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 Aloweiwi
, 1 year ago
Unable to start activity ComponentInfo{de.nocnoc.clean.cleanlight/de.nocnoc.clean.flashlight.MaincourseActivity}: java.lang.NullPointerException: Attempt to invoke virtual method 'void android.widget.Button.setOnClickListener(android.view.View$OnClic
via Stack Overflow by Bartłomiej Gorzelak
, 4 months ago
Unable to start activity ComponentInfo{com.example.fraku.pokeout/com.example.fraku.pokeout.Activity.Login}: java.lang.NullPointerException: Attempt to invoke virtual method 'void android.widget.Button.setOnClickListener(android.view.View$OnClickListe
via Stack Overflow by fahmy
, 1 year ago
Unable to start activity ComponentInfo{com.daybreak.my.app/com.daybreak.my.app.MainActivity}: java.lang.NullPointerException: Attempt to invoke virtual method 'void android.widget.ViewSwitcher.setOnClickListener(android.view.View$OnClickListener)' on
Empty query.