Android listview缓存的相关内容

[Android]ListView性能优化之视图缓存

一、准备　　　　1.1　　了解关于Google IO大会关于Adapter的优化，参考以下文章：　　　　　　Android开发之ListView 适配器（Adapter）优化　　　　　　Android开发——09Google I/O之让Android UI性能更高效(1) 　　　　　　PDF下...

[Android]ListView性能优化之视图缓存(续)

一、新浪微博　　　　1.1　　截图　　　　　　（来自网络）　　　　1.2　　反编译后相关代码　　　　　　HomeListActivity public View getView(int paramInt, ...

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Android性能：经典ListView适配器convertView缓存及复用机制

Android性能：经典ListView适配器convertView缓存及复用机制 Android中的ListView常用Adapter中都会涉及到convertView的使用，使用convertView主要是为了缓存试图View，用以增加ListView的item view加载效率。有经验的And...

android的listview中的自定义adapter初次打开不显示缓存的网络图片

最近在写用listview 的 adapter ，在 imageview 上显示网络图片，缓存下来的图片保存成 bitmap , 在 adapter 中的 getView 设置了 imageView_image.setImageBitmap(bitmap); 但不知为何每第一次打开列表图片等待很长总...

[Android]ListView性能优化之视图缓存

前言　　ListView是Android中最常用的控件，通过适配器来进行数据适配然后显示出来，而其性能是个很值得研究的话题。本文与你一起探讨Google I/O提供的优化Adapter方案，欢迎大家交流。声明　　欢迎转载，但请保留文章原始出处:) 　　　　博客园：ht...

[Android]ListView性能优化之视图缓存(续)

前言　　在上一篇ListView性能优化之视图缓存我们讨论了Google I/O中的优化方法，在各个论坛发帖后得到了不错的反馈，诸如：使用ViewHolder技术Tag的问题，利用HashMap自行存储的方案等。这里结合新浪微博中主界面的做法及测试数据与大家进一步探讨。声明　　欢...

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...

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