gistfile1.txt

package appinventor.ai_GavinGT.DeliveryTipTrackerPro_ready_for_market.custom_classes;

import android.content.Context;
import android.util.AttributeSet;
import android.util.Log;
import android.view.GestureDetector;
import android.view.MotionEvent;
import android.widget.LinearLayout;
import androidx.annotation.Nullable;

public class MyLinearLayout extends LinearLayout {

    GestureDetector mDetector;

    public MyLinearLayout(Context context) {
        super(context);
        mDetector = new GestureDetector(context, new MyGestureListener());
    }

    public MyLinearLayout(Context context, @Nullable AttributeSet attrs) {
        super(context, attrs);
        mDetector = new GestureDetector(context, new MyGestureListener());
    }

    public MyLinearLayout(Context context, @Nullable AttributeSet attrs, int defStyleAttr) {
        super(context, attrs, defStyleAttr);

        mDetector = new GestureDetector(context, new MyGestureListener());
    }


    @Override
    public boolean onInterceptTouchEvent(MotionEvent ev) {
        return mDetector.onTouchEvent(ev);
    }
    @Override
    public boolean onTouchEvent(MotionEvent ev) {
        mDetector.onTouchEvent(ev);
        return true;
    }
    
}



// In the SimpleOnGestureListener subclass you should override
// onDown and any other gesture that you want to detect.
class MyGestureListener extends GestureDetector.SimpleOnGestureListener {


    @Override
    public boolean onScroll(MotionEvent e1, MotionEvent e2,
                            float distanceX, float distanceY) {
        Log.i("TAG", "onScroll: ");

        return true;
    }

}