我使用的Andr​​oid SDK 2.2，我的测试与仿真应用程序。我想送一个HTTP帖子。当我做我得到一个UnknownHostException异常。我已经把所需的权限 ＆LT;使用-权限的Andr​​oid：名称=android.permission.INTERNET对/ > 在manifest.xml。此外，我可以打开浏览器上的仿真器，然后导航到没有问题的URL。

下面是我的code：

  HttpClient的HttpClient的=新DefaultHttpClient（）;
HttpPost httppost =新HttpPost（URI）;
HTT presponse响应= NULL;
尝试
{
//添加数据
名单＆LT;的NameValuePair＆GT; namevaluepairs中=新的ArrayList＆LT;的NameValuePair＆GT;（
2）;
nameValuePairs.add（新BasicNameValuePair（ID，编辑名））;
namevaluepairs中
。新增（新BasicNameValuePair（StringData是，用户名））;
httppost.setEntity（新UrlEn codedFormEntity（namevaluepairs中））;

//执行HTTP POST请求
响应= httpclient.execute（httppost）;
// Log.i（HttpManager：，==＆GT;回应：
// + response.getEntity（）的getContent（））。

}
赶上（ClientProtocolException E）
{
Log.e（HttpManager，ClientProtocolException抛出+ E）;
}
赶上（IOException异常E）
{
Log.e（HttpManager，抛出的IOException+ E）;
}
 

解决方案

好吧，我觉得pretty的跛脚...... Internet权限标签是明显的标记，而不是应用程序标签的孩子。 Sheesh！

I am using Android SDK 2.2, testing my application with the emulator. I want to send a HTTP Post. When I do I get a UnknownHostException. I have placed the required permissions <uses-permission android:name="android.permission.INTERNET" /> in the manifest.xml. Also I can open the browser on the emulator and navigate to the URL with no problem.

Here is my code:

HttpClient httpclient = new DefaultHttpClient();
HttpPost httppost = new HttpPost( uri );
HttpResponse response = null;
try
{
// Add your data
List<NameValuePair> nameValuePairs = new ArrayList<NameValuePair>(
2 );
nameValuePairs.add( new BasicNameValuePair( "id", "edit-name" ) );
nameValuePairs
.add( new BasicNameValuePair( "stringdata", userName ) );
httppost.setEntity( new UrlEncodedFormEntity( nameValuePairs ) );

// Execute HTTP Post Request
response = httpclient.execute( httppost );
// Log.i( "HttpManager:", "======> response: "
// + response.getEntity().getContent() );

}
catch (ClientProtocolException e)
{
Log.e( "HttpManager", "ClientProtocolException thrown" + e );
}
catch (IOException e)
{
Log.e( "HttpManager", "IOException thrown" + e );
}

Ok, I feel pretty lame... The INTERNET permission tag is a child of the manifest tag, not the application tag. Sheesh!