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java.lang.NullPointerException at android.webkit.WebViewClassic.requestFocus(WebViewClassic.java:6938) at android.webkit.WebView.requestFocus(WebView.java:2074) at android.view.ViewGroup.onRequestFocusInDescendants(ViewGroup.java:2373) at android.view.ViewGroup.requestFocus(ViewGroup.java:2329) at android.view.ViewGroup.onRequestFocusInDescendants(ViewGroup.java:2373) at android.view.ViewGroup.requestFocus(ViewGroup.java:2332) at android.view.ViewGroup.onRequestFocusInDescendants(ViewGroup.java:2373) at android.view.ViewGroup.requestFocus(ViewGroup.java:2329) at android.view.ViewGroup.onRequestFocusInDescendants(ViewGroup.java:2373) at android.view.ViewGroup.requestFocus(ViewGroup.java:2329) at android.view.ViewGroup.onRequestFocusInDescendants(ViewGroup.java:2373) at android.view.ViewGroup.requestFocus(ViewGroup.java:2329) at android.view.ViewGroup.onRequestFocusInDescendants(ViewGroup.java:2373) at android.view.ViewGroup.requestFocus(ViewGroup.java:2329) at android.view.ViewGroup.onRequestFocusInDescendants(ViewGroup.java:2373) at android.view.ViewGroup.requestFocus(ViewGroup.java:2332) at android.view.View.requestFocus(View.java:6440) at android.view.View.requestFocus(View.java:6419) at android.view.View.ensureInputFocusOnFirstFocusable(View.java:4373) at android.view.ViewGroup.removeViewInternal(ViewGroup.java:3666) at android.view.ViewGroup.removeViewInternal(ViewGroup.java:3626) at android.view.ViewGroup.removeView(ViewGroup.java:3558) at android.support.v4.app.FragmentManagerImpl.moveToState(FragmentManager.java:1165) at android.support.v4.app.FragmentManagerImpl.moveToState(FragmentManager.java:1252) at android.support.v4.app.FragmentManagerImpl.moveToState(FragmentManager.java:1234) at android.support.v4.app.FragmentManagerImpl.dispatchDestroy(FragmentManager.java:2083) at android.support.v4.app.FragmentController.dispatchDestroy(FragmentController.java:244) at android.support.v4.app.FragmentActivity.onDestroy(FragmentActivity.java:368) at android.support.v7.app.AppCompatActivity.onDestroy(AppCompatActivity.java:203) at XXXX.BaseActivity_new.onDestroy(BaseActivity_new.java:878) at android.app.Activity.performDestroy(Activity.java:5174) at android.app.Instrumentation.callActivityOnDestroy(Instrumentation.java:1109) at android.app.ActivityThread.performDestroyActivity(ActivityThread.java:3303) at android.app.ActivityThread.handleDestroyActivity(ActivityThread.java:3334) at android.app.ActivityThread.access$1200(ActivityThread.java:137) at android.app.ActivityThread$H.handleMessage(ActivityThread.java:1263) at android.os.Handler.dispatchMessage(Handler.java:99) at android.os.Looper.loop(Looper.java:137) at android.app.ActivityThread.main(ActivityThread.java:4838) at java.lang.reflect.Method.invokeNative(Method.java) at java.lang.reflect.Method.invoke(Method.java:511) at com.android.internal.os.ZygoteInit$MethodAndArgsCaller.run(ZygoteInit.java:875) at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:642) at dalvik.system.NativeStart.main(NativeStart.java)