Android自定义PopWindow实现QQ、微信弹出菜单效果

public class MyPopWindow extends PopupWindow implements View.OnClickListener {
 private Context context;
 private View view;
 private LinearLayout scan;
 private LinearLayout add;
 public MyPopWindow(Context context) {
 this(context, ViewGroup.LayoutParams.WRAP_CONTENT, ViewGroup.LayoutParams.WRAP_CONTENT);
 }

 public MyPopWindow(Context context, int width, int height) {
 super(context);
 this.cOntext= context;
 setWidth(width);
 setHeight(height);
 setFocusable(true);
 setOutsideTouchable(true);
 setTouchable(true);
 view = LayoutInflater.from(context).inflate(R.layout.layout_mypopwin,null);
 setContentView(view);
 scan = (LinearLayout) view.findViewById(R.id.scan);
 add = (LinearLayout) view.findViewById(R.id.add);
 }

 @Override
 public void onClick(View view) {
 switch (view.getId()){
  case R.id.scan:

  break;
  case R.id.add:

  break;
 }
 }
}

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public class CustomWin extends PopupWindow {
 private Context context;
 private View view;
 private ListView listView;
 private List list;

 public CustomWin(Context context) {
 this(context, ViewGroup.LayoutParams.WRAP_CONTENT, ViewGroup.LayoutParams.WRAP_CONTENT);
 }

 public CustomWin(Context context, int with, int height) {
 this.cOntext= context;
 setWidth(with);
 setHeight(height);
 //设置可以获得焦点
 setFocusable(true);
 //设置弹窗内可点击
 setTouchable(true);
 //设置弹窗外可点击
 setOutsideTouchable(true);
 setBackgroundDrawable(new BitmapDrawable());
 view = LayoutInflater.from(context).inflate(R.layout.popwin_menu,null);
 setContentView(view);
 setAnimationStyle(R.style.popwin_anim_style);
 initData();
 }

 private void initData() {
 listView = (ListView) view.findViewById(R.id.title_list);
 list = new ArrayList();
 list.add("添加好友");
 list.add("扫一扫");
 list.add("支付宝");
 list.add("视频聊天");
 //设置列表的适配器
 listView.setAdapter(new BaseAdapter() {
 @Override
 public View getView(int position, View convertView, ViewGroup parent) {
 TextView textView = null;

 if (cOnvertView== null) {
  textView = new TextView(context);
  textView.setTextColor(Color.rgb(255,255,255));
  textView.setTextSize(14);
  //设置文本居中
  textView.setGravity(Gravity.CENTER);
  //设置文本域的范围
  textView.setPadding(0, 13, 0, 13);
  //设置文本在一行内显示（不换行）
  textView.setSingleLine(true);
 } else {
  textView = (TextView) convertView;
 }
 //设置文本文字
 textView.setText(list.get(position));
 //设置文字与图标的间隔
 textView.setCompoundDrawablePadding(0);
 //设置在文字的左边放一个图标
 textView.setCompoundDrawablesWithIntrinsicBounds(R.mipmap., null, null, null);

 return textView;
 }

 @Override
 public long getItemId(int position) {
 return position;
 }

 @Override
 public Object getItem(int position) {
 return list.get(position);
 }

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