java.lang.NullPointerException

Attempt to invoke virtual method 'android.support.v7.app.AlertDialog android.support.v7.app.AlertDialog$Builder.create()' on a null object reference

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Solutions on the web21093

  • Attempt to invoke virtual method 'android.support.v7.app.AlertDialog android.support.v7.app.AlertDialog$Builder.create()' on a null object reference
  • Attempt to invoke virtual method 'void android.support.v7.widget.GapWorker.remove(android.support.v7.widget.RecyclerView)' on a null object reference
  • Stack trace

    • java.lang.NullPointerException: Attempt to invoke virtual method 'android.support.v7.app.AlertDialog android.support.v7.app.AlertDialog$Builder.create()' on a null object reference at com.example.study.Splash.checking(Splash.java:66) at com.example.study.Splash$2.run(Splash.java:51)

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