Android.support.v4.view.viewpager Cannot Be Cast To Android.support.v4.view.viewpager

this is my xml code: ..

Solution 1:

Do like this...

1) Remove the `android-support-v4.jar` from your project
2) clean the project
3) copy the jar file from `yourdrive:\android-sdks\extras\android\support\v4`
4) add this library to your project