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Tag Archive for androidexceptionnullnullpointerexceptionnullreferenceexception

Attempt to invoke virtual method ‘android.os.CountDownTimer android.os.CountDownTimer.start()’ on a null object reference

E FATAL EXCEPTION: main
Process: com.example.gyaanquiz, PID: 6781
java.lang.RuntimeException: Unable to resume activity {com.example.gyaanquiz/com.example.gyaanquiz.QuizActivity}: java.lang.NullPointerException: Attempt to invoke virtual method ‘android.os.CountDownTimer android.os.CountDownTimer.start()’ on a null object reference
at android.app.ActivityThread.performResumeActivity(ActivityThread.java:3858)