Howto okHttp3

gistfile1.txt

import okhttp3.MediaType;
import okhttp3.OkHttpClient;
import okhttp3.Request;
import okhttp3.RequestBody;

public static final MediaType JSON
            = MediaType.parse("application/json; charset=utf-8");

OkHttpClient client = new OkHttpClient();

        String postBody = "{ \"name\" : \"Android\", \"address\" : \"127.0.0.5\" }";



        Request request = new Request.Builder()
                .url("http://82.196.0.67:8080/register/robot")
                .addHeader("Content-Type", "application/json")
                .post(RequestBody.create(JSON, postBody))
                .build();

        client.newCall(request).enqueue(new okhttp3.Callback() {

            @Override
            public void onFailure(Request request, IOException e) {
                Timber.i(e.getMessage());
            }

            @Override
            public void onResponse(okhttp3.Response response) throws IOException {
                Timber.i(response.message());
            }
        });