<?xml version="1.0" encoding="utf-8"?>
<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"android:layout_width="match_parent"android:layout_height="wrap_content"android:orientation="vertical"android:background="#ffffff"android:padding="20dp" ><TextViewandroid:layout_width="match_parent"android:layout_height="wrap_content"android:clickable="true"android:gravity="center"android:textColor="@android:color/holo_orange_dark"android:text="确定" /><TextViewandroid:layout_marginTop="20dp"android:layout_width="match_parent"android:layout_height="wrap_content"android:layout_marginBottom="10dp"android:clickable="true"android:gravity="center"android:text="取消" /></LinearLayout>

public class MyPopupWindow extends PopupWindow {

<style name="MyPopupWindow"><item name="android:windowEnterAnimation">@anim/pop_in</item><item name="android:windowExitAnimation">@anim/pop_out</item></style>

<?xml version="1.0" encoding="utf-8"?>
<set xmlns:android="http://schemas.android.com/apk/res/android"><!-- 平移<translateandroid:duration="5000"android:fromXDelta="100%"android:toXDelta="0"/>--><scaleandroid:fromXScale="0"android:fromYScale="0"android:pivotX="50%"android:pivotY="50%"android:toXScale="0.8"android:toYScale="0.5"android:duration="200"/><!--
fromXScale
fromYScale
起始时X，Y座标,pivotX
pivotY动画起始位置，相对于屏幕的百分比,两个都为50%表示动画从屏幕中间开始toXScale
toYScale
动画最终缩放的倍数， 1.0为正常大小，大于1.0放大duration
动画持续时间--><!--透明度--><alphaandroid:duration="200"android:fromAlpha="0.0"android:toAlpha="1.0"/></set>

<?xml version="1.0" encoding="utf-8"?>
<set xmlns:android="http://schemas.android.com/apk/res/android"><!-- <translateandroid:duration="5000"android:fromXDelta="0"android:toXDelta="100%"/>--><scaleandroid:fromXScale="0.8"android:fromYScale="0.5"android:pivotX="50%"android:pivotY="50%"android:toXScale="0"android:toYScale="0"android:duration="200"/><alphaandroid:duration="200"android:fromAlpha="1.0"android:toAlpha="0.0"/></set>

 super(context);this.mContext=context;//打气筒mInflater = (LayoutInflater) context.getSystemService(Context.LAYOUT_INFLATER_SERVICE);//打气
mContentView = mInflater.inflate(R.layout.layout_dialog,null);//设置View
        setContentView(mContentView);//设置宽与高
        setWidth(WindowManager.LayoutParams.MATCH_PARENT);setHeight(WindowManager.LayoutParams.WRAP_CONTENT);/*** 设置进出动画*/setAnimationStyle(R.style.MyPopupWindow);/*** 设置背景只有设置了这个才可以点击外边和BACK消失*/setBackgroundDrawable(new ColorDrawable());/*** 设置可以获取集点*/setFocusable(true);/*** 设置点击外边可以消失*/setOutsideTouchable(true);/***设置可以触摸*/setTouchable(true);/*** 设置点击外部可以消失*/setTouchInterceptor(new View.OnTouchListener() {@Overridepublic boolean onTouch(View v, MotionEvent event) {/*** 判断是不是点击了外部*/if(event.getAction()==MotionEvent.ACTION_OUTSIDE){return true;}//不是点击外部return false;}});

public void displayDialog(View view){MyPopupWindow myPopupWindow = new MyPopupWindow(this);myPopupWindow.showAsDropDown(mBtnDispaly,0,0);lightOff();/*** 消失时屏幕变亮*/myPopupWindow.setOnDismissListener(new PopupWindow.OnDismissListener() {@Overridepublic void onDismiss() {WindowManager.LayoutParams layoutParams = getWindow().getAttributes();layoutParams.alpha=1.0f;getWindow().setAttributes(layoutParams);}});}/*** 显示时屏幕变暗*/private void lightOff() {WindowManager.LayoutParams layoutParams = getWindow().getAttributes();layoutParams.alpha=0.3f;getWindow().setAttributes(layoutParams);}

package liu.basedemo.view;import android.content.Context;
import android.graphics.drawable.ColorDrawable;
import android.view.LayoutInflater;
import android.view.MotionEvent;
import android.view.View;
import android.view.WindowManager;
import android.widget.PopupWindow;import liu.basedemo.R;/*** 学习PopupWindow* Created by 刘楠 on 2016/8/1 0001.17:42*/
public class MyPopupWindow extends PopupWindow {Context mContext;private  LayoutInflater mInflater;private  View mContentView;public MyPopupWindow(Context context) {super(context);this.mContext=context;//打气筒mInflater = (LayoutInflater) context.getSystemService(Context.LAYOUT_INFLATER_SERVICE);//打气
mContentView = mInflater.inflate(R.layout.layout_dialog,null);//设置View
        setContentView(mContentView);//设置宽与高
        setWidth(WindowManager.LayoutParams.MATCH_PARENT);setHeight(WindowManager.LayoutParams.WRAP_CONTENT);/*** 设置进出动画*/setAnimationStyle(R.style.MyPopupWindow);/*** 设置背景只有设置了这个才可以点击外边和BACK消失*/setBackgroundDrawable(new ColorDrawable());/*** 设置可以获取集点*/setFocusable(true);/*** 设置点击外边可以消失*/setOutsideTouchable(true);/***设置可以触摸*/setTouchable(true);/*** 设置点击外部可以消失*/setTouchInterceptor(new View.OnTouchListener() {@Overridepublic boolean onTouch(View v, MotionEvent event) {/*** 判断是不是点击了外部*/if(event.getAction()==MotionEvent.ACTION_OUTSIDE){return true;}//不是点击外部return false;}});/*** 初始化View与监听器*/initView();initListener();}private void initView() {}private void initListener() {}}