QQ好友列表向左滑动出现置顶、删除--第三方开源--SwipeMenuListView

SwipeMenuListView是在github上的第三方开源项目，该项目在github上的链接地址是：https://github.com/baoyongzhang/SwipeMenuListView 。

下载后直接将项目包复制粘贴到需要的项目当中：

测试代码：

item.xml：

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

    <ImageView
        android:id="@+id/imageView"
        android:layout_width="60dp"
        android:layout_height="60dp"
        android:src="@drawable/ic_launcher" />

    <TextView
        android:id="@+id/textView"
        android:layout_width="wrap_content"
        android:layout_height="wrap_content"
        android:layout_alignBottom="@+id/imageView"
        android:layout_alignParentRight="true"
        android:layout_alignParentTop="true"
        android:layout_toRightOf="@+id/imageView"
        android:gravity="center"
        android:textSize="20sp" />

</RelativeLayout>

activity_main.xml：

<LinearLayout 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" >

    <com.baoyz.swipemenulistview.SwipeMenuListView
        android:id="@+id/listView"
        android:layout_width="match_parent"
        android:layout_height="match_parent" />

</LinearLayout>

MainActivity.java:

package com.zzw.testswipemenulistview;

import java.util.ArrayList;

import com.baoyz.swipemenulistview.SwipeMenu;
import com.baoyz.swipemenulistview.SwipeMenuCreator;
import com.baoyz.swipemenulistview.SwipeMenuItem;
import com.baoyz.swipemenulistview.SwipeMenuListView;
import com.baoyz.swipemenulistview.SwipeMenuListView.OnMenuItemClickListener;
import com.baoyz.swipemenulistview.SwipeMenuListView.OnSwipeListener;

import android.app.Activity;
import android.content.Context;
import android.graphics.Color;
import android.graphics.drawable.ColorDrawable;
import android.os.AsyncTask;
import android.os.Bundle;
import android.os.Handler;
import android.os.Message;
import android.util.Log;
import android.view.LayoutInflater;
import android.view.View;
import android.view.ViewGroup;
import android.widget.ArrayAdapter;
import android.widget.TextView;
import android.widget.Toast;

public class MainActivity extends Activity {

    private ArrayList<String> datas;
    private ArrayAdapter adapter;
    private SwipeMenuListView listView;
    private Handler handler;

    @Override
    protected void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.activity_main);

        handler = new Handler() {
            @Override
            public void handleMessage(Message msg) {
                if (msg.what == 0) {

                    int position = (Integer) msg.obj;
                    String str = datas.get(position);
                    datas.remove(position);
                    datas.add(0, str);
                    adapter.notifyDataSetChanged();
                    Toast.makeText(getApplicationContext(), "置顶成功", 0).show();

                } else if (msg.what == 1) {

                    Toast.makeText(getApplicationContext(), "打开", 0).show();

                } else if (msg.what == 2) {

                    int position = (Integer) msg.obj;
                    datas.remove(position);
                    adapter.notifyDataSetChanged();
                    Toast.makeText(getApplicationContext(), "成功删除", 0).show();

                }
            }
        };

        // 添加测试数据
        datas = new ArrayList<String>();
        for (int i = 0; i <= 50; i++) {
            datas.add("测试数据-->" + i);
        }

        adapter = new MyAdapter(this, -1);

        SwipeMenuCreator creator = new SwipeMenuCreator() {

            @Override
            public void create(SwipeMenu menu) {
                // 设置置顶的菜单按钮，设置了图标和标题
                SwipeMenuItem top = new SwipeMenuItem(getApplicationContext());
                top.setBackground(new ColorDrawable(Color.LTGRAY));
                top.setWidth(dp2px(90));
                top.setTitle("置顶");
                top.setTitleSize(20);
                top.setIcon(R.drawable.ic_top);
                top.setTitleColor(Color.RED);
                menu.addMenuItem(top);

                // 设置进入的菜单按钮，只设置了标题
                SwipeMenuItem openItem = new SwipeMenuItem(getApplicationContext());
                openItem.setBackground(new ColorDrawable(Color.GREEN));
                openItem.setWidth(dp2px(90));
                openItem.setTitle("打开");
                openItem.setTitleSize(20);
                openItem.setTitleColor(Color.WHITE);
                menu.addMenuItem(openItem);

                // 设置删除的菜单按钮，只设置了图标
                SwipeMenuItem deleteItem = new SwipeMenuItem(getApplicationContext());
                deleteItem.setWidth(dp2px(90));
                deleteItem.setBackground(new ColorDrawable(Color.RED));
                deleteItem.setIcon(R.drawable.ic_delete);
                menu.addMenuItem(deleteItem);
            }
        };

        listView = (SwipeMenuListView) findViewById(R.id.listView);
        listView.setMenuCreator(creator);

        // 设置点击不同菜单时触法的事件
        listView.setOnMenuItemClickListener(new OnMenuItemClickListener() {

            @Override
            public boolean onMenuItemClick(int position, SwipeMenu menu, int index) {
                // index的值就是在SwipeMenu依次添加SwipeMenuItem顺序值，类似数组的下标。
                // 从0开始，依次是：0、1、2、3...
                switch (index) {
                case 0:
                    //使菜单平滑的关闭
                    listView.smoothCloseMenu();

                    Message msg0 = handler.obtainMessage();
                    msg0.what = 0;
                    msg0.obj = position;
                    //过1秒后发送，为了体现出菜单平滑关闭的效果
                    handler.sendMessageDelayed(msg0,1000);
                    String str = datas.get(position);

                    break;
                case 1:
                    
                    Message msg1 = handler.obtainMessage();
                    msg1.what = 1;
                    msg1.obj = position;
                    handler.sendMessage(msg1);

                    break;
                case 2:
                    listView.smoothCloseMenu();
                    
                    Message msg2 = handler.obtainMessage();
                    msg2.what = 2;
                    msg2.obj = position;
                    handler.sendMessageDelayed(msg2, 1000);

                    break;
                }
                // false : 当用户触发其他地方的屏幕时候，自动收起菜单。
                // true : 不改变已经打开菜单的样式，保持原样不收起。
                return false;
            }
        });

        // 监测用户在ListView的SwipeMenu侧滑事件。
        listView.setOnSwipeListener(new OnSwipeListener() {

            @Override
            public void onSwipeStart(int position) {
                Log.d("位置：--" + position, "开始发生侧滑");
            }

            @Override
            public void onSwipeEnd(int position) {
                Log.d("位置：--" + position, "开始发生侧滑");
            }
        });

        listView.setAdapter(adapter);
    }

    private class MyAdapter extends ArrayAdapter {

        LayoutInflater inflater;

        public MyAdapter(Context context, int resource) {
            super(context, resource);
            inflater = LayoutInflater.from(context);
        }

        @Override
        public int getCount() {
            return datas.size();
        }

        @Override
        public View getView(int position, View convertView, ViewGroup parent) {
            if (convertView == null) {
                convertView = inflater.inflate(R.layout.item, null);
            }

            TextView textView = (TextView) convertView.findViewById(R.id.textView);
            textView.setText(datas.get(position));

            return convertView;
        }

    }

    public int dp2px(float dipValue) {
        final float scale = this.getResources().getDisplayMetrics().density;
        return (int) (dipValue * scale + 0.5f);
    }
}