ScrollView嵌套recycle滑动卡顿

最新推荐文章于 2024-10-11 18:28:35 发布

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最新推荐文章于 2024-10-11 18:28:35 发布

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本文链接：https://blog.youkuaiyun.com/cao2884388/article/details/85260787

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本文介绍了一种解决Android中嵌套ScrollView与RecyclerView滑动卡顿的问题，通过自定义TopicScrollView组件并调整其TouchEvent处理逻辑，实现更流畅的滑动体验。同时提供了另一种方法，即设置RecyclerView的属性来避免滑动冲突。

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package cn.benben.hoola.untils;

import android.content.Context;
import android.util.AttributeSet;
import android.util.Log;
import android.view.MotionEvent;
import android.view.ViewConfiguration;
import android.widget.ScrollView;

/**
 * Created by caojieting on 2018/10/13.
 *
 * 解决嵌套recycle滑动卡顿
 */

public class TopicScrollView  extends ScrollView {
  private int downX;
  private int downY;
  private int mTouchSlop;
  public TopicScrollView(Context context) {
    super(context);
    mTouchSlop= ViewConfiguration.get(context).getScaledTouchSlop();
  }


  public TopicScrollView(Context context, AttributeSet attrs) {
    super(context, attrs);
    mTouchSlop= ViewConfiguration.get(context).getScaledTouchSlop();
  }


  public TopicScrollView(Context context, AttributeSet attrs, int defStyleAttr) {
    super(context, attrs, defStyleAttr);
    mTouchSlop= ViewConfiguration.get(context).getScaledTouchSlop();
  }

  @Override
  public boolean onTouchEvent(MotionEvent ev) {
    int action = ev.getAction();
    switch (action) {
      case MotionEvent.ACTION_DOWN:
//        Log.e("eee","按下了");
        requestDisallowInterceptTouchEvent(true);
        break;
      case MotionEvent.ACTION_UP:
//        Log.e("eee","抬起了");
        requestDisallowInterceptTouchEvent(false);
        break;
      case MotionEvent.ACTION_CANCEL:
//        Log.e("eee","CANCEL取消了");
        requestDisallowInterceptTouchEvent(false);
        break;

    }
    return super.onTouchEvent(ev);
  }


  @Override
  public boolean onInterceptTouchEvent(MotionEvent e) {
    int action = e.getAction();
    switch (action) {
      case MotionEvent.ACTION_DOWN:
        downX = (int) e.getRawX();
        downY = (int) e.getRawY();
        break;
      case MotionEvent.ACTION_MOVE:
        int moveY = (int) e.getRawY();
        if (Math.abs(moveY - downY) > mTouchSlop) {
          requestDisallowInterceptTouchEvent(true);
          return true;
        }
    }
    return super.onInterceptTouchEvent(e);
  }
}


ps：另外一种方法
参考：https://blog.youkuaiyun.com/qq_40848783/article/details/80068735

ScrollView嵌套recycle滑动卡顿 //解决滑动冲突、滑动不流畅
 recyclerMagicView.setHasFixedSize(true);
recyclerMagicView.setNestedScrollingEnabled(false);