Merge "Add static import for BluetoothAdapterState" (866a8fa6) · Commits · e / os / android_packages_modules_Bluetooth

service/src/com/android/server/bluetooth/BluetoothManagerService.java

+97 −103

Original line number	Diff line number	Diff line
		@@ -16,6 +16,13 @@

		package com.android.server.bluetooth;

		import static android.bluetooth.BluetoothAdapter.STATE_BLE_ON;
		import static android.bluetooth.BluetoothAdapter.STATE_BLE_TURNING_OFF;
		import static android.bluetooth.BluetoothAdapter.STATE_BLE_TURNING_ON;
		import static android.bluetooth.BluetoothAdapter.STATE_OFF;
		import static android.bluetooth.BluetoothAdapter.STATE_ON;
		import static android.bluetooth.BluetoothAdapter.STATE_TURNING_OFF;
		import static android.bluetooth.BluetoothAdapter.STATE_TURNING_ON;
		import static android.os.PowerExemptionManager.TEMPORARY_ALLOW_LIST_TYPE_FOREGROUND_SERVICE_ALLOWED;

		import static com.android.server.bluetooth.BluetoothAirplaneModeListener.APM_BT_ENABLED_NOTIFICATION;
		@@ -275,7 +282,7 @@ class BluetoothManagerService {
		private Map<IBinder, ClientDeathRecipient> mBleApps =
		new ConcurrentHashMap<IBinder, ClientDeathRecipient>();

		private int mState = BluetoothAdapter.STATE_OFF;
		private int mState = STATE_OFF;
		private final HandlerThread mBluetoothHandlerThread =
		BluetoothServerProxy.getInstance().createHandlerThread("BluetoothManagerService");
		@VisibleForTesting private final BluetoothHandler mHandler;
		@@ -327,10 +334,10 @@ class BluetoothManagerService {
		boolean onFactoryReset(AttributionSource source) {
		// Wait for stable state if bluetooth is temporary state.
		int state = getState();
		if (state == BluetoothAdapter.STATE_BLE_TURNING_ON
		\|\| state == BluetoothAdapter.STATE_TURNING_ON
		\|\| state == BluetoothAdapter.STATE_TURNING_OFF) {
		if (!waitForState(Set.of(BluetoothAdapter.STATE_BLE_ON, BluetoothAdapter.STATE_ON))) {
		if (state == STATE_BLE_TURNING_ON
		\|\| state == STATE_TURNING_ON
		\|\| state == STATE_TURNING_OFF) {
		if (!waitForState(Set.of(STATE_BLE_ON, STATE_ON))) {
		return false;
		}
		}
		@@ -343,14 +350,14 @@ class BluetoothManagerService {
		if (mBluetooth == null) {
		return false;
		}
		if (state == BluetoothAdapter.STATE_BLE_ON) {
		if (state == STATE_BLE_ON) {
		addActiveLog(
		BluetoothProtoEnums.ENABLE_DISABLE_REASON_FACTORY_RESET,
		mContext.getPackageName(),
		false);
		synchronousOnBrEdrDown(source);
		return true;
		} else if (state == BluetoothAdapter.STATE_ON) {
		} else if (state == STATE_ON) {
		addActiveLog(
		BluetoothProtoEnums.ENABLE_DISABLE_REASON_FACTORY_RESET,
		mContext.getPackageName(),
		@@ -367,12 +374,10 @@ class BluetoothManagerService {
		}

		private int estimateBusyTime(int state) {
		if (state == BluetoothAdapter.STATE_BLE_ON && isBluetoothPersistedStateOn()) {
		if (state == STATE_BLE_ON && isBluetoothPersistedStateOn()) {
		// Bluetooth is in BLE and is starting classic
		return SERVICE_RESTART_TIME_MS;
		} else if (state != BluetoothAdapter.STATE_ON
		&& state != BluetoothAdapter.STATE_OFF
		&& state != BluetoothAdapter.STATE_BLE_ON) {
		} else if (state != STATE_ON && state != STATE_OFF && state != STATE_BLE_ON) {
		// Bluetooth is turning state
		return ADD_PROXY_DELAY_MS;
		} else if (mHandler.hasMessages(MESSAGE_ENABLE)
		@@ -486,7 +491,7 @@ class BluetoothManagerService {
		}
		}

		int st = BluetoothAdapter.STATE_OFF;
		int st = STATE_OFF;
		try {
		mBluetoothLock.readLock().lock();
		st = synchronousGetState();
		@@ -509,7 +514,7 @@ class BluetoothManagerService {
		clearBleApps();

		// If state is BLE_ON make sure we trigger disableBLE
		if (st == BluetoothAdapter.STATE_BLE_ON) {
		if (st == STATE_BLE_ON) {
		mBluetoothLock.readLock().lock();
		try {
		if (mBluetooth != null) {
		@@ -526,7 +531,7 @@ class BluetoothManagerService {
		} finally {
		mBluetoothLock.readLock().unlock();
		}
		} else if (st == BluetoothAdapter.STATE_ON) {
		} else if (st == STATE_ON) {
		sendDisableMsg(
		BluetoothProtoEnums.ENABLE_DISABLE_REASON_AIRPLANE_MODE,
		mContext.getPackageName());
		@@ -541,12 +546,12 @@ class BluetoothManagerService {
		}

		private void handleSatelliteModeChanged() {
		if (shouldBluetoothBeOn() && getState() != BluetoothAdapter.STATE_ON) {
		if (shouldBluetoothBeOn() && getState() != STATE_ON) {
		sendEnableMsg(
		mQuietEnableExternal,
		BluetoothProtoEnums.ENABLE_DISABLE_REASON_SATELLITE_MODE,
		mContext.getPackageName());
		} else if (!shouldBluetoothBeOn() && getState() != BluetoothAdapter.STATE_OFF) {
		} else if (!shouldBluetoothBeOn() && getState() != STATE_OFF) {
		sendDisableMsg(
		BluetoothProtoEnums.ENABLE_DISABLE_REASON_SATELLITE_MODE,
		mContext.getPackageName());
		@@ -642,10 +647,9 @@ class BluetoothManagerService {
		try {
		mEnable = false;
		mEnableExternal = false;
		if (mBluetooth != null && (mState == BluetoothAdapter.STATE_BLE_ON)) {
		if (mBluetooth != null && mState == STATE_BLE_ON) {
		synchronousOnBrEdrDown(mContext.getAttributionSource());
		} else if (mBluetooth != null
		&& (mState == BluetoothAdapter.STATE_ON)) {
		} else if (mBluetooth != null && mState == STATE_ON) {
		synchronousDisable(mContext.getAttributionSource());
		}
		} catch (RemoteException \| TimeoutException e) {
		@@ -983,7 +987,7 @@ class BluetoothManagerService {
		}

		boolean isEnabled() {
		return getState() == BluetoothAdapter.STATE_ON;
		return getState() == STATE_ON;
		}

		@GuardedBy("mBluetoothLock")
		@@ -1024,10 +1028,10 @@ class BluetoothManagerService {

		@GuardedBy("mBluetoothLock")
		private int synchronousGetState() throws RemoteException, TimeoutException {
		if (mBluetooth == null) return BluetoothAdapter.STATE_OFF;
		if (mBluetooth == null) return STATE_OFF;
		final SynchronousResultReceiver<Integer> recv = SynchronousResultReceiver.get();
		mBluetooth.getState(recv);
		return recv.awaitResultNoInterrupt(getSyncTimeout()).getValue(BluetoothAdapter.STATE_OFF);
		return recv.awaitResultNoInterrupt(getSyncTimeout()).getValue(STATE_OFF);
		}

		@GuardedBy("mBluetoothLock")
		@@ -1117,7 +1121,7 @@ class BluetoothManagerService {
		} finally {
		mBluetoothLock.readLock().unlock();
		}
		return BluetoothAdapter.STATE_OFF;
		return STATE_OFF;
		}

		class ClientDeathRecipient implements IBinder.DeathRecipient {
		@@ -1205,7 +1209,7 @@ class BluetoothManagerService {
		private void disableBleScanMode() {
		mBluetoothLock.writeLock().lock();
		try {
		if (mBluetooth != null && synchronousGetState() != BluetoothAdapter.STATE_ON) {
		if (mBluetooth != null && synchronousGetState() != STATE_ON) {
		if (DBG) {
		Log.d(TAG, "Resetting the mEnable flag for clean disable");
		}
		@@ -1272,11 +1276,11 @@ class BluetoothManagerService {

		updateBleAppCount(token, true, packageName);

		if (mState == BluetoothAdapter.STATE_ON
		\|\| mState == BluetoothAdapter.STATE_BLE_ON
		\|\| mState == BluetoothAdapter.STATE_TURNING_ON
		\|\| mState == BluetoothAdapter.STATE_TURNING_OFF
		\|\| mState == BluetoothAdapter.STATE_BLE_TURNING_ON) {
		if (mState == STATE_ON
		\|\| mState == STATE_BLE_ON
		\|\| mState == STATE_TURNING_ON
		\|\| mState == STATE_TURNING_OFF
		\|\| mState == STATE_BLE_TURNING_ON) {
		Log.d(TAG, "enableBLE(): Bluetooth is already enabled or is turning on");
		return true;
		}
		@@ -1310,13 +1314,13 @@ class BluetoothManagerService {
		return false;
		}

		if (mState == BluetoothAdapter.STATE_OFF) {
		if (mState == STATE_OFF) {
		Log.d(TAG, "disableBLE(): Already disabled");
		return false;
		}
		updateBleAppCount(token, false, packageName);

		if (mState == BluetoothAdapter.STATE_BLE_ON && !isBleAppPresent()) {
		if (mState == STATE_BLE_ON && !isBleAppPresent()) {
		if (mEnable) {
		disableBleScanMode();
		}
		@@ -1575,7 +1579,7 @@ class BluetoothManagerService {

		boolean bindBluetoothProfileService(
		int bluetoothProfile, String serviceName, IBluetoothProfileServiceConnection proxy) {
		if (mState != BluetoothAdapter.STATE_ON) {
		if (mState != STATE_ON) {
		if (DBG) {
		Log.d(
		TAG,
		@@ -1760,7 +1764,7 @@ class BluetoothManagerService {
		}

		private boolean bindService(int rebindCount) {
		int state = BluetoothAdapter.STATE_OFF;
		int state = STATE_OFF;
		try {
		mBluetoothLock.readLock().lock();
		state = synchronousGetState();
		@@ -1771,7 +1775,7 @@ class BluetoothManagerService {
		mBluetoothLock.readLock().unlock();
		}

		if (state != BluetoothAdapter.STATE_ON) {
		if (state != STATE_ON) {
		if (DBG) {
		Log.d(TAG, "Unable to bindService while Bluetooth is disabled");
		}
		@@ -2135,7 +2139,7 @@ class BluetoothManagerService {
		boolean isHandled = true;
		int state = synchronousGetState();
		switch (state) {
		case BluetoothAdapter.STATE_BLE_ON:
		case STATE_BLE_ON:
		if (isBle == 1) {
		Log.i(TAG, "Already at BLE_ON State");
		} else {
		@@ -2143,9 +2147,9 @@ class BluetoothManagerService {
		synchronousOnLeServiceUp(mContext.getAttributionSource());
		}
		break;
		case BluetoothAdapter.STATE_BLE_TURNING_ON:
		case BluetoothAdapter.STATE_TURNING_ON:
		case BluetoothAdapter.STATE_ON:
		case STATE_BLE_TURNING_ON:
		case STATE_TURNING_ON:
		case STATE_ON:
		Log.i(TAG, "MESSAGE_ENABLE: already enabled");
		break;
		default:
		@@ -2220,7 +2224,7 @@ class BluetoothManagerService {

		case MESSAGE_HANDLE_ENABLE_DELAYED:
		// The Bluetooth is turning off, wait for STATE_OFF
		if (mState != BluetoothAdapter.STATE_OFF) {
		if (mState != STATE_OFF) {
		if (mWaitForEnableRetry < MAX_WAIT_FOR_ENABLE_DISABLE_RETRIES) {
		mWaitForEnableRetry++;
		Message enableDelayedMsg =
		@@ -2244,7 +2248,7 @@ class BluetoothManagerService {
		Log.d(TAG, "MESSAGE_HANDLE_DISABLE_DELAYED: disabling:" + disabling);
		if (!disabling) {
		// The Bluetooth is turning on, wait for STATE_ON
		if (mState != BluetoothAdapter.STATE_ON) {
		if (mState != STATE_ON) {
		if (mWaitForDisableRetry < MAX_WAIT_FOR_ENABLE_DISABLE_RETRIES) {
		mWaitForDisableRetry++;
		Message disableDelayedMsg =
		@@ -2268,7 +2272,7 @@ class BluetoothManagerService {
		mHandler.sendMessageDelayed(disableDelayedMsg, ENABLE_DISABLE_DELAY_MS);
		} else {
		// The Bluetooth is turning off, wait for exiting STATE_ON
		if (mState == BluetoothAdapter.STATE_ON) {
		if (mState == STATE_ON) {
		if (mWaitForDisableRetry < MAX_WAIT_FOR_ENABLE_DISABLE_RETRIES) {
		mWaitForDisableRetry++;
		Message disableDelayedMsg =
		@@ -2409,16 +2413,16 @@ class BluetoothManagerService {
		}

		if (!mEnable) {
		waitForState(Set.of(BluetoothAdapter.STATE_ON));
		waitForState(Set.of(STATE_ON));
		handleDisable();
		waitForState(
		Set.of(
		BluetoothAdapter.STATE_OFF,
		BluetoothAdapter.STATE_TURNING_ON,
		BluetoothAdapter.STATE_TURNING_OFF,
		BluetoothAdapter.STATE_BLE_TURNING_ON,
		BluetoothAdapter.STATE_BLE_ON,
		BluetoothAdapter.STATE_BLE_TURNING_OFF));
		STATE_OFF,
		STATE_TURNING_ON,
		STATE_TURNING_OFF,
		STATE_BLE_TURNING_ON,
		STATE_BLE_ON,
		STATE_BLE_TURNING_OFF));
		}
		break;

		@@ -2437,14 +2441,14 @@ class BluetoothManagerService {
		bluetoothStateChangeHandler(prevState, newState);
		// handle error state transition case from TURNING_ON to OFF
		// unbind and rebind bluetooth service and enable bluetooth
		if ((prevState == BluetoothAdapter.STATE_BLE_TURNING_ON)
		&& (newState == BluetoothAdapter.STATE_OFF)
		if ((prevState == STATE_BLE_TURNING_ON)
		&& (newState == STATE_OFF)
		&& (mBluetooth != null)
		&& mEnable) {
		recoverBluetoothServiceFromError(false);
		}
		if ((prevState == BluetoothAdapter.STATE_TURNING_ON)
		&& (newState == BluetoothAdapter.STATE_BLE_ON)
		if ((prevState == STATE_TURNING_ON)
		&& (newState == STATE_BLE_ON)
		&& (mBluetooth != null)
		&& mEnable) {
		recoverBluetoothServiceFromError(true);
		@@ -2452,17 +2456,15 @@ class BluetoothManagerService {
		// If we tried to enable BT while BT was in the process of shutting down,
		// wait for the BT process to fully tear down and then force a restart
		// here. This is a bit of a hack (b/29363429).
		if ((prevState == BluetoothAdapter.STATE_BLE_TURNING_OFF)
		&& (newState == BluetoothAdapter.STATE_OFF)) {
		if (prevState == STATE_BLE_TURNING_OFF && newState == STATE_OFF) {
		if (mEnable) {
		Log.d(TAG, "Entering STATE_OFF but mEnabled is true; restarting.");
		waitForState(Set.of(BluetoothAdapter.STATE_OFF));
		waitForState(Set.of(STATE_OFF));
		mHandler.sendEmptyMessageDelayed(
		MESSAGE_RESTART_BLUETOOTH_SERVICE, getServiceRestartMs());
		}
		}
		if (newState == BluetoothAdapter.STATE_ON
		\|\| newState == BluetoothAdapter.STATE_BLE_ON) {
		if (newState == STATE_ON \|\| newState == STATE_BLE_ON) {
		// bluetooth is working, reset the counter
		if (mErrorRecoveryRetryCounter != 0) {
		Log.w(TAG, "bluetooth is recovered from error");
		@@ -2509,19 +2511,16 @@ class BluetoothManagerService {

		// Send BT state broadcast to update
		// the BT icon correctly
		if ((mState == BluetoothAdapter.STATE_TURNING_ON)
		\|\| (mState == BluetoothAdapter.STATE_ON)) {
		bluetoothStateChangeHandler(
		BluetoothAdapter.STATE_ON, BluetoothAdapter.STATE_TURNING_OFF);
		mState = BluetoothAdapter.STATE_TURNING_OFF;
		if (mState == STATE_TURNING_ON \|\| mState == STATE_ON) {
		bluetoothStateChangeHandler(STATE_ON, STATE_TURNING_OFF);
		mState = STATE_TURNING_OFF;
		}
		if (mState == BluetoothAdapter.STATE_TURNING_OFF) {
		bluetoothStateChangeHandler(
		BluetoothAdapter.STATE_TURNING_OFF, BluetoothAdapter.STATE_OFF);
		if (mState == STATE_TURNING_OFF) {
		bluetoothStateChangeHandler(STATE_TURNING_OFF, STATE_OFF);
		}

		mHandler.removeMessages(MESSAGE_BLUETOOTH_STATE_CHANGE);
		mState = BluetoothAdapter.STATE_OFF;
		mState = STATE_OFF;
		break;

		case MESSAGE_RESTART_BLUETOOTH_SERVICE:
		@@ -2613,20 +2612,20 @@ class BluetoothManagerService {
		mBluetoothLock.readLock().unlock();
		}

		if (mState == BluetoothAdapter.STATE_TURNING_OFF) {
		if (mState == STATE_TURNING_OFF) {
		// MESSAGE_USER_SWITCHED happened right after MESSAGE_ENABLE
		bluetoothStateChangeHandler(mState, BluetoothAdapter.STATE_OFF);
		mState = BluetoothAdapter.STATE_OFF;
		bluetoothStateChangeHandler(mState, STATE_OFF);
		mState = STATE_OFF;
		}
		if (mState == BluetoothAdapter.STATE_OFF) {
		bluetoothStateChangeHandler(mState, BluetoothAdapter.STATE_TURNING_ON);
		mState = BluetoothAdapter.STATE_TURNING_ON;
		if (mState == STATE_OFF) {
		bluetoothStateChangeHandler(mState, STATE_TURNING_ON);
		mState = STATE_TURNING_ON;
		}

		waitForState(Set.of(BluetoothAdapter.STATE_ON));
		waitForState(Set.of(STATE_ON));

		if (mState == BluetoothAdapter.STATE_TURNING_ON) {
		bluetoothStateChangeHandler(mState, BluetoothAdapter.STATE_ON);
		if (mState == STATE_TURNING_ON) {
		bluetoothStateChangeHandler(mState, STATE_ON);
		}

		unbindAllBluetoothProfileServices();
		@@ -2634,13 +2633,11 @@ class BluetoothManagerService {
		addActiveLog(reason, mContext.getPackageName(), false);
		handleDisable();
		// Pbap service need receive STATE_TURNING_OFF intent to close
		bluetoothStateChangeHandler(
		BluetoothAdapter.STATE_ON, BluetoothAdapter.STATE_TURNING_OFF);
		bluetoothStateChangeHandler(STATE_ON, STATE_TURNING_OFF);

		boolean didDisableTimeout = !waitForState(Set.of(BluetoothAdapter.STATE_OFF));
		boolean didDisableTimeout = !waitForState(Set.of(STATE_OFF));

		bluetoothStateChangeHandler(
		BluetoothAdapter.STATE_TURNING_OFF, BluetoothAdapter.STATE_OFF);
		bluetoothStateChangeHandler(STATE_TURNING_OFF, STATE_OFF);
		sendBluetoothServiceDownCallback();

		mBluetoothLock.writeLock().lock();
		@@ -2667,7 +2664,7 @@ class BluetoothManagerService {
		}

		mHandler.removeMessages(MESSAGE_BLUETOOTH_STATE_CHANGE);
		mState = BluetoothAdapter.STATE_OFF;
		mState = STATE_OFF;
		// enable
		addActiveLog(reason, mContext.getPackageName(), true);
		// mEnable flag could have been reset on disableBLE. Reenable it.
		@@ -2761,9 +2758,9 @@ class BluetoothManagerService {

		private boolean isBleState(int state) {
		switch (state) {
		case BluetoothAdapter.STATE_BLE_ON:
		case BluetoothAdapter.STATE_BLE_TURNING_ON:
		case BluetoothAdapter.STATE_BLE_TURNING_OFF:
		case STATE_BLE_ON:
		case STATE_BLE_TURNING_ON:
		case STATE_BLE_TURNING_OFF:
		return true;
		}
		return false;
		@@ -2780,12 +2777,10 @@ class BluetoothManagerService {
		return;
		}
		// Notify all proxy objects first of adapter state change
		if (newState == BluetoothAdapter.STATE_BLE_ON \|\| newState == BluetoothAdapter.STATE_OFF) {
		boolean intermediate_off =
		(prevState == BluetoothAdapter.STATE_TURNING_OFF
		&& newState == BluetoothAdapter.STATE_BLE_ON);
		if (newState == STATE_BLE_ON \|\| newState == STATE_OFF) {
		boolean intermediate_off = (prevState == STATE_TURNING_OFF && newState == STATE_BLE_ON);

		if (newState == BluetoothAdapter.STATE_OFF) {
		if (newState == STATE_OFF) {
		// If Bluetooth is off, send service down event to proxy objects, and unbind
		if (DBG) {
		Log.d(TAG, "Bluetooth is complete send Service Down");
		@@ -2835,35 +2830,34 @@ class BluetoothManagerService {
		sendBleStateChanged(prevState, newState);
		sendBluetoothStateCallback(false); // BT is OFF for general users
		// Broadcast as STATE_OFF
		newState = BluetoothAdapter.STATE_OFF;
		newState = STATE_OFF;
		sendBrEdrDownCallback(mContext.getAttributionSource());
		}
		} else if (newState == BluetoothAdapter.STATE_ON) {
		boolean isUp = (newState == BluetoothAdapter.STATE_ON);
		} else if (newState == STATE_ON) {
		boolean isUp = (newState == STATE_ON);
		sendBluetoothStateCallback(isUp);
		sendBleStateChanged(prevState, newState);

		} else if (newState == BluetoothAdapter.STATE_BLE_TURNING_ON) {
		} else if (newState == STATE_BLE_TURNING_ON) {
		sendBleStateChanged(prevState, newState);
		isStandardBroadcast = false;
		} else if (newState == BluetoothAdapter.STATE_BLE_TURNING_OFF) {
		} else if (newState == STATE_BLE_TURNING_OFF) {
		sendBleStateChanged(prevState, newState);
		if (prevState != BluetoothAdapter.STATE_TURNING_OFF) {
		if (prevState != STATE_TURNING_OFF) {
		isStandardBroadcast = false;
		} else {
		// Broadcast as STATE_OFF for app that do not receive BLE update
		newState = BluetoothAdapter.STATE_OFF;
		newState = STATE_OFF;
		sendBrEdrDownCallback(mContext.getAttributionSource());
		}
		} else if (newState == BluetoothAdapter.STATE_TURNING_ON
		\|\| newState == BluetoothAdapter.STATE_TURNING_OFF) {
		} else if (newState == STATE_TURNING_ON \|\| newState == STATE_TURNING_OFF) {
		sendBleStateChanged(prevState, newState);
		}

		if (isStandardBroadcast) {
		if (prevState == BluetoothAdapter.STATE_BLE_ON) {
		if (prevState == STATE_BLE_ON) {
		// Show prevState of BLE_ON as OFF to standard users
		prevState = BluetoothAdapter.STATE_OFF;
		prevState = STATE_OFF;
		}
		if (DBG) {
		Log.d(
		@@ -2898,7 +2892,7 @@ class BluetoothManagerService {
		Log.e(TAG, "waitForState " + states + " Bluetooth is not unbind");
		return false;
		}
		if (mBluetooth == null && states.contains(BluetoothAdapter.STATE_OFF)) {
		if (mBluetooth == null && states.contains(STATE_OFF)) {
		return true; // We are so OFF that the bluetooth is not bind
		}
		if (mBluetooth != null && states.contains(synchronousGetState())) {
		@@ -2999,7 +2993,7 @@ class BluetoothManagerService {
		false);
		handleDisable();

		waitForState(Set.of(BluetoothAdapter.STATE_OFF));
		waitForState(Set.of(STATE_OFF));

		sendBluetoothServiceDownCallback();

		@@ -3016,7 +3010,7 @@ class BluetoothManagerService {
		}

		mHandler.removeMessages(MESSAGE_BLUETOOTH_STATE_CHANGE);
		mState = BluetoothAdapter.STATE_OFF;
		mState = STATE_OFF;

		if (clearBle) {
		clearBleApps();