java.lang.NullPointerException: Attempt to invoke interface method 'int android.app.FragmentManager$BackStackEntry.getId()' on a null object reference

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 ThatProgrammerAndroid222222222
, 10 months ago
Attempt to invoke interface method 'int android.app.FragmentManager$BackStackEntry.getId()' on a null object reference
java.lang.NullPointerException: Attempt to invoke interface method 'int android.app.FragmentManager$BackStackEntry.getId()' on a null object reference
at co5025.example.com.week10.MainActivity.onClick(MainActivity.java:52)
at android.view.View.performClick(View.java:5610)
at android.view.View$PerformClick.run(View.java:22260)
at android.os.Handler.handleCallback(Handler.java:751)
at android.os.Handler.dispatchMessage(Handler.java:95)
at android.os.Looper.loop(Looper.java:154)
at android.app.ActivityThread.main(ActivityThread.java:6077)
at com.android.internal.os.ZygoteInit$MethodAndArgsCaller.run(ZygoteInit.java:865)

Users with the same issue

You are the first who have seen this exception.

Write tip

Know the solutions? Share your knowledge to help other developers to debug faster.