package com.codinginflow.okhttprequestexample; import android.support.v7.app.AppCompatActivity; import android.os.Bundle; import android.widget.TextView; import java.io.IOException; import okhttp3.Call; import okhttp3.Callback; import okhttp3.OkHttpClient; import okhttp3.Request; import okhttp3.Response; public class MainActivity extends AppCompatActivity { private TextView mTextViewResult; @Override protected void onCreate(Bundle savedInstanceState) { super.onCreate(savedInstanceState); setContentView(R.layout.activity_main); mTextViewResult = findViewById(R.id.text_view_result); OkHttpClient client = new OkHttpClient(); String url = "https://reqres.in/api/users?page=2"; Request request = new Request.Builder() .url(url) .build(); client.newCall(request).enqueue(new Callback() { @Override public void onFailure(Call call, IOException e) { e.printStackTrace(); } @Override public void onResponse(Call call, Response response) throws IOException { if (response.isSuccessful()) { final String myResponse = response.body().string(); MainActivity.this.runOnUiThread(new Runnable() { @Override public void run() { mTextViewResult.setText(myResponse); } }); } } }); } }