首页 > 移动平台 > 详细

Android Android:persistentDrawingCache

时间:2014-06-20 12:07:57      阅读:383      评论:0      收藏:0      [点我收藏+]

前言
         欢迎大家我分享和推荐好用的代码段~~
声明
         欢迎转载,但请保留文章原始出处:
         CSDN:http://www.csdn.net
         雨季o莫忧离:http://blog.csdn.net/luckkof

正文

 

ViewGroup---属性 

android:persistentDrawingCache (Google官方译文)

Defines the persistence of the drawing cache. The drawing cache might be enabled by a ViewGroup for all its children in specific situations (for instance during a scrolling.) This property lets you persist the cache in memory after its initial usage. Persisting the cache consumes more memory but may prevent frequent garbage collection is the cache is created over and over again. By default the persistence is set to scrolling.

定义绘图的高速缓存的持久性。 绘图缓存可能由一个 ViewGroup 在特定情况下为其所有的子类启用,例如在一个滚动的过程中。 此属性可以在初次使用后保留在其在内存中的缓存。 坚持缓存会消耗更多的内存,但可能会阻止频繁的垃圾回收是反复创建缓存。 默认情况下持续存在设置为滚动。

Must be one or more (separated by ‘|‘) of the following constant values.

Xml文件中可以使用一下的值:

Constant Value Description
none 0x0 The drawing cache is not persisted after use.
animation 0x1 The drawing cache is persisted after a layout animation.
scrolling 0x2 The drawing cache is persisted after a scroll.
all 0x3 The drawing cache is always persisted.

Android Android:persistentDrawingCache,布布扣,bubuko.com

Android Android:persistentDrawingCache

原文:http://blog.csdn.net/fanmengke_im/article/details/28594237

(0)
(0)
   
举报
评论 一句话评论(0
关于我们 - 联系我们 - 留言反馈 - 联系我们:wmxa8@hotmail.com
© 2014 bubuko.com 版权所有
打开技术之扣,分享程序人生!