diff -r fec6fa1e460e -r 38acbfdb484f project_files/Android-build/SDL-android-project/src/org/hedgewars/hedgeroid/netplay/NetplayStateFragment.java
--- a/project_files/Android-build/SDL-android-project/src/org/hedgewars/hedgeroid/netplay/NetplayStateFragment.java	Thu Aug 02 16:35:12 2012 +0200
+++ b/project_files/Android-build/SDL-android-project/src/org/hedgewars/hedgeroid/netplay/NetplayStateFragment.java	Thu Aug 02 16:36:11 2012 +0200
@@ -1,7 +1,9 @@
 package org.hedgewars.hedgeroid.netplay;
 
+import org.hedgewars.hedgeroid.R;
 import org.hedgewars.hedgeroid.netplay.Netplay.State;
 
+import android.app.Activity;
 import android.content.BroadcastReceiver;
 import android.content.Context;
 import android.content.Intent;
@@ -13,30 +15,45 @@
 
 /**
  * Fragment for use by an activity that depends on the state of the network
- * connection.
+ * connection. The activity must implement the NetplayStateListener interface.
  * 
  * This fragment manages a few aspects of the netplay connection: Requesting
  * the network system loop to run at high frequency while the activity is in
- * the foreground, and reacting to changes in the networking state by switching
- * to the appropriate activity or finishing the activity if the network connection
- * is closed.
+ * the foreground, and reacting to changes in the networking state by calling
+ * a callback method on the activity.
  */
 public class NetplayStateFragment extends Fragment {
     private Netplay netplay;
     private Context appContext;
     private LocalBroadcastManager broadcastManager;
+    private NetplayStateListener listener;
+    private State knownState;
     
-    private final BroadcastReceiver disconnectReceiver = new BroadcastReceiver() {
-		@Override
-		public void onReceive(Context context, Intent intent) {
-			if(intent.getBooleanExtra(Netplay.EXTRA_HAS_ERROR, true)) {
-				String message = intent.getStringExtra(Netplay.EXTRA_MESSAGE);
-				Toast.makeText(appContext, "Disconnected: "+message, Toast.LENGTH_LONG).show();
-			}
-			getActivity().finish();
+    interface NetplayStateListener {
+    	/**
+    	 * This is called while the activity is running, and every time during resume, if
+    	 * a change in the networking state is detected. It is also called once
+    	 * with the initial state (which could be called a change from the "unknown" state).
+    	 */
+    	void onNetplayStateChanged(State newState);
+    }
+    
+    @Override
+	public void onAttach(Activity activity) {
+		super.onAttach(activity);
+		try {
+			listener = (NetplayStateListener) activity;
+		} catch(ClassCastException e) {
+			throw new ClassCastException("Activity " + activity + " must implement NetplayStateListener to use NetplayStateFragment.");
 		}
-	};
-    
+	}
+	
+	@Override
+	public void onDetach() {
+		super.onDetach();
+		listener = null;
+	}
+	
     @Override
     public void onCreate(Bundle icicle) {
         super.onCreate(icicle);
@@ -49,10 +66,14 @@
     public void onResume() {
     	super.onResume();
     	broadcastManager.registerReceiver(disconnectReceiver, new IntentFilter(Netplay.ACTION_DISCONNECTED));
+    	broadcastManager.registerReceiver(leaveRoomReceiver, new IntentFilter(Netplay.ACTION_LEFT_ROOM));
+    	broadcastManager.registerReceiver(stateChangeReceiver, new IntentFilter(Netplay.ACTION_STATE_CHANGED));
     	netplay.requestFastTicks();
     	
-    	if(netplay.getState() == State.NOT_CONNECTED) {
-    		getActivity().finish();
+    	State newState = netplay.getState();
+		if(knownState != newState) {
+    		listener.onNetplayStateChanged(newState);
+    		knownState = newState;
     	}
     }
     
@@ -60,6 +81,40 @@
     public void onPause() {
     	super.onPause();
     	broadcastManager.unregisterReceiver(disconnectReceiver);
+    	broadcastManager.unregisterReceiver(leaveRoomReceiver);
+    	broadcastManager.unregisterReceiver(stateChangeReceiver);
     	netplay.unrequestFastTicks();
     }
+
+	private final BroadcastReceiver disconnectReceiver = new BroadcastReceiver() {
+		@Override
+		public void onReceive(Context context, Intent intent) {
+			if(intent.getBooleanExtra(Netplay.EXTRA_HAS_ERROR, true)) {
+				String message = intent.getStringExtra(Netplay.EXTRA_MESSAGE);
+				String toastText = getString(R.string.toast_disconnected, message);
+				Toast.makeText(appContext, toastText, Toast.LENGTH_LONG).show();
+			}
+		}
+	};
+	
+	private final BroadcastReceiver leaveRoomReceiver = new BroadcastReceiver() {
+		@Override
+		public void onReceive(Context context, Intent intent) {
+			int reason = intent.getIntExtra(Netplay.EXTRA_REASON, -1);
+			if(reason == JnaFrontlib.NETCONN_ROOMLEAVE_ABANDONED) {
+				Toast.makeText(appContext, R.string.toast_room_abandoned, Toast.LENGTH_LONG).show();
+			} else if(reason == JnaFrontlib.NETCONN_ROOMLEAVE_KICKED) {
+				Toast.makeText(appContext, R.string.toast_kicked, Toast.LENGTH_LONG).show();
+			}
+		}
+	};
+	
+	private final BroadcastReceiver stateChangeReceiver = new BroadcastReceiver() {
+		@Override
+		public void onReceive(Context context, Intent intent) {
+			State newState = netplay.getState();
+			listener.onNetplayStateChanged(newState);
+			knownState = newState;
+		}
+	};
 }