show wifi direct available log in wifip2p activity

src/de/tudarmstadt/informatik/hostage/sync/wifi_direct/UI/WiFiP2pSyncActivity.java

@@ -113,9 +113,7 @@ public class WiFiP2pSyncActivity extends Activity implements AdapterView.OnItemC
                 public void wifiP2pIsEnabled(boolean enabled) {
                     String tmp = enabled? "enabled" : "disabled";
                     Log.d("WiFiP2pSyncActivity", "Peer to peer is " + tmp + ".");
-                    if (!enabled){
-                        Toast.makeText(this.activity, "WiFi Direct P2P is disabled.", Toast.LENGTH_LONG).show();
-                    }
+                    this.activity.setWifiDirectAvailable(enabled);
                 }
 
                 @Override
@@ -244,6 +242,8 @@ public class WiFiP2pSyncActivity extends Activity implements AdapterView.OnItemC
             ((WiFiPeerListAdapter) mLstP2PDevices.getAdapter()).notifyDataSetChanged();
             mDevice = null;
             this.refreshDeviceList(new ArrayList<WifiP2pDevice>());
+            
+            Toast.makeText(this, "WiFi Direct P2P is disabled.", Toast.LENGTH_LONG).show();
         }
     }