我正在使用蓝牙设备(IOIO开发板)。
当我的设备断开连接时,我想听。它可以正常使用上面的代码,但它无法立即识别。当我关闭我的蓝牙开发板时,我必须等待~16秒,直到我的Android识别出连接丢失。
有人知道为什么吗?我听说应该是内部的Android限制,连接不经常检查? 有人知道如何编写一个“ping”蓝牙设备的线程吗?我认为它与Android BluetoothChat示例非常相似,但我无法自行修复它。
感谢。
菲利克斯
@Override
public void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.main);
IntentFilter filter1 = new IntentFilter(BluetoothDevice.ACTION_ACL_DISCONNECT_REQUESTED);
IntentFilter filter2 = new IntentFilter(BluetoothDevice.ACTION_ACL_DISCONNECTED);
this.registerReceiver(mReceiver, filter1);
this.registerReceiver(mReceiver, filter2);
}
private final BroadcastReceiver mReceiver = new BroadcastReceiver() {
@Override
public void onReceive(Context context, Intent intent) {
String action = intent.getAction();
BluetoothDevice device = intent.getParcelableExtra(BluetoothDevice.EXTRA_DEVICE);
if (BluetoothDevice.ACTION_ACL_DISCONNECT_REQUESTED.equals(action)) {
//Device is about to disconnect
Toast.makeText(context,"The device is about to disconnect" , Toast.LENGTH_LONG).show();
}
else if (BluetoothDevice.ACTION_ACL_DISCONNECTED.equals(action)) {
//Device has disconnected
Toast.makeText(context,"Device has disconnected" , Toast.LENGTH_LONG).show();
}
}
};