Android :拦截蓝牙耳机的应答按钮

<uses-permission android:name="android.permission.BLUETOOTH" />
<uses-permission android:name="android.permission.BLUETOOTH_ADMIN" />

public class BluetoothButtonReceiver extends BroadcastReceiver {
    @Override
    public void onReceive(Context context, Intent intent) {
        String action = intent.getAction();
        if (action.equals(Intent.ACTION_MEDIA_BUTTON)) {
            KeyEvent event = intent.getParcelableExtra(Intent.EXTRA_KEY_EVENT);
            if (event != null && event.getAction() == KeyEvent.ACTION_DOWN) {
                // 处理蓝牙耳机按钮按下事件
                // 可以在这里执行自定义的操作
            }
        }
    }
}

<receiver android:name=".BluetoothButtonReceiver">
    <intent-filter>
        <action android:name="android.intent.action.MEDIA_BUTTON" />
    </intent-filter>
</receiver>