Fix dialog rundown issues causing spurious crashes

src/com/limelight/utils/Dialog.java

@@ -11,7 +11,7 @@ public class Dialog implements Runnable {
 	private Activity activity;
 	private boolean endAfterDismiss;
 	
-	AlertDialog alert;
+	private AlertDialog alert;
 	
 	private static ArrayList<Dialog> rundownDialogs = new ArrayList<Dialog>();
 	
@@ -25,13 +25,15 @@ public class Dialog implements Runnable {
 	
 	public static void closeDialogs()
 	{
-		for (Dialog d : rundownDialogs) {
-			if (d.alert.isShowing()) {
-				d.alert.dismiss();
+		synchronized (rundownDialogs) {
+			for (Dialog d : rundownDialogs) {
+				if (d.alert.isShowing()) {
+					d.alert.dismiss();
+				}
 			}
-		}
 			
-		rundownDialogs.clear();
+			rundownDialogs.clear();
+		}
 	}
 	
 	public static void displayDialog(Activity activity, String title, String message, boolean endAfterDismiss)
@@ -54,16 +56,21 @@ public class Dialog implements Runnable {
  
     	alert.setButton(AlertDialog.BUTTON_NEUTRAL, "OK", new DialogInterface.OnClickListener() {
     	      public void onClick(DialogInterface dialog, int which) {
-    	    	  alert.dismiss();
-    	    	  rundownDialogs.remove(this);
+    	    	  synchronized (rundownDialogs) {
+        	    	  rundownDialogs.remove(this);
+        	    	  alert.dismiss();
+    	    	  }
     	    	  
-    	    	  if (endAfterDismiss)
+    	    	  if (endAfterDismiss) {
     	    		  activity.finish();
+    	    	  }
     	      }
-    	      });
+    	});
     	
-    	rundownDialogs.add(this);
-    	alert.show();
+    	synchronized (rundownDialogs) {
+        	rundownDialogs.add(this);
+        	alert.show();	
+    	}
 	}
 
 }

src/com/limelight/utils/SpinnerDialog.java

@@ -33,13 +33,15 @@ public class SpinnerDialog implements Runnable,OnCancelListener {
 	
 	public static void closeDialogs()
 	{
-		for (SpinnerDialog d : rundownDialogs) {
-			if (d.progress.isShowing()) {
-				d.progress.dismiss();
+		synchronized (rundownDialogs) {
+			for (SpinnerDialog d : rundownDialogs) {
+				if (d.progress.isShowing()) {
+					d.progress.dismiss();
+				}
 			}
-		}
 			
-		rundownDialogs.clear();
+			rundownDialogs.clear();
+		}
 	}
 	
 	public void dismiss()
@@ -85,18 +87,27 @@ public class SpinnerDialog implements Runnable,OnCancelListener {
 	    		progress.setCancelable(false);
 	    	}
 	    	
-	    	progress.show();
+	    	synchronized (rundownDialogs) {
+		    	rundownDialogs.add(this);
+		    	progress.show();
+	    	}
 		}
 		else
 		{
-			if (progress.isShowing()) {
-				progress.dismiss();
+			synchronized (rundownDialogs) {
+				if (rundownDialogs.remove(this) && progress.isShowing()) {
+					progress.dismiss();
+				}
 			}
 		}
 	}
 
 	@Override
 	public void onCancel(DialogInterface dialog) {
+		synchronized (rundownDialogs) {
+			rundownDialogs.remove(this);
+		}
+		
 		// This will only be called if finish was true, so we don't need to check again
 		activity.finish();
 	}