我编写了一个创建并启动IntentService的活动，IntenteService将BroadCast信息发送到成功接收它的Activity，现在我想将数据从Activity发送回IntentService，我尝试通过实现我试图implimente BroadCastReciver但是，它没有用，有什么提示吗？提前谢谢。
public class ListenActivity extends AppCompatActivity {
/*** Attributes ***/
private Intent intentListeningService;
private Intent intentVictim;
//BroadcastReceiver
private BroadcastReceiver_addVictim broadcastReceiver_addVictim;
//IntentFilters
private IntentFilter intentFilter_addVictim;
private SwipeRefreshLayout mSwipeRefreshLayout;
// for send to Service
public static final String ACTION_Refresh = "com.bmm.bmmratvandroid.ListenActivity.Refresh";
public static final String EXTRA_KEY_r = "EXTRA_r";
@Override
public void onCreate(@Nullable Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_listen);
/*****************************************************
* initialization get info from precedent activity *
***************************************************/
Intent i = getIntent();
serverPort = i.getIntExtra("port",6000);
/****************************
* start service listening *
***************************/
intentListeningService = new Intent(this, ListeningService.class);
intentListeningService.putExtra(ListeningService.EXTRA_KEY_PORT, serverPort);
Toast.makeText(getApplicationContext(), "Starting Service ..", Toast.LENGTH_LONG).show();
startService(intentListeningService);
/********************************
* Create BroadcastReceivers *
*******************************/
broadcastReceiver_addVictim = new BroadcastReceiver_addVictim();
/*******************************
* register BroadcastReceivers *
*******************************/
intentFilter_addVictim = new IntentFilter(ListeningService.ACTION_MyUpdate);
intentFilter_addVictim.addCategory(Intent.CATEGORY_DEFAULT);
registerReceiver(broadcastReceiver_addVictim, intentFilter_addVictim);
// here shoud send message to Service what didn't work
Intent intentRefresh = new Intent();
intentRefresh.setAction(ACTION_Refresh);
intentRefresh.addCategory(Intent.CATEGORY_DEFAULT);
intentRefresh.putExtra(EXTRA_KEY_r, "REFRESH");
sendBroadcast(intentRefresh);
} // fin onCreate(Bundle savedInstanceState)
/*<<<<<<<<<<<<<<<<<<<<<<<<<<<<
< BroadcastReceiver Classes <
<<<<<<<<<<<<<<<<<<<<<<<<<<<<*/
public class BroadcastReceiver_addVictim extends BroadcastReceiver {
@Override
public void onReceive(Context context, Intent intent) {
String ip =null;
ip = intent.getStringExtra(ListeningService.EXTRA_KEY_addVictim);
// Here I recive message from the IntentService
// process(ip)
}
}} // fin ListenActivity
public class ListeningService extends IntentService {
/*** Attributes ***/
public static final String ACTION_MyIntentService = "com.bmm.bmmratvandroid.ListeningService.RESPONSE";
public static final String ACTION_MyUpdate = "com.bmm.bmmratvandroid.ListeningService.UPDATE";
public static final String EXTRA_KEY_PORT = "EXTRA_PORT";
public static final String EXTRA_KEY_OUT = "EXTRA_OUT";
public static final String EXTRA_KEY_addVictim = "EXTRA_addVictim";
public static final String EXTRA_KEY_deleteVictim = "EXTRA_deleteVictim";
int serverPort;
private String serviceMsg;
private ServerSocket serverSocket;
private Hashtable<String,Socket> sockets;
private int timeOut;
//BroadcastReceiver
private BroadcastReceiver_reponse broadcastReceiver_r;
//IntentFilters
private IntentFilter intentFilter_r;
/*****************
* Constructeur *
* ***************/
public ListeningService() {
super("com.bmm.bmmratvandroid.ListeningService");
sockets = new Hashtable<String,Socket>();
timeOut = 3000;
}
/************************
* Communication method *
************************/
@Override
protected void onHandleIntent(@Nullable Intent intent) {
serverPort = intent.getIntExtra(EXTRA_KEY_PORT,6000); // get port
/********************************
* Create BroadcastReceivers *
*******************************/
broadcastReceiver_r = new BroadcastReceiver_reponse();
/*******************************
* register BroadcastReceivers *
*******************************/
intentFilter_r = new IntentFilter(ListenActivity.ACTION_Refresh);
intentFilter_r.addCategory(Intent.CATEGORY_DEFAULT);
registerReceiver(broadcastReceiver_r, intentFilter_r);
}
//*-*-*-*-*-*-*-*-*-*-*-**-*-*-*//
//\\ Calling ListenActivity //\\
//*-*-*-*-*-*-*-*-*-*-*-*-*-*-*//
private void addVictim(String ip) {
Intent intentUpdate = new Intent();
intentUpdate.setAction(ACTION_MyUpdate);
intentUpdate.addCategory(Intent.CATEGORY_DEFAULT);
intentUpdate.putExtra(EXTRA_KEY_addVictim, ip);
sendBroadcast(intentUpdate);
}
//###############################
// methode manipulating sokets #
//###############################
/*<<<<<<<<<<<<<<<<<<<<<<<<<<<<
< BroadcastReceiver Classes <
<<<<<<<<<<<<<<<<<<<<<<<<<<<<*/
public class BroadcastReceiver_reponse extends BroadcastReceiver {
@Override
public void onReceive(Context context, Intent intent) {
//!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
// HERE I SHOUD RECIVE THE MESSAGE !?
//???????????????????????????????????
intent.getStringExtra(ListenActivity.EXTRA_KEY_r);
}
}}