Merge "Set device volume when AudioManager says device is connected" (97decf69) · Commits · e / os / android_packages_modules_Bluetooth

android/app/src/com/android/bluetooth/a2dp/A2dpService.java

+5 −7

Original line number	Diff line number	Diff line
		@@ -803,14 +803,12 @@ public class A2dpService extends ProfileService {
		Log.d(TAG, "broadcastActiveDevice(" + device + ")");
		}

		// Currently the audio service can only remember the volume for a single device. We send
		// active device changed intent after informing AVRCP that the device switched so it can
		// set the stream volume to the new device before A2DP informs the audio service that the
		// device has changed. This is to avoid the indeterminate volume state that exists when
		// in the middle of switching devices.
		// We need to inform AVRCP that the device has switched before informing the audio service
		// so that AVRCP can prepare and wait on audio service connecting the new stream before
		// restoring the previous volume. Otherwise the updated volume could be applied to the
		// old active device before the switch has fully completed.
		if (AvrcpTargetService.get() != null) {
		AvrcpTargetService.get().volumeDeviceSwitched(
		device != null ? device.getAddress() : "");
		AvrcpTargetService.get().volumeDeviceSwitched(device);
		}

		Intent intent = new Intent(BluetoothA2dp.ACTION_ACTIVE_DEVICE_CHANGED);

android/app/src/com/android/bluetooth/newavrcp/AvrcpNativeInterface.java

+14 −9

Original line number	Diff line number	Diff line
		@@ -16,6 +16,8 @@

		package com.android.bluetooth.avrcp;

		import android.bluetooth.BluetoothAdapter;
		import android.bluetooth.BluetoothDevice;
		import android.util.Log;

		import java.util.List;
		@@ -186,31 +188,34 @@ public class AvrcpNativeInterface {
		}

		void setActiveDevice(String bdaddr) {
		bdaddr = bdaddr.toUpperCase();
		d("setActiveDevice: bdaddr=" + bdaddr);
		mAvrcpService.setActiveDevice(bdaddr);
		BluetoothDevice device =
		BluetoothAdapter.getDefaultAdapter().getRemoteDevice(bdaddr.toUpperCase());
		d("setActiveDevice: device=" + device);
		mAvrcpService.setActiveDevice(device);
		}

		void deviceConnected(String bdaddr, boolean absoluteVolume) {
		bdaddr = bdaddr.toUpperCase();
		d("deviceConnected: bdaddr=" + bdaddr + " absoluteVolume=" + absoluteVolume);
		BluetoothDevice device =
		BluetoothAdapter.getDefaultAdapter().getRemoteDevice(bdaddr.toUpperCase());
		d("deviceConnected: device=" + device + " absoluteVolume=" + absoluteVolume);
		if (mAvrcpService == null) {
		Log.w(TAG, "deviceConnected: AvrcpTargetService is null");
		return;
		}

		mAvrcpService.deviceConnected(bdaddr, absoluteVolume);
		mAvrcpService.deviceConnected(device, absoluteVolume);
		}

		void deviceDisconnected(String bdaddr) {
		bdaddr = bdaddr.toUpperCase();
		d("deviceDisconnected: bdaddr=" + bdaddr);
		BluetoothDevice device =
		BluetoothAdapter.getDefaultAdapter().getRemoteDevice(bdaddr.toUpperCase());
		d("deviceDisconnected: device=" + device);
		if (mAvrcpService == null) {
		Log.w(TAG, "deviceDisconnected: AvrcpTargetService is null");
		return;
		}

		mAvrcpService.deviceDisconnected(bdaddr);
		mAvrcpService.deviceDisconnected(device);
		}

		void sendVolumeChanged(int volume) {

android/app/src/com/android/bluetooth/newavrcp/AvrcpTargetService.java

+21 −20

Original line number	Diff line number	Diff line
		@@ -17,7 +17,6 @@
		package com.android.bluetooth.avrcp;

		import android.bluetooth.BluetoothA2dp;
		import android.bluetooth.BluetoothAdapter;
		import android.bluetooth.BluetoothDevice;
		import android.bluetooth.IBluetoothAvrcpTarget;
		import android.content.BroadcastReceiver;
		@@ -187,15 +186,15 @@ public class AvrcpTargetService extends ProfileService {
		private void init() {
		}

		void deviceConnected(String bdaddr, boolean absoluteVolume) {
		Log.i(TAG, "deviceConnected: bdaddr=" + bdaddr + " absoluteVolume=" + absoluteVolume);
		mVolumeManager.deviceConnected(bdaddr, absoluteVolume);
		void deviceConnected(BluetoothDevice device, boolean absoluteVolume) {
		Log.i(TAG, "deviceConnected: device=" + device + " absoluteVolume=" + absoluteVolume);
		mVolumeManager.deviceConnected(device, absoluteVolume);
		MetricsLogger.logProfileConnectionEvent(BluetoothMetricsProto.ProfileId.AVRCP);
		}

		void deviceDisconnected(String bdaddr) {
		Log.i(TAG, "deviceDisconnected: bdaddr=" + bdaddr);
		mVolumeManager.deviceDisconnected(bdaddr);
		void deviceDisconnected(BluetoothDevice device) {
		Log.i(TAG, "deviceDisconnected: device=" + device);
		mVolumeManager.deviceDisconnected(device);
		}

		/**
		@@ -203,11 +202,11 @@ public class AvrcpTargetService extends ProfileService {
		* for the old device is saved and the new device has its volume restored. If there is no
		* saved volume use the current system volume.
		*/
		public void volumeDeviceSwitched(String bdaddr) {
		public void volumeDeviceSwitched(BluetoothDevice device) {
		if (DEBUG) {
		Log.d(TAG, "volumeDeviceSwitched: bdaddr=" + bdaddr);
		Log.d(TAG, "volumeDeviceSwitched: device=" + device);
		}
		mVolumeManager.volumeDeviceSwitched(bdaddr);
		mVolumeManager.volumeDeviceSwitched(device);
		}

		// TODO (apanicke): Add checks to blacklist Absolute Volume devices if they behave poorly.
		@@ -293,14 +292,12 @@ public class AvrcpTargetService extends ProfileService {
		mMediaPlayerList.sendMediaKeyEvent(event, pushed);
		}

		void setActiveDevice(String address) {
		Log.i(TAG, "setActiveDevice: address=" + address);
		BluetoothDevice d =
		BluetoothAdapter.getDefaultAdapter().getRemoteDevice(address);
		if (d == null) {
		Log.wtfStack(TAG, "setActiveDevice: could not find device with address " + address);
		void setActiveDevice(BluetoothDevice device) {
		Log.i(TAG, "setActiveDevice: device=" + device);
		if (device == null) {
		Log.wtfStack(TAG, "setActiveDevice: could not find device " + device);
		}
		A2dpService.getA2dpService().setActiveDevice(d);
		A2dpService.getA2dpService().setActiveDevice(device);
		}

		/**
		@@ -313,13 +310,17 @@ public class AvrcpTargetService extends ProfileService {
		return;
		}

		StringBuilder tempBuilder = new StringBuilder();
		if (mMediaPlayerList != null) {
		mMediaPlayerList.dump(sb);
		mMediaPlayerList.dump(tempBuilder);
		} else {
		sb.append("\nMedia Player List is empty\n");
		tempBuilder.append("\nMedia Player List is empty\n");
		}

		mVolumeManager.dump(sb);
		mVolumeManager.dump(tempBuilder);

		// Tab everything over by two spaces
		sb.append(tempBuilder.toString().replaceAll("(?m)^", " "));
		}

		private static class AvrcpTargetBinder extends IBluetoothAvrcpTarget.Stub

android/app/src/com/android/bluetooth/newavrcp/AvrcpVolumeManager.java

+128 −66

Original line number	Diff line number	Diff line
		@@ -16,15 +16,22 @@

		package com.android.bluetooth.avrcp;

		import android.bluetooth.BluetoothAdapter;
		import android.bluetooth.BluetoothDevice;
		import android.content.Context;
		import android.content.SharedPreferences;
		import android.media.AudioDeviceCallback;
		import android.media.AudioDeviceInfo;
		import android.media.AudioManager;
		import android.support.annotation.NonNull;
		import android.support.annotation.Nullable;
		import android.util.Log;

		import java.util.HashMap;
		import java.util.Map;
		import java.util.Objects;

		class AvrcpVolumeManager {
		class AvrcpVolumeManager extends AudioDeviceCallback {
		public static final String TAG = "NewAvrcpVolumeManager";
		public static final boolean DEBUG = true;

		@@ -39,9 +46,10 @@ class AvrcpVolumeManager {
		AudioManager mAudioManager;
		AvrcpNativeInterface mNativeInterface;

		HashMap<String, Boolean> mDeviceMap = new HashMap<String, Boolean>();
		HashMap<String, Integer> mVolumeMap = new HashMap<String, Integer>();
		String mCurrentDeviceAddr = "";
		HashMap<BluetoothDevice, Boolean> mDeviceMap = new HashMap();
		HashMap<BluetoothDevice, Integer> mVolumeMap = new HashMap();
		BluetoothDevice mDeferredDevice = null;
		BluetoothDevice mCurrentDevice = null;
		boolean mAbsoluteVolumeSupported = false;

		static int avrcpToSystemVolume(int avrcpVolume) {
		@@ -59,43 +67,76 @@ class AvrcpVolumeManager {
		return mContext.getSharedPreferences(VOLUME_MAP, Context.MODE_PRIVATE);
		}

		private int getVolume(String bdaddr, int defaultValue) {
		if (!mVolumeMap.containsKey(bdaddr)) {
		Log.w(TAG, "getVolume: Couldn't find volume preference for device: " + bdaddr);
		private int getVolume(@NonNull BluetoothDevice device, int defaultValue) {
		if (!mVolumeMap.containsKey(device)) {
		Log.w(TAG, "getVolume: Couldn't find volume preference for device: " + device);
		return defaultValue;
		}

		return mVolumeMap.get(bdaddr);
		return mVolumeMap.get(device);
		}

		private void switchVolumeDevice(String bdaddr) {
		private void switchVolumeDevice(@NonNull BluetoothDevice device) {
		// Inform the audio manager that the device has changed
		mAudioManager.avrcpSupportsAbsoluteVolume(bdaddr, mDeviceMap.get(bdaddr));
		mAudioManager.avrcpSupportsAbsoluteVolume(device.getAddress(), mDeviceMap.get(device));

		// Get the current system volume and try to get the preference volume
		int currVolume = mAudioManager.getStreamVolume(STREAM_MUSIC);
		int savedVolume = getVolume(bdaddr, currVolume);
		int savedVolume = getVolume(device, currVolume);

		// If the preference volume isn't equal to the current stream volume then that means
		// we had a stored preference.
		if (DEBUG) {
		Log.d(TAG, "switchVolumeDevice: currVolume=" + currVolume
		+ " savedVolume=" + savedVolume);
		}
		if (savedVolume != currVolume) {
		d("switchVolumeDevice: currVolume=" + currVolume + " savedVolume=" + savedVolume);

		Log.i(TAG, "switchVolumeDevice: restoring volume level " + savedVolume);
		mAudioManager.setStreamVolume(AudioManager.STREAM_MUSIC, savedVolume,
		AudioManager.FLAG_SHOW_UI \| AudioManager.FLAG_BLUETOOTH_ABS_VOLUME);
		}

		// If absolute volume for the device is supported, set the volume for the device
		if (mDeviceMap.get(bdaddr)) {
		if (mDeviceMap.get(device)) {
		int avrcpVolume = systemToAvrcpVolume(savedVolume);
		Log.i(TAG, "switchVolumeDevice: Updating device volume: avrcpVolume=" + avrcpVolume);
		mNativeInterface.sendVolumeChanged(avrcpVolume);
		}
		}

		@Override
		public synchronized void onAudioDevicesAdded(AudioDeviceInfo[] addedDevices) {
		if (mDeferredDevice == null) {
		d("onAudioDevicesAdded: Not expecting device changed");
		return;
		}

		boolean foundDevice = false;
		d("onAudioDevicesAdded: size: " + addedDevices.length);
		for (int i = 0; i < addedDevices.length; i++) {
		d("onAudioDevicesAdded: address=" + addedDevices[i].getAddress());
		if (addedDevices[i].getType() == AudioDeviceInfo.TYPE_BLUETOOTH_A2DP
		&& Objects.equals(addedDevices[i].getAddress(), mDeferredDevice.getAddress())) {
		foundDevice = true;
		break;
		}
		}

		if (!foundDevice) {
		d("Didn't find deferred device in list: device=" + mDeferredDevice);
		return;
		}

		mCurrentDevice = mDeferredDevice;
		mDeferredDevice = null;

		// A2DP can sometimes connect and set a device to active before AVRCP has determined if the
		// device supports absolute volume. Defer switching the device until AVRCP returns the
		// info.
		if (!mDeviceMap.containsKey(mCurrentDevice)) {
		Log.w(TAG, "volumeDeviceSwitched: Device isn't connected: " + mCurrentDevice);
		return;
		}

		switchVolumeDevice(mCurrentDevice);
		}

		AvrcpVolumeManager(Context context, AudioManager audioManager,
		AvrcpNativeInterface nativeInterface) {
		mContext = context;
		@@ -103,93 +144,114 @@ class AvrcpVolumeManager {
		mNativeInterface = nativeInterface;
		sDeviceMaxVolume = mAudioManager.getStreamMaxVolume(AudioManager.STREAM_MUSIC);

		// Load the volume map into a hash map since shared preferences are slow to poll and update
		mAudioManager.registerAudioDeviceCallback(this, null);

		// Load the stored volume preferences into a hash map since shared preferences are slow
		// to poll and update. If the device has been unbonded since last start remove it from
		// the map.
		Map<String, ?> allKeys = getVolumeMap().getAll();
		SharedPreferences.Editor volumeMapEditor = getVolumeMap().edit();
		for (Map.Entry<String, ?> entry : allKeys.entrySet()) {
		String key = entry.getKey();
		Object value = entry.getValue();
		if (value instanceof Integer) {
		mVolumeMap.put(key, (Integer) value);
		BluetoothDevice d = BluetoothAdapter.getDefaultAdapter().getRemoteDevice(key);

		if (value instanceof Integer && d.getBondState() == BluetoothDevice.BOND_BONDED) {
		mVolumeMap.put(d, (Integer) value);
		} else {
		d("Removing " + key + " from the volume map");
		volumeMapEditor.remove(key);
		}
		}
		volumeMapEditor.apply();
		}

		void storeVolume() {
		SharedPreferences.Editor pref = getVolumeMap().edit();
		int storeVolume = mAudioManager.getStreamVolume(STREAM_MUSIC);
		Log.i(TAG, "storeVolume: Storing stream volume level for device " + mCurrentDeviceAddr
		Log.i(TAG, "storeVolume: Storing stream volume level for device " + mCurrentDevice
		+ " : " + storeVolume);
		mVolumeMap.put(mCurrentDeviceAddr, storeVolume);
		pref.putInt(mCurrentDeviceAddr, storeVolume);
		mVolumeMap.put(mCurrentDevice, storeVolume);
		pref.putInt(mCurrentDevice.getAddress(), storeVolume);

		// Always use apply() since it is asynchronous, otherwise the call can hang waiting for
		// storage to be written.
		pref.apply();
		}

		void deviceConnected(String bdaddr, boolean absoluteVolume) {
		if (DEBUG) {
		Log.d(TAG, "deviceConnected: bdaddr=" + bdaddr + " absoluteVolume=" + absoluteVolume);
		}
		synchronized void deviceConnected(@NonNull BluetoothDevice device, boolean absoluteVolume) {
		d("deviceConnected: device=" + device + " absoluteVolume=" + absoluteVolume);

		mDeviceMap.put(bdaddr, absoluteVolume);
		mDeviceMap.put(device, absoluteVolume);

		// AVRCP features lookup has completed after the device became active. Switch to the new
		// device now.
		if (bdaddr.equals(mCurrentDeviceAddr)) {
		switchVolumeDevice(bdaddr);
		if (device.equals(mCurrentDevice)) {
		switchVolumeDevice(device);
		}
		}

		void volumeDeviceSwitched(String bdaddr) {
		if (DEBUG) {
		Log.d(TAG, "volumeDeviceSwitched: mCurrentDeviceAddr=" + mCurrentDeviceAddr
		+ " bdaddr=" + bdaddr);
		}
		synchronized void volumeDeviceSwitched(@Nullable BluetoothDevice device) {
		d("volumeDeviceSwitched: mCurrentDevice=" + mCurrentDevice + " device=" + device);

		if (bdaddr == null \|\| bdaddr.equals(mCurrentDeviceAddr)) {
		if (Objects.equals(device, mCurrentDevice)) {
		return;
		}

		// Store the previous volume if a device was active.
		if (!mCurrentDeviceAddr.isEmpty()) {
		if (mCurrentDevice != null) {
		storeVolume();
		}

		// Set the current volume device to the new device.
		mCurrentDeviceAddr = bdaddr;
		// Wait until AudioManager informs us that the new device is connected
		mDeferredDevice = device;

		// No new active device.
		if (bdaddr.isEmpty()) {
		return;
		// If device is null, that means that there is no active Bluetooth device
		if (device == null) {
		mCurrentDevice = null;
		}

		// A2DP can sometimes connect and set a device to active before AVRCP has determined if the
		// device supports absolute volume. Defer switching the device until AVRCP returns the
		// info.
		if (!mDeviceMap.containsKey(bdaddr)) {
		Log.w(TAG, "volumeDeviceSwitched: Device isn't connected: " + bdaddr);
		return;
		}

		switchVolumeDevice(bdaddr);
		}

		void deviceDisconnected(String bdaddr) {
		if (DEBUG) {
		Log.d(TAG, "deviceDisconnected: bdaddr=" + bdaddr);
		}
		mDeviceMap.remove(bdaddr);
		void deviceDisconnected(@NonNull BluetoothDevice device) {
		d("deviceDisconnected: device=" + device);
		mDeviceMap.remove(device);
		}

		public void dump(StringBuilder sb) {
		sb.append("Bluetooth Device Volume Map:\n");
		sb.append(" Device Address : Volume\n");
		sb.append("AvrcpVolumeManager:\n");
		sb.append(" mCurrentDevice: " + mCurrentDevice + "\n");
		sb.append(" mDeferredDevice: " + mDeferredDevice + "\n");
		sb.append(" Device Volume Memory Map:\n");
		sb.append(String.format(" %-17s : %-14s : %3s : %s\n",
		"Device Address", "Device Name", "Vol", "AbsVol"));
		Map<String, ?> allKeys = getVolumeMap().getAll();
		for (Map.Entry<String, ?> entry : allKeys.entrySet()) {
		String key = entry.getKey();
		Object value = entry.getValue();
		BluetoothDevice d = BluetoothAdapter.getDefaultAdapter()
		.getRemoteDevice(entry.getKey());

		String deviceName = d.getName();
		if (deviceName == null) {
		deviceName = "";
		} else if (deviceName.length() > 14) {
		deviceName = deviceName.substring(0, 11).concat("...");
		}

		String absoluteVolume = "NotConnected";
		if (mDeviceMap.containsKey(d)) {
		absoluteVolume = mDeviceMap.get(d).toString();
		}

		if (value instanceof Integer) {
		sb.append(" " + key + " : " + (Integer) value + "\n");
		mVolumeMap.put(key, (Integer) value);
		sb.append(String.format(" %-17s : %-14s : %3d : %s\n",
		d.getAddress(), deviceName, (Integer) value, absoluteVolume));
		}
		}
		}

		static void d(String msg) {
		if (DEBUG) {
		Log.d(TAG, msg);
		}
		}
		}