AsyncTask Android null값

Question

위도경도로 날씨를 받아오려고하는데요 Fragment의 onCreatView에서 getWeatherData();private void getWeatherData() { locationManager &#61; (LocationManager) getActivity().getApplicationContext().getSystemService(Context.LOCATION_SERVICE); String locationProvider &#61; LocationManager.NETWORK_PROVIDER; if (ActivityCompat.checkSelfPermission(getActivity().getApplicationContext(), Manifest.permission.ACCESS_FINE_LOCATION) !&#61; PackageManager.PERMISSION_GRANTED && ActivityCompat.checkSelfPermission(getActivity().getApplicationContext(), Manifest.permission.ACCESS_COARSE_LOCATION) !&#61; PackageManager.PERMISSION_GRANTED) { return; } location &#61; locationManager.getLastKnownLocation(locationProvider); Log.e(&#34;test&#34;,&#34;위도경도&#34;&#43;location.getLatitude()&#43;&#34;/&#34;&#43;location.getLongitude()); String url &#61; WEATHER_URL&#43;&#34;lat&#61;&#34;&#43;location.getLatitude()&#43;&#34;&lon&#61;&#34;&#43;location.getLongitude()&#43;&#34;&units&#61;metric&appid&#61;&#34;&#43;API_KEY; ReciveWeatherTask reciveWeatherTask &#61; new ReciveWeatherTask(); reciveWeatherTask.execute(url); }class ReciveWeatherTask extends AsyncTask<String,Void, String>{ &#64;Override protected void onPreExecute() { super.onPreExecute(); } &#64;Override protected String doInBackground(String... strings){ Log.e(&#34;test&#34;,&#34;요청주소&#34;&#43;strings[0]); try { URL url &#61; new URL(strings[0]); HttpURLConnection conn &#61; (HttpURLConnection)url.openConnection(); InputStream in &#61; new BufferedInputStream(conn.getInputStream()); BufferedReader br &#61; new BufferedReader(new InputStreamReader(in,&#34;UTF-8&#34;)); StringBuilder builder &#61; new StringBuilder(); while ((json &#61; br.readLine())!&#61;null){ builder.append(json); } conn.disconnect(); br.close(); in.close(); return builder.toString().trim(); }catch (IOException e){ e.printStackTrace(); } return json; } &#64;Override protected void onPostExecute(String result) { //Log.e(&#34;test&#34;,&#34;json&#34;&#43;jsonObject.toString()); Log.e(&#34;test&#34;,&#34;!!!!!!!!!!!!!!!!!!!!&#34;&#43;result); super.onPostExecute(result); } }JSONObject 받아오려니 에러떠서String 으로 받으려니 null이나오네요 ㅠㅠ

이란이란ㅇㄹ · Answer

android:usesCleartextTraffic&#61;&#34;true&#34;설정해주니 되네요

AsyncTask Android null값

1개의 답변

#asynctask 목록