android客户端给服务器发消息,得到服务器传递过来的JSON。问题是每次等不到发过来的JSON数据,我的方法就提前return结果了。不知道有没有谁能给我解答一下,谢谢
public ArrayList<Map<String,String>> getQuestion(String name) {
finalHttp = new FinalHttp();
finalHttp.configTimeout(5000);
//post请求需要携带的参数
AjaxParams params = new AjaxParams();
//将文件放入参数中
params.put("fileName", name);
//请求的URL
String url = MainActivity.URL_PATH + "GetQuesServlet";
//post请求,三个参数分别是请求地址、请求参数、请求的回调接口
finalHttp.post(url, params, new AjaxCallBack<String>() {
@Override
public void onStart() {
super.onStart();
}
@Override
public void onSuccess(String s) {
super.onSuccess(s);
//根据服务器返回的json数据,判断请求是否成功
if (!TextUtils.isEmpty(s)) {
System.out.println("1524444");
try {
Gson gson = new Gson();
list = gson.fromJson(s, new TypeToken<List<Map<String, String>>>() {
}.getType());
} catch (Exception e) {
e.printStackTrace();
}
}
}
@Override
public void onFailure(Throwable t, int errorNo, String strMsg) {
super.onFailure(t, errorNo, strMsg);
Toast.makeText(getApplication(), "上传失败, msg=" + strMsg + " errorNo=" + errorNo, Toast.LENGTH_SHORT).show();
}
});
return list;
}