OkHttp 사용하기 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 OkHttpClient client = new OkHttpClient(); Request request = new Request.Builder() .url(url주소) .build(); okhttp3.Callback callback = new okhttp3.Callback() { @Override public void onFailure(@NotNull okhttp3.Call call, @NotNull IOException e) { //실패시 콜백 } @Override public void onResponse(@NotNull okhttp3.Call call, @NotNull okhttp3.Respon..