Android中请求网络

　　

public class HttpUtil {

public static void sendHttpRequest(final String address,
final HttpCallbackListener listener) {

new Thread(new Runnable() {
@Override
public void run() {

HttpURLConnection connection = null;
try {

URL url = new URL(address);
connection = (HttpURLConnection) url.openConnection();

connection.setRequestMethod("GET");
connection.setConnectTimeout(8000);
connection.setReadTimeout(8000);

InputStream in = connection.getInputStream();
BufferedReader reader = new BufferedReader(new InputStreamReader(in));
StringBuilder response = new StringBuilder();
String line;
while ((line = reader.readLine()) != null) {
response.append(line);
}
if (listener != null) {
// 回调onFinish()方法
listener.onFinish(response.toString());
}
} catch (Exception e) {
if (listener != null) {
// 回调onError()方法
listener.onError(e);
}
} finally {
if (connection != null) {
connection.disconnect();
}
}
}
}).start();