Issue 5303 - White screen instead of webpage is shown

libadblockplus-android-webview/src/org/adblockplus/libadblockplus/android/webview/AdblockWebView.java

 /*
  * This file is part of Adblock Plus <https://adblockplus.org/>,
  * Copyright (C) 2006-2017 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 551 matching lines @@
       {
         d("Injecting script");
         runScript(injectJs);
 
         if (allowDraw && loading)
         {
           startPreventDrawing();
         }
       }
 
+      // workaround for the issue: https://issues.adblockplus.org/ticket/5303
+      if (newProgress == 100 && !allowDraw)
+      {
+        w("Workaround for the issue #5303");
+        stopPreventDrawing();
+      }
+
       if (extWebChromeClient != null)
       {
         extWebChromeClient.onProgressChanged(view, newProgress);
       }
     }
   };
 
   public int getAllowDrawDelay()
   {
     return allowDrawDelay;
@@ skipping 847 matching lines @@
         w("Busy with elemhide selectors, delayed disposing scheduled");
         elemHideThread.setFinishedRunnable(disposeRunnable);
       }
       else
       {
         disposeRunnable.run();
       }
     }
   }
 }