title: Unable to proceed with FirebaseFirestore
body: <pre><code>    @Override
      protected void onCreate(Bundle savedInstanceState) {
          super.onCreate(savedInstanceState);
          FirebaseFirestore db = FirebaseFirestore.getInstance();
  }
  </code></pre>
  
  <blockquote>
    <p>Caused by: java.lang.IllegalStateException: Default FirebaseApp is not
    initialized in this process com.example.callsmslogs. Make sure to call
    FirebaseApp.initializeApp(Context) first.</p>
  </blockquote>