Fixed #14

Author: devgianlu

app/src/main/java/com/gianlu/aria2android/Aria2/BinService.java

@@ -42,6 +42,7 @@
 public class BinService extends Service implements StreamListener.Listener {
     public static final int START = 0;
     public static final int STOP = 1;
+    public static final int STATUS = 2;
     public static final int NOTIFICATION_ID = 1;
     public static final String ACTION_START_SERVICE = "com.gianlu.aria2android.START_SERVICE";
     public static final String ACTION_STOP_SERVICE = "com.gianlu.aria2android.STOP_SERVICE";
@@ -69,6 +70,12 @@ public IBinder onBind(Intent intent) {
         return messenger.getBinder();
     }
 
+    private void dispatchStatus() {
+        Intent intent = new Intent(Action.SERVER_STATUS.toString());
+        intent.putExtra("on", process != null);
+        broadcastManager.sendBroadcast(intent);
+    }
+
     @TargetApi(Build.VERSION_CODES.O)
     private void createChannel() {
         NotificationChannel chan = new NotificationChannel(CHANNEL_ID, SERVICE_NAME, NotificationManager.IMPORTANCE_DEFAULT);
@@ -118,7 +125,7 @@ private void startBin(@NonNull StartConfig config) {
         dispatchBroadcast(Action.SERVER_START, null, null);
     }
 
-    private void ex(Exception ex) {
+    private void ex(@NonNull Exception ex) {
         Logging.log(ex);
         dispatchBroadcast(Action.SERVER_EX, null, ex);
     }
@@ -200,6 +207,7 @@ public void unknownLogLine(@NonNull String line) {
     }
 
     public enum Action {
+        SERVER_STATUS,
         SERVER_START,
         SERVER_MSG,
         SERVER_EX,
@@ -236,6 +244,9 @@ public void handleMessage(Message msg) {
                 case STOP:
                     stopBin();
                     break;
+                case STATUS:
+                    dispatchStatus();
+                    break;
                 default:
                     super.handleMessage(msg);
             }

app/src/main/java/com/gianlu/aria2android/MainActivity.java

@@ -73,6 +73,7 @@ public class MainActivity extends ActivityWithDialog {
         public void onServiceConnected(ComponentName componentName, IBinder iBinder) {
             serviceMessenger = new Messenger(iBinder);
             checkIntentAction(getIntent());
+            askForStatus();
         }
 
         @Override
@@ -91,6 +92,23 @@ private static boolean isARM() {
         return false;
     }
 
+    @Override
+    protected void onResume() {
+        super.onResume();
+
+        askForStatus();
+    }
+
+    private void askForStatus() {
+        if (serviceMessenger == null) return;
+
+        try {
+            serviceMessenger.send(Message.obtain(null, BinService.STATUS, null));
+        } catch (RemoteException ex) {
+            Logging.log(ex);
+        }
+    }
+
     @Override
     protected void onActivityResult(int requestCode, int resultCode, Intent data) {
         if (requestCode == STORAGE_ACCESS_CODE) {
@@ -558,6 +576,9 @@ public void onReceive(Context context, final Intent intent) {
             if (action != null && intent != null) {
                 runOnUiThread(() -> {
                     switch (action) {
+                        case SERVER_STATUS:
+                            updateUiStatus(intent.getBooleanExtra("on", false));
+                            break;
                         case SERVER_START:
                             addLog(new Logging.LogLine(Logging.LogLine.Type.INFO, getString(R.string.serverStarted)));
                             break;