Searched on Google with the first line of a JAVA stack trace?

We can recommend more relevant solutions and speed up debugging when you paste your entire stack trace with the exception message. Try a sample exception.

Recommended solutions based on your search

Solutions on the web

via GitHub by himanshug92
, 1 year ago
Observer com.rd.PageIndicatorView$2@e36873a was not registered.
via GitHub by kushmangal
, 3 weeks ago
Observer com.rd.PageIndicatorView$1@e14d923 was not registered.
via GitHub by nadavfima
, 1 year ago
Observer com.rd.PageIndicatorView$2@bcb5f68 was not registered.
via GitHub by Mikhael9
, 2 years ago
Observer com.astuetz.PagerSlidingTabStrip$PagerAdapterObserver@b18ddbf was not registered.
via GitHub by MewX
, 2 years ago
Observer com.astuetz.PagerSlidingTabStrip$PagerAdapterObserver@419b0668 was not registered.
via GitHub by mstevens83
, 1 year ago
Observer com.astuetz.PagerSlidingTabStrip$PagerAdapterObserver@27708c93 was not registered.
java.lang.IllegalStateException: Observer com.rd.PageIndicatorView$2@e36873a was not registered.	at android.database.Observable.unregisterObserver(Observable.java:69)	at android.support.v4.view.PagerAdapter.unregisterDataSetObserver(PagerAdapter.java:305)	at com.rd.PageIndicatorView.unRegisterSetObserver(PageIndicatorView.java:1114)	at com.rd.PageIndicatorView.onDetachedFromWindow(PageIndicatorView.java:117)	at android.view.View.dispatchDetachedFromWindow(View.java:14561)	at android.view.ViewGroup.dispatchDetachedFromWindow(ViewGroup.java:3063)	at android.view.ViewGroup.dispatchDetachedFromWindow(ViewGroup.java:3063)	at android.view.ViewGroup.dispatchDetachedFromWindow(ViewGroup.java:3063)	at android.view.ViewGroup.dispatchDetachedFromWindow(ViewGroup.java:3063)	at android.view.ViewGroup.dispatchDetachedFromWindow(ViewGroup.java:3063)	at android.view.ViewGroup.dispatchDetachedFromWindow(ViewGroup.java:3063)	at android.view.ViewGroup.dispatchDetachedFromWindow(ViewGroup.java:3063)	at android.view.ViewGroup.dispatchDetachedFromWindow(ViewGroup.java:3063)	at android.view.ViewGroup.removeViewInternal(ViewGroup.java:4603)	at android.view.ViewGroup.removeViewInternal(ViewGroup.java:4576)	at android.view.ViewGroup.removeView(ViewGroup.java:4507)	at android.support.v4.app.FragmentManagerImpl.moveToState(FragmentManager.java:1209)	at android.support.v4.app.FragmentManagerImpl.removeFragment(FragmentManager.java:1387)	at android.support.v4.app.BackStackRecord.popFromBackStack(BackStackRecord.java:982)	at android.support.v4.app.FragmentManagerImpl.popBackStackState(FragmentManager.java:1737)	at android.support.v4.app.FragmentManagerImpl.popBackStackImmediate(FragmentManager.java:605)	at android.support.v4.app.FragmentActivity.onBackPressed(FragmentActivity.java:179)	at com.example.activity.MainActivity.onBackPressed(MainActivity.java:486)	at com.example.activity.MainActivity$2.onClick(MainActivity.java:253)	at android.view.View.performClick(View.java:5204)	at android.view.View$PerformClick.run(View.java:21153)	at android.os.Handler.handleCallback(Handler.java:739)	at android.os.Handler.dispatchMessage(Handler.java:95)	at android.os.Looper.loop(Looper.java:148)	at android.app.ActivityThread.main(ActivityThread.java:5417)	at java.lang.reflect.Method.invoke(Native Method)	at com.android.internal.os.ZygoteInit$MethodAndArgsCaller.run(ZygoteInit.java:726)	at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:616)