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Android仿微信滑动弹出编辑、删除菜单效果、增加下拉刷新功能

2019-10-24 20:28:44
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这篇文章主要介绍了Android仿微信滑动弹出编辑、删除菜单效果、增加下拉刷新功能,感兴趣的小伙伴们可以参考一下
 

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:

Android仿微信滑动弹出编辑、删除菜单效果、增加下拉刷新功能

1. 下载开源项目,并将其中的liberary导入到自己的项目中:

Android仿微信滑动弹出编辑、删除菜单效果、增加下拉刷新功能

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!

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。



注:相关教程知识阅读请移步到Android开发频道。
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