java.lang.NullPointerException

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    • java.lang.NullPointerException: Attempt to invoke virtual method 'void com.intaniryanti.golearnv1t.app.AppController.addToRequestQueue(com.android.volley.Request, java.lang.String)' on a null object at com.intaniryanti.golearnv1t.ProfileActivity.uploadImage(ProfileActivity.java:at com.intaniryanti.golearnv1t.ProfileActivity.access$100(ProfileActivity.java: at com.intaniryanti.golearnv1t.ProfileActivity$2.onClick(ProfileActivity.java: at android.view.View.performClick(View.java: at android.view.View$PerformClick.run(View.java: at android.os.Handler.handleCallback(Handler.java:739) at android.os.Handler.dispatchMessage(Handler.java:95)
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