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NullPointerExcxeption on gestureDetector.onTouchEvent #63

@MarinaNeuberger

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@MarinaNeuberger

Hi, i have just updated EasyFlipView in my application to new version 3.0.3

By click on ImageVew, that is in the EasyFlipView easyFlipView.addView(deckView) i immediatly have a NullPointerException:

Caused by: java.lang.NullPointerException: Attempt to invoke virtual method 'boolean androidx.core.view.GestureDetectorCompat.onTouchEvent(android.view.MotionEvent)' on a null object reference
2023-10-22 12:06:57.656 20805-20805 AndroidRuntime          com.app.demo             E  	at com.wajahatkarim3.easyflipview.EasyFlipView.dispatchTouchEvent(EasyFlipView.java:462)

I have cleaned up a job after updating to new EasyFlipView version.

my configuration of view:

EasyFlipView easyFlipView = new EasyFlipView(context);
easyFlipView.setToHorizontalType();
easyFlipView.setFlipTypeFromBack();
easyFlipView.setAutoFlipBackTime(5_000);

ImageView image = new ImageView(context);
...
easyFlipView.addView(image);

ImageView deckView = new ImageView(context);
...
easyFlipView.addView(deckView);

easyFlipView.setOnFlipListener(...);

layout.addView(easyFlipView, lp);

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