android_xianglian/app/src/main/java/com/zswc/creativity/view/MyScrollView.java

package com.zswc.creativity.view;

import android.content.Context;
import android.util.AttributeSet;
import android.widget.ScrollView;


/**
 * Created by Shi on 2018/1/27.
 */

public class MyScrollView extends ScrollView {


    public MyScrollView(Context context) {
        super(context);
    }

    public MyScrollView(Context context, AttributeSet attrs) {
        super(context, attrs);
    }

    public MyScrollView(Context context, AttributeSet attrs, int defStyle) {
        super(context, attrs, defStyle);
    }

    public interface OnScrollChangedListener {
        public void onScrollChanged(int x, int y, int oldX, int oldY);
    }

    private OnScrollChangedListener onScrollChangedListener;

    public void setOnScrollListener(OnScrollChangedListener onScrollChangedListener) {
        this.onScrollChangedListener = onScrollChangedListener;
    }

    @Override
    protected void onScrollChanged(int x, int y, int oldX, int oldY) {
        super.onScrollChanged(x, y, oldX, oldY);
        if (onScrollChangedListener != null) {
            onScrollChangedListener.onScrollChanged(x, y, oldX, oldY);
        }
    }

}