android自定义popupwindow仿微信右上角弹出菜单效果

 <?xml version="1.0" encoding="utf-8"?> 
<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android" 
  android:layout_width="wrap_content" 
  android:layout_height="wrap_content" 
  android:background="@drawable/title_tools_bg" 
  android:orientation="vertical" > 
 
  <LinearLayout 
    android:id="@+id/layout_share" 
    style="@style/fill_width" 
    android:orientation="horizontal"  
    android:background="@drawable/menu_left_item_selector" 
    android:padding="5dp"> 
 
    <ImageView 
      android:layout_marginLeft="7dp" 
      style="@style/wrap" 
      android:scaleType="fitCenter" 
      android:src="@drawable/share" /> 
 
    <TextView 
      style="@style/wrap" 
      android:textColor="@color/white" 
      android:textSize="@dimen/text18" 
      android:layout_marginLeft="5dp" 
      android:text="分享内容" /> 
  </LinearLayout> 
   
  <LinearLayout 
    android:id="@+id/layout_copy" 
    style="@style/fill_width" 
    android:orientation="horizontal"  
    android:background="@drawable/menu_left_item_selector" 
    android:padding="5dp"> 
 
    <ImageView 
      android:layout_marginLeft="5dp" 
      style="@style/wrap" 
      android:scaleType="fitCenter" 
      android:src="@drawable/copy_pressed" /> 
 
    <TextView 
      style="@style/wrap" 
      android:textColor="@color/white" 
      android:textSize="@dimen/text18" 
      android:layout_marginLeft="5dp" 
      android:text="复制结果" /> 
  </LinearLayout> 
 
</LinearLayout> 

 package com.xjw.view; 
 
import com.xjw.translate.R; 
 
import android.app.Activity; 
import android.graphics.drawable.ColorDrawable; 
import android.view.LayoutInflater; 
import android.view.View; 
import android.widget.AdapterView; 
import android.widget.BaseAdapter; 
import android.widget.LinearLayout; 
import android.widget.ListView; 
import android.widget.PopupWindow; 
  /**    
 * 项目名称：translate  
 * 实现功能： 翻译详情界面，分享弹出窗口 
 * 类名称：PopWinShare  
 * 类描述：(该类的主要功能) 
 * 创建人：徐纪伟 
 * E-mail: xujiwei558@126.com 
 * 创建时间：2014年10月18日 下午4:37:25    
 * @version   
 */ 
public class PopWinShare extends PopupWindow{ 
  private View mainView; 
  private LinearLayout layoutShare, layoutCopy; 
 
 public PopWinShare(Activity paramActivity, View.OnClickListener paramOnClickListener, int paramInt1, int paramInt2){ 
     super(paramActivity); 
     //窗口布局 
    mainView = LayoutInflater.from(paramActivity).inflate(R.layout.popwin_share, null); 
    //分享布局 
    layoutShare = ((LinearLayout)mainView.findViewById(R.id.layout_share)); 
    //复制布局 
    layoutCopy = (LinearLayout)mainView.findViewById(R.id.layout_copy); 
    //设置每个子布局的事件监听器 
    if (paramOnClickListener != null){ 
      layoutShare.setOnClickListener(paramOnClickListener); 
      layoutCopy.setOnClickListener(paramOnClickListener); 
    } 
    setContentView(mainView); 
    //设置宽度 
    setWidth(paramInt1); 
    //设置高度 
    setHeight(paramInt2); 
    //设置显示隐藏动画 
    setAnimationStyle(R.style.AnimTools); 
    //设置背景透明 
    setBackgroundDrawable(new ColorDrawable(0)); 
  } 
} 

<?xml version="1.0" encoding="utf-8"?> 
<scale  xmlns:android="http://schemas.android.com/apk/res/android" 
    android:interpolator="@android:anim/accelerate_decelerate_interpolator"  
    android:fromXScale="1.0"   
    android:toXScale="1.0"   
    android:fromYScale="0"   
    android:toYScale="1.0"   
    android:pivotX="0"  
    android:pivotY="10%"  
    android:duration="200" /> 

 <?xml version="1.0" encoding="utf-8"?> 
 
<scale  xmlns:android="http://schemas.android.com/apk/res/android" 
    android:interpolator="@android:anim/accelerate_decelerate_interpolator"  
    android:fromXScale="1.0"   
    android:toXScale="1.0"   
    android:fromYScale="1.0"   
    android:toYScale="0"   
    android:pivotX="0"  
    android:pivotY="10%"  
    android:duration="200" />  

 <style name="AnimTools" parent="@android:style/Animation"> 
   <item name="android:windowEnterAnimation">@anim/push_in</item> 
   <item name="android:windowExitAnimation">@anim/push_out</item> 
 </style> 

 if (popWinShare == null) { 
  //自定义的单击事件 
  OnClickLintener paramOnClickListener = new OnClickLintener(); 
  popWinShare = new PopWinShare(TranslateDataContentActivity.this, paramOnClickListener, DisplayUtil.dip2px(context, 160), DisplayUtil.dip2px(context, 160)); 
  //监听窗口的焦点事件，点击窗口外面则取消显示 
  popWinShare.getContentView().setOnFocusChangeListener(new View.OnFocusChangeListener() { 
     
    @Override 
    public void onFocusChange(View v, boolean hasFocus) { 
      if (!hasFocus) { 
        popWinShare.dismiss(); 
      } 
    } 
  }); 
} 
//设置默认获取焦点 
popWinShare.setFocusable(true); 
//以某个控件的x和y的偏移量位置开始显示窗口 
popWinShare.showAsDropDown(btnTools, 0, 0); 
//如果窗口存在，则更新 
popWinShare.update(); 

class OnClickLintener implements OnClickListener{ 
 
    @Override 
    public void onClick(View v) { 
      switch (v.getId()) { 
      case R.id.layout_share: 
         
        break; 
      case R.id.layout_copy: 
         
        break; 
          
      default: 
        break; 
      } 
       
    } 
     
  }