基本上我试图让用户知道应用程序何时无法访问服务器/服务器，而他们的手机互联网/数据连接非常好。所以我在这里按照这篇文章设置了一个超时：How to set HttpResponse timeout for Android in Java
它工作得很好，除非当异常被正确捕获时，应用程序仍然崩溃而不是显示 Toast 消息并返回到应用程序屏幕。注意"Log.e("CONN TIMEOUT", e.toString());" 在 logcat 中正确记录为：“CONN TIMEOUT org.apache.http.conn.ConnectTimeoutException: Connect to /192.168.11.60:80 timed out”
根据要求，完整的 logcat：http://pastebin.com/rpe8iKRi
// Making HTTP request
try {
HttpParams httpParameters = new BasicHttpParams();
// Set the timeout in milliseconds until a connection is established.
// The default value is zero, that means the timeout is not used.
int timeoutConnection = 3000;
HttpConnectionParams.setConnectionTimeout(httpParameters, timeoutConnection);
// Set the default socket timeout (SO_TIMEOUT)
// in milliseconds which is the timeout for waiting for data.
int timeoutSocket = 5000;
HttpConnectionParams.setSoTimeout(httpParameters, timeoutSocket);
// defaultHttpClient
DefaultHttpClient httpClient = new DefaultHttpClient(httpParameters);
HttpPost httpPost = new HttpPost(url);
httpPost.setEntity(new UrlEncodedFormEntity(params));
HttpResponse httpResponse = httpClient.execute(httpPost);
HttpEntity httpEntity = httpResponse.getEntity();
is = httpEntity.getContent();
} catch (UnsupportedEncodingException e) {
e.printStackTrace();
} catch (ClientProtocolException e) {
e.printStackTrace();
} catch (ConnectTimeoutException e) {
Toast.makeText(getApplicationContext(), "Server timeout", Toast.LENGTH_LONG).show();
Log.e("CONN TIMEOUT", e.toString());
} catch (SocketTimeoutException e) {
Toast.makeText(getApplicationContext(), "Server timeout", Toast.LENGTH_LONG).show();
Log.e("SOCK TIMEOUT", e.toString());
} catch (IOException e) {
e.printStackTrace();
} catch (Exception e) {
Log.e("OTHER EXCEPTIONS", e.toString());
}