android http get

private class goDb implements View.OnClickListener {
@Override
public void onClick(View v) {
new AsyncTask<String,Void,Void>(){
@Override
protected Void doInBackground(String... params) {
try {
URL url = new URL(params[0]);
try {
HttpURLConnection connection = (HttpURLConnection) url.openConnection();
InputStream is = connection.getInputStream();
InputStreamReader isr = new InputStreamReader(is, "utf-8");
BufferedReader br = new BufferedReader(isr);
String line;
while ((line = br.readLine()) != null) {
System.out.println(line);
}
br.close();
isr.close();
is.close();
} catch (IOException e) {
e.printStackTrace();
}
} catch (MalformedURLException e) {
e.printStackTrace();
}
return null;
}
}.execute("http://fanyi.youdao.com/openapi.do?keyfrom=testwtw&key=1422432408&type=data&doctype=json&version=1.1&q=good");

}
}