Compatibility of Android 2.x application on Android 4.x devices

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#1

My cocos2dx game works fine with Android 2.x version but when installed on Android 4.x version it crashes on loading itself.

I have used AsyncTask to load data from the server, code details are present at following link

http://stackoverflow.com/questions/14257005/compatibility-of-android-2-x-application-on-android-4-x-devices

Please help me, regarding this.

Thanks in advance.