private static void ensureThreadLocked() {
if (sInstance == null) {
sInstance = new BackgroundThread();
sInstance.start();
sInstance.getLooper().setTraceTag(Trace.TRACE_TAG_ACTIVITY_MANAGER);
sHandler = new Handler(sInstance.getLooper());
}
}
@Override
public void onStart() {
mAppOps = (AppOpsManager) getContext().getSystemService(Context.APP_OPS_SERVICE);
mUserManager = (UserManager) getContext().getSystemService(Context.USER_SERVICE);
mHandler = new H(BackgroundThread.get().getLooper());
File systemDataDir = new File(Environment.getDataDirectory(), "system");
mUsageStatsDir = new File(systemDataDir, "usagestats");
mUsageStatsDir.mkdirs();
if (!mUsageStatsDir.exists()) {
throw new IllegalStateException(
"Usage stats directory does not exist: " + mUsageStatsDir.getAbsolutePath());
}
IntentFilter userActions = new IntentFilter(Intent.ACTION_USER_REMOVED);
userActions.addAction(Intent.ACTION_USER_STARTED);
getContext()
.registerReceiverAsUser(new UserActionsReceiver(), UserHandle.ALL, userActions, null, null);
IntentFilter deviceStates = new IntentFilter(BatteryManager.ACTION_CHARGING);
deviceStates.addAction(BatteryManager.ACTION_DISCHARGING);
deviceStates.addAction(PowerManager.ACTION_DEVICE_IDLE_MODE_CHANGED);
getContext().registerReceiver(new DeviceStateReceiver(), deviceStates);
synchronized (mLock) {
cleanUpRemovedUsersLocked();
}
mRealTimeSnapshot = SystemClock.elapsedRealtime();
mSystemTimeSnapshot = System.currentTimeMillis();
// Look at primary user's secure setting for this. TODO: Maybe apply different
// thresholds for different users.
mAppIdleDurationMillis =
Settings.Secure.getLongForUser(
getContext().getContentResolver(),
Settings.Secure.APP_IDLE_DURATION,
DEFAULT_APP_IDLE_THRESHOLD_MILLIS,
UserHandle.USER_OWNER);
publishLocalService(UsageStatsManagerInternal.class, new LocalService());
publishBinderService(Context.USAGE_STATS_SERVICE, new BinderService());
}