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我有行動中的BroadcastReceiver
服務。該服務在啓動時啓動並繼續運行,並且我有一項活動可以讓我檢查服務正在運行並啓動/停止服務。從藍牙設備連接/斷開連接時,我沒有收到任何意圖。我正在運行Android 2.3的HTC Desire S上測試此功能。我試圖在清單中註冊BroadcastReceiver
,但無濟於事。BroadcastReceiver ACTION_ACL_CONNECTED從未收到
下面是代碼:
public class BTDetectSrv extends Service {
public IBinder onBind(Intent intent)
{
return null;
}
@Override
public void onCreate()
{
Toast.makeText(this, "Service created", Toast.LENGTH_LONG).show();
}
@Override
public int onStartCommand(Intent intent, int flags, int startId)
{
Toast.makeText(this, "Service Started", Toast.LENGTH_LONG).show();
IntentFilter filter1, filter2, filter3, filter4;
filter1 = new IntentFilter("android.bluetooth.a2dp.profile.action.CONNECTION_STATE_CHANGED");
filter2 = new IntentFilter(android.bluetooth.BluetoothDevice.ACTION_ACL_DISCONNECTED);
filter3 = new IntentFilter(android.bluetooth.BluetoothDevice.ACTION_ACL_CONNECTED);
filter4 = new IntentFilter(android.bluetooth.BluetoothDevice.ACTION_ACL_DISCONNECT_REQUESTED);
this.registerReceiver(mReceiver, filter1);
this.registerReceiver(mReceiver, filter2);
this.registerReceiver(mReceiver, filter3);
this.registerReceiver(mReceiver, filter4);
return START_STICKY;
}
//The BroadcastReceiver that listens for bluetooth broadcasts
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);
Toast.makeText(BlueDetectSrv.this, "BT change received !", Toast.LENGTH_LONG).show();
if (BluetoothDevice.ACTION_FOUND.equals(action)) {
Toast.makeText(BlueDetectSrv.this, device.getName() + " Device found", Toast.LENGTH_LONG).show();
}
else if (BluetoothDevice.ACTION_ACL_CONNECTED.equals(action)) {
Toast.makeText(BlueDetectSrv.this, device.getName() + " Device is now connected", Toast.LENGTH_LONG).show();
}
else if (BluetoothDevice.ACTION_ACL_DISCONNECT_REQUESTED.equals(action)) {
Toast.makeText(BlueDetectSrv.this, device.getName() + " Device is about to disconnect", Toast.LENGTH_LONG).show();
}
else if (BluetoothDevice.ACTION_ACL_DISCONNECTED.equals(action)) {
Toast.makeText(BlueDetectSrv.this, device.getName() + " Device has disconnected", Toast.LENGTH_LONG).show();
}
}
};
@Override
public void onDestroy()
{
this.unregisterReceiver(mReceiver);
Toast.makeText(this, "BlueDetect Stopped", Toast.LENGTH_LONG).show();
}
}
我加在清單以下權限:
<uses-permission android:name="android.permission.ACCESS_NETWORK_STATE" />
<uses-permission android:name="android.permission.CHANGE_NETWORK_STATE" />
你有t他藍牙權限設置? – NikkyD
我忘記了藍牙許可。我現在工作正常。謝謝 ! – Shessel