Examples with ContentObserver android.database.ContentObserver used on opensource projects

Example 86 with ContentObserver

use of android.database.ContentObserver in project android_frameworks_base by ResurrectionRemix.

the class PowerUI method start.

public void start() {
    mPowerManager = (PowerManager) mContext.getSystemService(Context.POWER_SERVICE);
    mHardwarePropertiesManager = (HardwarePropertiesManager) mContext.getSystemService(Context.HARDWARE_PROPERTIES_SERVICE);
    mScreenOffTime = mPowerManager.isScreenOn() ? -1 : SystemClock.elapsedRealtime();
    mWarnings = new PowerNotificationWarnings(mContext, getComponent(PhoneStatusBar.class));
    ContentObserver obs = new ContentObserver(mHandler) {

        @Override
        public void onChange(boolean selfChange) {
            updateBatteryWarningLevels();
        }
    };
    final ContentResolver resolver = mContext.getContentResolver();
    resolver.registerContentObserver(Settings.Global.getUriFor(Settings.Global.LOW_POWER_MODE_TRIGGER_LEVEL), false, obs, UserHandle.USER_ALL);
    updateBatteryWarningLevels();
    mReceiver.init();
    initTemperatureWarning();
}

Example 87 with ContentObserver

use of android.database.ContentObserver in project android_frameworks_base by ResurrectionRemix.

the class DevicePolicyManagerServiceTestable method notifyChangeToContentObserver.

public void notifyChangeToContentObserver(Uri uri, int userHandle) {
    ContentObserver co = mMockInjector.mContentObservers.get(new Pair<Uri, Integer>(uri, userHandle));
    if (co != null) {
        // notify synchronously
        co.onChange(false, uri, userHandle);
    }
    // Notify USER_ALL observer too.
    co = mMockInjector.mContentObservers.get(new Pair<Uri, Integer>(uri, UserHandle.USER_ALL));
    if (co != null) {
        // notify synchronously
        co.onChange(false, uri, userHandle);
    }
}

Example 88 with ContentObserver

use of android.database.ContentObserver in project android_frameworks_base by crdroidandroid.

the class ContentQueryMap method setKeepUpdated.

/**
     * Change whether or not the ContentQueryMap will register with the cursor's ContentProvider 
     * for change notifications. If you use a ContentQueryMap in an activity you should call this
     * with false in onPause(), which means you need to call it with true in onResume()
     * if want it to be kept updated.
     * @param keepUpdated if true the ContentQueryMap should be registered with the cursor's
     * ContentProvider, false otherwise
     */
public void setKeepUpdated(boolean keepUpdated) {
    if (keepUpdated == mKeepUpdated)
        return;
    mKeepUpdated = keepUpdated;
    if (!mKeepUpdated) {
        mCursor.unregisterContentObserver(mContentObserver);
        mContentObserver = null;
    } else {
        if (mHandlerForUpdateNotifications == null) {
            mHandlerForUpdateNotifications = new Handler();
        }
        if (mContentObserver == null) {
            mContentObserver = new ContentObserver(mHandlerForUpdateNotifications) {

                @Override
                public void onChange(boolean selfChange) {
                    // let it query lazily when they ask for the values.
                    if (countObservers() != 0) {
                        requery();
                    } else {
                        mDirty = true;
                    }
                }
            };
        }
        mCursor.registerContentObserver(mContentObserver);
        // mark dirty, since it is possible the cursor's backing data had changed before we 
        // registered for changes
        mDirty = true;
    }
}

Example 89 with ContentObserver

use of android.database.ContentObserver in project android_frameworks_base by crdroidandroid.

the class DropBoxManagerService method onStart.

@Override
public void onStart() {
    // Set up intent receivers
    IntentFilter filter = new IntentFilter();
    filter.addAction(Intent.ACTION_DEVICE_STORAGE_LOW);
    getContext().registerReceiver(mReceiver, filter);
    mContentResolver.registerContentObserver(Settings.Global.CONTENT_URI, true, new ContentObserver(new Handler()) {

        @Override
        public void onChange(boolean selfChange) {
            mReceiver.onReceive(getContext(), (Intent) null);
        }
    });
    publishBinderService(Context.DROPBOX_SERVICE, mStub);
// The real work gets done lazily in init() -- that way service creation always
// succeeds, and things like disk problems cause individual method failures.
}

Example 90 with ContentObserver

use of android.database.ContentObserver in project android_frameworks_base by crdroidandroid.

the class BluetoothManagerService method registerForBleScanModeChange.

// Monitor change of BLE scan only mode settings.
private void registerForBleScanModeChange() {
    ContentObserver contentObserver = new ContentObserver(null) {

        @Override
        public void onChange(boolean selfChange) {
            if (isBleScanAlwaysAvailable()) {
                // Nothing to do
                return;
            }
            // BLE scan is not available.
            disableBleScanMode();
            clearBleApps();
            try {
                mBluetoothLock.readLock().lock();
                if (mBluetooth != null)
                    mBluetooth.onBrEdrDown();
            } catch (RemoteException e) {
                Slog.e(TAG, "error when disabling bluetooth", e);
            } finally {
                mBluetoothLock.readLock().unlock();
            }
        }
    };
    mContentResolver.registerContentObserver(Settings.Global.getUriFor(Settings.Global.BLE_SCAN_ALWAYS_AVAILABLE), false, contentObserver);
}