android: Crash fixes

src/org/adblockplus/android/AdblockPlus.java

 /*
  * This file is part of the Adblock Plus,
  * Copyright (C) 2006-2012 Eyeo GmbH
  *
  * Adblock Plus is free software: you can redistribute it and/or modify
  * it under the terms of the GNU General Public License version 3 as
  * published by the Free Software Foundation.
  *
  * Adblock Plus is distributed in the hope that it will be useful,
  * but WITHOUT ANY WARRANTY; without even the implied warranty of
@@ skipping 436 matching lines @@
       }
     });
     interactive = true;
   }
 
   /**
    * Notifies JS code that application quit interactive mode.
    */
   public void stopInteractive()
   {
+    // onStop is sometimes called without prior calling onStart
+    // by Android system
+    if (js == null)

[Felix Dahlke, 2012/11/28 08:12:56]

This is the same safe guard as in issue 8956033 - maybe this is something we
want to handle in a central place?

[Andrey Novikov, 2012/11/28 08:25:01]

If the problem will occur elsewhere I will do.

+      return;
+    
     js.execute(new Runnable()
     {
       @Override
       public void run()
       {
         js.evaluate("stopInteractive()");
       }
     });
     interactive = false;
   }
@@ skipping 566 matching lines @@
       }
       return result;
     }
 
     protected void onProgressUpdate(Integer... progress)
     {
       Log.d("HTTP", "Progress: " + progress[0].intValue());
     }
   }
 }