从Android应用程序服务器读取文本文件 [英] Read text file from server in Android app

问题描述

可能重复：结果
  <一href=\"http://stackoverflow.com/questions/6343166/android-os-networkonmainthreadexception\">android.os.NetworkOnMainThreadException

我想开在一个TextView服务器的文本文件（几句一行），但我目前的code崩溃的应用程序，当我打开活动。我试过：

I want to open a text file (one line with a few words) from a server in a TextView, but my current code crashes the app when I open the activity. I've tried:

urlTextOut = (TextView) findViewById(R.id.URLtextView); 
StringBuilder text = new StringBuilder();

try {
    String str = "";
    URL url = new URL("http://mysite.com/text1.txt");

    BufferedReader in = new BufferedReader(new InputStreamReader(url.openStream()));

    while ((str = in.readLine()) != null) {
         text.append(str);
    }
    in.close();
} catch (MalformedURLException e1) {
} catch (IOException e) {
}

urlTextOut.setText(text);

我也试了非常类似于这样：如何读取从网页Android的文本文件？（添加了尝试/捕获它想让他们），但也应声应用。我试着看Apache的HttpComponents但无法弄清楚什么我的意思是用下载的zip文件的事情。

I've also tried something very similar to this: How to read text file in android from web? (with added try/catches where it wanted them) but that also crashed the app. I've tried looking at Apache's HttpComponents but couldn't figure out what I was meant to do with the downloaded zip file.

推荐答案

你可能得到一个的 NetworkOnMainThreadException 。 Android将不会允许你（在你的活动，即直接）使主/ UI线程网络调用。你应该使用一个单独的线程，看到这个问题的一个例子。

You're probably getting a NetworkOnMainThreadException. Android will not allow you to make network calls on the main/UI thread (ie directly in your Activity). You should use a separate thread, see this question for an example.

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