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 Stack Overflow by Hao
, 2 years ago
Attempt to invoke virtual method 'void android.support.v4.view.ViewPager.setAdapter(android.support.v4.view.PagerAdapter)' on a null object reference
via Stack Overflow by guitarhero23
, 8 months ago
Attempt to invoke virtual method 'void android.widget.Button.setOnClickListener(android.view.View$OnClickListener)' on a null object reference
via Stack Overflow by Sveiny
, 1 year ago
Attempt to invoke virtual method 'void android.widget.Button.setOnClickListener(android.view.View$OnClickListener)' on a null object reference
via Stack Overflow by Bryce Wharton
, 2 years ago
Attempt to invoke virtual method 'android.view.View android.view.Window.findViewById(int)' on a null object reference
Empty query.