如何划分和加载多个零件一个ListView？ [英] How to divide and load a ListView in multiple parts?

问题描述

我想知道我怎么能分割的部分我的ListView 键，当用户启动我的应用程序中显示的只是其中的一部分，显示别人当用户preSS一个按钮所谓的装入多个项目。

I am wondering how could i divide my ListView in parts and display only one part of it when user starts my app and display others when user press a Button called "Load More Items".

我有超过500项的大名单，并想将其划分成几部分，因此它可能加载速度不够快。

I have a big list of more than 500 items and thinking to divide it into parts so it could load fast.

我要的功能类似于任何电子邮件应用程序，它提供了一个选项，在底部装载更多的电子邮件。

I want functionality similar to an any email app which gives an option at the bottom to load more emails.

如果任何人有任何样本$ C $下我的问题，那么请分享其他一些指导也将是AP preciated。

If anyone has any sample code for my problem then please share else a little guidance would also be appreciated.

推荐答案

以及实现一个按钮是很容易的：

well implementing a button is easy enough:

在您的onCreate，加载适配器1日50个项目，然后实现与onClickListener，增加了在未来50等按钮

in your onCreate, load your adapter with the 1st 50 items, then implement a button with an onClickListener that adds the next 50 etc.

不过 我觉得你真正想要做的是延迟加载你的列表视图，以便他们滚动，它会加载更多的项目 - 所以你不必弄乱UI与一个额外的按钮

HOWEVER I think what you really want to do is lazy load your listview so as they scroll, it will load more items - that why you don't need to clutter the UI with an extra button.

这个你listactivity应该实施OnScrollListener

for this your listactivity should implement OnScrollListener

下面是一个很好的例子：

here is an example of that: Android Endless List

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