“múltiples recyclerview no desplazando la hoja inferior” Código de respuesta

múltiples recyclerview no desplazando la hoja inferior

// https://stackoverflow.com/a/61890073/11292068

import android.content.Context;
import android.util.AttributeSet;
import android.view.MotionEvent;
import android.widget.LinearLayout;

public class DisallowInterceptView extends LinearLayout {
    public DisallowInterceptView(Context context) {
        super(context);
        requestDisallowInterceptTouchEvent(true);
    }

    public DisallowInterceptView(Context context, AttributeSet attrs) {
        super(context, attrs);
        requestDisallowInterceptTouchEvent(true);
    }

    public DisallowInterceptView(Context context, AttributeSet attrs, int defStyleAttr) {
        super(context, attrs, defStyleAttr);
        requestDisallowInterceptTouchEvent(true);
    }


    public boolean dispatchTouchEvent(MotionEvent ev) {
        getParent().requestDisallowInterceptTouchEvent(true);
        return super.dispatchTouchEvent(ev);
    }

    @Override
    public boolean onTouchEvent(MotionEvent event) {
        switch (event.getAction()) {
            case MotionEvent.ACTION_MOVE:
                requestDisallowInterceptTouchEvent(true);
                break;
            case MotionEvent.ACTION_UP:
            case MotionEvent.ACTION_CANCEL:
                requestDisallowInterceptTouchEvent(false);
                break;
        }
        return super.onTouchEvent(event);
    }
}