on a null object reference

lang.NullPointerException: Attempt to invoke virtual method 'void android.widget.TextView.setText(java.lang.CharSequence)' on a null object reference at ...

lang.NullPointerException: Attempt to invoke virtual method 'java.lang.String plp.cs4b.thesis.drawitapp.Player.getName()' on a null object reference at...

java.lang.NullPointerException: Attempt to invoke virtual method 'int android.view.View.getImportantForAccessibility()' on a null object reference 02-19 ...

java.lang.NullPointerException: Attempt to invoke virtual method 'int com.mindsmack.climazo.CurrentWeather.getTemperature()' on a null object reference at...

lang.NullPointerException: Attempt to invoke virtual method 'void android.widget.TextView.setText(java.lang.CharSequence)' on a null object reference at ...

Caused by: java.lang.NullPointerException: Attempt to invoke virtual method 'void android.graphics.Canvas.drawColor(int)' on a null object reference ...

The problem lies in the referencing method being used to make reference towards the current activity. The solution is to make the referencing dynamic.

Checks that the specified object reference is not null and throws a customized NullPointerException if it is. static String toString(Object o) Returns ...

()' on a null object reference at com.gnumbu.errolgreen.importedapplication.ViewMapFragment.onViewCreated(ViewMapFragment.java:122) at android.support.v4....

System.NullReferenceException –“Object reference not set to an instance of an object.” You see people asking about this everywhere; about why are ...