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setAnimationStyle实现的popwindow显示消失的动画效果

 

摘要 popwindow通过setAnimationStyle(int animationStyle)函数来设置动画效果 android:windowEnterAnimation表示进入窗口动画 android:windowExitAnimation表示窗口退出动画 在res/values/style.xml代码: ?xml version="1.0" encoding="utf-8"? resources style

popwindow通过setAnimationStyle(int animationStyle)函数来设置动画效果
android:windowEnterAnimation表示进入窗口动画
android:windowExitAnimation表示窗口退出动画

在res/values/style.xml代码:

 

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  1. <?xml version="1.0"encoding="utf-8"?>     
  2. <resources>        
  3.      
  4. <style name="PopupAnimation"parent="android:Animation"mce_bogus="1">          
  5.         <item name="android:windowEnterAnimation">@anim/popup_enter</item>     
  6.         <item name="android:windowExitAnimation">@anim/popup_exit</item>     
  7.     </style>     
  8. </resources>  

 

在res/anim/popup_enter.xml声明所需进入动画

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  1. <?xml version="1.0"encoding="utf-8"?>         
  2. <set xmlns:android="http://schemas.android.com/apk/res/android">     
  3.     <scale android:fromXScale="0.6"android:toXScale="1.0"  
  4.         android:fromYScale="0.6"android:toYScale="1.0"android:pivotX="50%"  
  5.         android:pivotY="50%"android:duration="1000"/>     
  6.     <alpha android:interpolator="@android:anim/decelerate_interpolator"  
  7.         android:fromAlpha="0.0"android:toAlpha="1.0"android:duration="1000"/>     
  8. </set>  


在res/anim/popup_exit.xml声明所需退出动画

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  1. <?xml version="1.0"encoding="utf-8"?>     
  2. <set xmlns:android="http://schemas.android.com/apk/res/android">     
  3.     <scale     
  4.         android:fromXScale="1.0"  
  5.         android:toXScale="0.5"  
  6.         android:fromYScale="1.0"  
  7.         android:toYScale="0.5"  
  8.         android:pivotX="50%"  
  9.         android:pivotY="50%"  
  10.         android:duration="500"/>     
  11.     <alpha     
  12.         android:interpolator="@android:anim/accelerate_interpolator"  
  13.         android:fromAlpha="1.0"  
  14.         android:toAlpha="0.0"  
  15.         android:duration="500"/>     
  16. </set>  


设置popwindow的位置及动画

popupWindow.setAnimationStyle(R.style.PopupAnimation);
popupWindow.showAtLocation(findViewById(R.id.parent), Gravity.CENTER| Gravity.CENTER, 0, 0);
popupWindow.update();

调用popupWindow.dismiss();语句。popwindow消失,自动调用消失动画popup_exit.xml

 

http://blog.csdn.net/heng615975867/article/details/8893655