如何提高ListView的性能？ [英] How do I improve the performance of a listview?

问题描述

当我在使用图片来自互联网列表视图，我的列表视图滚动很慢。结果
但是，在某些应用中，如Twitter，谷歌以及其他应用程序（尽管显示图片来自互联网）有一个与滚动没有问题，这是非常快速和流畅。

When I use images from the internet in a Listview, my Listview scrolls very slowly.
But in some applications such as Twitter, Google+ and other applications (despite showing images from the internet) there is no problem with scrolling and it is very fast and smooth.

如何提高性能的列表视图与图像？

How do I improve the performance of a Listview with images?

推荐答案

有一些ThumbRules这可能会帮助您优化列表视图：

There are some ThumbRules which might help you in optimizing listview:

- >使用ConvertView，在重用视图

-> Reuse Views by using ConvertView, in

`getView(AdapterView<?> adapterView, View convertView, int position, long id)`

- >。从网页使用延迟加载加载图像，请参阅

->. Use Lazy Loading for Loading images from web, see

<一个href=\"http://$c$chenge.net/blog/2011/06/android-development-tutorial-asynchronous-lazy-loading-and-caching-of-listview-images/\" rel=\"nofollow\">http://$c$chenge.net/blog/2011/06/android-development-tutorial-asynchronous-lazy-loading-and-caching-of-listview-images/

- >还可以使用ViewHolders来提高通胀time.check链接：

-> Also use ViewHolders to improve inflation time.check link:

http://jmanzano.me/efficient-listviews-in -Android-viewholder图案-2 /

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