Android缓存图片的相关内容

Android使用LruCache、DiskLruCache实现图片缓存+图片瀑布流

写在前面PS：本文中的例子来源于官网地址：Caching Bitmaps，源码地址(自备梯子)：Caching Bitmaps Demo，并在其基础上稍微改变了一下。PPS：本文仅用于学习利用LruCache、DiskLruCache图片缓存策略、实现瀑布流和Matix查看大图缩放移动等功能，如果想...

[帮助文档] 在Android中通过AUImageDialog实现图片弹窗

AUImageDialog（原 SalesPromotionLimitDialog）提供一个带顶部标题、三级文案、底部确认按钮或者底部左右按钮，且中间包含一个 ImageView 的对话框。该组件可用于限流的消息提示。

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Android--SoftReference缓存图片

Java中的SoftReference即对象的软引用。如果一个对象具有软引用，内存空间足够，垃圾回收器就不会回收它；如果内存空间不足了，就会回收这些对象的内存。只要垃圾回收器没有回收它，该对象就可以被程序使用。软引用可用来实现内存敏感的高速缓存。使用软引用能防止内存泄露，增强程序的健壮性。 &nbs...

Android——使用LruCache缓存图片

为什么要缓存图片：（1）根据具体设备的不同Android系统为每个应用分配了固定内存空间供应用使用；（2）图片是一种很占内存的资源文件，如果界面中加载一张图片还好说，如果要加载大量的图片就会超过系统为应用分配的空间发生OOM异常，使程序奔溃； 2.LruCache: &n...

使用Android新式LruCache缓存图片，基于线程池异步加载图片

import java.io.BufferedInputStream; import java.io.ByteArrayOutputStream; import java.io.InputStream; import java.net.HttpURLConnection; import java.n...

android之listview缓存图片（缓存优化）

网上关于这个方面的文章也不少，基本的思路是线程+缓存来解决。下面提出一些优化： 1、采用线程池 2、内存缓存+文件缓存 3、内存缓存中网上很多是采用SoftReference来防止堆溢出，这儿严格限制只能使用最大JVM内存的1/4 4、对下载的图片进行按比例缩放，以减少内存的消耗具体的代码里面说明...

Android异步下载图片并且缓存图片到本地

http://lishuaishuai.iteye.com/blog/1806667 在Android开发中我们经常有这样的需求，从服务器上下载xml或者JSON类型的数据，其中包括一些图片资源，本demo模拟了这个需求，从网络上加载XML资源，其中包括图片，我们要做的解析XML里面的数据，并且把图...

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