Android滑动删除功能，android滑动删除

Android滑动删除功能，android滑动删除

今天学习了新的功能那就是滑动删除数据。先看一下效果

我想这个效果大家都很熟悉吧。是不是在qq上看见过这个效果。俗话说好记性不如赖笔头，为了我的以后，为了跟我一样自学的小伙伴们，我把我的代码粘贴在下面。

activity_lookstaff.xml

<RelativeLayout xmlns:android="http://schemas.android.com/apk/res/android"
    xmlns:tools="http://schemas.android.com/tools"
    android:layout_width="match_parent"
    android:layout_height="match_parent" >
     <TextView
        android:id="@+id/tv_title"
        style="@style/GTextView"
        android:text="全部员工" />
    <com.rjxy.view.DeleteListView
        android:id="@+id/id_listview"
        android:layout_width="fill_parent"
        android:layout_height="wrap_content" 
        android:layout_below="@+id/tv_title">
    </com.rjxy.view.DeleteListView>

</RelativeLayout>

delete_btn.xml

<?xml version="1.0" encoding="utf-8"?>
<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
    android:layout_width="wrap_content"
    android:layout_height="wrap_content"
    android:orientation="vertical" >
      <Button 
        android:id="@+id/id_item_btn"
        android:layout_width="60dp"
        android:singleLine="true"
        android:layout_height="wrap_content"
        android:text="删除"
          android:background="@drawable/d_delete_btn"
          android:textColor="#ffffff"
          android:paddingLeft="15dp"
          android:paddingRight="15dp"
          android:layout_alignParentRight="true"
          android:layout_centerVertical="true"
          android:layout_marginRight="15dp"
        />

</LinearLayout>

d_delete_btn.xml

<?xml version="1.0" encoding="utf-8"?>
<selector xmlns:android="http://schemas.android.com/apk/res/android">

    <item android:drawable="@drawable/btn_style_five_focused" android:state_focused="true"></item>
    <item android:drawable="@drawable/btn_style_five_pressed" android:state_pressed="true"></item>
    <item android:drawable="@drawable/btn_style_five_normal"></item>

</selector>

DeleteListView .java

package com.rjxy.view;

import com.rjxy.activity.R;

import android.content.Context;
import android.util.AttributeSet;
import android.view.Gravity;
import android.view.LayoutInflater;
import android.view.MotionEvent;
import android.view.View;
import android.view.ViewConfiguration;
import android.widget.Button;
import android.widget.LinearLayout;
import android.widget.ListView;
import android.widget.PopupWindow;

public class DeleteListView extends ListView
{

    private static final String TAG = "DeleteListView";

    /**
     * 用户滑动的最小距离
     */
    private int touchSlop;

    /**
     * 是否响应滑动
     */
    private boolean isSliding;

    /**
     * 手指按下时的x坐标
     */
    private int xDown;
    /**
     * 手指按下时的y坐标
     */
    private int yDown;
    /**
     * 手指移动时的x坐标
     */
    private int xMove;
    /**
     * 手指移动时的y坐标
     */
    private int yMove;

    private LayoutInflater mInflater;

    private PopupWindow mPopupWindow;
    private int mPopupWindowHeight;
    private int mPopupWindowWidth;

    private Button mDelBtn;
    /**
     * 为删除按钮提供一个回调接口
     */
    private DelButtonClickListener mListener;

    /**
     * 当前手指触摸的View
     */
    private View mCurrentView;

    /**
     * 当前手指触摸的位置
     */
    private int mCurrentViewPos;

    /**
     * 必要的一些初始化
     * 
     * @param context
     * @param attrs
     */
    public DeleteListView(Context context, AttributeSet attrs)
    {
        super(context, attrs);

        mInflater = LayoutInflater.from(context);
        touchSlop = ViewConfiguration.get(context).getScaledTouchSlop();

        View view = mInflater.inflate(R.layout.delete_btn, null);
        mDelBtn = (Button) view.findViewById(R.id.id_item_btn);
        mPopupWindow = new PopupWindow(view, LinearLayout.LayoutParams.WRAP_CONTENT,
                LinearLayout.LayoutParams.WRAP_CONTENT);
        /**
         * 先调用下measure,否则拿不到宽和高
         */
        mPopupWindow.getContentView().measure(0, 0);
        mPopupWindowHeight = mPopupWindow.getContentView().getMeasuredHeight();
        mPopupWindowWidth = mPopupWindow.getContentView().getMeasuredWidth();
    }

    @Override
    public boolean dispatchTouchEvent(MotionEvent ev)
    {
        int action = ev.ge