Attempt to invoke virtual method 'void android.graphics.Canvas.drawColor(int, android.graphics.PorterDuff$Mode)' on a null object reference #33
Description
You can use the app sample to simulate the error.
After the photo editor start, if we click on the "Clear All" button as the first action on the editor the following error happen:
2019-05-14 13:17:52.297 11032-11032/com.ahmedadeltito.photoeditor E/AndroidRuntime: FATAL EXCEPTION: main
Process: com.ahmedadeltito.photoeditor, PID: 11032
java.lang.NullPointerException: Attempt to invoke virtual method 'void android.graphics.Canvas.drawColor(int, android.graphics.PorterDuff$Mode)' on a null object reference
at com.ahmedadeltito.photoeditorsdk.BrushDrawingView.clearAll(BrushDrawingView.java:121)
at com.ahmedadeltito.photoeditorsdk.PhotoEditorSDK.clearAllViews(PhotoEditorSDK.java:184)
at com.ahmedadeltito.photoeditor.PhotoEditorActivity.clearAllViews(PhotoEditorActivity.java:216)
at com.ahmedadeltito.photoeditor.PhotoEditorActivity.onClick(PhotoEditorActivity.java:340)
at android.view.View.performClick(View.java:6597)
at android.view.View.performClickInternal(View.java:6574)
at android.view.View.access$3100(View.java:778)
at android.view.View$PerformClick.run(View.java:25885)
at android.os.Handler.handleCallback(Handler.java:873)
at android.os.Handler.dispatchMessage(Handler.java:99)
at android.os.Looper.loop(Looper.java:193)
at android.app.ActivityThread.main(ActivityThread.java:6669)
at java.lang.reflect.Method.invoke(Native Method)
at com.android.internal.os.RuntimeInit$MethodAndArgsCaller.run(RuntimeInit.java:493)
at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:858)