Android仿微信滑动弹出编辑、删除菜单效果、增加下拉刷新功能

如何为不同的list item呈现不同的菜单，本文实例就为大家介绍了Android仿微信或QQ滑动弹出编辑、删除菜单效果、增加下拉刷新等功能的实现，分享给大家供大家参考，具体内容如下

效果图：

1. 下载开源项目，并将其中的liberary导入到自己的项目中：

2. 使用SwipeMenuListView代替ListView，在页面中布局：

<android.support.v4.widget.SwipeRefreshLayout 
 android:id="@+id/swipeRefreshMusic" 
 android:layout_width="match_parent" 
 android:layout_height="wrap_content"> 
 <com.baoyz.swipemenulistview.SwipeMenuListView 
  android:id="@+id/listViewMusic" 
  android:layout_width="match_parent" 
  android:layout_height="match_parent" /> 
</android.support.v4.widget.SwipeRefreshLayout> 

 注： SwipeRefreshLayout主要是为了给该列表增加下拉刷新功能！

3. 为该ListView创建适配器，与正常的实现并无二致：

public class MusicAdapter extends BaseAdapter { 
 private List<Music> mDatas; 
 private Context mContext; 
 public MusicAdapter(List<Music> mDatas, Context mContext) { 
  this.mDatas = mDatas; 
  this.mContext = mContext; 
 } 
 @Override 
 public int getCount() { 
  return mDatas.size(); 
 } 
 @Override 
 public Music getItem(int position) { 
  return mDatas.get(position); 
 } 
 @Override 
 public long getItemId(int position) { 
  return position; 
 } 
 @Override 
 public View getView(int position, View convertView, ViewGroup parent) { 
  if (convertView == null) { 
   convertView = View.inflate(mContext, R.layout.list_item_music, null); 
   new ViewHolder(convertView); 
  } 
  ViewHolder holder = (ViewHolder) convertView.getTag(); 
  Music music = mDatas.get(position); 
  holder.textTitle.setText(music.title); 
  holder.textDesc.setText(music.desc); 
  return convertView; 
 } 
 class ViewHolder { 
  TextView textTitle; 
  TextView textDesc; 
  public ViewHolder(View view) { 
   textTitle = (TextView) view.findViewById(R.id.textTitle); 
   textDesc = (TextView) view.findViewById(R.id.textDesc); 
   view.setTag(this); 
  } 
 } 
} 

4. 为SwipeMenuListView实现Adapter，并在之后，创建滑动菜单：

public class MainActivity extends AppCompatActivity { 
 @ViewInject(R.id.listViewMusic) 
 private SwipeMenuListView listViewMusic; 
 @ViewInject(R.id.swipeRefreshMusic) 
 private SwipeRefreshLayout swipeRefreshMusic; 
 private List<Music> musics; 
 private MusicAdapter musicAdapter; 
 @Override 
 protected void onCreate(Bundle savedInstanceState) { 
  super.onCreate(savedInstanceState); 
  setContentView(R.layout.activity_main); 
  x.view().inject(this); 
  musics = new ArrayList<>(); 
  for (int i = 0; i < 4; i++) { 
   Music music = new Music(); 
   music.title = "上邪 : " + i; 
   music.desc = "我欲与君相知，长命无绝衰"; 
   musics.add(music); 
  } 
  musicAdapter = new MusicAdapter(musics, this); 
  listViewMusic.setAdapter(musicAdapter); 
  SwipeMenuCreator swipeMenuCreator = new SwipeMenuCreator() { 
   @Override 
   public void create(SwipeMenu menu) { 
    // create "edit" item 
    SwipeMenuItem editItem = new SwipeMenuItem( 
      getApplicationContext()); 
    // set item background 
    editItem.setBackground(new ColorDrawable(Color.rgb(0xC9, 0xC9, 
      0xCE))); 
    // set item width 
    editItem.setWidth(dp2px(90)); 
    // set item title 
    editItem.setTitle("编辑"); 
    // set item title fontsize 
    editItem.setTitleSize(18); 
    // set item title font color 
    editItem.setTitleColor(Color.WHITE); 
    // add to menu 
    menu.addMenuItem(editItem); 
    // create "edit" item 
    SwipeMenuItem deleteItem = new SwipeMenuItem( 
      getApplicationContext()); 
    // set item background 
    deleteItem.setBackground(new ColorDrawable(Color.parseColor("#ff0000"))); 
    // set item width 
    deleteItem.setWidth(dp2px(90)); 
    // set item title 
    deleteItem.setTitle("删除"); 
    // set item title fontsize 
    deleteItem.setTitleSize(18); 
    // set item title font color 
    deleteItem.setTitleColor(Color.WHITE); 
    // add to menu 
    menu.addMenuItem(deleteItem); 
   } 
  }; 
  listViewMusic.setMenuCreator(swipeMenuCreator); 
  listViewMusic.setOnMenuItemClickListener(new SwipeMenuListView.OnMenuItemClickListener() { 
   @Override 
   public boolean onMenuItemClick(int position, SwipeMenu menu, int index) { 
    switch (index) {// index即是操作menu添加的顺序 
     case 0: 
      Toast.makeText(MainActivity.this, "编辑 : " + position, Toast.LENGTH_SHORT).show(); 
      break; 
     case 1: 
      Toast.makeText(MainActivity.this, "删除 : " + position, Toast.LENGTH_SHORT).show(); 
      musics.remove(position); 
      musicAdapter.notifyDataSetChanged(); 
      break; 
    } 
    return false; 
   } 
  }); 
  swipeRefreshMusic.setOnRefreshListener(new SwipeRefreshLayout.OnRefreshListener() { 
   @Override 
   public void onRefresh() { 
    swipeRefreshMusic.setRefreshing(true); 
    new Handler().postDelayed(new Runnable() { 
     @Override 
     public void run() { 
      for (int i = 0; i < 4; i++) { 
       Music music = new Music(); 
       music.title = "无缘 : " + i; 
       music.desc = "风雨千山玉独行，天下倾心叹无缘"; 
       musics.add(music); 
      } 
      musicAdapter.notifyDataSetChanged(); 
      swipeRefreshMusic.setRefreshing(false); 
     } 
    }, 2000); 
   } 
  }); 
 } 
 private int dp2px(int dp) { 
  return (int) TypedValue.applyDimension(TypedValue.COMPLEX_UNIT_DIP, dp, 
    getResources().getDisplayMetrics()); 
 } 
} 

注： 
  1. SwipeMenuCreator是为了给该listitem创建菜单使用，需要实现该的接口中的create方法，在该方法中，可以自由创建菜单项，比如删除、编辑，可以设置菜单的背景颜色，字体颜色大小等；
  2. 在创建SwipeMenuCreator实例后，需为列表设置菜单：listViewMusic.setMenuCreator(swipeMenuCreator);
  3. 通过设置SwipeMenuListView的setOnMenuItemClickListener方法，监听菜单的点击事件，通过onMenuItemClick(int position, SwipeMenu menu, int index)方法，对菜单事件进行处理；
  4. 通过设置SwipeMenuListView的setOnRefreshListener方法，为菜单添加下拉刷新功能！

本文已被整理到了《Android微信开发教程汇总》，欢迎大家学习阅读。

如此这般，便可完美的实现的list item滑动编辑删除功能啦，希望大家喜欢。

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