Crash dialog improvements, move crash code to AppErrors

Factors out the crash and ANR handling code into separate
class and allows clearing cache and restarting app from
crash dialog.

Bug: 22692162
Change-Id: I2a08a4255ea02ab3c7441d351bf278128fcf5a5d
diff --git a/services/core/java/com/android/server/am/ActiveServices.java b/services/core/java/com/android/server/am/ActiveServices.java
index 7ba6338..8c0ec78 100755
--- a/services/core/java/com/android/server/am/ActiveServices.java
+++ b/services/core/java/com/android/server/am/ActiveServices.java
@@ -2775,7 +2775,7 @@
         }
 
         if (anrMessage != null) {
-            mAm.appNotResponding(proc, null, null, false, anrMessage);
+            mAm.mAppErrors.appNotResponding(proc, null, null, false, anrMessage);
         }
     }
 
diff --git a/services/core/java/com/android/server/am/ActivityManagerService.java b/services/core/java/com/android/server/am/ActivityManagerService.java
index b61dafe..2c55ee2 100644
--- a/services/core/java/com/android/server/am/ActivityManagerService.java
+++ b/services/core/java/com/android/server/am/ActivityManagerService.java
@@ -277,7 +277,6 @@
 import static com.android.internal.util.XmlUtils.writeBooleanAttribute;
 import static com.android.internal.util.XmlUtils.writeIntAttribute;
 import static com.android.internal.util.XmlUtils.writeLongAttribute;
-import static com.android.server.Watchdog.NATIVE_STACKS_OF_INTEREST;
 import static com.android.server.am.ActivityManagerDebugConfig.DEBUG_ALL;
 import static com.android.server.am.ActivityManagerDebugConfig.DEBUG_BACKUP;
 import static com.android.server.am.ActivityManagerDebugConfig.DEBUG_BROADCAST;
@@ -392,7 +391,7 @@
     // The flags that are set for all calls we make to the package manager.
     static final int STOCK_PM_FLAGS = PackageManager.GET_SHARED_LIBRARY_FILES;
 
-    private static final String SYSTEM_DEBUGGABLE = "ro.debuggable";
+    static final String SYSTEM_DEBUGGABLE = "ro.debuggable";
 
     static final boolean IS_USER_BUILD = "user".equals(Build.TYPE);
 
@@ -598,6 +597,12 @@
 
     final UserController mUserController;
 
+    final AppErrors mAppErrors;
+
+    public boolean canShowErrorDialogs() {
+        return mShowDialogs && !mSleeping && !mShuttingDown;
+    }
+
     public class PendingAssistExtras extends Binder implements Runnable {
         public final ActivityRecord activity;
         public final Bundle extras;
@@ -668,38 +673,6 @@
     ProcessRecord mHeavyWeightProcess = null;
 
     /**
-     * The last time that various processes have crashed.
-     */
-    final ProcessMap<Long> mProcessCrashTimes = new ProcessMap<Long>();
-
-    /**
-     * Information about a process that is currently marked as bad.
-     */
-    static final class BadProcessInfo {
-        BadProcessInfo(long time, String shortMsg, String longMsg, String stack) {
-            this.time = time;
-            this.shortMsg = shortMsg;
-            this.longMsg = longMsg;
-            this.stack = stack;
-        }
-
-        final long time;
-        final String shortMsg;
-        final String longMsg;
-        final String stack;
-    }
-
-    /**
-     * Set of applications that we consider to be bad, and will reject
-     * incoming broadcasts from (which the user has no control over).
-     * Processes are added to this set when they have crashed twice within
-     * a minimum amount of time; they are removed from it when they are
-     * later restarted (hopefully due to some user action).  The value is the
-     * time it was added to the list.
-     */
-    final ProcessMap<BadProcessInfo> mBadProcesses = new ProcessMap<BadProcessInfo>();
-
-    /**
      * All of the processes we currently have running organized by pid.
      * The keys are the pid running the application.
      *
@@ -1351,8 +1324,6 @@
     final ArrayList<UidRecord.ChangeItem> mPendingUidChanges = new ArrayList<>();
     final ArrayList<UidRecord.ChangeItem> mAvailUidChanges = new ArrayList<>();
 
-    ArraySet<String> mAppsNotReportingCrashes;
-
     /**
      * Runtime CPU use collection thread.  This object's lock is used to
      * perform synchronization with the thread (notifying it to run).
@@ -1511,80 +1482,11 @@
         public void handleMessage(Message msg) {
             switch (msg.what) {
             case SHOW_ERROR_UI_MSG: {
-                HashMap<String, Object> data = (HashMap<String, Object>) msg.obj;
-                boolean showBackground = Settings.Secure.getInt(mContext.getContentResolver(),
-                        Settings.Secure.ANR_SHOW_BACKGROUND, 0) != 0;
-                synchronized (ActivityManagerService.this) {
-                    ProcessRecord proc = (ProcessRecord)data.get("app");
-                    AppErrorResult res = (AppErrorResult) data.get("result");
-                    if (proc != null && proc.crashDialog != null) {
-                        Slog.e(TAG, "App already has crash dialog: " + proc);
-                        if (res != null) {
-                            res.set(0);
-                        }
-                        return;
-                    }
-                    boolean isBackground = (UserHandle.getAppId(proc.uid)
-                            >= Process.FIRST_APPLICATION_UID
-                            && proc.pid != MY_PID);
-                    for (int userId : mUserController.getCurrentProfileIdsLocked()) {
-                        isBackground &= (proc.userId != userId);
-                    }
-                    if (isBackground && !showBackground) {
-                        Slog.w(TAG, "Skipping crash dialog of " + proc + ": background");
-                        if (res != null) {
-                            res.set(0);
-                        }
-                        return;
-                    }
-                    final boolean crashSilenced = mAppsNotReportingCrashes != null &&
-                            mAppsNotReportingCrashes.contains(proc.info.packageName);
-                    if (mShowDialogs && !mSleeping && !mShuttingDown && !crashSilenced) {
-                        Dialog d = new AppErrorDialog(mContext,
-                                ActivityManagerService.this, res, proc);
-                        d.show();
-                        proc.crashDialog = d;
-                    } else {
-                        // The device is asleep, so just pretend that the user
-                        // saw a crash dialog and hit "force quit".
-                        if (res != null) {
-                            res.set(0);
-                        }
-                    }
-                }
-
+                mAppErrors.handleShowAppErrorUi(msg);
                 ensureBootCompleted();
             } break;
             case SHOW_NOT_RESPONDING_UI_MSG: {
-                synchronized (ActivityManagerService.this) {
-                    HashMap<String, Object> data = (HashMap<String, Object>) msg.obj;
-                    ProcessRecord proc = (ProcessRecord)data.get("app");
-                    if (proc != null && proc.anrDialog != null) {
-                        Slog.e(TAG, "App already has anr dialog: " + proc);
-                        return;
-                    }
-
-                    Intent intent = new Intent("android.intent.action.ANR");
-                    if (!mProcessesReady) {
-                        intent.addFlags(Intent.FLAG_RECEIVER_REGISTERED_ONLY
-                                | Intent.FLAG_RECEIVER_FOREGROUND);
-                    }
-                    broadcastIntentLocked(null, null, intent,
-                            null, null, 0, null, null, null, AppOpsManager.OP_NONE,
-                            null, false, false, MY_PID, Process.SYSTEM_UID, 0 /* TODO: Verify */);
-
-                    if (mShowDialogs) {
-                        Dialog d = new AppNotRespondingDialog(ActivityManagerService.this,
-                                mContext, proc, (ActivityRecord)data.get("activity"),
-                                msg.arg1 != 0);
-                        d.show();
-                        proc.anrDialog = d;
-                    } else {
-                        // Just kill the app if there is no dialog to be shown.
-                        killAppAtUsersRequest(proc, null);
-                    }
-                }
-
+                mAppErrors.handleShowAnrUi(msg);
                 ensureBootCompleted();
             } break;
             case SHOW_STRICT_MODE_VIOLATION_UI_MSG: {
@@ -2509,6 +2411,7 @@
 
         mServices = new ActiveServices(this);
         mProviderMap = new ProviderMap(this);
+        mAppErrors = new AppErrors(mContext, this);
 
         // TODO: Move creation of battery stats service outside of activity manager service.
         File dataDir = Environment.getDataDirectory();
@@ -3027,7 +2930,7 @@
         return index;
     }
 
-    private static void killProcessGroup(int uid, int pid) {
+    static void killProcessGroup(int uid, int pid) {
         Trace.traceBegin(Trace.TRACE_TAG_ACTIVITY_MANAGER, "killProcessGroup");
         Process.killProcessGroup(uid, pid);
         Trace.traceEnd(Trace.TRACE_TAG_ACTIVITY_MANAGER);
@@ -3349,7 +3252,7 @@
             if ((intentFlags & Intent.FLAG_FROM_BACKGROUND) != 0) {
                 // If we are in the background, then check to see if this process
                 // is bad.  If so, we will just silently fail.
-                if (mBadProcesses.get(info.processName, info.uid) != null) {
+                if (mAppErrors.isBadProcessLocked(info)) {
                     if (DEBUG_PROCESSES) Slog.v(TAG, "Bad process: " + info.uid
                             + "/" + info.processName);
                     return null;
@@ -3361,12 +3264,12 @@
                 // if it had been bad.
                 if (DEBUG_PROCESSES) Slog.v(TAG, "Clearing bad process: " + info.uid
                         + "/" + info.processName);
-                mProcessCrashTimes.remove(info.processName, info.uid);
-                if (mBadProcesses.get(info.processName, info.uid) != null) {
+                mAppErrors.resetProcessCrashTimeLocked(info);
+                if (mAppErrors.isBadProcessLocked(info)) {
                     EventLog.writeEvent(EventLogTags.AM_PROC_GOOD,
                             UserHandle.getUserId(info.uid), info.uid,
                             info.processName);
-                    mBadProcesses.remove(info.processName, info.uid);
+                    mAppErrors.clearBadProcessLocked(info);
                     if (app != null) {
                         app.bad = false;
                     }
@@ -4774,46 +4677,7 @@
         }
 
         synchronized(this) {
-            ProcessRecord proc = null;
-
-            // Figure out which process to kill.  We don't trust that initialPid
-            // still has any relation to current pids, so must scan through the
-            // list.
-            synchronized (mPidsSelfLocked) {
-                for (int i=0; i<mPidsSelfLocked.size(); i++) {
-                    ProcessRecord p = mPidsSelfLocked.valueAt(i);
-                    if (p.uid != uid) {
-                        continue;
-                    }
-                    if (p.pid == initialPid) {
-                        proc = p;
-                        break;
-                    }
-                    if (p.pkgList.containsKey(packageName)) {
-                        proc = p;
-                    }
-                }
-            }
-
-            if (proc == null) {
-                Slog.w(TAG, "crashApplication: nothing for uid=" + uid
-                        + " initialPid=" + initialPid
-                        + " packageName=" + packageName);
-                return;
-            }
-
-            if (proc.thread != null) {
-                if (proc.pid == Process.myPid()) {
-                    Log.w(TAG, "crashApplication: trying to crash self!");
-                    return;
-                }
-                long ident = Binder.clearCallingIdentity();
-                try {
-                    proc.thread.scheduleCrash(message);
-                } catch (RemoteException e) {
-                }
-                Binder.restoreCallingIdentity(ident);
-            }
+            mAppErrors.scheduleAppCrashLocked(uid, initialPid, packageName, message);
         }
     }
 
@@ -5294,169 +5158,6 @@
         }
     }
 
-    final void appNotResponding(ProcessRecord app, ActivityRecord activity,
-            ActivityRecord parent, boolean aboveSystem, final String annotation) {
-        ArrayList<Integer> firstPids = new ArrayList<Integer>(5);
-        SparseArray<Boolean> lastPids = new SparseArray<Boolean>(20);
-
-        if (mController != null) {
-            try {
-                // 0 == continue, -1 = kill process immediately
-                int res = mController.appEarlyNotResponding(app.processName, app.pid, annotation);
-                if (res < 0 && app.pid != MY_PID) {
-                    app.kill("anr", true);
-                }
-            } catch (RemoteException e) {
-                mController = null;
-                Watchdog.getInstance().setActivityController(null);
-            }
-        }
-
-        long anrTime = SystemClock.uptimeMillis();
-        if (MONITOR_CPU_USAGE) {
-            updateCpuStatsNow();
-        }
-
-        synchronized (this) {
-            // PowerManager.reboot() can block for a long time, so ignore ANRs while shutting down.
-            if (mShuttingDown) {
-                Slog.i(TAG, "During shutdown skipping ANR: " + app + " " + annotation);
-                return;
-            } else if (app.notResponding) {
-                Slog.i(TAG, "Skipping duplicate ANR: " + app + " " + annotation);
-                return;
-            } else if (app.crashing) {
-                Slog.i(TAG, "Crashing app skipping ANR: " + app + " " + annotation);
-                return;
-            }
-
-            // In case we come through here for the same app before completing
-            // this one, mark as anring now so we will bail out.
-            app.notResponding = true;
-
-            // Log the ANR to the event log.
-            EventLog.writeEvent(EventLogTags.AM_ANR, app.userId, app.pid,
-                    app.processName, app.info.flags, annotation);
-
-            // Dump thread traces as quickly as we can, starting with "interesting" processes.
-            firstPids.add(app.pid);
-
-            int parentPid = app.pid;
-            if (parent != null && parent.app != null && parent.app.pid > 0) parentPid = parent.app.pid;
-            if (parentPid != app.pid) firstPids.add(parentPid);
-
-            if (MY_PID != app.pid && MY_PID != parentPid) firstPids.add(MY_PID);
-
-            for (int i = mLruProcesses.size() - 1; i >= 0; i--) {
-                ProcessRecord r = mLruProcesses.get(i);
-                if (r != null && r.thread != null) {
-                    int pid = r.pid;
-                    if (pid > 0 && pid != app.pid && pid != parentPid && pid != MY_PID) {
-                        if (r.persistent) {
-                            firstPids.add(pid);
-                        } else {
-                            lastPids.put(pid, Boolean.TRUE);
-                        }
-                    }
-                }
-            }
-        }
-
-        // Log the ANR to the main log.
-        StringBuilder info = new StringBuilder();
-        info.setLength(0);
-        info.append("ANR in ").append(app.processName);
-        if (activity != null && activity.shortComponentName != null) {
-            info.append(" (").append(activity.shortComponentName).append(")");
-        }
-        info.append("\n");
-        info.append("PID: ").append(app.pid).append("\n");
-        if (annotation != null) {
-            info.append("Reason: ").append(annotation).append("\n");
-        }
-        if (parent != null && parent != activity) {
-            info.append("Parent: ").append(parent.shortComponentName).append("\n");
-        }
-
-        final ProcessCpuTracker processCpuTracker = new ProcessCpuTracker(true);
-
-        File tracesFile = dumpStackTraces(true, firstPids, processCpuTracker, lastPids,
-                NATIVE_STACKS_OF_INTEREST);
-
-        String cpuInfo = null;
-        if (MONITOR_CPU_USAGE) {
-            updateCpuStatsNow();
-            synchronized (mProcessCpuTracker) {
-                cpuInfo = mProcessCpuTracker.printCurrentState(anrTime);
-            }
-            info.append(processCpuTracker.printCurrentLoad());
-            info.append(cpuInfo);
-        }
-
-        info.append(processCpuTracker.printCurrentState(anrTime));
-
-        Slog.e(TAG, info.toString());
-        if (tracesFile == null) {
-            // There is no trace file, so dump (only) the alleged culprit's threads to the log
-            Process.sendSignal(app.pid, Process.SIGNAL_QUIT);
-        }
-
-        addErrorToDropBox("anr", app, app.processName, activity, parent, annotation,
-                cpuInfo, tracesFile, null);
-
-        if (mController != null) {
-            try {
-                // 0 == show dialog, 1 = keep waiting, -1 = kill process immediately
-                int res = mController.appNotResponding(app.processName, app.pid, info.toString());
-                if (res != 0) {
-                    if (res < 0 && app.pid != MY_PID) {
-                        app.kill("anr", true);
-                    } else {
-                        synchronized (this) {
-                            mServices.scheduleServiceTimeoutLocked(app);
-                        }
-                    }
-                    return;
-                }
-            } catch (RemoteException e) {
-                mController = null;
-                Watchdog.getInstance().setActivityController(null);
-            }
-        }
-
-        // Unless configured otherwise, swallow ANRs in background processes & kill the process.
-        boolean showBackground = Settings.Secure.getInt(mContext.getContentResolver(),
-                Settings.Secure.ANR_SHOW_BACKGROUND, 0) != 0;
-
-        synchronized (this) {
-            mBatteryStatsService.noteProcessAnr(app.processName, app.uid);
-
-            if (!showBackground && !app.isInterestingToUserLocked() && app.pid != MY_PID) {
-                app.kill("bg anr", true);
-                return;
-            }
-
-            // Set the app's notResponding state, and look up the errorReportReceiver
-            makeAppNotRespondingLocked(app,
-                    activity != null ? activity.shortComponentName : null,
-                    annotation != null ? "ANR " + annotation : "ANR",
-                    info.toString());
-
-            // Bring up the infamous App Not Responding dialog
-            Message msg = Message.obtain();
-            HashMap<String, Object> map = new HashMap<String, Object>();
-            msg.what = SHOW_NOT_RESPONDING_UI_MSG;
-            msg.obj = map;
-            msg.arg1 = aboveSystem ? 1 : 0;
-            map.put("app", app);
-            if (activity != null) {
-                map.put("activity", activity);
-            }
-
-            mUiHandler.sendMessage(msg);
-        }
-    }
-
     final void showLaunchWarningLocked(final ActivityRecord cur, final ActivityRecord next) {
         if (!mLaunchWarningShown) {
             mLaunchWarningShown = true;
@@ -6079,33 +5780,7 @@
                 Slog.i(TAG, "Force stopping u" + userId + ": " + reason);
             }
 
-            final ArrayMap<String, SparseArray<Long>> pmap = mProcessCrashTimes.getMap();
-            for (int ip = pmap.size() - 1; ip >= 0; ip--) {
-                SparseArray<Long> ba = pmap.valueAt(ip);
-                for (i = ba.size() - 1; i >= 0; i--) {
-                    boolean remove = false;
-                    final int entUid = ba.keyAt(i);
-                    if (packageName != null) {
-                        if (userId == UserHandle.USER_ALL) {
-                            if (UserHandle.getAppId(entUid) == appId) {
-                                remove = true;
-                            }
-                        } else {
-                            if (entUid == UserHandle.getUid(userId, appId)) {
-                                remove = true;
-                            }
-                        }
-                    } else if (UserHandle.getUserId(entUid) == userId) {
-                        remove = true;
-                    }
-                    if (remove) {
-                        ba.removeAt(i);
-                    }
-                }
-                if (ba.size() == 0) {
-                    pmap.removeAt(ip);
-                }
-            }
+            mAppErrors.resetProcessCrashTimeLocked(packageName == null, appId, userId);
         }
 
         boolean didSomething = killPackageProcessesLocked(packageName, appId, userId,
@@ -6270,7 +5945,7 @@
         }
     }
 
-    private final boolean removeProcessLocked(ProcessRecord app,
+    boolean removeProcessLocked(ProcessRecord app,
             boolean callerWillRestart, boolean allowRestart, String reason) {
         final String name = app.processName;
         final int uid = app.uid;
@@ -10938,7 +10613,7 @@
 
         final long token = Binder.clearCallingIdentity();
         try {
-            appNotResponding(host, null, null, false, "ContentProvider not responding");
+            mAppErrors.appNotResponding(host, null, null, false, "ContentProvider not responding");
         } finally {
             Binder.restoreCallingIdentity(token);
         }
@@ -11702,7 +11377,7 @@
             mHandler.post(new Runnable() {
                 @Override
                 public void run() {
-                    appNotResponding(proc, activity, parent, aboveSystem, annotation);
+                    mAppErrors.appNotResponding(proc, activity, parent, aboveSystem, annotation);
                 }
             });
         }
@@ -12496,17 +12171,8 @@
                     com.android.internal.R.dimen.thumbnail_height);
             mDefaultPinnedStackBounds = Rect.unflattenFromString(res.getString(
                     com.android.internal.R.string.config_defaultPictureInPictureBounds));
-            final String appsNotReportingCrashes = res.getString(
-                    com.android.internal.R.string.config_appsNotReportingCrashes);
-            if (appsNotReportingCrashes != null) {
-                final String[] split = appsNotReportingCrashes.split(",");
-                if (split.length > 0) {
-                    mAppsNotReportingCrashes = new ArraySet<>();
-                    for (int i = 0; i < split.length; i++) {
-                        mAppsNotReportingCrashes.add(split[i]);
-                    }
-                }
-            }
+            mAppErrors.loadAppsNotReportingCrashesFromConfigLocked(res.getString(
+                    com.android.internal.R.string.config_appsNotReportingCrashes));
         }
     }
 
@@ -12911,174 +12577,12 @@
         }
     }
 
-    private boolean makeAppCrashingLocked(ProcessRecord app,
-            String shortMsg, String longMsg, String stackTrace) {
-        app.crashing = true;
-        app.crashingReport = generateProcessError(app,
-                ActivityManager.ProcessErrorStateInfo.CRASHED, null, shortMsg, longMsg, stackTrace);
-        startAppProblemLocked(app);
-        app.stopFreezingAllLocked();
-        return handleAppCrashLocked(app, "force-crash" /*reason*/, shortMsg, longMsg, stackTrace);
-    }
-
-    private void makeAppNotRespondingLocked(ProcessRecord app,
-            String activity, String shortMsg, String longMsg) {
-        app.notResponding = true;
-        app.notRespondingReport = generateProcessError(app,
-                ActivityManager.ProcessErrorStateInfo.NOT_RESPONDING,
-                activity, shortMsg, longMsg, null);
-        startAppProblemLocked(app);
-        app.stopFreezingAllLocked();
-    }
-
-    /**
-     * Generate a process error record, suitable for attachment to a ProcessRecord.
-     *
-     * @param app The ProcessRecord in which the error occurred.
-     * @param condition Crashing, Application Not Responding, etc.  Values are defined in
-     *                      ActivityManager.AppErrorStateInfo
-     * @param activity The activity associated with the crash, if known.
-     * @param shortMsg Short message describing the crash.
-     * @param longMsg Long message describing the crash.
-     * @param stackTrace Full crash stack trace, may be null.
-     *
-     * @return Returns a fully-formed AppErrorStateInfo record.
-     */
-    private ActivityManager.ProcessErrorStateInfo generateProcessError(ProcessRecord app,
-            int condition, String activity, String shortMsg, String longMsg, String stackTrace) {
-        ActivityManager.ProcessErrorStateInfo report = new ActivityManager.ProcessErrorStateInfo();
-
-        report.condition = condition;
-        report.processName = app.processName;
-        report.pid = app.pid;
-        report.uid = app.info.uid;
-        report.tag = activity;
-        report.shortMsg = shortMsg;
-        report.longMsg = longMsg;
-        report.stackTrace = stackTrace;
-
-        return report;
-    }
-
     void killAppAtUsersRequest(ProcessRecord app, Dialog fromDialog) {
         synchronized (this) {
-            app.crashing = false;
-            app.crashingReport = null;
-            app.notResponding = false;
-            app.notRespondingReport = null;
-            if (app.anrDialog == fromDialog) {
-                app.anrDialog = null;
-            }
-            if (app.waitDialog == fromDialog) {
-                app.waitDialog = null;
-            }
-            if (app.pid > 0 && app.pid != MY_PID) {
-                handleAppCrashLocked(app, "user-terminated" /*reason*/,
-                        null /*shortMsg*/, null /*longMsg*/, null /*stackTrace*/);
-                app.kill("user request after error", true);
-            }
+            mAppErrors.killAppAtUserRequestLocked(app, fromDialog);
         }
     }
 
-    private boolean handleAppCrashLocked(ProcessRecord app, String reason,
-            String shortMsg, String longMsg, String stackTrace) {
-        long now = SystemClock.uptimeMillis();
-
-        Long crashTime;
-        if (!app.isolated) {
-            crashTime = mProcessCrashTimes.get(app.info.processName, app.uid);
-        } else {
-            crashTime = null;
-        }
-        if (crashTime != null && now < crashTime+ProcessList.MIN_CRASH_INTERVAL) {
-            // This process loses!
-            Slog.w(TAG, "Process " + app.info.processName
-                    + " has crashed too many times: killing!");
-            EventLog.writeEvent(EventLogTags.AM_PROCESS_CRASHED_TOO_MUCH,
-                    app.userId, app.info.processName, app.uid);
-            mStackSupervisor.handleAppCrashLocked(app);
-            if (!app.persistent) {
-                // We don't want to start this process again until the user
-                // explicitly does so...  but for persistent process, we really
-                // need to keep it running.  If a persistent process is actually
-                // repeatedly crashing, then badness for everyone.
-                EventLog.writeEvent(EventLogTags.AM_PROC_BAD, app.userId, app.uid,
-                        app.info.processName);
-                if (!app.isolated) {
-                    // XXX We don't have a way to mark isolated processes
-                    // as bad, since they don't have a peristent identity.
-                    mBadProcesses.put(app.info.processName, app.uid,
-                            new BadProcessInfo(now, shortMsg, longMsg, stackTrace));
-                    mProcessCrashTimes.remove(app.info.processName, app.uid);
-                }
-                app.bad = true;
-                app.removed = true;
-                // Don't let services in this process be restarted and potentially
-                // annoy the user repeatedly.  Unless it is persistent, since those
-                // processes run critical code.
-                removeProcessLocked(app, false, false, "crash");
-                mStackSupervisor.resumeFocusedStackTopActivityLocked();
-                return false;
-            }
-            mStackSupervisor.resumeFocusedStackTopActivityLocked();
-        } else {
-            mStackSupervisor.finishTopRunningActivityLocked(app, reason);
-        }
-
-        // Bump up the crash count of any services currently running in the proc.
-        for (int i=app.services.size()-1; i>=0; i--) {
-            // Any services running in the application need to be placed
-            // back in the pending list.
-            ServiceRecord sr = app.services.valueAt(i);
-            sr.crashCount++;
-        }
-
-        // If the crashing process is what we consider to be the "home process" and it has been
-        // replaced by a third-party app, clear the package preferred activities from packages
-        // with a home activity running in the process to prevent a repeatedly crashing app
-        // from blocking the user to manually clear the list.
-        final ArrayList<ActivityRecord> activities = app.activities;
-        if (app == mHomeProcess && activities.size() > 0
-                    && (mHomeProcess.info.flags & ApplicationInfo.FLAG_SYSTEM) == 0) {
-            for (int activityNdx = activities.size() - 1; activityNdx >= 0; --activityNdx) {
-                final ActivityRecord r = activities.get(activityNdx);
-                if (r.isHomeActivity()) {
-                    Log.i(TAG, "Clearing package preferred activities from " + r.packageName);
-                    try {
-                        ActivityThread.getPackageManager()
-                                .clearPackagePreferredActivities(r.packageName);
-                    } catch (RemoteException c) {
-                        // pm is in same process, this will never happen.
-                    }
-                }
-            }
-        }
-
-        if (!app.isolated) {
-            // XXX Can't keep track of crash times for isolated processes,
-            // because they don't have a perisistent identity.
-            mProcessCrashTimes.put(app.info.processName, app.uid, now);
-        }
-
-        if (app.crashHandler != null) mHandler.post(app.crashHandler);
-        return true;
-    }
-
-    void startAppProblemLocked(ProcessRecord app) {
-        // If this app is not running under the current user, then we
-        // can't give it a report button because that would require
-        // launching the report UI under a different user.
-        app.errorReportReceiver = null;
-
-        for (int userId : mUserController.getCurrentProfileIdsLocked()) {
-            if (app.userId == userId) {
-                app.errorReportReceiver = ApplicationErrorReport.getErrorReportReceiver(
-                        mContext, app.info.packageName, app.info.flags);
-            }
-        }
-        skipCurrentReceiverLocked(app);
-    }
-
     void skipCurrentReceiverLocked(ProcessRecord app) {
         for (BroadcastQueue queue : mBroadcastQueues) {
             queue.skipCurrentReceiverLocked(app);
@@ -13114,7 +12618,7 @@
 
         addErrorToDropBox(eventType, r, processName, null, null, null, null, null, crashInfo);
 
-        crashApplication(r, crashInfo);
+        mAppErrors.crashApplication(r, crashInfo);
     }
 
     public void handleApplicationStrictModeViolation(
@@ -13325,7 +12829,7 @@
         if (r != null && r.pid != Process.myPid() &&
                 Settings.Global.getInt(mContext.getContentResolver(),
                         Settings.Global.WTF_IS_FATAL, 0) != 0) {
-            crashApplication(r, crashInfo);
+            mAppErrors.crashApplication(r, crashInfo);
             return true;
         } else {
             return false;
@@ -13534,164 +13038,6 @@
         }
     }
 
-    /**
-     * Bring up the "unexpected error" dialog box for a crashing app.
-     * Deal with edge cases (intercepts from instrumented applications,
-     * ActivityController, error intent receivers, that sort of thing).
-     * @param r the application crashing
-     * @param crashInfo describing the failure
-     */
-    private void crashApplication(ProcessRecord r, ApplicationErrorReport.CrashInfo crashInfo) {
-        long timeMillis = System.currentTimeMillis();
-        String shortMsg = crashInfo.exceptionClassName;
-        String longMsg = crashInfo.exceptionMessage;
-        String stackTrace = crashInfo.stackTrace;
-        if (shortMsg != null && longMsg != null) {
-            longMsg = shortMsg + ": " + longMsg;
-        } else if (shortMsg != null) {
-            longMsg = shortMsg;
-        }
-
-        AppErrorResult result = new AppErrorResult();
-        synchronized (this) {
-            if (mController != null) {
-                try {
-                    String name = r != null ? r.processName : null;
-                    int pid = r != null ? r.pid : Binder.getCallingPid();
-                    int uid = r != null ? r.info.uid : Binder.getCallingUid();
-                    if (!mController.appCrashed(name, pid,
-                            shortMsg, longMsg, timeMillis, crashInfo.stackTrace)) {
-                        if ("1".equals(SystemProperties.get(SYSTEM_DEBUGGABLE, "0"))
-                                && "Native crash".equals(crashInfo.exceptionClassName)) {
-                            Slog.w(TAG, "Skip killing native crashed app " + name
-                                    + "(" + pid + ") during testing");
-                        } else {
-                            Slog.w(TAG, "Force-killing crashed app " + name
-                                    + " at watcher's request");
-                            if (r != null) {
-                                r.kill("crash", true);
-                            } else {
-                                // Huh.
-                                Process.killProcess(pid);
-                                killProcessGroup(uid, pid);
-                            }
-                        }
-                        return;
-                    }
-                } catch (RemoteException e) {
-                    mController = null;
-                    Watchdog.getInstance().setActivityController(null);
-                }
-            }
-
-            final long origId = Binder.clearCallingIdentity();
-
-            // If this process is running instrumentation, finish it.
-            if (r != null && r.instrumentationClass != null) {
-                Slog.w(TAG, "Error in app " + r.processName
-                      + " running instrumentation " + r.instrumentationClass + ":");
-                if (shortMsg != null) Slog.w(TAG, "  " + shortMsg);
-                if (longMsg != null) Slog.w(TAG, "  " + longMsg);
-                Bundle info = new Bundle();
-                info.putString("shortMsg", shortMsg);
-                info.putString("longMsg", longMsg);
-                finishInstrumentationLocked(r, Activity.RESULT_CANCELED, info);
-                Binder.restoreCallingIdentity(origId);
-                return;
-            }
-
-            // Log crash in battery stats.
-            if (r != null) {
-                mBatteryStatsService.noteProcessCrash(r.processName, r.uid);
-            }
-
-            // If we can't identify the process or it's already exceeded its crash quota,
-            // quit right away without showing a crash dialog.
-            if (r == null || !makeAppCrashingLocked(r, shortMsg, longMsg, stackTrace)) {
-                Binder.restoreCallingIdentity(origId);
-                return;
-            }
-
-            Message msg = Message.obtain();
-            msg.what = SHOW_ERROR_UI_MSG;
-            HashMap data = new HashMap();
-            data.put("result", result);
-            data.put("app", r);
-            msg.obj = data;
-            mUiHandler.sendMessage(msg);
-
-            Binder.restoreCallingIdentity(origId);
-        }
-
-        int res = result.get();
-
-        Intent appErrorIntent = null;
-        synchronized (this) {
-            if (r != null && !r.isolated) {
-                // XXX Can't keep track of crash time for isolated processes,
-                // since they don't have a persistent identity.
-                mProcessCrashTimes.put(r.info.processName, r.uid,
-                        SystemClock.uptimeMillis());
-            }
-            if (res == AppErrorDialog.FORCE_QUIT_AND_REPORT) {
-                appErrorIntent = createAppErrorIntentLocked(r, timeMillis, crashInfo);
-            }
-        }
-
-        if (appErrorIntent != null) {
-            try {
-                mContext.startActivityAsUser(appErrorIntent, new UserHandle(r.userId));
-            } catch (ActivityNotFoundException e) {
-                Slog.w(TAG, "bug report receiver dissappeared", e);
-            }
-        }
-    }
-
-    Intent createAppErrorIntentLocked(ProcessRecord r,
-            long timeMillis, ApplicationErrorReport.CrashInfo crashInfo) {
-        ApplicationErrorReport report = createAppErrorReportLocked(r, timeMillis, crashInfo);
-        if (report == null) {
-            return null;
-        }
-        Intent result = new Intent(Intent.ACTION_APP_ERROR);
-        result.setComponent(r.errorReportReceiver);
-        result.putExtra(Intent.EXTRA_BUG_REPORT, report);
-        result.addFlags(Intent.FLAG_ACTIVITY_NEW_TASK);
-        return result;
-    }
-
-    private ApplicationErrorReport createAppErrorReportLocked(ProcessRecord r,
-            long timeMillis, ApplicationErrorReport.CrashInfo crashInfo) {
-        if (r.errorReportReceiver == null) {
-            return null;
-        }
-
-        if (!r.crashing && !r.notResponding && !r.forceCrashReport) {
-            return null;
-        }
-
-        ApplicationErrorReport report = new ApplicationErrorReport();
-        report.packageName = r.info.packageName;
-        report.installerPackageName = r.errorReportReceiver.getPackageName();
-        report.processName = r.processName;
-        report.time = timeMillis;
-        report.systemApp = (r.info.flags & ApplicationInfo.FLAG_SYSTEM) != 0;
-
-        if (r.crashing || r.forceCrashReport) {
-            report.type = ApplicationErrorReport.TYPE_CRASH;
-            report.crashInfo = crashInfo;
-        } else if (r.notResponding) {
-            report.type = ApplicationErrorReport.TYPE_ANR;
-            report.anrInfo = new ApplicationErrorReport.AnrInfo();
-
-            report.anrInfo.activity = r.notRespondingReport.tag;
-            report.anrInfo.cause = r.notRespondingReport.shortMsg;
-            report.anrInfo.info = r.notRespondingReport.longMsg;
-        }
-
-        return report;
-    }
-
     public List<ActivityManager.ProcessErrorStateInfo> getProcessesInErrorState() {
         enforceNotIsolatedCaller("getProcessesInErrorState");
         // assume our apps are happy - lazy create the list
@@ -14429,88 +13775,9 @@
 
         needSep = dumpProcessesToGc(fd, pw, args, opti, needSep, dumpAll, dumpPackage);
 
-        if (mProcessCrashTimes.getMap().size() > 0) {
-            boolean printed = false;
-            long now = SystemClock.uptimeMillis();
-            final ArrayMap<String, SparseArray<Long>> pmap = mProcessCrashTimes.getMap();
-            final int NP = pmap.size();
-            for (int ip=0; ip<NP; ip++) {
-                String pname = pmap.keyAt(ip);
-                SparseArray<Long> uids = pmap.valueAt(ip);
-                final int N = uids.size();
-                for (int i=0; i<N; i++) {
-                    int puid = uids.keyAt(i);
-                    ProcessRecord r = mProcessNames.get(pname, puid);
-                    if (dumpPackage != null && (r == null
-                            || !r.pkgList.containsKey(dumpPackage))) {
-                        continue;
-                    }
-                    if (!printed) {
-                        if (needSep) pw.println();
-                        needSep = true;
-                        pw.println("  Time since processes crashed:");
-                        printed = true;
-                        printedAnything = true;
-                    }
-                    pw.print("    Process "); pw.print(pname);
-                            pw.print(" uid "); pw.print(puid);
-                            pw.print(": last crashed ");
-                            TimeUtils.formatDuration(now-uids.valueAt(i), pw);
-                            pw.println(" ago");
-                }
-            }
-        }
-
-        if (mBadProcesses.getMap().size() > 0) {
-            boolean printed = false;
-            final ArrayMap<String, SparseArray<BadProcessInfo>> pmap = mBadProcesses.getMap();
-            final int NP = pmap.size();
-            for (int ip=0; ip<NP; ip++) {
-                String pname = pmap.keyAt(ip);
-                SparseArray<BadProcessInfo> uids = pmap.valueAt(ip);
-                final int N = uids.size();
-                for (int i=0; i<N; i++) {
-                    int puid = uids.keyAt(i);
-                    ProcessRecord r = mProcessNames.get(pname, puid);
-                    if (dumpPackage != null && (r == null
-                            || !r.pkgList.containsKey(dumpPackage))) {
-                        continue;
-                    }
-                    if (!printed) {
-                        if (needSep) pw.println();
-                        needSep = true;
-                        pw.println("  Bad processes:");
-                        printedAnything = true;
-                    }
-                    BadProcessInfo info = uids.valueAt(i);
-                    pw.print("    Bad process "); pw.print(pname);
-                            pw.print(" uid "); pw.print(puid);
-                            pw.print(": crashed at time "); pw.println(info.time);
-                    if (info.shortMsg != null) {
-                        pw.print("      Short msg: "); pw.println(info.shortMsg);
-                    }
-                    if (info.longMsg != null) {
-                        pw.print("      Long msg: "); pw.println(info.longMsg);
-                    }
-                    if (info.stack != null) {
-                        pw.println("      Stack:");
-                        int lastPos = 0;
-                        for (int pos=0; pos<info.stack.length(); pos++) {
-                            if (info.stack.charAt(pos) == '\n') {
-                                pw.print("        ");
-                                pw.write(info.stack, lastPos, pos-lastPos);
-                                pw.println();
-                                lastPos = pos+1;
-                            }
-                        }
-                        if (lastPos < info.stack.length()) {
-                            pw.print("        ");
-                            pw.write(info.stack, lastPos, info.stack.length()-lastPos);
-                            pw.println();
-                        }
-                    }
-                }
-            }
+        needSep = mAppErrors.dumpLocked(fd, pw, needSep, dumpPackage);
+        if (needSep) {
+            printedAnything = true;
         }
 
         if (dumpPackage == null) {
@@ -21173,13 +20440,6 @@
         }
     }
 
-    void stopReportingCrashesLocked(ProcessRecord proc) {
-        if (mAppsNotReportingCrashes == null) {
-            mAppsNotReportingCrashes = new ArraySet<>();
-        }
-        mAppsNotReportingCrashes.add(proc.info.packageName);
-    }
-
     private final class LocalService extends ActivityManagerInternal {
         @Override
         public void onWakefulnessChanged(int wakefulness) {
diff --git a/services/core/java/com/android/server/am/ActivityStack.java b/services/core/java/com/android/server/am/ActivityStack.java
index 4bac2d6..ef8d230 100644
--- a/services/core/java/com/android/server/am/ActivityStack.java
+++ b/services/core/java/com/android/server/am/ActivityStack.java
@@ -3041,42 +3041,44 @@
         mService.updateOomAdjLocked();
     }
 
-    final void finishTopRunningActivityLocked(ProcessRecord app, String reason) {
+    final TaskRecord finishTopRunningActivityLocked(ProcessRecord app, String reason) {
         ActivityRecord r = topRunningActivityLocked();
-        if (r != null && r.app == app) {
-            // If the top running activity is from this crashing
-            // process, then terminate it to avoid getting in a loop.
-            Slog.w(TAG, "  Force finishing activity "
-                    + r.intent.getComponent().flattenToShortString());
-            int taskNdx = mTaskHistory.indexOf(r.task);
-            int activityNdx = r.task.mActivities.indexOf(r);
-            finishActivityLocked(r, Activity.RESULT_CANCELED, null, reason, false);
-            // Also terminate any activities below it that aren't yet
-            // stopped, to avoid a situation where one will get
-            // re-start our crashing activity once it gets resumed again.
-            --activityNdx;
-            if (activityNdx < 0) {
-                do {
-                    --taskNdx;
-                    if (taskNdx < 0) {
-                        break;
-                    }
-                    activityNdx = mTaskHistory.get(taskNdx).mActivities.size() - 1;
-                } while (activityNdx < 0);
-            }
-            if (activityNdx >= 0) {
-                r = mTaskHistory.get(taskNdx).mActivities.get(activityNdx);
-                if (r.state == ActivityState.RESUMED
-                        || r.state == ActivityState.PAUSING
-                        || r.state == ActivityState.PAUSED) {
-                    if (!r.isHomeActivity() || mService.mHomeProcess != r.app) {
-                        Slog.w(TAG, "  Force finishing activity "
-                                + r.intent.getComponent().flattenToShortString());
-                        finishActivityLocked(r, Activity.RESULT_CANCELED, null, reason, false);
-                    }
+        TaskRecord finishedTask = null;
+        if (r == null || r.app != app) {
+            return null;
+        }
+        Slog.w(TAG, "  Force finishing activity "
+                + r.intent.getComponent().flattenToShortString());
+        int taskNdx = mTaskHistory.indexOf(r.task);
+        int activityNdx = r.task.mActivities.indexOf(r);
+        finishActivityLocked(r, Activity.RESULT_CANCELED, null, reason, false);
+        finishedTask = r.task;
+        // Also terminate any activities below it that aren't yet
+        // stopped, to avoid a situation where one will get
+        // re-start our crashing activity once it gets resumed again.
+        --activityNdx;
+        if (activityNdx < 0) {
+            do {
+                --taskNdx;
+                if (taskNdx < 0) {
+                    break;
+                }
+                activityNdx = mTaskHistory.get(taskNdx).mActivities.size() - 1;
+            } while (activityNdx < 0);
+        }
+        if (activityNdx >= 0) {
+            r = mTaskHistory.get(taskNdx).mActivities.get(activityNdx);
+            if (r.state == ActivityState.RESUMED
+                    || r.state == ActivityState.PAUSING
+                    || r.state == ActivityState.PAUSED) {
+                if (!r.isHomeActivity() || mService.mHomeProcess != r.app) {
+                    Slog.w(TAG, "  Force finishing activity "
+                            + r.intent.getComponent().flattenToShortString());
+                    finishActivityLocked(r, Activity.RESULT_CANCELED, null, reason, false);
                 }
             }
         }
+        return finishedTask;
     }
 
     final void finishVoiceTask(IVoiceInteractionSession session) {
diff --git a/services/core/java/com/android/server/am/ActivityStackSupervisor.java b/services/core/java/com/android/server/am/ActivityStackSupervisor.java
index 1fc674b..8db2f8f 100644
--- a/services/core/java/com/android/server/am/ActivityStackSupervisor.java
+++ b/services/core/java/com/android/server/am/ActivityStackSupervisor.java
@@ -1668,15 +1668,21 @@
         return false;
     }
 
-    void finishTopRunningActivityLocked(ProcessRecord app, String reason) {
+    TaskRecord finishTopRunningActivityLocked(ProcessRecord app, String reason) {
+        TaskRecord finishedTask = null;
+        ActivityStack focusedStack = getFocusedStack();
         for (int displayNdx = mActivityDisplays.size() - 1; displayNdx >= 0; --displayNdx) {
             final ArrayList<ActivityStack> stacks = mActivityDisplays.valueAt(displayNdx).mStacks;
             final int numStacks = stacks.size();
             for (int stackNdx = 0; stackNdx < numStacks; ++stackNdx) {
                 final ActivityStack stack = stacks.get(stackNdx);
-                stack.finishTopRunningActivityLocked(app, reason);
+                TaskRecord t = stack.finishTopRunningActivityLocked(app, reason);
+                if (stack == focusedStack || finishedTask == null) {
+                    finishedTask = t;
+                }
             }
         }
+        return finishedTask;
     }
 
     void finishVoiceTask(IVoiceInteractionSession session) {
diff --git a/services/core/java/com/android/server/am/AppErrorDialog.java b/services/core/java/com/android/server/am/AppErrorDialog.java
index c87eae0..b746a4b 100644
--- a/services/core/java/com/android/server/am/AppErrorDialog.java
+++ b/services/core/java/com/android/server/am/AppErrorDialog.java
@@ -16,73 +16,74 @@
 
 package com.android.server.am;
 
+import android.app.ActivityManagerInternal;
+import android.app.ActivityOptions;
 import android.content.Context;
-import android.content.DialogInterface;
+import android.content.pm.IPackageDataObserver;
+import android.content.pm.PackageManager;
 import android.content.res.Resources;
 import android.os.Bundle;
 import android.os.Handler;
 import android.os.Message;
+import android.util.Slog;
 import android.view.LayoutInflater;
 import android.view.View;
-import android.view.ViewGroup;
 import android.view.WindowManager;
-import android.widget.CheckBox;
 import android.widget.FrameLayout;
 import android.widget.TextView;
 
-final class AppErrorDialog extends BaseErrorDialog {
+import java.util.List;
+
+import static com.android.server.am.ActivityManagerService.IS_USER_BUILD;
+
+final class AppErrorDialog extends BaseErrorDialog implements View.OnClickListener {
     private final ActivityManagerService mService;
     private final AppErrorResult mResult;
     private final ProcessRecord mProc;
+    private final boolean mRepeating;
+
     private CharSequence mName;
 
     // Event 'what' codes
-    static final int FORCE_QUIT = 0;
-    static final int FORCE_QUIT_AND_REPORT = 1;
+    static final int FORCE_QUIT = 1;
+    static final int FORCE_QUIT_AND_REPORT = 2;
+    static final int RESTART = 3;
+    static final int RESET = 4;
+    static final int MUTE = 5;
 
     // 5-minute timeout, then we automatically dismiss the crash dialog
     static final long DISMISS_TIMEOUT = 1000 * 60 * 5;
-    
-    public AppErrorDialog(Context context, ActivityManagerService service,
-            AppErrorResult result, ProcessRecord app) {
-        super(context);
 
+    public AppErrorDialog(Context context, ActivityManagerService service, Data data) {
+        super(context);
         Resources res = context.getResources();
 
         mService = service;
-        mProc = app;
-        mResult = result;
-        if ((app.pkgList.size() == 1) &&
-                (mName = context.getPackageManager().getApplicationLabel(app.info)) != null) {
-            setMessage(res.getString(
-                    com.android.internal.R.string.aerr_application,
-                    mName.toString(), app.info.processName));
+        mProc = data.proc;
+        mResult = data.result;
+        mRepeating = data.repeating;
+        if ((mProc.pkgList.size() == 1) &&
+                (mName = context.getPackageManager().getApplicationLabel(mProc.info)) != null) {
+            setTitle(res.getString(
+                    mRepeating ? com.android.internal.R.string.aerr_application_repeated
+                            : com.android.internal.R.string.aerr_application,
+                    mName.toString(), mProc.info.processName));
         } else {
-            mName = app.processName;
-            setMessage(res.getString(
-                    com.android.internal.R.string.aerr_process,
+            mName = mProc.processName;
+            setTitle(res.getString(
+                    mRepeating ? com.android.internal.R.string.aerr_process_repeated
+                            : com.android.internal.R.string.aerr_process,
                     mName.toString()));
         }
 
         setCancelable(false);
 
-        setButton(DialogInterface.BUTTON_POSITIVE,
-                res.getText(com.android.internal.R.string.force_close),
-                mHandler.obtainMessage(FORCE_QUIT));
-
-        if (app.errorReportReceiver != null) {
-            setButton(DialogInterface.BUTTON_NEGATIVE,
-                    res.getText(com.android.internal.R.string.report),
-                    mHandler.obtainMessage(FORCE_QUIT_AND_REPORT));
-        }
-
-        setTitle(res.getText(com.android.internal.R.string.aerr_title));
         WindowManager.LayoutParams attrs = getWindow().getAttributes();
-        attrs.setTitle("Application Error: " + app.info.processName);
+        attrs.setTitle("Application Error: " + mProc.info.processName);
         attrs.privateFlags |= WindowManager.LayoutParams.PRIVATE_FLAG_SYSTEM_ERROR
                 | WindowManager.LayoutParams.PRIVATE_FLAG_SHOW_FOR_ALL_USERS;
         getWindow().setAttributes(attrs);
-        if (app.persistent) {
+        if (mProc.persistent) {
             getWindow().setType(WindowManager.LayoutParams.TYPE_SYSTEM_ERROR);
         }
 
@@ -95,38 +96,44 @@
     @Override
     protected void onCreate(Bundle savedInstanceState) {
         super.onCreate(savedInstanceState);
-        if (!ActivityManagerService.IS_USER_BUILD) {
-            FrameLayout frame = (FrameLayout) findViewById(android.R.id.custom);
-            Context context = getContext();
-            LayoutInflater.from(context).inflate(
-                    com.android.internal.R.layout.app_error_dialog_dont_show_again, frame, true);
-            ((TextView) frame.findViewById(com.android.internal.R.id.text)).setText(
-                    context.getResources().getString(
-                            com.android.internal.R.string.aerr_process_silence,
-                            mName.toString()));
-            findViewById(com.android.internal.R.id.customPanel).setVisibility(View.VISIBLE);
-        }
+        final FrameLayout frame = (FrameLayout) findViewById(android.R.id.custom);
+        final Context context = getContext();
+        LayoutInflater.from(context).inflate(
+                com.android.internal.R.layout.app_error_dialog, frame, true);
+
+        final TextView restart = (TextView) findViewById(com.android.internal.R.id.aerr_restart);
+        restart.setOnClickListener(this);
+        restart.setVisibility(!mRepeating ? View.VISIBLE : View.GONE);
+        final TextView reset = (TextView) findViewById(com.android.internal.R.id.aerr_reset);
+        reset.setOnClickListener(this);
+        reset.setVisibility(mRepeating ? View.VISIBLE : View.GONE);
+        final TextView report = (TextView) findViewById(com.android.internal.R.id.aerr_report);
+        report.setOnClickListener(this);
+        final boolean hasReceiver = mProc.errorReportReceiver != null;
+        report.setVisibility(hasReceiver ? View.VISIBLE : View.GONE);
+        final TextView close = (TextView) findViewById(com.android.internal.R.id.aerr_close);
+        close.setOnClickListener(this);
+        final TextView mute = (TextView) findViewById(com.android.internal.R.id.aerr_mute);
+        mute.setOnClickListener(this);
+        mute.setVisibility(!IS_USER_BUILD ? View.VISIBLE : View.GONE);
+
+        findViewById(com.android.internal.R.id.customPanel).setVisibility(View.VISIBLE);
     }
 
     private final Handler mHandler = new Handler() {
         public void handleMessage(Message msg) {
-            View view = findViewById(com.android.internal.R.id.checkbox);
-            final boolean stopReporting = view != null && ((CheckBox) view).isChecked();
+            final int result = msg.what;
+
             synchronized (mService) {
                 if (mProc != null && mProc.crashDialog == AppErrorDialog.this) {
                     mProc.crashDialog = null;
                 }
-                if (stopReporting) {
-                    mService.stopReportingCrashesLocked(mProc);
-                }
             }
-            mResult.set(msg.what);
+            mResult.set(result);
 
             // Make sure we don't have time timeout still hanging around.
             removeMessages(FORCE_QUIT);
 
-            // If this is a timeout we won't be automatically closed, so go
-            // ahead and explicitly dismiss ourselves just in case.
             dismiss();
         }
     };
@@ -139,4 +146,34 @@
         }
         super.dismiss();
     }
+
+    @Override
+    public void onClick(View v) {
+        switch (v.getId()) {
+            case com.android.internal.R.id.aerr_restart:
+                mHandler.obtainMessage(RESTART).sendToTarget();
+                break;
+            case com.android.internal.R.id.aerr_reset:
+                mHandler.obtainMessage(RESET).sendToTarget();
+                break;
+            case com.android.internal.R.id.aerr_report:
+                mHandler.obtainMessage(FORCE_QUIT_AND_REPORT).sendToTarget();
+                break;
+            case com.android.internal.R.id.aerr_close:
+                mHandler.obtainMessage(FORCE_QUIT).sendToTarget();
+                break;
+            case com.android.internal.R.id.aerr_mute:
+                mHandler.obtainMessage(MUTE).sendToTarget();
+                break;
+            default:
+                break;
+        }
+    }
+
+    static class Data {
+        AppErrorResult result;
+        TaskRecord task;
+        boolean repeating;
+        ProcessRecord proc;
+    }
 }
diff --git a/services/core/java/com/android/server/am/AppErrors.java b/services/core/java/com/android/server/am/AppErrors.java
new file mode 100644
index 0000000..58d9f45
--- /dev/null
+++ b/services/core/java/com/android/server/am/AppErrors.java
@@ -0,0 +1,964 @@
+/*
+ * Copyright (C) 2016 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License
+ */
+
+package com.android.server.am;
+
+import com.android.internal.app.ProcessMap;
+import com.android.internal.os.ProcessCpuTracker;
+import com.android.server.Watchdog;
+
+import android.app.Activity;
+import android.app.ActivityManager;
+import android.app.ActivityOptions;
+import android.app.ActivityThread;
+import android.app.AppOpsManager;
+import android.app.ApplicationErrorReport;
+import android.app.Dialog;
+import android.content.ActivityNotFoundException;
+import android.content.Context;
+import android.content.Intent;
+import android.content.pm.ApplicationInfo;
+import android.content.pm.IPackageDataObserver;
+import android.content.pm.PackageManager;
+import android.os.Binder;
+import android.os.Bundle;
+import android.os.Message;
+import android.os.Process;
+import android.os.RemoteException;
+import android.os.SystemClock;
+import android.os.SystemProperties;
+import android.os.UserHandle;
+import android.provider.Settings;
+import android.util.ArrayMap;
+import android.util.ArraySet;
+import android.util.EventLog;
+import android.util.Log;
+import android.util.Slog;
+import android.util.SparseArray;
+import android.util.TimeUtils;
+
+import java.io.File;
+import java.io.FileDescriptor;
+import java.io.PrintWriter;
+import java.util.ArrayList;
+import java.util.Collections;
+import java.util.HashMap;
+import java.util.concurrent.Semaphore;
+
+import static com.android.server.Watchdog.NATIVE_STACKS_OF_INTEREST;
+import static com.android.server.am.ActivityManagerDebugConfig.TAG_AM;
+import static com.android.server.am.ActivityManagerDebugConfig.TAG_WITH_CLASS_NAME;
+import static com.android.server.am.ActivityManagerService.MY_PID;
+import static com.android.server.am.ActivityManagerService.SYSTEM_DEBUGGABLE;
+
+/**
+ * Controls error conditions in applications.
+ */
+class AppErrors {
+
+    private static final String TAG = TAG_WITH_CLASS_NAME ? "AppErrors" : TAG_AM;
+
+    private final ActivityManagerService mService;
+    private final Context mContext;
+
+    private ArraySet<String> mAppsNotReportingCrashes;
+
+    /**
+     * The last time that various processes have crashed since they were last explicitly started.
+     */
+    private final ProcessMap<Long> mProcessCrashTimes = new ProcessMap<>();
+
+    /**
+     * The last time that various processes have crashed (not reset even when explicitly started).
+     */
+    private final ProcessMap<Long> mProcessCrashTimesPersistent = new ProcessMap<>();
+
+    /**
+     * Set of applications that we consider to be bad, and will reject
+     * incoming broadcasts from (which the user has no control over).
+     * Processes are added to this set when they have crashed twice within
+     * a minimum amount of time; they are removed from it when they are
+     * later restarted (hopefully due to some user action).  The value is the
+     * time it was added to the list.
+     */
+    private final ProcessMap<BadProcessInfo> mBadProcesses = new ProcessMap<>();
+
+
+    AppErrors(Context context, ActivityManagerService service) {
+        mService = service;
+        mContext = context;
+    }
+
+    boolean dumpLocked(FileDescriptor fd, PrintWriter pw, boolean needSep,
+            String dumpPackage) {
+        if (!mProcessCrashTimes.getMap().isEmpty()) {
+            boolean printed = false;
+            final long now = SystemClock.uptimeMillis();
+            final ArrayMap<String, SparseArray<Long>> pmap = mProcessCrashTimes.getMap();
+            final int processCount = pmap.size();
+            for (int ip = 0; ip < processCount; ip++) {
+                final String pname = pmap.keyAt(ip);
+                final SparseArray<Long> uids = pmap.valueAt(ip);
+                final int uidCount = uids.size();
+                for (int i = 0; i < uidCount; i++) {
+                    final int puid = uids.keyAt(i);
+                    final ProcessRecord r = mService.mProcessNames.get(pname, puid);
+                    if (dumpPackage != null && (r == null
+                            || !r.pkgList.containsKey(dumpPackage))) {
+                        continue;
+                    }
+                    if (!printed) {
+                        if (needSep) pw.println();
+                        needSep = true;
+                        pw.println("  Time since processes crashed:");
+                        printed = true;
+                    }
+                    pw.print("    Process "); pw.print(pname);
+                    pw.print(" uid "); pw.print(puid);
+                    pw.print(": last crashed ");
+                    TimeUtils.formatDuration(now-uids.valueAt(i), pw);
+                    pw.println(" ago");
+                }
+            }
+        }
+
+        if (!mBadProcesses.getMap().isEmpty()) {
+            boolean printed = false;
+            final ArrayMap<String, SparseArray<BadProcessInfo>> pmap = mBadProcesses.getMap();
+            final int processCount = pmap.size();
+            for (int ip = 0; ip < processCount; ip++) {
+                final String pname = pmap.keyAt(ip);
+                final SparseArray<BadProcessInfo> uids = pmap.valueAt(ip);
+                final int uidCount = uids.size();
+                for (int i = 0; i < uidCount; i++) {
+                    final int puid = uids.keyAt(i);
+                    final ProcessRecord r = mService.mProcessNames.get(pname, puid);
+                    if (dumpPackage != null && (r == null
+                            || !r.pkgList.containsKey(dumpPackage))) {
+                        continue;
+                    }
+                    if (!printed) {
+                        if (needSep) pw.println();
+                        needSep = true;
+                        pw.println("  Bad processes:");
+                        printed = true;
+                    }
+                    final BadProcessInfo info = uids.valueAt(i);
+                    pw.print("    Bad process "); pw.print(pname);
+                    pw.print(" uid "); pw.print(puid);
+                    pw.print(": crashed at time "); pw.println(info.time);
+                    if (info.shortMsg != null) {
+                        pw.print("      Short msg: "); pw.println(info.shortMsg);
+                    }
+                    if (info.longMsg != null) {
+                        pw.print("      Long msg: "); pw.println(info.longMsg);
+                    }
+                    if (info.stack != null) {
+                        pw.println("      Stack:");
+                        int lastPos = 0;
+                        for (int pos = 0; pos < info.stack.length(); pos++) {
+                            if (info.stack.charAt(pos) == '\n') {
+                                pw.print("        ");
+                                pw.write(info.stack, lastPos, pos-lastPos);
+                                pw.println();
+                                lastPos = pos+1;
+                            }
+                        }
+                        if (lastPos < info.stack.length()) {
+                            pw.print("        ");
+                            pw.write(info.stack, lastPos, info.stack.length()-lastPos);
+                            pw.println();
+                        }
+                    }
+                }
+            }
+        }
+        return needSep;
+    }
+
+    boolean isBadProcessLocked(ApplicationInfo info) {
+        return mBadProcesses.get(info.processName, info.uid) != null;
+    }
+
+    void clearBadProcessLocked(ApplicationInfo info) {
+        mBadProcesses.remove(info.processName, info.uid);
+    }
+
+    void resetProcessCrashTimeLocked(ApplicationInfo info) {
+        mProcessCrashTimes.remove(info.processName, info.uid);
+    }
+
+    void resetProcessCrashTimeLocked(boolean resetEntireUser, int appId, int userId) {
+        final ArrayMap<String, SparseArray<Long>> pmap = mProcessCrashTimes.getMap();
+        for (int ip = pmap.size() - 1; ip >= 0; ip--) {
+            SparseArray<Long> ba = pmap.valueAt(ip);
+            for (int i = ba.size() - 1; i >= 0; i--) {
+                boolean remove = false;
+                final int entUid = ba.keyAt(i);
+                if (!resetEntireUser) {
+                    if (userId == UserHandle.USER_ALL) {
+                        if (UserHandle.getAppId(entUid) == appId) {
+                            remove = true;
+                        }
+                    } else {
+                        if (entUid == UserHandle.getUid(userId, appId)) {
+                            remove = true;
+                        }
+                    }
+                } else if (UserHandle.getUserId(entUid) == userId) {
+                    remove = true;
+                }
+                if (remove) {
+                    ba.removeAt(i);
+                }
+            }
+            if (ba.size() == 0) {
+                pmap.removeAt(ip);
+            }
+        }
+    }
+
+    void loadAppsNotReportingCrashesFromConfigLocked(String appsNotReportingCrashesConfig) {
+        if (appsNotReportingCrashesConfig != null) {
+            final String[] split = appsNotReportingCrashesConfig.split(",");
+            if (split.length > 0) {
+                mAppsNotReportingCrashes = new ArraySet<>();
+                Collections.addAll(mAppsNotReportingCrashes, split);
+            }
+        }
+    }
+
+    void killAppAtUserRequestLocked(ProcessRecord app, Dialog fromDialog) {
+        app.crashing = false;
+        app.crashingReport = null;
+        app.notResponding = false;
+        app.notRespondingReport = null;
+        if (app.anrDialog == fromDialog) {
+            app.anrDialog = null;
+        }
+        if (app.waitDialog == fromDialog) {
+            app.waitDialog = null;
+        }
+        if (app.pid > 0 && app.pid != MY_PID) {
+            handleAppCrashLocked(app, "user-terminated" /*reason*/,
+                    null /*shortMsg*/, null /*longMsg*/, null /*stackTrace*/, null /*data*/);
+            app.kill("user request after error", true);
+        }
+    }
+
+    void scheduleAppCrashLocked(int uid, int initialPid, String packageName,
+            String message) {
+        ProcessRecord proc = null;
+
+        // Figure out which process to kill.  We don't trust that initialPid
+        // still has any relation to current pids, so must scan through the
+        // list.
+
+        synchronized (mService.mPidsSelfLocked) {
+            for (int i=0; i<mService.mPidsSelfLocked.size(); i++) {
+                ProcessRecord p = mService.mPidsSelfLocked.valueAt(i);
+                if (p.uid != uid) {
+                    continue;
+                }
+                if (p.pid == initialPid) {
+                    proc = p;
+                    break;
+                }
+                if (p.pkgList.containsKey(packageName)) {
+                    proc = p;
+                }
+            }
+        }
+
+        if (proc == null) {
+            Slog.w(TAG, "crashApplication: nothing for uid=" + uid
+                    + " initialPid=" + initialPid
+                    + " packageName=" + packageName);
+            return;
+        }
+
+        if (proc.thread != null) {
+            if (proc.pid == Process.myPid()) {
+                Log.w(TAG, "crashApplication: trying to crash self!");
+                return;
+            }
+            long ident = Binder.clearCallingIdentity();
+            try {
+                proc.thread.scheduleCrash(message);
+            } catch (RemoteException e) {
+            } finally {
+                Binder.restoreCallingIdentity(ident);
+            }
+        }
+    }
+
+    /**
+     * Bring up the "unexpected error" dialog box for a crashing app.
+     * Deal with edge cases (intercepts from instrumented applications,
+     * ActivityController, error intent receivers, that sort of thing).
+     * @param r the application crashing
+     * @param crashInfo describing the failure
+     */
+    void crashApplication(ProcessRecord r, ApplicationErrorReport.CrashInfo crashInfo) {
+        long timeMillis = System.currentTimeMillis();
+        String shortMsg = crashInfo.exceptionClassName;
+        String longMsg = crashInfo.exceptionMessage;
+        String stackTrace = crashInfo.stackTrace;
+        if (shortMsg != null && longMsg != null) {
+            longMsg = shortMsg + ": " + longMsg;
+        } else if (shortMsg != null) {
+            longMsg = shortMsg;
+        }
+
+        AppErrorResult result = new AppErrorResult();
+        TaskRecord task;
+        synchronized (mService) {
+            if (mService.mController != null) {
+                try {
+                    String name = r != null ? r.processName : null;
+                    int pid = r != null ? r.pid : Binder.getCallingPid();
+                    int uid = r != null ? r.info.uid : Binder.getCallingUid();
+                    if (!mService.mController.appCrashed(name, pid,
+                            shortMsg, longMsg, timeMillis, crashInfo.stackTrace)) {
+                        if ("1".equals(SystemProperties.get(SYSTEM_DEBUGGABLE, "0"))
+                                && "Native crash".equals(crashInfo.exceptionClassName)) {
+                            Slog.w(TAG, "Skip killing native crashed app " + name
+                                    + "(" + pid + ") during testing");
+                        } else {
+                            Slog.w(TAG, "Force-killing crashed app " + name
+                                    + " at watcher's request");
+                            if (r != null) {
+                                r.kill("crash", true);
+                            } else {
+                                // Huh.
+                                Process.killProcess(pid);
+                                ActivityManagerService.killProcessGroup(uid, pid);
+                            }
+                        }
+                        return;
+                    }
+                } catch (RemoteException e) {
+                    mService.mController = null;
+                    Watchdog.getInstance().setActivityController(null);
+                }
+            }
+
+            final long origId = Binder.clearCallingIdentity();
+
+            // If this process is running instrumentation, finish it.
+            if (r != null && r.instrumentationClass != null) {
+                Slog.w(TAG, "Error in app " + r.processName
+                        + " running instrumentation " + r.instrumentationClass + ":");
+                if (shortMsg != null) Slog.w(TAG, "  " + shortMsg);
+                if (longMsg != null) Slog.w(TAG, "  " + longMsg);
+                Bundle info = new Bundle();
+                info.putString("shortMsg", shortMsg);
+                info.putString("longMsg", longMsg);
+                mService.finishInstrumentationLocked(r, Activity.RESULT_CANCELED, info);
+                Binder.restoreCallingIdentity(origId);
+                return;
+            }
+
+            // Log crash in battery stats.
+            if (r != null) {
+                mService.mBatteryStatsService.noteProcessCrash(r.processName, r.uid);
+            }
+
+            AppErrorDialog.Data data = new AppErrorDialog.Data();
+            data.result = result;
+            data.proc = r;
+
+            // If we can't identify the process or it's already exceeded its crash quota,
+            // quit right away without showing a crash dialog.
+            if (r == null || !makeAppCrashingLocked(r, shortMsg, longMsg, stackTrace, data)) {
+                Binder.restoreCallingIdentity(origId);
+                return;
+            }
+
+            Message msg = Message.obtain();
+            msg.what = ActivityManagerService.SHOW_ERROR_UI_MSG;
+
+            task = data.task;
+            msg.obj = data;
+            mService.mUiHandler.sendMessage(msg);
+
+            Binder.restoreCallingIdentity(origId);
+        }
+
+        int res = result.get();
+
+        Intent appErrorIntent = null;
+        final long ident = Binder.clearCallingIdentity();
+        try {
+            if (res == AppErrorDialog.RESET) {
+                String[] packageList = r.getPackageList();
+                if (packageList != null) {
+                    PackageManager pm = mContext.getPackageManager();
+                    final Semaphore s = new Semaphore(0);
+                    for (int i = 0; i < packageList.length; i++) {
+                        if (i < packageList.length - 1) {
+                            pm.deleteApplicationCacheFiles(packageList[i], null);
+                        } else {
+                            pm.deleteApplicationCacheFiles(packageList[i],
+                                    new IPackageDataObserver.Stub() {
+                                        @Override
+                                        public void onRemoveCompleted(String packageName,
+                                                boolean succeeded) {
+                                            s.release();
+                                        }
+                                    });
+
+                            // Wait until cache has been cleared before we restart.
+                            try {
+                                s.acquire();
+                            } catch (InterruptedException e) {
+                            }
+                        }
+                    }
+                }
+                // If there was nothing to reset, just restart;
+                res = AppErrorDialog.RESTART;
+            }
+            synchronized (mService) {
+                if (res == AppErrorDialog.MUTE) {
+                    stopReportingCrashesLocked(r);
+                }
+                if (res == AppErrorDialog.RESTART) {
+                    mService.removeProcessLocked(r, false, true, "crash");
+                    if (task != null) {
+                        try {
+                            mService.startActivityFromRecents(task.taskId,
+                                    ActivityOptions.makeBasic().toBundle());
+                        } catch (IllegalArgumentException e) {
+                            // Hmm, that didn't work, app might have crashed before creating a
+                            // recents entry. Let's see if we have a safe-to-restart intent.
+                            if (task.intent.getCategories().contains(
+                                    Intent.CATEGORY_LAUNCHER)) {
+                                mService.startActivityInPackage(task.mCallingUid,
+                                        task.mCallingPackage, task.intent,
+                                        null, null, null, 0, 0,
+                                        ActivityOptions.makeBasic().toBundle(),
+                                        task.userId, null, null);
+                            }
+                        }
+                    }
+                }
+                if (res == AppErrorDialog.FORCE_QUIT) {
+                    long orig = Binder.clearCallingIdentity();
+                    try {
+                        // Kill it with fire!
+                        mService.mStackSupervisor.handleAppCrashLocked(r);
+                        if (!r.persistent) {
+                            mService.removeProcessLocked(r, false, false, "crash");
+                            mService.mStackSupervisor.resumeFocusedStackTopActivityLocked();
+                        }
+                    } finally {
+                        Binder.restoreCallingIdentity(orig);
+                    }
+                }
+                if (res == AppErrorDialog.FORCE_QUIT_AND_REPORT) {
+                    appErrorIntent = createAppErrorIntentLocked(r, timeMillis, crashInfo);
+                }
+                if (r != null && !r.isolated && res != AppErrorDialog.RESTART) {
+                    // XXX Can't keep track of crash time for isolated processes,
+                    // since they don't have a persistent identity.
+                    mProcessCrashTimes.put(r.info.processName, r.uid,
+                            SystemClock.uptimeMillis());
+                }
+            }
+        } finally {
+            Binder.restoreCallingIdentity(ident);
+        }
+
+        if (appErrorIntent != null) {
+            try {
+                mContext.startActivityAsUser(appErrorIntent, new UserHandle(r.userId));
+            } catch (ActivityNotFoundException e) {
+                Slog.w(TAG, "bug report receiver dissappeared", e);
+            }
+        }
+    }
+
+    private boolean makeAppCrashingLocked(ProcessRecord app,
+            String shortMsg, String longMsg, String stackTrace, AppErrorDialog.Data data) {
+        app.crashing = true;
+        app.crashingReport = generateProcessError(app,
+                ActivityManager.ProcessErrorStateInfo.CRASHED, null, shortMsg, longMsg, stackTrace);
+        startAppProblemLocked(app);
+        app.stopFreezingAllLocked();
+        return handleAppCrashLocked(app, "force-crash" /*reason*/, shortMsg, longMsg, stackTrace,
+                data);
+    }
+
+    void startAppProblemLocked(ProcessRecord app) {
+        // If this app is not running under the current user, then we
+        // can't give it a report button because that would require
+        // launching the report UI under a different user.
+        app.errorReportReceiver = null;
+
+        for (int userId : mService.mUserController.getCurrentProfileIdsLocked()) {
+            if (app.userId == userId) {
+                app.errorReportReceiver = ApplicationErrorReport.getErrorReportReceiver(
+                        mContext, app.info.packageName, app.info.flags);
+            }
+        }
+        mService.skipCurrentReceiverLocked(app);
+    }
+
+    /**
+     * Generate a process error record, suitable for attachment to a ProcessRecord.
+     *
+     * @param app The ProcessRecord in which the error occurred.
+     * @param condition Crashing, Application Not Responding, etc.  Values are defined in
+     *                      ActivityManager.AppErrorStateInfo
+     * @param activity The activity associated with the crash, if known.
+     * @param shortMsg Short message describing the crash.
+     * @param longMsg Long message describing the crash.
+     * @param stackTrace Full crash stack trace, may be null.
+     *
+     * @return Returns a fully-formed AppErrorStateInfo record.
+     */
+    private ActivityManager.ProcessErrorStateInfo generateProcessError(ProcessRecord app,
+            int condition, String activity, String shortMsg, String longMsg, String stackTrace) {
+        ActivityManager.ProcessErrorStateInfo report = new ActivityManager.ProcessErrorStateInfo();
+
+        report.condition = condition;
+        report.processName = app.processName;
+        report.pid = app.pid;
+        report.uid = app.info.uid;
+        report.tag = activity;
+        report.shortMsg = shortMsg;
+        report.longMsg = longMsg;
+        report.stackTrace = stackTrace;
+
+        return report;
+    }
+
+    Intent createAppErrorIntentLocked(ProcessRecord r,
+            long timeMillis, ApplicationErrorReport.CrashInfo crashInfo) {
+        ApplicationErrorReport report = createAppErrorReportLocked(r, timeMillis, crashInfo);
+        if (report == null) {
+            return null;
+        }
+        Intent result = new Intent(Intent.ACTION_APP_ERROR);
+        result.setComponent(r.errorReportReceiver);
+        result.putExtra(Intent.EXTRA_BUG_REPORT, report);
+        result.addFlags(Intent.FLAG_ACTIVITY_NEW_TASK);
+        return result;
+    }
+
+    private ApplicationErrorReport createAppErrorReportLocked(ProcessRecord r,
+            long timeMillis, ApplicationErrorReport.CrashInfo crashInfo) {
+        if (r.errorReportReceiver == null) {
+            return null;
+        }
+
+        if (!r.crashing && !r.notResponding && !r.forceCrashReport) {
+            return null;
+        }
+
+        ApplicationErrorReport report = new ApplicationErrorReport();
+        report.packageName = r.info.packageName;
+        report.installerPackageName = r.errorReportReceiver.getPackageName();
+        report.processName = r.processName;
+        report.time = timeMillis;
+        report.systemApp = (r.info.flags & ApplicationInfo.FLAG_SYSTEM) != 0;
+
+        if (r.crashing || r.forceCrashReport) {
+            report.type = ApplicationErrorReport.TYPE_CRASH;
+            report.crashInfo = crashInfo;
+        } else if (r.notResponding) {
+            report.type = ApplicationErrorReport.TYPE_ANR;
+            report.anrInfo = new ApplicationErrorReport.AnrInfo();
+
+            report.anrInfo.activity = r.notRespondingReport.tag;
+            report.anrInfo.cause = r.notRespondingReport.shortMsg;
+            report.anrInfo.info = r.notRespondingReport.longMsg;
+        }
+
+        return report;
+    }
+
+    boolean handleAppCrashLocked(ProcessRecord app, String reason,
+            String shortMsg, String longMsg, String stackTrace, AppErrorDialog.Data data) {
+        long now = SystemClock.uptimeMillis();
+
+        Long crashTime;
+        Long crashTimePersistent;
+        if (!app.isolated) {
+            crashTime = mProcessCrashTimes.get(app.info.processName, app.uid);
+            crashTimePersistent = mProcessCrashTimesPersistent.get(app.info.processName, app.uid);
+        } else {
+            crashTime = crashTimePersistent = null;
+        }
+        if (crashTime != null && now < crashTime+ProcessList.MIN_CRASH_INTERVAL) {
+            // This process loses!
+            Slog.w(TAG, "Process " + app.info.processName
+                    + " has crashed too many times: killing!");
+            EventLog.writeEvent(EventLogTags.AM_PROCESS_CRASHED_TOO_MUCH,
+                    app.userId, app.info.processName, app.uid);
+            mService.mStackSupervisor.handleAppCrashLocked(app);
+            if (!app.persistent) {
+                // We don't want to start this process again until the user
+                // explicitly does so...  but for persistent process, we really
+                // need to keep it running.  If a persistent process is actually
+                // repeatedly crashing, then badness for everyone.
+                EventLog.writeEvent(EventLogTags.AM_PROC_BAD, app.userId, app.uid,
+                        app.info.processName);
+                if (!app.isolated) {
+                    // XXX We don't have a way to mark isolated processes
+                    // as bad, since they don't have a peristent identity.
+                    mBadProcesses.put(app.info.processName, app.uid,
+                            new BadProcessInfo(now, shortMsg, longMsg, stackTrace));
+                    mProcessCrashTimes.remove(app.info.processName, app.uid);
+                }
+                app.bad = true;
+                app.removed = true;
+                // Don't let services in this process be restarted and potentially
+                // annoy the user repeatedly.  Unless it is persistent, since those
+                // processes run critical code.
+                mService.removeProcessLocked(app, false, false, "crash");
+                mService.mStackSupervisor.resumeFocusedStackTopActivityLocked();
+                return false;
+            }
+            mService.mStackSupervisor.resumeFocusedStackTopActivityLocked();
+        } else {
+            TaskRecord affectedTask =
+                    mService.mStackSupervisor.finishTopRunningActivityLocked(app, reason);
+            if (data != null) {
+                data.task = affectedTask;
+            }
+            if (data != null && crashTimePersistent != null
+                    && now < crashTimePersistent + ProcessList.MIN_CRASH_INTERVAL) {
+                data.repeating = true;
+            }
+        }
+
+        // Bump up the crash count of any services currently running in the proc.
+        for (int i=app.services.size()-1; i>=0; i--) {
+            // Any services running in the application need to be placed
+            // back in the pending list.
+            ServiceRecord sr = app.services.valueAt(i);
+            sr.crashCount++;
+        }
+
+        // If the crashing process is what we consider to be the "home process" and it has been
+        // replaced by a third-party app, clear the package preferred activities from packages
+        // with a home activity running in the process to prevent a repeatedly crashing app
+        // from blocking the user to manually clear the list.
+        final ArrayList<ActivityRecord> activities = app.activities;
+        if (app == mService.mHomeProcess && activities.size() > 0
+                && (mService.mHomeProcess.info.flags & ApplicationInfo.FLAG_SYSTEM) == 0) {
+            for (int activityNdx = activities.size() - 1; activityNdx >= 0; --activityNdx) {
+                final ActivityRecord r = activities.get(activityNdx);
+                if (r.isHomeActivity()) {
+                    Log.i(TAG, "Clearing package preferred activities from " + r.packageName);
+                    try {
+                        ActivityThread.getPackageManager()
+                                .clearPackagePreferredActivities(r.packageName);
+                    } catch (RemoteException c) {
+                        // pm is in same process, this will never happen.
+                    }
+                }
+            }
+        }
+
+        if (!app.isolated) {
+            // XXX Can't keep track of crash times for isolated processes,
+            // because they don't have a perisistent identity.
+            mProcessCrashTimes.put(app.info.processName, app.uid, now);
+            mProcessCrashTimesPersistent.put(app.info.processName, app.uid, now);
+        }
+
+        if (app.crashHandler != null) mService.mHandler.post(app.crashHandler);
+        return true;
+    }
+
+    void handleShowAppErrorUi(Message msg) {
+        AppErrorDialog.Data data = (AppErrorDialog.Data) msg.obj;
+        boolean showBackground = Settings.Secure.getInt(mContext.getContentResolver(),
+                Settings.Secure.ANR_SHOW_BACKGROUND, 0) != 0;
+        synchronized (mService) {
+            ProcessRecord proc = data.proc;
+            AppErrorResult res = data.result;
+            if (proc != null && proc.crashDialog != null) {
+                Slog.e(TAG, "App already has crash dialog: " + proc);
+                if (res != null) {
+                    res.set(0);
+                }
+                return;
+            }
+            boolean isBackground = (UserHandle.getAppId(proc.uid)
+                    >= Process.FIRST_APPLICATION_UID
+                    && proc.pid != MY_PID);
+            for (int userId : mService.mUserController.getCurrentProfileIdsLocked()) {
+                isBackground &= (proc.userId != userId);
+            }
+            if (isBackground && !showBackground) {
+                Slog.w(TAG, "Skipping crash dialog of " + proc + ": background");
+                if (res != null) {
+                    res.set(0);
+                }
+                return;
+            }
+            final boolean crashSilenced = mAppsNotReportingCrashes != null &&
+                    mAppsNotReportingCrashes.contains(proc.info.packageName);
+            if (mService.canShowErrorDialogs() && !crashSilenced) {
+                Dialog d = new AppErrorDialog(mContext, mService, data);
+                d.show();
+                proc.crashDialog = d;
+            } else {
+                // The device is asleep, so just pretend that the user
+                // saw a crash dialog and hit "force quit".
+                if (res != null) {
+                    res.set(0);
+                }
+            }
+        }
+    }
+
+    void stopReportingCrashesLocked(ProcessRecord proc) {
+        if (mAppsNotReportingCrashes == null) {
+            mAppsNotReportingCrashes = new ArraySet<>();
+        }
+        mAppsNotReportingCrashes.add(proc.info.packageName);
+    }
+
+    final void appNotResponding(ProcessRecord app, ActivityRecord activity,
+            ActivityRecord parent, boolean aboveSystem, final String annotation) {
+        ArrayList<Integer> firstPids = new ArrayList<Integer>(5);
+        SparseArray<Boolean> lastPids = new SparseArray<Boolean>(20);
+
+        if (mService.mController != null) {
+            try {
+                // 0 == continue, -1 = kill process immediately
+                int res = mService.mController.appEarlyNotResponding(app.processName, app.pid, annotation);
+                if (res < 0 && app.pid != MY_PID) {
+                    app.kill("anr", true);
+                }
+            } catch (RemoteException e) {
+                mService.mController = null;
+                Watchdog.getInstance().setActivityController(null);
+            }
+        }
+
+        long anrTime = SystemClock.uptimeMillis();
+        if (ActivityManagerService.MONITOR_CPU_USAGE) {
+            mService.updateCpuStatsNow();
+        }
+
+        synchronized (mService) {
+            // PowerManager.reboot() can block for a long time, so ignore ANRs while shutting down.
+            if (mService.mShuttingDown) {
+                Slog.i(TAG, "During shutdown skipping ANR: " + app + " " + annotation);
+                return;
+            } else if (app.notResponding) {
+                Slog.i(TAG, "Skipping duplicate ANR: " + app + " " + annotation);
+                return;
+            } else if (app.crashing) {
+                Slog.i(TAG, "Crashing app skipping ANR: " + app + " " + annotation);
+                return;
+            }
+
+            // In case we come through here for the same app before completing
+            // this one, mark as anring now so we will bail out.
+            app.notResponding = true;
+
+            // Log the ANR to the event log.
+            EventLog.writeEvent(EventLogTags.AM_ANR, app.userId, app.pid,
+                    app.processName, app.info.flags, annotation);
+
+            // Dump thread traces as quickly as we can, starting with "interesting" processes.
+            firstPids.add(app.pid);
+
+            int parentPid = app.pid;
+            if (parent != null && parent.app != null && parent.app.pid > 0) {
+                parentPid = parent.app.pid;
+            }
+            if (parentPid != app.pid) firstPids.add(parentPid);
+
+            if (MY_PID != app.pid && MY_PID != parentPid) firstPids.add(MY_PID);
+
+            for (int i = mService.mLruProcesses.size() - 1; i >= 0; i--) {
+                ProcessRecord r = mService.mLruProcesses.get(i);
+                if (r != null && r.thread != null) {
+                    int pid = r.pid;
+                    if (pid > 0 && pid != app.pid && pid != parentPid && pid != MY_PID) {
+                        if (r.persistent) {
+                            firstPids.add(pid);
+                        } else {
+                            lastPids.put(pid, Boolean.TRUE);
+                        }
+                    }
+                }
+            }
+        }
+
+        // Log the ANR to the main log.
+        StringBuilder info = new StringBuilder();
+        info.setLength(0);
+        info.append("ANR in ").append(app.processName);
+        if (activity != null && activity.shortComponentName != null) {
+            info.append(" (").append(activity.shortComponentName).append(")");
+        }
+        info.append("\n");
+        info.append("PID: ").append(app.pid).append("\n");
+        if (annotation != null) {
+            info.append("Reason: ").append(annotation).append("\n");
+        }
+        if (parent != null && parent != activity) {
+            info.append("Parent: ").append(parent.shortComponentName).append("\n");
+        }
+
+        final ProcessCpuTracker processCpuTracker = new ProcessCpuTracker(true);
+
+        File tracesFile = mService.dumpStackTraces(true, firstPids, processCpuTracker, lastPids,
+                NATIVE_STACKS_OF_INTEREST);
+
+        String cpuInfo = null;
+        if (ActivityManagerService.MONITOR_CPU_USAGE) {
+            mService.updateCpuStatsNow();
+            synchronized (mService.mProcessCpuTracker) {
+                cpuInfo = mService.mProcessCpuTracker.printCurrentState(anrTime);
+            }
+            info.append(processCpuTracker.printCurrentLoad());
+            info.append(cpuInfo);
+        }
+
+        info.append(processCpuTracker.printCurrentState(anrTime));
+
+        Slog.e(TAG, info.toString());
+        if (tracesFile == null) {
+            // There is no trace file, so dump (only) the alleged culprit's threads to the log
+            Process.sendSignal(app.pid, Process.SIGNAL_QUIT);
+        }
+
+        mService.addErrorToDropBox("anr", app, app.processName, activity, parent, annotation,
+                cpuInfo, tracesFile, null);
+
+        if (mService.mController != null) {
+            try {
+                // 0 == show dialog, 1 = keep waiting, -1 = kill process immediately
+                int res = mService.mController.appNotResponding(
+                        app.processName, app.pid, info.toString());
+                if (res != 0) {
+                    if (res < 0 && app.pid != MY_PID) {
+                        app.kill("anr", true);
+                    } else {
+                        synchronized (mService) {
+                            mService.mServices.scheduleServiceTimeoutLocked(app);
+                        }
+                    }
+                    return;
+                }
+            } catch (RemoteException e) {
+                mService.mController = null;
+                Watchdog.getInstance().setActivityController(null);
+            }
+        }
+
+        // Unless configured otherwise, swallow ANRs in background processes & kill the process.
+        boolean showBackground = Settings.Secure.getInt(mContext.getContentResolver(),
+                Settings.Secure.ANR_SHOW_BACKGROUND, 0) != 0;
+
+        synchronized (mService) {
+            mService.mBatteryStatsService.noteProcessAnr(app.processName, app.uid);
+
+            if (!showBackground && !app.isInterestingToUserLocked() && app.pid != MY_PID) {
+                app.kill("bg anr", true);
+                return;
+            }
+
+            // Set the app's notResponding state, and look up the errorReportReceiver
+            makeAppNotRespondingLocked(app,
+                    activity != null ? activity.shortComponentName : null,
+                    annotation != null ? "ANR " + annotation : "ANR",
+                    info.toString());
+
+            // Bring up the infamous App Not Responding dialog
+            Message msg = Message.obtain();
+            HashMap<String, Object> map = new HashMap<String, Object>();
+            msg.what = ActivityManagerService.SHOW_NOT_RESPONDING_UI_MSG;
+            msg.obj = map;
+            msg.arg1 = aboveSystem ? 1 : 0;
+            map.put("app", app);
+            if (activity != null) {
+                map.put("activity", activity);
+            }
+
+            mService.mUiHandler.sendMessage(msg);
+        }
+    }
+
+    private void makeAppNotRespondingLocked(ProcessRecord app,
+            String activity, String shortMsg, String longMsg) {
+        app.notResponding = true;
+        app.notRespondingReport = generateProcessError(app,
+                ActivityManager.ProcessErrorStateInfo.NOT_RESPONDING,
+                activity, shortMsg, longMsg, null);
+        startAppProblemLocked(app);
+        app.stopFreezingAllLocked();
+    }
+
+    void handleShowAnrUi(Message msg) {
+        synchronized (mService) {
+            HashMap<String, Object> data = (HashMap<String, Object>) msg.obj;
+            ProcessRecord proc = (ProcessRecord)data.get("app");
+            if (proc != null && proc.anrDialog != null) {
+                Slog.e(TAG, "App already has anr dialog: " + proc);
+                return;
+            }
+
+            Intent intent = new Intent("android.intent.action.ANR");
+            if (!mService.mProcessesReady) {
+                intent.addFlags(Intent.FLAG_RECEIVER_REGISTERED_ONLY
+                        | Intent.FLAG_RECEIVER_FOREGROUND);
+            }
+            mService.broadcastIntentLocked(null, null, intent,
+                    null, null, 0, null, null, null, AppOpsManager.OP_NONE,
+                    null, false, false, MY_PID, Process.SYSTEM_UID, 0 /* TODO: Verify */);
+
+            if (mService.canShowErrorDialogs()) {
+                Dialog d = new AppNotRespondingDialog(mService,
+                        mContext, proc, (ActivityRecord)data.get("activity"),
+                        msg.arg1 != 0);
+                d.show();
+                proc.anrDialog = d;
+            } else {
+                // Just kill the app if there is no dialog to be shown.
+                mService.killAppAtUsersRequest(proc, null);
+            }
+        }
+    }
+
+    /**
+     * Information about a process that is currently marked as bad.
+     */
+    static final class BadProcessInfo {
+        BadProcessInfo(long time, String shortMsg, String longMsg, String stack) {
+            this.time = time;
+            this.shortMsg = shortMsg;
+            this.longMsg = longMsg;
+            this.stack = stack;
+        }
+
+        final long time;
+        final String shortMsg;
+        final String longMsg;
+        final String stack;
+    }
+
+}
diff --git a/services/core/java/com/android/server/am/AppNotRespondingDialog.java b/services/core/java/com/android/server/am/AppNotRespondingDialog.java
index f4c1664..4587b72 100644
--- a/services/core/java/com/android/server/am/AppNotRespondingDialog.java
+++ b/services/core/java/com/android/server/am/AppNotRespondingDialog.java
@@ -117,7 +117,7 @@
                         ProcessRecord app = mProc;
 
                         if (msg.what == WAIT_AND_REPORT) {
-                            appErrorIntent = mService.createAppErrorIntentLocked(app,
+                            appErrorIntent = mService.mAppErrors.createAppErrorIntentLocked(app,
                                     System.currentTimeMillis(), null);
                         }
 
diff --git a/services/core/java/com/android/server/am/BroadcastQueue.java b/services/core/java/com/android/server/am/BroadcastQueue.java
index 622aa16..37b0af1 100644
--- a/services/core/java/com/android/server/am/BroadcastQueue.java
+++ b/services/core/java/com/android/server/am/BroadcastQueue.java
@@ -199,7 +199,7 @@
 
         @Override
         public void run() {
-            mService.appNotResponding(mApp, null, null, false, mAnnotation);
+            mService.mAppErrors.appNotResponding(mApp, null, null, false, mAnnotation);
         }
     }
 
diff --git a/services/core/java/com/android/server/am/StrictModeViolationDialog.java b/services/core/java/com/android/server/am/StrictModeViolationDialog.java
index fda1ec1..6da84bd 100644
--- a/services/core/java/com/android/server/am/StrictModeViolationDialog.java
+++ b/services/core/java/com/android/server/am/StrictModeViolationDialog.java
@@ -73,7 +73,6 @@
                       mHandler.obtainMessage(ACTION_OK_AND_REPORT));
         }
 
-        setTitle(res.getText(com.android.internal.R.string.aerr_title));
         getWindow().addPrivateFlags(PRIVATE_FLAG_SYSTEM_ERROR);
         getWindow().setTitle("Strict Mode Violation: " + app.info.processName);