Android监听蓝牙广播

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

public class BluetoothMonitorReceiver extends BroadcastReceiver {
    private static final String TAG = "BluetoothMonitorReceiver";
 
    @Override
    public void onReceive(Context context, Intent intent) {
        String action = intent.getAction();
        Log.d(TAG,"action = " + action);
        if(action != null){
            switch (action) {
                case BluetoothAdapter.ACTION_STATE_CHANGED:
                    int blueState = intent.getIntExtra(BluetoothAdapter.EXTRA_STATE, 0);
                    switch (blueState) {
                        case BluetoothAdapter.STATE_TURNING_ON:
                            Log.d(TAG,"蓝牙正在打开");
                            break;
                        case BluetoothAdapter.STATE_ON:
                            Log.d(TAG,"蓝牙已经打开");
                            break;
                        case BluetoothAdapter.STATE_TURNING_OFF:
                            Log.d(TAG,"蓝牙正在关闭");
                            break;
                        case BluetoothAdapter.STATE_OFF:
                            Log.d(TAG,"蓝牙已经关闭");
                            break;
                    }
                    break;
 
                case BluetoothDevice.ACTION_ACL_CONNECTED:
                    Log.d(TAG,"蓝牙设备已连接");
                    //.getInstance(context).updateBluetoothlist();
                    break;
 
                case BluetoothDevice.ACTION_ACL_DISCONNECTED:
                    Log.d(TAG,"蓝牙设备已断开");
                   // CacheArrayManager.getInstance(HwContext.getContext()).disConnectGatt("val");
                    //CacheArrayManager.getInstance(context).updateBluetoothlist();
                    break;
                case BluetoothDevice.ACTION_ALIAS_CHANGED:
                    Log.d(TAG,"蓝牙设备名称改变");
                    //CacheArrayManager.getInstance(context).updateBluetoothlist();
                    break;
            }
 
        }
    }
}