java.lang.NullPointerException

Attempt to invoke virtual method 'void android.widget.NumberPicker.setMinValue(int)' on a null object reference

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Solutions on the web21093

  • via GitHub by sarathraj-coder
    , 3 months ago
    Attempt to invoke virtual method 'void android.widget.NumberPicker.setMinValue(int)' on a null object reference
  • via Stack Overflow by xeotrel2
    , 11 months ago
    Attempt to invoke virtual method 'void android.widget.NumberPicker.setMinValue(int)' on a null object reference
  • Attempt to invoke virtual method 'void android.graphics.drawable.Drawable.setBounds(int, int, int, int)' on a null object reference
  • Stack trace

    • java.lang.NullPointerException: Attempt to invoke virtual method 'void android.widget.NumberPicker.setMinValue(int)' on a null object reference at com.example.rhodon.test1.DurationPickerDialog.onAttachedToWindow(DurationPickerDialog.java:47) at com.android.internal.policy.impl.PhoneWindow$DecorView.onAttachedToWindow(PhoneWindow.java:3192) at android.view.View.dispatchAttachedToWindow(View.java:13525) at android.view.ViewGroup.dispatchAttachedToWindow(ViewGroup.java:2688) at android.view.ViewRootImpl.performTraversals(ViewRootImpl.java:1299) at android.view.ViewRootImpl.doTraversal(ViewRootImpl.java:1061) at android.view.ViewRootImpl$TraversalRunnable.run(ViewRootImpl.java:5885) at android.view.Choreographer$CallbackRecord.run(Choreographer.java:767) at android.view.Choreographer.doCallbacks(Choreographer.java:580) at android.view.Choreographer.doFrame(Choreographer.java:550) at android.view.Choreographer$FrameDisplayEventReceiver.run(Choreographer.java:753) 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)

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