Android仿微信滑动弹出编辑、删除菜单效果、增加下拉刷新功能

public class MusicAdapter extends BaseAdapter { 
 
 private List mDatas; 
 
 private Context mContext; 
 
 public MusicAdapter(List 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); 
 } 
 } 
} 

public class MainActivity extends AppCompatActivity { 
 
 @ViewInject(R.id.listViewMusic) 
 private SwipeMenuListView listViewMusic; 
 
 @ViewInject(R.id.swipeRefreshMusic) 
 private SwipeRefreshLayout swipeRefreshMusic; 
 
 private List 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()); 
 } 
}