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 ItsJonSnow
, 1 year ago
Attempt to invoke virtual method 'void android.widget.ListView.setAdapter(android.widget.ListAdapter)' on a null object reference
java.lang.NullPointerException: Attempt to invoke virtual method 'void android.widget.ListView.setAdapter(android.widget.ListAdapter)' on a null object reference	at com.parse.starter.Show_user_lists$1.done(Show_user_lists.java:47)	at com.parse.starter.Show_user_lists$1.done(Show_user_lists.java:38)	at com.parse.ParseTaskUtils$2$1.run(ParseTaskUtils.java:116)	at android.os.Handler.handleCallback(Handler.java:739)	at android.os.Handler.dispatchMessage(Handler.java:95)	at android.os.Looper.loop(Looper.java:135)	at android.app.ActivityThread.main(ActivityThread.java:5254)	at java.lang.reflect.Method.invoke(Native Method)	at java.lang.reflect.Method.invoke(Method.java:372)	at com.android.internal.os.ZygoteInit$MethodAndArgsCaller.run(ZygoteInit.java:903)	at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:698)