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

Stack Overflow | Rifat | 2 months ago
tip
Click on the to mark the solution that helps you, Samebug will learn from it.
As a community member, you’ll be rewarded for you help.
  1. 0

    Why showing - tried to access a null object reference even after initializing references in onCreate?

    Stack Overflow | 2 months ago | Rifat
    java.lang.NullPointerException: Attempt to invoke virtual method 'void android.graphics.Canvas.drawCircle(float, float, float, android.graphics.Paint)' on a null object reference
  2. 0

    How do I refer to any object in MainActivity from other class? and how do I avoid NullPointerException for referencing to any object

    Stack Overflow | 2 months ago | Rifat
    java.lang.NullPointerException: Attempt to invoke virtual method 'android.view.Window$Callback android.view.Window.getCallback()' on a null object reference
  3. 0

    GitHub comment 9#119220583

    GitHub | 2 years ago | cjgehinscott
    java.lang.RuntimeException: Unable to start activity ComponentInfo{com.bah.is.esd.zoneapp/com.bah.is.esd.zoneapp.MainActivity}: java.lang.NullPointerException: Attempt to invoke virtual method 'void android.view.View.setAlpha(float)' on a null object reference
  4. Speed up your debug routine!

    Automated exception search integrated into your IDE

  5. 0

    change text of textView that is included in activity's xml

    Stack Overflow | 1 year ago | David
    java.lang.RuntimeException: Unable to start activity ComponentInfo{food.foodie.com.foodie/food.foodie.com.foodie.MainActivity}: java.lang.NullPointerException: Attempt to invoke virtual method 'void com.facebook.login.widget.LoginButton.registerCallback(com.facebook.CallbackManager, com.facebook.FacebookCallback)' on a null object reference
  6. 0

    יש אפשרות להפוך את זה למשתנה? - FXP

    co.il | 1 year ago
    java.lang.NullPointerException: Attempt to invoke virtual method 'void android.graphics.Canvas.drawBitmap(android.graphics.Bitmap, float, float, android.graphics.Paint)' on a null object reference

    Not finding the right solution?
    Take a tour to get the most out of Samebug.

    Tired of useless tips?

    Automated exception search integrated into your IDE

    Root Cause Analysis

    1. 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()
    2. com.facebook.mahmud
      MainActivity$1.run
      1. com.facebook.mahmud.rifat.mahmud.gametester.MainActivity.draw(MainActivity.java:84)
      2. com.facebook.mahmud.rifat.mahmud.gametester.MainActivity.access$100(MainActivity.java:11)
      3. com.facebook.mahmud.rifat.mahmud.gametester.MainActivity$1.run(MainActivity.java:63)
      3 frames
    3. Java RT
      Thread.run
      1. java.lang.Thread.run(Thread.java:818)
      1 frame