Merge "Remove allowBlocking from all BluetoothProfiles" am: a39eb360db (df07c717) · Commits · e / os / android_frameworks_base

Android.bp

+1 −0

Original line number	Diff line number	Diff line
		@@ -350,6 +350,7 @@ java_defaults {
		"tv_tuner_resource_manager_aidl_interface-java",
		"soundtrigger_middleware-aidl-java",
		"modules-utils-preconditions",
		"modules-utils-synchronous-result-receiver",
		"modules-utils-os",
		"framework-permission-aidl-java",
		],

core/java/android/bluetooth/BluetoothA2dp.java

+284 −227

File changed.

Preview size limit exceeded, changes collapsed.

core/java/android/bluetooth/BluetoothA2dpSink.java

+113 −70

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

		package android.bluetooth;

		import static android.bluetooth.BluetoothUtils.getSyncTimeout;

		import android.Manifest;
		import android.annotation.NonNull;
		import android.annotation.RequiresPermission;
		@@ -29,14 +31,16 @@ import android.bluetooth.annotations.RequiresLegacyBluetoothPermission;
		import android.compat.annotation.UnsupportedAppUsage;
		import android.content.AttributionSource;
		import android.content.Context;
		import android.os.Binder;
		import android.os.Build;
		import android.os.IBinder;
		import android.os.RemoteException;
		import android.util.Log;

		import com.android.modules.utils.SynchronousResultReceiver;

		import java.util.ArrayList;
		import java.util.List;
		import java.util.concurrent.TimeoutException;

		/**
		* This class provides the public APIs to control the Bluetooth A2DP Sink
		@@ -86,7 +90,7 @@ public final class BluetoothA2dpSink implements BluetoothProfile {
		"BluetoothA2dpSink", IBluetoothA2dpSink.class.getName()) {
		@Override
		public IBluetoothA2dpSink getServiceInterface(IBinder service) {
		return IBluetoothA2dpSink.Stub.asInterface(Binder.allowBlocking(service));
		return IBluetoothA2dpSink.Stub.asInterface(service);
		}
		};

		@@ -140,16 +144,20 @@ public final class BluetoothA2dpSink implements BluetoothProfile {
		public boolean connect(BluetoothDevice device) {
		if (DBG) log("connect(" + device + ")");
		final IBluetoothA2dpSink service = getService();
		if (service != null && isEnabled() && isValidDevice(device)) {
		final boolean defaultValue = false;
		if (service == null) {
		Log.w(TAG, "Proxy not attached to service");
		if (DBG) log(Log.getStackTraceString(new Throwable()));
		} else if (isEnabled() && isValidDevice(device)) {
		try {
		return service.connect(device, mAttributionSource);
		} catch (RemoteException e) {
		Log.e(TAG, "Stack:" + Log.getStackTraceString(new Throwable()));
		return false;
		final SynchronousResultReceiver<Boolean> recv = new SynchronousResultReceiver();
		service.connect(device, mAttributionSource, recv);
		return recv.awaitResultNoInterrupt(getSyncTimeout()).getValue(defaultValue);
		} catch (RemoteException \| TimeoutException e) {
		Log.e(TAG, e.toString() + "\n" + Log.getStackTraceString(new Throwable()));
		}
		}
		if (service == null) Log.w(TAG, "Proxy not attached to service");
		return false;
		return defaultValue;
		}

		/**
		@@ -181,16 +189,20 @@ public final class BluetoothA2dpSink implements BluetoothProfile {
		public boolean disconnect(BluetoothDevice device) {
		if (DBG) log("disconnect(" + device + ")");
		final IBluetoothA2dpSink service = getService();
		if (service != null && isEnabled() && isValidDevice(device)) {
		final boolean defaultValue = false;
		if (service == null) {
		Log.w(TAG, "Proxy not attached to service");
		if (DBG) log(Log.getStackTraceString(new Throwable()));
		} else if (isEnabled() && isValidDevice(device)) {
		try {
		return service.disconnect(device, mAttributionSource);
		} catch (RemoteException e) {
		Log.e(TAG, "Stack:" + Log.getStackTraceString(new Throwable()));
		return false;
		final SynchronousResultReceiver<Boolean> recv = new SynchronousResultReceiver();
		service.disconnect(device, mAttributionSource, recv);
		return recv.awaitResultNoInterrupt(getSyncTimeout()).getValue(defaultValue);
		} catch (RemoteException \| TimeoutException e) {
		Log.e(TAG, e.toString() + "\n" + Log.getStackTraceString(new Throwable()));
		}
		}
		if (service == null) Log.w(TAG, "Proxy not attached to service");
		return false;
		return defaultValue;
		}

		/**
		@@ -204,17 +216,23 @@ public final class BluetoothA2dpSink implements BluetoothProfile {
		public List<BluetoothDevice> getConnectedDevices() {
		if (VDBG) log("getConnectedDevices()");
		final IBluetoothA2dpSink service = getService();
		if (service != null && isEnabled()) {
		final List<BluetoothDevice> defaultValue = new ArrayList<BluetoothDevice>();
		if (service == null) {
		Log.w(TAG, "Proxy not attached to service");
		if (DBG) log(Log.getStackTraceString(new Throwable()));
		} else if (isEnabled()) {
		try {
		final SynchronousResultReceiver<List<BluetoothDevice>> recv =
		new SynchronousResultReceiver();
		service.getConnectedDevices(mAttributionSource, recv);
		return Attributable.setAttributionSource(
		service.getConnectedDevices(mAttributionSource), mAttributionSource);
		} catch (RemoteException e) {
		Log.e(TAG, "Stack:" + Log.getStackTraceString(new Throwable()));
		return new ArrayList<BluetoothDevice>();
		recv.awaitResultNoInterrupt(getSyncTimeout()).getValue(defaultValue),
		mAttributionSource);
		} catch (RemoteException \| TimeoutException e) {
		Log.e(TAG, e.toString() + "\n" + Log.getStackTraceString(new Throwable()));
		}
		}
		if (service == null) Log.w(TAG, "Proxy not attached to service");
		return new ArrayList<BluetoothDevice>();
		return defaultValue;
		}

		/**
		@@ -228,18 +246,23 @@ public final class BluetoothA2dpSink implements BluetoothProfile {
		public List<BluetoothDevice> getDevicesMatchingConnectionStates(int[] states) {
		if (VDBG) log("getDevicesMatchingStates()");
		final IBluetoothA2dpSink service = getService();
		if (service != null && isEnabled()) {
		final List<BluetoothDevice> defaultValue = new ArrayList<BluetoothDevice>();
		if (service == null) {
		Log.w(TAG, "Proxy not attached to service");
		if (DBG) log(Log.getStackTraceString(new Throwable()));
		} else if (isEnabled()) {
		try {
		final SynchronousResultReceiver<List<BluetoothDevice>> recv =
		new SynchronousResultReceiver();
		service.getDevicesMatchingConnectionStates(states, mAttributionSource, recv);
		return Attributable.setAttributionSource(
		service.getDevicesMatchingConnectionStates(states, mAttributionSource),
		recv.awaitResultNoInterrupt(getSyncTimeout()).getValue(defaultValue),
		mAttributionSource);
		} catch (RemoteException e) {
		Log.e(TAG, "Stack:" + Log.getStackTraceString(new Throwable()));
		return new ArrayList<BluetoothDevice>();
		} catch (RemoteException \| TimeoutException e) {
		Log.e(TAG, e.toString() + "\n" + Log.getStackTraceString(new Throwable()));
		}
		}
		if (service == null) Log.w(TAG, "Proxy not attached to service");
		return new ArrayList<BluetoothDevice>();
		return defaultValue;
		}

		/**
		@@ -251,18 +274,22 @@ public final class BluetoothA2dpSink implements BluetoothProfile {
		@RequiresBluetoothConnectPermission
		@RequiresPermission(android.Manifest.permission.BLUETOOTH_CONNECT)
		public int getConnectionState(BluetoothDevice device) {
		if (VDBG) log("getState(" + device + ")");
		if (VDBG) log("getConnectionState(" + device + ")");
		final IBluetoothA2dpSink service = getService();
		if (service != null && isEnabled() && isValidDevice(device)) {
		final int defaultValue = BluetoothProfile.STATE_DISCONNECTED;
		if (service == null) {
		Log.w(TAG, "Proxy not attached to service");
		if (DBG) log(Log.getStackTraceString(new Throwable()));
		} else if (isEnabled() && isValidDevice(device)) {
		try {
		return service.getConnectionState(device, mAttributionSource);
		} catch (RemoteException e) {
		Log.e(TAG, "Stack:" + Log.getStackTraceString(new Throwable()));
		return BluetoothProfile.STATE_DISCONNECTED;
		final SynchronousResultReceiver<Integer> recv = new SynchronousResultReceiver();
		service.getConnectionState(device, mAttributionSource, recv);
		return recv.awaitResultNoInterrupt(getSyncTimeout()).getValue(defaultValue);
		} catch (RemoteException \| TimeoutException e) {
		Log.e(TAG, e.toString() + "\n" + Log.getStackTraceString(new Throwable()));
		}
		}
		if (service == null) Log.w(TAG, "Proxy not attached to service");
		return BluetoothProfile.STATE_DISCONNECTED;
		return defaultValue;
		}

		/**
		@@ -282,16 +309,21 @@ public final class BluetoothA2dpSink implements BluetoothProfile {
		public BluetoothAudioConfig getAudioConfig(BluetoothDevice device) {
		if (VDBG) log("getAudioConfig(" + device + ")");
		final IBluetoothA2dpSink service = getService();
		if (service != null && isEnabled() && isValidDevice(device)) {
		final BluetoothAudioConfig defaultValue = null;
		if (service == null) {
		Log.w(TAG, "Proxy not attached to service");
		if (DBG) log(Log.getStackTraceString(new Throwable()));
		} else if (isEnabled() && isValidDevice(device)) {
		try {
		return service.getAudioConfig(device, mAttributionSource);
		} catch (RemoteException e) {
		Log.e(TAG, "Stack:" + Log.getStackTraceString(new Throwable()));
		return null;
		final SynchronousResultReceiver<BluetoothAudioConfig> recv =
		new SynchronousResultReceiver();
		service.getAudioConfig(device, mAttributionSource, recv);
		return recv.awaitResultNoInterrupt(getSyncTimeout()).getValue(defaultValue);
		} catch (RemoteException \| TimeoutException e) {
		Log.e(TAG, e.toString() + "\n" + Log.getStackTraceString(new Throwable()));
		}
		}
		if (service == null) Log.w(TAG, "Proxy not attached to service");
		return null;
		return defaultValue;
		}

		/**
		@@ -337,20 +369,22 @@ public final class BluetoothA2dpSink implements BluetoothProfile {
		@ConnectionPolicy int connectionPolicy) {
		if (DBG) log("setConnectionPolicy(" + device + ", " + connectionPolicy + ")");
		final IBluetoothA2dpSink service = getService();
		if (service != null && isEnabled() && isValidDevice(device)) {
		if (connectionPolicy != BluetoothProfile.CONNECTION_POLICY_FORBIDDEN
		&& connectionPolicy != BluetoothProfile.CONNECTION_POLICY_ALLOWED) {
		return false;
		}
		final boolean defaultValue = false;
		if (service == null) {
		Log.w(TAG, "Proxy not attached to service");
		if (DBG) log(Log.getStackTraceString(new Throwable()));
		} else if (isEnabled() && isValidDevice(device)
		&& (connectionPolicy == BluetoothProfile.CONNECTION_POLICY_FORBIDDEN
		\|\| connectionPolicy == BluetoothProfile.CONNECTION_POLICY_ALLOWED)) {
		try {
		return service.setConnectionPolicy(device, connectionPolicy, mAttributionSource);
		} catch (RemoteException e) {
		Log.e(TAG, "Stack:" + Log.getStackTraceString(new Throwable()));
		return false;
		final SynchronousResultReceiver<Boolean> recv = new SynchronousResultReceiver();
		service.setConnectionPolicy(device, connectionPolicy, mAttributionSource, recv);
		return recv.awaitResultNoInterrupt(getSyncTimeout()).getValue(defaultValue);
		} catch (RemoteException \| TimeoutException e) {
		Log.e(TAG, e.toString() + "\n" + Log.getStackTraceString(new Throwable()));
		}
		}
		if (service == null) Log.w(TAG, "Proxy not attached to service");
		return false;
		return defaultValue;
		}

		/**
		@@ -393,16 +427,20 @@ public final class BluetoothA2dpSink implements BluetoothProfile {
		public @ConnectionPolicy int getConnectionPolicy(@NonNull BluetoothDevice device) {
		if (VDBG) log("getConnectionPolicy(" + device + ")");
		final IBluetoothA2dpSink service = getService();
		if (service != null && isEnabled() && isValidDevice(device)) {
		final int defaultValue = BluetoothProfile.CONNECTION_POLICY_FORBIDDEN;
		if (service == null) {
		Log.w(TAG, "Proxy not attached to service");
		if (DBG) log(Log.getStackTraceString(new Throwable()));
		} else if (isEnabled() && isValidDevice(device)) {
		try {
		return service.getConnectionPolicy(device, mAttributionSource);
		} catch (RemoteException e) {
		Log.e(TAG, "Stack:" + Log.getStackTraceString(new Throwable()));
		return BluetoothProfile.CONNECTION_POLICY_FORBIDDEN;
		final SynchronousResultReceiver<Integer> recv = new SynchronousResultReceiver();
		service.getConnectionPolicy(device, mAttributionSource, recv);
		return recv.awaitResultNoInterrupt(getSyncTimeout()).getValue(defaultValue);
		} catch (RemoteException \| TimeoutException e) {
		Log.e(TAG, e.toString() + "\n" + Log.getStackTraceString(new Throwable()));
		}
		}
		if (service == null) Log.w(TAG, "Proxy not attached to service");
		return BluetoothProfile.CONNECTION_POLICY_FORBIDDEN;
		return defaultValue;
		}

		/**
		@@ -420,17 +458,22 @@ public final class BluetoothA2dpSink implements BluetoothProfile {
		android.Manifest.permission.BLUETOOTH_PRIVILEGED,
		})
		public boolean isAudioPlaying(@NonNull BluetoothDevice device) {
		if (VDBG) log("isAudioPlaying(" + device + ")");
		final IBluetoothA2dpSink service = getService();
		if (service != null && isEnabled() && isValidDevice(device)) {
		final boolean defaultValue = false;
		if (service == null) {
		Log.w(TAG, "Proxy not attached to service");
		if (DBG) log(Log.getStackTraceString(new Throwable()));
		} else if (isEnabled() && isValidDevice(device)) {
		try {
		return service.isA2dpPlaying(device, mAttributionSource);
		} catch (RemoteException e) {
		Log.e(TAG, "Stack:" + Log.getStackTraceString(new Throwable()));
		return false;
		final SynchronousResultReceiver<Boolean> recv = new SynchronousResultReceiver();
		service.isA2dpPlaying(device, mAttributionSource, recv);
		return recv.awaitResultNoInterrupt(getSyncTimeout()).getValue(defaultValue);
		} catch (RemoteException \| TimeoutException e) {
		Log.e(TAG, e.toString() + "\n" + Log.getStackTraceString(new Throwable()));
		}
		}
		if (service == null) Log.w(TAG, "Proxy not attached to service");
		return false;
		return defaultValue;
		}

		/**

core/java/android/bluetooth/BluetoothAvrcpController.java

+80 −55

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

		package android.bluetooth;

		import static android.bluetooth.BluetoothUtils.getSyncTimeout;

		import android.annotation.RequiresPermission;
		import android.annotation.SdkConstant;
		import android.annotation.SdkConstant.SdkConstantType;
		@@ -23,13 +25,15 @@ import android.bluetooth.annotations.RequiresBluetoothConnectPermission;
		import android.bluetooth.annotations.RequiresLegacyBluetoothPermission;
		import android.content.AttributionSource;
		import android.content.Context;
		import android.os.Binder;
		import android.os.IBinder;
		import android.os.RemoteException;
		import android.util.Log;

		import com.android.modules.utils.SynchronousResultReceiver;

		import java.util.ArrayList;
		import java.util.List;
		import java.util.concurrent.TimeoutException;

		/**
		* This class provides the public APIs to control the Bluetooth AVRCP Controller. It currently
		@@ -93,8 +97,7 @@ public final class BluetoothAvrcpController implements BluetoothProfile {
		"BluetoothAvrcpController", IBluetoothAvrcpController.class.getName()) {
		@Override
		public IBluetoothAvrcpController getServiceInterface(IBinder service) {
		return IBluetoothAvrcpController.Stub.asInterface(
		Binder.allowBlocking(service));
		return IBluetoothAvrcpController.Stub.asInterface(service);
		}
		};

		@@ -130,19 +133,24 @@ public final class BluetoothAvrcpController implements BluetoothProfile {
		@RequiresPermission(android.Manifest.permission.BLUETOOTH_CONNECT)
		public List<BluetoothDevice> getConnectedDevices() {
		if (VDBG) log("getConnectedDevices()");
		final IBluetoothAvrcpController service =
		getService();
		if (service != null && isEnabled()) {
		final IBluetoothAvrcpController service = getService();
		final List<BluetoothDevice> defaultValue = new ArrayList<BluetoothDevice>();
		if (service == null) {
		Log.w(TAG, "Proxy not attached to service");
		if (DBG) log(Log.getStackTraceString(new Throwable()));
		} else if (isEnabled()) {
		try {
		final SynchronousResultReceiver<List<BluetoothDevice>> recv =
		new SynchronousResultReceiver();
		service.getConnectedDevices(mAttributionSource, recv);
		return Attributable.setAttributionSource(
		service.getConnectedDevices(mAttributionSource), mAttributionSource);
		} catch (RemoteException e) {
		Log.e(TAG, "Stack:" + Log.getStackTraceString(new Throwable()));
		return new ArrayList<BluetoothDevice>();
		recv.awaitResultNoInterrupt(getSyncTimeout()).getValue(defaultValue),
		mAttributionSource);
		} catch (RemoteException \| TimeoutException e) {
		Log.e(TAG, e.toString() + "\n" + Log.getStackTraceString(new Throwable()));
		}
		}
		if (service == null) Log.w(TAG, "Proxy not attached to service");
		return new ArrayList<BluetoothDevice>();
		return defaultValue;
		}

		/**
		@@ -153,20 +161,24 @@ public final class BluetoothAvrcpController implements BluetoothProfile {
		@RequiresPermission(android.Manifest.permission.BLUETOOTH_CONNECT)
		public List<BluetoothDevice> getDevicesMatchingConnectionStates(int[] states) {
		if (VDBG) log("getDevicesMatchingStates()");
		final IBluetoothAvrcpController service =
		getService();
		if (service != null && isEnabled()) {
		final IBluetoothAvrcpController service = getService();
		final List<BluetoothDevice> defaultValue = new ArrayList<BluetoothDevice>();
		if (service == null) {
		Log.w(TAG, "Proxy not attached to service");
		if (DBG) log(Log.getStackTraceString(new Throwable()));
		} else if (isEnabled()) {
		try {
		final SynchronousResultReceiver<List<BluetoothDevice>> recv =
		new SynchronousResultReceiver();
		service.getDevicesMatchingConnectionStates(states, mAttributionSource, recv);
		return Attributable.setAttributionSource(
		service.getDevicesMatchingConnectionStates(states, mAttributionSource),
		recv.awaitResultNoInterrupt(getSyncTimeout()).getValue(defaultValue),
		mAttributionSource);
		} catch (RemoteException e) {
		Log.e(TAG, "Stack:" + Log.getStackTraceString(new Throwable()));
		return new ArrayList<BluetoothDevice>();
		} catch (RemoteException \| TimeoutException e) {
		Log.e(TAG, e.toString() + "\n" + Log.getStackTraceString(new Throwable()));
		}
		}
		if (service == null) Log.w(TAG, "Proxy not attached to service");
		return new ArrayList<BluetoothDevice>();
		return defaultValue;
		}

		/**
		@@ -177,18 +189,21 @@ public final class BluetoothAvrcpController implements BluetoothProfile {
		@RequiresPermission(android.Manifest.permission.BLUETOOTH_CONNECT)
		public int getConnectionState(BluetoothDevice device) {
		if (VDBG) log("getState(" + device + ")");
		final IBluetoothAvrcpController service =
		getService();
		if (service != null && isEnabled() && isValidDevice(device)) {
		final IBluetoothAvrcpController service = getService();
		final int defaultValue = BluetoothProfile.STATE_DISCONNECTED;
		if (service == null) {
		Log.w(TAG, "Proxy not attached to service");
		if (DBG) log(Log.getStackTraceString(new Throwable()));
		} else if (isEnabled() && isValidDevice(device)) {
		try {
		return service.getConnectionState(device, mAttributionSource);
		} catch (RemoteException e) {
		Log.e(TAG, "Stack:" + Log.getStackTraceString(new Throwable()));
		return BluetoothProfile.STATE_DISCONNECTED;
		final SynchronousResultReceiver<Integer> recv = new SynchronousResultReceiver();
		service.getConnectionState(device, mAttributionSource, recv);
		return recv.awaitResultNoInterrupt(getSyncTimeout()).getValue(defaultValue);
		} catch (RemoteException \| TimeoutException e) {
		Log.e(TAG, e.toString() + "\n" + Log.getStackTraceString(new Throwable()));
		}
		}
		if (service == null) Log.w(TAG, "Proxy not attached to service");
		return BluetoothProfile.STATE_DISCONNECTED;
		return defaultValue;
		}

		/**
		@@ -201,17 +216,22 @@ public final class BluetoothAvrcpController implements BluetoothProfile {
		public BluetoothAvrcpPlayerSettings getPlayerSettings(BluetoothDevice device) {
		if (DBG) Log.d(TAG, "getPlayerSettings");
		BluetoothAvrcpPlayerSettings settings = null;
		final IBluetoothAvrcpController service =
		getService();
		if (service != null && isEnabled()) {
		final IBluetoothAvrcpController service = getService();
		final BluetoothAvrcpPlayerSettings defaultValue = null;
		if (service == null) {
		Log.w(TAG, "Proxy not attached to service");
		if (DBG) log(Log.getStackTraceString(new Throwable()));
		} else if (isEnabled()) {
		try {
		settings = service.getPlayerSettings(device, mAttributionSource);
		} catch (RemoteException e) {
		Log.e(TAG, "Error talking to BT service in getMetadata() " + e);
		return null;
		final SynchronousResultReceiver<BluetoothAvrcpPlayerSettings> recv =
		new SynchronousResultReceiver();
		service.getPlayerSettings(device, mAttributionSource, recv);
		settings = recv.awaitResultNoInterrupt(getSyncTimeout()).getValue(defaultValue);
		} catch (RemoteException \| TimeoutException e) {
		Log.e(TAG, e.toString() + "\n" + Log.getStackTraceString(new Throwable()));
		}
		}
		return settings;
		return defaultValue;
		}

		/**
		@@ -222,18 +242,21 @@ public final class BluetoothAvrcpController implements BluetoothProfile {
		@RequiresPermission(android.Manifest.permission.BLUETOOTH_CONNECT)
		public boolean setPlayerApplicationSetting(BluetoothAvrcpPlayerSettings plAppSetting) {
		if (DBG) Log.d(TAG, "setPlayerApplicationSetting");
		final IBluetoothAvrcpController service =
		getService();
		if (service != null && isEnabled()) {
		final IBluetoothAvrcpController service = getService();
		final boolean defaultValue = false;
		if (service == null) {
		Log.w(TAG, "Proxy not attached to service");
		if (DBG) log(Log.getStackTraceString(new Throwable()));
		} else if (isEnabled()) {
		try {
		return service.setPlayerApplicationSetting(plAppSetting, mAttributionSource);
		} catch (RemoteException e) {
		Log.e(TAG, "Error talking to BT service in setPlayerApplicationSetting() " + e);
		return false;
		final SynchronousResultReceiver<Boolean> recv = new SynchronousResultReceiver();
		service.setPlayerApplicationSetting(plAppSetting, mAttributionSource, recv);
		return recv.awaitResultNoInterrupt(getSyncTimeout()).getValue(defaultValue);
		} catch (RemoteException \| TimeoutException e) {
		Log.e(TAG, e.toString() + "\n" + Log.getStackTraceString(new Throwable()));
		}
		}
		if (service == null) Log.w(TAG, "Proxy not attached to service");
		return false;
		return defaultValue;
		}

		/**
		@@ -245,18 +268,20 @@ public final class BluetoothAvrcpController implements BluetoothProfile {
		public void sendGroupNavigationCmd(BluetoothDevice device, int keyCode, int keyState) {
		Log.d(TAG, "sendGroupNavigationCmd dev = " + device + " key " + keyCode + " State = "
		+ keyState);
		final IBluetoothAvrcpController service =
		getService();
		if (service != null && isEnabled()) {
		final IBluetoothAvrcpController service = getService();
		if (service == null) {
		Log.w(TAG, "Proxy not attached to service");
		if (DBG) log(Log.getStackTraceString(new Throwable()));
		} else if (isEnabled()) {
		try {
		service.sendGroupNavigationCmd(device, keyCode, keyState, mAttributionSource);
		return;
		} catch (RemoteException e) {
		Log.e(TAG, "Error talking to BT service in sendGroupNavigationCmd()", e);
		final SynchronousResultReceiver recv = new SynchronousResultReceiver();
		service.sendGroupNavigationCmd(device, keyCode, keyState, mAttributionSource, recv);
		recv.awaitResultNoInterrupt(getSyncTimeout()).getValue(null);
		return;
		} catch (RemoteException \| TimeoutException e) {
		Log.e(TAG, e.toString() + "\n" + Log.getStackTraceString(new Throwable()));
		}
		}
		if (service == null) Log.w(TAG, "Proxy not attached to service");
		}

		private boolean isEnabled() {

core/java/android/bluetooth/BluetoothCsipSetCoordinator.java

+131 −129

File changed.

Preview size limit exceeded, changes collapsed.