACTIVITY_TASK_ON_HOME)) { |
| 1182 | // Caller wants to appear on home activity, so before starting |
| 1183 | // their own activity we will bring home to the front. |
| 1184 | r.mLaunchHomeTaskNext = true; |
| 1185 | } |
Craig Mautner | 8849a5e | 2013-04-02 16:41:03 -0700 | [diff] [blame] | 1186 | targetStack.moveTaskToFrontLocked(intentActivity.task, r, options); |
| 1187 | options = null; |
| 1188 | } |
| 1189 | } |
| 1190 | // If the caller has requested that the target task be |
| 1191 | // reset, then do so. |
| 1192 | if ((launchFlags&Intent.FLAG_ACTIVITY_RESET_TASK_IF_NEEDED) != 0) { |
| 1193 | intentActivity = targetStack.resetTaskIfNeededLocked(intentActivity, r); |
| 1194 | } |
| 1195 | if ((startFlags&ActivityManager.START_FLAG_ONLY_IF_NEEDED) != 0) { |
| 1196 | // We don't need to start a new activity, and |
| 1197 | // the client said not to do anything if that |
| 1198 | // is the case, so this is it! And for paranoia, make |
| 1199 | // sure we have correctly resumed the top activity. |
| 1200 | if (doResume) { |
Craig Mautner | de4ef02 | 2013-04-07 19:01:33 -0700 | [diff] [blame] | 1201 | setLaunchHomeTaskNextFlag(sourceRecord, null, targetStack); |
Craig Mautner | 8849a5e | 2013-04-02 16:41:03 -0700 | [diff] [blame] | 1202 | targetStack.resumeTopActivityLocked(null, options); |
| 1203 | } else { |
| 1204 | ActivityOptions.abort(options); |
| 1205 | } |
| 1206 | return ActivityManager.START_RETURN_INTENT_TO_CALLER; |
| 1207 | } |
| 1208 | if ((launchFlags & |
| 1209 | (Intent.FLAG_ACTIVITY_NEW_TASK|Intent.FLAG_ACTIVITY_CLEAR_TASK)) |
| 1210 | == (Intent.FLAG_ACTIVITY_NEW_TASK|Intent.FLAG_ACTIVITY_CLEAR_TASK)) { |
| 1211 | // The caller has requested to completely replace any |
| 1212 | // existing task with its new activity. Well that should |
| 1213 | // not be too hard... |
| 1214 | reuseTask = intentActivity.task; |
| 1215 | reuseTask.performClearTaskLocked(); |
| 1216 | reuseTask.setIntent(r.intent, r.info); |
| 1217 | } else if ((launchFlags&Intent.FLAG_ACTIVITY_CLEAR_TOP) != 0 |
| 1218 | || r.launchMode == ActivityInfo.LAUNCH_SINGLE_TASK |
| 1219 | || r.launchMode == ActivityInfo.LAUNCH_SINGLE_INSTANCE) { |
| 1220 | // In this situation we want to remove all activities |
| 1221 | // from the task up to the one being started. In most |
| 1222 | // cases this means we are resetting the task to its |
| 1223 | // initial state. |
| 1224 | ActivityRecord top = |
| 1225 | intentActivity.task.performClearTaskLocked(r, launchFlags); |
| 1226 | if (top != null) { |
| 1227 | if (top.frontOfTask) { |
| 1228 | // Activity aliases may mean we use different |
| 1229 | // intents for the top activity, so make sure |
| 1230 | // the task now has the identity of the new |
| 1231 | // intent. |
| 1232 | top.task.setIntent(r.intent, r.info); |
| 1233 | } |
| 1234 | ActivityStack.logStartActivity(EventLogTags.AM_NEW_INTENT, |
| 1235 | r, top.task); |
| 1236 | top.deliverNewIntentLocked(callingUid, r.intent); |
| 1237 | } else { |
| 1238 | // A special case: we need to |
| 1239 | // start the activity because it is not currently |
| 1240 | // running, and the caller has asked to clear the |
| 1241 | // current task to have this activity at the top. |
| 1242 | addingToTask = true; |
| 1243 | // Now pretend like this activity is being started |
| 1244 | // by the top of its task, so it is put in the |
| 1245 | // right place. |
| 1246 | sourceRecord = intentActivity; |
| 1247 | } |
| 1248 | } else if (r.realActivity.equals(intentActivity.task.realActivity)) { |
| 1249 | // In this case the top activity on the task is the |
| 1250 | // same as the one being launched, so we take that |
| 1251 | // as a request to bring the task to the foreground. |
| 1252 | // If the top activity in the task is the root |
| 1253 | // activity, deliver this new intent to it if it |
| 1254 | // desires. |
| 1255 | if (((launchFlags&Intent.FLAG_ACTIVITY_SINGLE_TOP) != 0 |
| 1256 | || r.launchMode == ActivityInfo.LAUNCH_SINGLE_TOP) |
| 1257 | && intentActivity.realActivity.equals(r.realActivity)) { |
| 1258 | ActivityStack.logStartActivity(EventLogTags.AM_NEW_INTENT, r, |
| 1259 | intentActivity.task); |
| 1260 | if (intentActivity.frontOfTask) { |
| 1261 | intentActivity.task.setIntent(r.intent, r.info); |
| 1262 | } |
| 1263 | intentActivity.deliverNewIntentLocked(callingUid, r.intent); |
| 1264 | } else if (!r.intent.filterEquals(intentActivity.task.intent)) { |
| 1265 | // In this case we are launching the root activity |
| 1266 | // of the task, but with a different intent. We |
| 1267 | // should start a new instance on top. |
| 1268 | addingToTask = true; |
| 1269 | sourceRecord = intentActivity; |
| 1270 | } |
| 1271 | } else if ((launchFlags&Intent.FLAG_ACTIVITY_RESET_TASK_IF_NEEDED) == 0) { |
| 1272 | // In this case an activity is being launched in to an |
| 1273 | // existing task, without resetting that task. This |
| 1274 | // is typically the situation of launching an activity |
| 1275 | // from a notification or shortcut. We want to place |
| 1276 | // the new activity on top of the current task. |
| 1277 | addingToTask = true; |
| 1278 | sourceRecord = intentActivity; |
| 1279 | } else if (!intentActivity.task.rootWasReset) { |
| 1280 | // In this case we are launching in to an existing task |
| 1281 | // that has not yet been started from its front door. |
| 1282 | // The current task has been brought to the front. |
| 1283 | // Ideally, we'd probably like to place this new task |
| 1284 | // at the bottom of its stack, but that's a little hard |
| 1285 | // to do with the current organization of the code so |
| 1286 | // for now we'll just drop it. |
| 1287 | intentActivity.task.setIntent(r.intent, r.info); |
| 1288 | } |
| 1289 | if (!addingToTask && reuseTask == null) { |
| 1290 | // We didn't do anything... but it was needed (a.k.a., client |
| 1291 | // don't use that intent!) And for paranoia, make |
| 1292 | // sure we have correctly resumed the top activity. |
| 1293 | if (doResume) { |
Craig Mautner | de4ef02 | 2013-04-07 19:01:33 -0700 | [diff] [blame] | 1294 | setLaunchHomeTaskNextFlag(sourceRecord, intentActivity, targetStack); |
| 1295 | targetStack.resumeTopActivityLocked(null, options); |
Craig Mautner | 8849a5e | 2013-04-02 16:41:03 -0700 | [diff] [blame] | 1296 | } else { |
| 1297 | ActivityOptions.abort(options); |
| 1298 | } |
| 1299 | return ActivityManager.START_TASK_TO_FRONT; |
| 1300 | } |
| 1301 | } |
| 1302 | } |
| 1303 | } |
| 1304 | |
| 1305 | //String uri = r.intent.toURI(); |
| 1306 | //Intent intent2 = new Intent(uri); |
| 1307 | //Slog.i(TAG, "Given intent: " + r.intent); |
| 1308 | //Slog.i(TAG, "URI is: " + uri); |
| 1309 | //Slog.i(TAG, "To intent: " + intent2); |
| 1310 | |
| 1311 | if (r.packageName != null) { |
| 1312 | // If the activity being launched is the same as the one currently |
| 1313 | // at the top, then we need to check if it should only be launched |
| 1314 | // once. |
Craig Mautner | de4ef02 | 2013-04-07 19:01:33 -0700 | [diff] [blame] | 1315 | ActivityStack topStack = getTopStack(); |
| 1316 | ActivityRecord top = topStack.topRunningNonDelayedActivityLocked(notTop); |
Craig Mautner | 8849a5e | 2013-04-02 16:41:03 -0700 | [diff] [blame] | 1317 | if (top != null && r.resultTo == null) { |
| 1318 | if (top.realActivity.equals(r.realActivity) && top.userId == r.userId) { |
| 1319 | if (top.app != null && top.app.thread != null) { |
| 1320 | if ((launchFlags&Intent.FLAG_ACTIVITY_SINGLE_TOP) != 0 |
| 1321 | || r.launchMode == ActivityInfo.LAUNCH_SINGLE_TOP |
| 1322 | || r.launchMode == ActivityInfo.LAUNCH_SINGLE_TASK) { |
| 1323 | ActivityStack.logStartActivity(EventLogTags.AM_NEW_INTENT, top, |
| 1324 | top.task); |
| 1325 | // For paranoia, make sure we have correctly |
| 1326 | // resumed the top activity. |
| 1327 | if (doResume) { |
Craig Mautner | de4ef02 | 2013-04-07 19:01:33 -0700 | [diff] [blame] | 1328 | setLaunchHomeTaskNextFlag(sourceRecord, null, topStack); |
| 1329 | topStack.resumeTopActivityLocked(null); |
Craig Mautner | 8849a5e | 2013-04-02 16:41:03 -0700 | [diff] [blame] | 1330 | } |
| 1331 | ActivityOptions.abort(options); |
| 1332 | if ((startFlags&ActivityManager.START_FLAG_ONLY_IF_NEEDED) != 0) { |
| 1333 | // We don't need to start a new activity, and |
| 1334 | // the client said not to do anything if that |
| 1335 | // is the case, so this is it! |
| 1336 | return ActivityManager.START_RETURN_INTENT_TO_CALLER; |
| 1337 | } |
| 1338 | top.deliverNewIntentLocked(callingUid, r.intent); |
| 1339 | return ActivityManager.START_DELIVERED_TO_TOP; |
| 1340 | } |
| 1341 | } |
| 1342 | } |
| 1343 | } |
| 1344 | |
| 1345 | } else { |
| 1346 | if (r.resultTo != null) { |
Craig Mautner | de4ef02 | 2013-04-07 19:01:33 -0700 | [diff] [blame] | 1347 | r.resultTo.task.stack.sendActivityResultLocked(-1, r.resultTo, r.resultWho, |
| 1348 | r.requestCode, Activity.RESULT_CANCELED, null); |
Craig Mautner | 8849a5e | 2013-04-02 16:41:03 -0700 | [diff] [blame] | 1349 | } |
| 1350 | ActivityOptions.abort(options); |
| 1351 | return ActivityManager.START_CLASS_NOT_FOUND; |
| 1352 | } |
| 1353 | |
| 1354 | boolean newTask = false; |
| 1355 | boolean keepCurTransition = false; |
| 1356 | |
| 1357 | // Should this be considered a new task? |
| 1358 | if (r.resultTo == null && !addingToTask |
| 1359 | && (launchFlags&Intent.FLAG_ACTIVITY_NEW_TASK) != 0) { |
Craig Mautner | de4ef02 | 2013-04-07 19:01:33 -0700 | [diff] [blame] | 1360 | targetStack = getCorrectStack(r); |
| 1361 | moveHomeStack(targetStack.isHomeStack()); |
Craig Mautner | 8849a5e | 2013-04-02 16:41:03 -0700 | [diff] [blame] | 1362 | if (reuseTask == null) { |
Craig Mautner | de4ef02 | 2013-04-07 19:01:33 -0700 | [diff] [blame] | 1363 | r.setTask(targetStack.createTaskRecord(getNextTaskId(), r.info, intent, true), |
| 1364 | null, true); |
| 1365 | if (DEBUG_TASKS) Slog.v(TAG, "Starting new activity " + r + " in new task " + |
| 1366 | r.task); |
Craig Mautner | 8849a5e | 2013-04-02 16:41:03 -0700 | [diff] [blame] | 1367 | } else { |
Craig Mautner | de4ef02 | 2013-04-07 19:01:33 -0700 | [diff] [blame] | 1368 | r.setTask(reuseTask, reuseTask, true); |
Craig Mautner | 8849a5e | 2013-04-02 16:41:03 -0700 | [diff] [blame] | 1369 | } |
| 1370 | newTask = true; |
| 1371 | if (!movedHome) { |
Craig Mautner | de4ef02 | 2013-04-07 19:01:33 -0700 | [diff] [blame] | 1372 | if ((launchFlags & |
| 1373 | (Intent.FLAG_ACTIVITY_NEW_TASK|Intent.FLAG_ACTIVITY_TASK_ON_HOME)) |
| 1374 | == (Intent.FLAG_ACTIVITY_NEW_TASK|Intent.FLAG_ACTIVITY_TASK_ON_HOME)) { |
| 1375 | // Caller wants to appear on home activity, so before starting |
| 1376 | // their own activity we will bring home to the front. |
| 1377 | r.mLaunchHomeTaskNext = true; |
| 1378 | } |
Craig Mautner | 8849a5e | 2013-04-02 16:41:03 -0700 | [diff] [blame] | 1379 | } |
Craig Mautner | 8849a5e | 2013-04-02 16:41:03 -0700 | [diff] [blame] | 1380 | } else if (sourceRecord != null) { |
Craig Mautner | de4ef02 | 2013-04-07 19:01:33 -0700 | [diff] [blame] | 1381 | targetStack = sourceRecord.task.stack; |
| 1382 | moveHomeStack(targetStack.isHomeStack()); |
Craig Mautner | 8849a5e | 2013-04-02 16:41:03 -0700 | [diff] [blame] | 1383 | if (!addingToTask && |
| 1384 | (launchFlags&Intent.FLAG_ACTIVITY_CLEAR_TOP) != 0) { |
| 1385 | // In this case, we are adding the activity to an existing |
| 1386 | // task, but the caller has asked to clear that task if the |
| 1387 | // activity is already running. |
| 1388 | ActivityRecord top = sourceRecord.task.performClearTaskLocked(r, launchFlags); |
| 1389 | keepCurTransition = true; |
| 1390 | if (top != null) { |
| 1391 | ActivityStack.logStartActivity(EventLogTags.AM_NEW_INTENT, r, top.task); |
| 1392 | top.deliverNewIntentLocked(callingUid, r.intent); |
| 1393 | // For paranoia, make sure we have correctly |
| 1394 | // resumed the top activity. |
| 1395 | if (doResume) { |
Craig Mautner | de4ef02 | 2013-04-07 19:01:33 -0700 | [diff] [blame] | 1396 | setLaunchHomeTaskNextFlag(sourceRecord, null, targetStack); |
Craig Mautner | 8849a5e | 2013-04-02 16:41:03 -0700 | [diff] [blame] | 1397 | targetStack.resumeTopActivityLocked(null); |
| 1398 | } |
| 1399 | ActivityOptions.abort(options); |
| 1400 | return ActivityManager.START_DELIVERED_TO_TOP; |
| 1401 | } |
| 1402 | } else if (!addingToTask && |
| 1403 | (launchFlags&Intent.FLAG_ACTIVITY_REORDER_TO_FRONT) != 0) { |
| 1404 | // In this case, we are launching an activity in our own task |
| 1405 | // that may already be running somewhere in the history, and |
| 1406 | // we want to shuffle it to the front of the stack if so. |
| 1407 | final ActivityRecord top = |
| 1408 | targetStack.findActivityInHistoryLocked(r, sourceRecord.task); |
| 1409 | if (top != null) { |
Craig Mautner | de4ef02 | 2013-04-07 19:01:33 -0700 | [diff] [blame] | 1410 | final TaskRecord task = top.task; |
| 1411 | task.moveActivityToFrontLocked(top); |
| 1412 | ActivityStack.logStartActivity(EventLogTags.AM_NEW_INTENT, r, task); |
Craig Mautner | 8849a5e | 2013-04-02 16:41:03 -0700 | [diff] [blame] | 1413 | top.updateOptionsLocked(options); |
| 1414 | top.deliverNewIntentLocked(callingUid, r.intent); |
| 1415 | if (doResume) { |
Craig Mautner | de4ef02 | 2013-04-07 19:01:33 -0700 | [diff] [blame] | 1416 | setLaunchHomeTaskNextFlag(sourceRecord, null, targetStack); |
Craig Mautner | 8849a5e | 2013-04-02 16:41:03 -0700 | [diff] [blame] | 1417 | targetStack.resumeTopActivityLocked(null); |
| 1418 | } |
| 1419 | return ActivityManager.START_DELIVERED_TO_TOP; |
| 1420 | } |
| 1421 | } |
| 1422 | // An existing activity is starting this new activity, so we want |
| 1423 | // to keep the new one in the same task as the one that is starting |
| 1424 | // it. |
Craig Mautner | de4ef02 | 2013-04-07 19:01:33 -0700 | [diff] [blame] | 1425 | r.setTask(sourceRecord.task, sourceRecord.thumbHolder, false); |
Craig Mautner | 8849a5e | 2013-04-02 16:41:03 -0700 | [diff] [blame] | 1426 | if (DEBUG_TASKS) Slog.v(TAG, "Starting new activity " + r |
| 1427 | + " in existing task " + r.task); |
| 1428 | |
| 1429 | } else { |
| 1430 | // This not being started from an existing activity, and not part |
| 1431 | // of a new task... just put it in the top task, though these days |
| 1432 | // this case should never happen. |
Craig Mautner | de4ef02 | 2013-04-07 19:01:33 -0700 | [diff] [blame] | 1433 | targetStack = getLastStack(); |
| 1434 | moveHomeStack(targetStack.isHomeStack()); |
| 1435 | ActivityRecord prev = targetStack.topActivity(); |
| 1436 | r.setTask(prev != null ? prev.task |
| 1437 | : targetStack.createTaskRecord(getNextTaskId(), r.info, intent, true), |
| 1438 | null, true); |
Craig Mautner | 8849a5e | 2013-04-02 16:41:03 -0700 | [diff] [blame] | 1439 | if (DEBUG_TASKS) Slog.v(TAG, "Starting new activity " + r |
| 1440 | + " in new guessed " + r.task); |
| 1441 | } |
| 1442 | |
| 1443 | mService.grantUriPermissionFromIntentLocked(callingUid, r.packageName, |
| 1444 | intent, r.getUriPermissionsLocked()); |
| 1445 | |
| 1446 | if (newTask) { |
| 1447 | EventLog.writeEvent(EventLogTags.AM_CREATE_TASK, r.userId, r.task.taskId); |
| 1448 | } |
| 1449 | ActivityStack.logStartActivity(EventLogTags.AM_CREATE_ACTIVITY, r, r.task); |
Craig Mautner | de4ef02 | 2013-04-07 19:01:33 -0700 | [diff] [blame] | 1450 | setLaunchHomeTaskNextFlag(sourceRecord, r, targetStack); |
Craig Mautner | 8849a5e | 2013-04-02 16:41:03 -0700 | [diff] [blame] | 1451 | targetStack.startActivityLocked(r, newTask, doResume, keepCurTransition, options); |
| 1452 | return ActivityManager.START_SUCCESS; |
| 1453 | } |
| 1454 | |
Craig Mautner | 8d341ef | 2013-03-26 09:03:27 -0700 | [diff] [blame] | 1455 | void handleAppDiedLocked(ProcessRecord app, boolean restarting) { |
| 1456 | // Just in case. |
| 1457 | final int numStacks = mStacks.size(); |
| 1458 | for (int stackNdx = 0; stackNdx < numStacks; ++stackNdx) { |
Craig Mautner | e79d4268 | 2013-04-01 19:01:53 -0700 | [diff] [blame] | 1459 | mStacks.get(stackNdx).handleAppDiedLocked(app, restarting); |
Craig Mautner | 8d341ef | 2013-03-26 09:03:27 -0700 | [diff] [blame] | 1460 | } |
| 1461 | } |
| 1462 | |
| 1463 | void closeSystemDialogsLocked() { |
| 1464 | final int numStacks = mStacks.size(); |
| 1465 | for (int stackNdx = 0; stackNdx < numStacks; ++stackNdx) { |
| 1466 | final ActivityStack stack = mStacks.get(stackNdx); |
| 1467 | stack.closeSystemDialogsLocked(); |
| 1468 | } |
| 1469 | } |
| 1470 | |
| 1471 | /** |
| 1472 | * @return true if some activity was finished (or would have finished if doit were true). |
| 1473 | */ |
| 1474 | boolean forceStopPackageLocked(String name, boolean doit, boolean evenPersistent, int userId) { |
| 1475 | boolean didSomething = false; |
| 1476 | final int numStacks = mStacks.size(); |
| 1477 | for (int stackNdx = 0; stackNdx < numStacks; ++stackNdx) { |
| 1478 | final ActivityStack stack = mStacks.get(stackNdx); |
| 1479 | if (stack.forceStopPackageLocked(name, doit, evenPersistent, userId)) { |
| 1480 | didSomething = true; |
| 1481 | } |
| 1482 | } |
| 1483 | return didSomething; |
| 1484 | } |
| 1485 | |
| 1486 | void resumeTopActivityLocked() { |
Craig Mautner | dbcb31f | 2013-04-02 12:32:53 -0700 | [diff] [blame] | 1487 | for (int stackNdx = mStacks.size() - 1; stackNdx >= 0; --stackNdx) { |
Craig Mautner | 8d341ef | 2013-03-26 09:03:27 -0700 | [diff] [blame] | 1488 | mStacks.get(stackNdx).resumeTopActivityLocked(null); |
| 1489 | } |
| 1490 | } |
| 1491 | |
| 1492 | void finishTopRunningActivityLocked(ProcessRecord app) { |
| 1493 | final int numStacks = mStacks.size(); |
| 1494 | for (int stackNdx = 0; stackNdx < numStacks; ++stackNdx) { |
| 1495 | final ActivityStack stack = mStacks.get(stackNdx); |
| 1496 | stack.finishTopRunningActivityLocked(app); |
| 1497 | } |
| 1498 | } |
| 1499 | |
| 1500 | void scheduleIdleLocked() { |
| 1501 | for (int stackNdx = mStacks.size() - 1; stackNdx >= 0; --stackNdx) { |
| 1502 | mStacks.get(stackNdx).scheduleIdleLocked(); |
| 1503 | } |
| 1504 | } |
| 1505 | |
| 1506 | void findTaskToMoveToFrontLocked(int taskId, int flags, Bundle options) { |
| 1507 | for (int stackNdx = mStacks.size() - 1; stackNdx >= 0; --stackNdx) { |
| 1508 | if (mStacks.get(stackNdx).findTaskToMoveToFrontLocked(taskId, flags, options)) { |
| 1509 | return; |
| 1510 | } |
| 1511 | } |
| 1512 | } |
| 1513 | |
Craig Mautner | 967212c | 2013-04-13 21:10:58 -0700 | [diff] [blame^] | 1514 | ActivityStack getStack(int stackId) { |
Craig Mautner | 8d341ef | 2013-03-26 09:03:27 -0700 | [diff] [blame] | 1515 | for (int stackNdx = mStacks.size() - 1; stackNdx >= 0; --stackNdx) { |
| 1516 | final ActivityStack stack = mStacks.get(stackNdx); |
| 1517 | if (stack.getStackId() == stackId) { |
| 1518 | return stack; |
| 1519 | } |
| 1520 | } |
| 1521 | return null; |
| 1522 | } |
| 1523 | |
Craig Mautner | 967212c | 2013-04-13 21:10:58 -0700 | [diff] [blame^] | 1524 | ArrayList<ActivityStack> getStacks() { |
| 1525 | return new ArrayList<ActivityStack>(mStacks); |
| 1526 | } |
| 1527 | |
| 1528 | int createStack() { |
Craig Mautner | 8d341ef | 2013-03-26 09:03:27 -0700 | [diff] [blame] | 1529 | synchronized (this) { |
| 1530 | while (true) { |
| 1531 | if (++mLastStackId <= HOME_STACK_ID) { |
| 1532 | mLastStackId = HOME_STACK_ID + 1; |
| 1533 | } |
| 1534 | if (getStack(mLastStackId) == null) { |
| 1535 | break; |
| 1536 | } |
| 1537 | } |
Craig Mautner | 2420ead | 2013-04-01 17:13:20 -0700 | [diff] [blame] | 1538 | mStacks.add(new ActivityStack(mService, mContext, mLooper, mLastStackId, this, |
| 1539 | mCurrentUser)); |
Craig Mautner | 8d341ef | 2013-03-26 09:03:27 -0700 | [diff] [blame] | 1540 | return mLastStackId; |
| 1541 | } |
| 1542 | } |
| 1543 | |
| 1544 | void moveTaskToStack(int taskId, int stackId, boolean toTop) { |
| 1545 | final ActivityStack stack = getStack(stackId); |
| 1546 | if (stack == null) { |
| 1547 | Slog.w(TAG, "moveTaskToStack: no stack for id=" + stackId); |
| 1548 | return; |
| 1549 | } |
| 1550 | stack.moveTask(taskId, toTop); |
Craig Mautner | 967212c | 2013-04-13 21:10:58 -0700 | [diff] [blame^] | 1551 | stack.resumeTopActivityLocked(null); |
Craig Mautner | 8d341ef | 2013-03-26 09:03:27 -0700 | [diff] [blame] | 1552 | } |
| 1553 | |
Craig Mautner | 8849a5e | 2013-04-02 16:41:03 -0700 | [diff] [blame] | 1554 | ActivityRecord findTaskLocked(Intent intent, ActivityInfo info) { |
| 1555 | for (int stackNdx = mStacks.size() - 1; stackNdx >= 0; --stackNdx) { |
| 1556 | final ActivityRecord ar = mStacks.get(stackNdx).findTaskLocked(intent, info); |
| 1557 | if (ar != null) { |
| 1558 | return ar; |
| 1559 | } |
| 1560 | } |
| 1561 | return null; |
| 1562 | } |
| 1563 | |
| 1564 | ActivityRecord findActivityLocked(Intent intent, ActivityInfo info) { |
| 1565 | for (int stackNdx = mStacks.size() - 1; stackNdx >= 0; --stackNdx) { |
| 1566 | final ActivityRecord ar = mStacks.get(stackNdx).findActivityLocked(intent, info); |
| 1567 | if (ar != null) { |
| 1568 | return ar; |
| 1569 | } |
| 1570 | } |
| 1571 | return null; |
| 1572 | } |
| 1573 | |
Craig Mautner | 8d341ef | 2013-03-26 09:03:27 -0700 | [diff] [blame] | 1574 | void goingToSleepLocked() { |
| 1575 | for (int stackNdx = mStacks.size() - 1; stackNdx >= 0; --stackNdx) { |
| 1576 | mStacks.get(stackNdx).stopIfSleepingLocked(); |
| 1577 | } |
| 1578 | } |
| 1579 | |
| 1580 | boolean shutdownLocked(int timeout) { |
| 1581 | boolean timedout = false; |
| 1582 | final int numStacks = mStacks.size(); |
| 1583 | for (int stackNdx = 0; stackNdx < numStacks; ++stackNdx) { |
| 1584 | final ActivityStack stack = mStacks.get(stackNdx); |
| 1585 | if (stack.mResumedActivity != null) { |
| 1586 | stack.stopIfSleepingLocked(); |
| 1587 | final long endTime = System.currentTimeMillis() + timeout; |
| 1588 | while (stack.mResumedActivity != null || stack.mPausingActivity != null) { |
| 1589 | long delay = endTime - System.currentTimeMillis(); |
| 1590 | if (delay <= 0) { |
| 1591 | Slog.w(TAG, "Activity manager shutdown timed out"); |
| 1592 | timedout = true; |
| 1593 | break; |
| 1594 | } |
| 1595 | try { |
| 1596 | mService.wait(); |
| 1597 | } catch (InterruptedException e) { |
| 1598 | } |
| 1599 | } |
| 1600 | } |
| 1601 | } |
| 1602 | return timedout; |
| 1603 | } |
| 1604 | |
| 1605 | void comeOutOfSleepIfNeededLocked() { |
Craig Mautner | de4ef02 | 2013-04-07 19:01:33 -0700 | [diff] [blame] | 1606 | final boolean homeIsBack = !homeIsInFront(); |
Craig Mautner | 8d341ef | 2013-03-26 09:03:27 -0700 | [diff] [blame] | 1607 | final int numStacks = mStacks.size(); |
| 1608 | for (int stackNdx = 0; stackNdx < numStacks; ++stackNdx) { |
| 1609 | final ActivityStack stack = mStacks.get(stackNdx); |
Craig Mautner | de4ef02 | 2013-04-07 19:01:33 -0700 | [diff] [blame] | 1610 | if (stack.isHomeStack() ^ homeIsBack) { |
| 1611 | stack.awakeFromSleepingLocked(); |
| 1612 | stack.resumeTopActivityLocked(null); |
| 1613 | } |
Craig Mautner | 8d341ef | 2013-03-26 09:03:27 -0700 | [diff] [blame] | 1614 | } |
| 1615 | } |
| 1616 | |
| 1617 | void handleAppCrashLocked(ProcessRecord app) { |
| 1618 | final int numStacks = mStacks.size(); |
| 1619 | for (int stackNdx = 0; stackNdx < numStacks; ++stackNdx) { |
| 1620 | final ActivityStack stack = mStacks.get(stackNdx); |
| 1621 | stack.handleAppCrashLocked(app); |
| 1622 | } |
| 1623 | } |
| 1624 | |
Craig Mautner | de4ef02 | 2013-04-07 19:01:33 -0700 | [diff] [blame] | 1625 | void ensureActivitiesVisibleLocked(ActivityRecord starting, int configChanges) { |
| 1626 | for (int stackNdx = mStacks.size() - 1; stackNdx >= 0; --stackNdx) { |
| 1627 | mStacks.get(stackNdx).ensureActivitiesVisibleLocked(starting, configChanges); |
Craig Mautner | 8d341ef | 2013-03-26 09:03:27 -0700 | [diff] [blame] | 1628 | } |
Craig Mautner | 8d341ef | 2013-03-26 09:03:27 -0700 | [diff] [blame] | 1629 | } |
| 1630 | |
| 1631 | void scheduleDestroyAllActivities(ProcessRecord app, String reason) { |
| 1632 | final int numStacks = mStacks.size(); |
| 1633 | for (int stackNdx = 0; stackNdx < numStacks; ++stackNdx) { |
| 1634 | final ActivityStack stack = mStacks.get(stackNdx); |
| 1635 | stack.scheduleDestroyActivities(app, false, reason); |
| 1636 | } |
| 1637 | } |
| 1638 | |
| 1639 | boolean switchUserLocked(int userId, UserStartedState uss) { |
Craig Mautner | 2420ead | 2013-04-01 17:13:20 -0700 | [diff] [blame] | 1640 | mCurrentUser = userId; |
Craig Mautner | de4ef02 | 2013-04-07 19:01:33 -0700 | [diff] [blame] | 1641 | boolean homeInBack = !homeIsInFront(); |
Craig Mautner | 8d341ef | 2013-03-26 09:03:27 -0700 | [diff] [blame] | 1642 | boolean haveActivities = false; |
| 1643 | final int numStacks = mStacks.size(); |
| 1644 | for (int stackNdx = 0; stackNdx < numStacks; ++stackNdx) { |
| 1645 | final ActivityStack stack = mStacks.get(stackNdx); |
Craig Mautner | de4ef02 | 2013-04-07 19:01:33 -0700 | [diff] [blame] | 1646 | if (stack.isHomeStack() ^ homeInBack) { |
| 1647 | haveActivities |= stack.switchUserLocked(userId, uss); |
| 1648 | } |
Craig Mautner | 8d341ef | 2013-03-26 09:03:27 -0700 | [diff] [blame] | 1649 | } |
| 1650 | return haveActivities; |
Craig Mautner | 2219a1b | 2013-03-25 09:44:30 -0700 | [diff] [blame] | 1651 | } |
| 1652 | |
Craig Mautner | de4ef02 | 2013-04-07 19:01:33 -0700 | [diff] [blame] | 1653 | final ArrayList<ActivityRecord> processStoppingActivitiesLocked(boolean remove) { |
| 1654 | int N = mStoppingActivities.size(); |
| 1655 | if (N <= 0) return null; |
| 1656 | |
| 1657 | ArrayList<ActivityRecord> stops = null; |
| 1658 | |
| 1659 | final boolean nowVisible = allResumedActivitiesVisible(); |
| 1660 | for (int i=0; i<N; i++) { |
| 1661 | ActivityRecord s = mStoppingActivities.get(i); |
| 1662 | if (localLOGV) Slog.v(TAG, "Stopping " + s + ": nowVisible=" |
| 1663 | + nowVisible + " waitingVisible=" + s.waitingVisible |
| 1664 | + " finishing=" + s.finishing); |
| 1665 | if (s.waitingVisible && nowVisible) { |
| 1666 | mWaitingVisibleActivities.remove(s); |
| 1667 | s.waitingVisible = false; |
| 1668 | if (s.finishing) { |
| 1669 | // If this activity is finishing, it is sitting on top of |
| 1670 | // everyone else but we now know it is no longer needed... |
| 1671 | // so get rid of it. Otherwise, we need to go through the |
| 1672 | // normal flow and hide it once we determine that it is |
| 1673 | // hidden by the activities in front of it. |
| 1674 | if (localLOGV) Slog.v(TAG, "Before stopping, can hide: " + s); |
| 1675 | mService.mWindowManager.setAppVisibility(s.appToken, false); |
| 1676 | } |
| 1677 | } |
| 1678 | if ((!s.waitingVisible || mService.isSleepingOrShuttingDown()) && remove) { |
| 1679 | if (localLOGV) Slog.v(TAG, "Ready to stop: " + s); |
| 1680 | if (stops == null) { |
| 1681 | stops = new ArrayList<ActivityRecord>(); |
| 1682 | } |
| 1683 | stops.add(s); |
| 1684 | mStoppingActivities.remove(i); |
| 1685 | N--; |
| 1686 | i--; |
| 1687 | } |
| 1688 | } |
| 1689 | |
| 1690 | return stops; |
| 1691 | } |
| 1692 | |
Craig Mautner | 2708430 | 2013-03-25 08:05:25 -0700 | [diff] [blame] | 1693 | public void dump(PrintWriter pw, String prefix) { |
| 1694 | pw.print(prefix); pw.print("mDismissKeyguardOnNextActivity:"); |
| 1695 | pw.println(mDismissKeyguardOnNextActivity); |
| 1696 | } |
Craig Mautner | 8d341ef | 2013-03-26 09:03:27 -0700 | [diff] [blame] | 1697 | |
Craig Mautner | 20e7227 | 2013-04-01 13:45:53 -0700 | [diff] [blame] | 1698 | ArrayList<ActivityRecord> getDumpActivitiesLocked(String name) { |
Craig Mautner | de4ef02 | 2013-04-07 19:01:33 -0700 | [diff] [blame] | 1699 | return getTopStack().getDumpActivitiesLocked(name); |
Craig Mautner | 20e7227 | 2013-04-01 13:45:53 -0700 | [diff] [blame] | 1700 | } |
| 1701 | |
Craig Mautner | 8d341ef | 2013-03-26 09:03:27 -0700 | [diff] [blame] | 1702 | boolean dumpActivitiesLocked(FileDescriptor fd, PrintWriter pw, boolean dumpAll, |
| 1703 | boolean dumpClient, String dumpPackage) { |
| 1704 | final int numStacks = mStacks.size(); |
| 1705 | for (int stackNdx = 0; stackNdx < numStacks; ++stackNdx) { |
| 1706 | final ActivityStack stack = mStacks.get(stackNdx); |
| 1707 | pw.print(" Stack #"); pw.print(mStacks.indexOf(stack)); pw.println(":"); |
| 1708 | stack.dumpActivitiesLocked(fd, pw, dumpAll, dumpClient, dumpPackage); |
| 1709 | pw.println(" "); |
| 1710 | pw.println(" Running activities (most recent first):"); |
| 1711 | dumpHistoryList(fd, pw, stack.mLRUActivities, " ", "Run", false, !dumpAll, false, |
| 1712 | dumpPackage); |
Craig Mautner | 8d341ef | 2013-03-26 09:03:27 -0700 | [diff] [blame] | 1713 | if (stack.mGoingToSleepActivities.size() > 0) { |
| 1714 | pw.println(" "); |
| 1715 | pw.println(" Activities waiting to sleep:"); |
| 1716 | dumpHistoryList(fd, pw, stack.mGoingToSleepActivities, " ", "Sleep", false, |
| 1717 | !dumpAll, false, dumpPackage); |
| 1718 | } |
| 1719 | if (stack.mFinishingActivities.size() > 0) { |
| 1720 | pw.println(" "); |
| 1721 | pw.println(" Activities waiting to finish:"); |
| 1722 | dumpHistoryList(fd, pw, stack.mFinishingActivities, " ", "Fin", false, |
| 1723 | !dumpAll, false, dumpPackage); |
| 1724 | } |
Craig Mautner | 8d341ef | 2013-03-26 09:03:27 -0700 | [diff] [blame] | 1725 | |
Craig Mautner | 8d341ef | 2013-03-26 09:03:27 -0700 | [diff] [blame] | 1726 | pw.print(" Stack #"); pw.println(mStacks.indexOf(stack)); |
| 1727 | if (stack.mPausingActivity != null) { |
| 1728 | pw.println(" mPausingActivity: " + stack.mPausingActivity); |
| 1729 | } |
| 1730 | pw.println(" mResumedActivity: " + stack.mResumedActivity); |
| 1731 | if (dumpAll) { |
| 1732 | pw.println(" mLastPausedActivity: " + stack.mLastPausedActivity); |
| 1733 | pw.println(" mSleepTimeout: " + stack.mSleepTimeout); |
| 1734 | } |
| 1735 | } |
| 1736 | |
Craig Mautner | de4ef02 | 2013-04-07 19:01:33 -0700 | [diff] [blame] | 1737 | if (mStoppingActivities.size() > 0) { |
| 1738 | pw.println(" "); |
| 1739 | pw.println(" Activities waiting to stop:"); |
| 1740 | dumpHistoryList(fd, pw, mStoppingActivities, " ", "Stop", false, !dumpAll, false, |
| 1741 | dumpPackage); |
| 1742 | } |
| 1743 | |
| 1744 | if (mWaitingVisibleActivities.size() > 0) { |
| 1745 | pw.println(" "); |
| 1746 | pw.println(" Activities waiting for another to become visible:"); |
| 1747 | dumpHistoryList(fd, pw, mWaitingVisibleActivities, " ", "Wait", false, !dumpAll, |
| 1748 | false, dumpPackage); |
| 1749 | } |
| 1750 | |
Craig Mautner | 8d341ef | 2013-03-26 09:03:27 -0700 | [diff] [blame] | 1751 | if (dumpAll) { |
| 1752 | pw.println(" "); |
| 1753 | pw.println(" mCurTaskId: " + mCurTaskId); |
| 1754 | } |
| 1755 | return true; |
| 1756 | } |
| 1757 | |
| 1758 | static final void dumpHistoryList(FileDescriptor fd, PrintWriter pw, List<ActivityRecord> list, |
| 1759 | String prefix, String label, boolean complete, boolean brief, boolean client, |
| 1760 | String dumpPackage) { |
| 1761 | TaskRecord lastTask = null; |
| 1762 | boolean needNL = false; |
| 1763 | final String innerPrefix = prefix + " "; |
| 1764 | final String[] args = new String[0]; |
| 1765 | for (int i=list.size()-1; i>=0; i--) { |
| 1766 | final ActivityRecord r = list.get(i); |
| 1767 | if (dumpPackage != null && !dumpPackage.equals(r.packageName)) { |
| 1768 | continue; |
| 1769 | } |
| 1770 | final boolean full = !brief && (complete || !r.isInHistory()); |
| 1771 | if (needNL) { |
| 1772 | pw.println(" "); |
| 1773 | needNL = false; |
| 1774 | } |
| 1775 | if (lastTask != r.task) { |
| 1776 | lastTask = r.task; |
| 1777 | pw.print(prefix); |
| 1778 | pw.print(full ? "* " : " "); |
| 1779 | pw.println(lastTask); |
| 1780 | if (full) { |
| 1781 | lastTask.dump(pw, prefix + " "); |
| 1782 | } else if (complete) { |
| 1783 | // Complete + brief == give a summary. Isn't that obvious?!? |
| 1784 | if (lastTask.intent != null) { |
| 1785 | pw.print(prefix); pw.print(" "); |
| 1786 | pw.println(lastTask.intent.toInsecureStringWithClip()); |
| 1787 | } |
| 1788 | } |
| 1789 | } |
| 1790 | pw.print(prefix); pw.print(full ? " * " : " "); pw.print(label); |
| 1791 | pw.print(" #"); pw.print(i); pw.print(": "); |
| 1792 | pw.println(r); |
| 1793 | if (full) { |
| 1794 | r.dump(pw, innerPrefix); |
| 1795 | } else if (complete) { |
| 1796 | // Complete + brief == give a summary. Isn't that obvious?!? |
| 1797 | pw.print(innerPrefix); pw.println(r.intent.toInsecureString()); |
| 1798 | if (r.app != null) { |
| 1799 | pw.print(innerPrefix); pw.println(r.app); |
| 1800 | } |
| 1801 | } |
| 1802 | if (client && r.app != null && r.app.thread != null) { |
| 1803 | // flush anything that is already in the PrintWriter since the thread is going |
| 1804 | // to write to the file descriptor directly |
| 1805 | pw.flush(); |
| 1806 | try { |
| 1807 | TransferPipe tp = new TransferPipe(); |
| 1808 | try { |
| 1809 | r.app.thread.dumpActivity(tp.getWriteFd().getFileDescriptor(), |
| 1810 | r.appToken, innerPrefix, args); |
| 1811 | // Short timeout, since blocking here can |
| 1812 | // deadlock with the application. |
| 1813 | tp.go(fd, 2000); |
| 1814 | } finally { |
| 1815 | tp.kill(); |
| 1816 | } |
| 1817 | } catch (IOException e) { |
| 1818 | pw.println(innerPrefix + "Failure while dumping the activity: " + e); |
| 1819 | } catch (RemoteException e) { |
| 1820 | pw.println(innerPrefix + "Got a RemoteException while dumping the activity"); |
| 1821 | } |
| 1822 | needNL = true; |
| 1823 | } |
| 1824 | } |
| 1825 | } |
Craig Mautner | 2708430 | 2013-03-25 08:05:25 -0700 | [diff] [blame] | 1826 | } |