📅  最后修改于: 2022-03-11 14:55:38.155000             🧑  作者: Mango
public class BluetoothReceiver extends BroadcastReceiver {
private AudioManager localAudioManager;
private static final int STATE_DISCONNECTED = 0x00000000;
private static final String EXTRA_STATE = "android.bluetooth.headset.extra.STATE";
private static final String TAG = "BluetoothReceiver";
private static final String ACTION_BT_HEADSET_STATE_CHANGED = "android.bluetooth.headset.action.STATE_CHANGED";
private static final String ACTION_BT_HEADSET_FORCE_ON = "android.bluetooth.headset.action.FORCE_ON";
private static final String ACTION_BT_HEADSET_FORCE_OFF = "android.bluetooth.headset.action.FORCE_OFF";
@Override
public void onReceive(final Context context, final Intent intent) {
Log.i(TAG,"onReceive - BluetoothBroadcast");
localAudioManager = (AudioManager) context.getSystemService(Context.AUDIO_SERVICE);
final String action = intent.getAction();
if (action.equals(ACTION_BT_HEADSET_STATE_CHANGED)) {
final int extraData = intent.getIntExtra(EXTRA_STATE, STATE_DISCONNECTED);
if (extraData == STATE_DISCONNECTED) {
//no headset -> going other modes
localAudioManager.setBluetoothScoOn(false);
localAudioManager.stopBluetoothSco();
localAudioManager.setMode(AudioManager.MODE_NORMAL);
Log.i(TAG, "Bluetooth Headset Off " + localAudioManager.getMode());
Log.i(TAG, "A2DP: " + localAudioManager.isBluetoothA2dpOn() + ". SCO: " + localAudioManager.isBluetoothScoAvailableOffCall());
} else {
localAudioManager.setMode(0);
localAudioManager.setBluetoothScoOn(true);
localAudioManager.startBluetoothSco();
localAudioManager.setMode(AudioManager.MODE_IN_CALL);
Log.i(TAG, "Bluetooth Headset On " + localAudioManager.getMode());
Log.i(TAG, "A2DP: " + localAudioManager.isBluetoothA2dpOn() + ". SCO: " + localAudioManager.isBluetoothScoAvailableOffCall());
}
}
if (action.equals(ACTION_BT_HEADSET_FORCE_ON)) {
localAudioManager.setMode(0);
localAudioManager.setBluetoothScoOn(true);
localAudioManager.startBluetoothSco();
localAudioManager.setMode(AudioManager.MODE_IN_CALL);
Log.i(TAG, "Bluetooth Headset On " + localAudioManager.getMode());
Log.i(TAG, "A2DP: " + localAudioManager.isBluetoothA2dpOn() + ". SCO: " + localAudioManager.isBluetoothScoAvailableOffCall());
}
if (action.equals(ACTION_BT_HEADSET_FORCE_OFF)) {
localAudioManager.setBluetoothScoOn(false);
localAudioManager.stopBluetoothSco();
localAudioManager.setMode(AudioManager.MODE_NORMAL);
Log.i(TAG, "Bluetooth Headset Off " + localAudioManager.getMode());
Log.i(TAG, "A2DP: " + localAudioManager.isBluetoothA2dpOn() + ". SCO: " + localAudioManager.isBluetoothScoAvailableOffCall());
}
}
}