AsyncTask的主题永远不死（安卓） [英] AsyncTask threads never die (Android)

问题描述

我是新来的Andr​​oid编程和我使用的AsyncTask s到获取数据，以响应用户pressing一个按钮。这种运作良好，并保持在获取数据的界面的响应，但是当我检查出什么在Eclipse调试器是怎么回事，我发现，每次有新的AsyncTask 是创建的（这是经常的，因为它们只能用一次），正在创建新线程，但从来没有终止。其结果是大量的的AsyncTask 线程只是坐在那里。我不知道这是在实践中还是不成问题的，但我真的很想摆脱这些额外的线程。我怎样才能杀死这些​​线程？

I'm new to Android programming and I'm using AsyncTasks to fetch data in response to the user pressing a button. This works well and keeps the interface responsive while fetching the data, but when I checked out what was going on in the Eclipse debugger, I found out that every time a new AsyncTask was created (which is quite often, because they can only be used once), a new thread was being created but never terminated. The result is a large number of AsyncTask threads just sitting there. I'm not sure if this is a problem in practice or not, but I'd really like to get rid of those extra threads. How can I kill these threads?

谢谢！

推荐答案

的AsyncTask 管理​​一个线程池，用的ThreadPoolExecutor 。这将有5至128个线程。如果有超过5个线程，这些额外的线程将坚持围绕至多10秒被删除之前。 （注意：这些数字为presently可见开源$ C ​​$ C，具体费用由Android的版本）。

AsyncTask manages a thread pool, created with ThreadPoolExecutor. It will have from 5 to 128 threads. If there are more than 5 threads, those extra threads will stick around for at most 10 seconds before being removed. (note: these figures are for the presently-visible open source code and vary by Android release).

先不谈的AsyncTask 线程，请。

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