java.lang.NullPointerException: Attempt to invoke virtual method 'void android.graphics.Canvas.drawCircle(float, float, float, android.graphics.Paint)' on a null object reference

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, 10 months ago
Attempt to invoke virtual method 'void android.graphics.Canvas.drawCircle(float, float, float, android.graphics.Paint)' on a null object reference
java.lang.NullPointerException: Attempt to invoke virtual method 'void android.graphics.Canvas.drawCircle(float, float, float, android.graphics.Paint)' on a null object reference
at com.facebook.mahmud.rifat.mahmud.gametester.MainActivity.draw(MainActivity.java:84)
at com.facebook.mahmud.rifat.mahmud.gametester.MainActivity.access$100(MainActivity.java:11)
at com.facebook.mahmud.rifat.mahmud.gametester.MainActivity$1.run(MainActivity.java:63)
at java.lang.Thread.run(Thread.java:818)

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