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4、Activity代码

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package com.jwzhangjie.scrollview;

import android.content.Context;
import android.util.AttributeSet;
import android.util.Log;
import android.view.MotionEvent;
import android.view.View;
import android.widget.ListView;

public class ScrollListviewDelete extends ListView {

	private float minDis = 10;
	private float mLastMotionX;// 记住上次X触摸屏的位置
	private float mLastMotionY;// 记住上次Y触摸屏的位置
	private boole





an isLock = false;

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

	/**
	 * 如果一个ViewGroup的onInterceptTouchEvent()方法返回true，说明Touch事件被截获，
	 * 子View不再接收到Touch事件，而是转向本ViewGroup的
	 * onTouchEvent()方法处理。从Down开始，之后的Move，Up都会直接在onTouchEvent()方法中处理。
	 * 先前还在处理touch event的child view将会接收到一个 ACTION_CANCEL。
	 * 如果onInterceptTouchEvent()返回false，则事件会交给child view处理。
	 */
	@Override
	public boolean onInterceptTouchEvent(MotionEvent ev) {
		if (!isIntercept(ev)) {
			return false;
		}
		return super.onInterceptTouchEvent(ev);
	}

	@Override
	public boolean dispatchTouchEvent(MotionEvent event) {
		boolean dte = super.dispatchTouchEvent(event);
		if (MotionEvent.ACTION_UP == event.getAction() && !dte) {//onItemClick
			int position = pointToPosition((int)event.getX(), (int)event.getY());
			View view = getChildAt(position);
			super.performItemClick(view, position, view.getId());
		}
		return dte;
	}

	@Override
	// 处理点击事件，如果是手势的事件则不作点击事件 普通View
	public boolean performClick() {
		return super.performClick();
	}

	@Override
	// 处理点击事件，如果是手势的事件则不作点击事件 ListView
	public boolean performItemClick(View view, int position, long id) {
		return super.performItemClick(view, position, id);
	}

	/**
	 * 检测是ListView滑动还是item滑动 isLock 一旦判读是item滑动，则在up之前都是返回false
	 */
	private boolean isIntercept(MotionEvent ev) {
		float x = ev.getX();
		float y = ev.getY();
		int action = ev.getAction();
		switch (action) {
		case MotionEvent.ACTION_DOWN:
			Log.e(test, isIntercept  ACTION_DOWN  +isLock);
			mLastMotionX = x;
			mLastMotionY = y;
			break;
		case MotionEvent.ACTION_M