title: How to add whatsapp image in floating action button in flutter
body: <p>How to add whatsapp image in floating action button in flutter because whatsapp icon is not in flutter icon list. Tell me a simple method.</p>
  <pre><code>Row(
                      children: [
                        FloatingActionButton(
                          child: const Icon(Icons.chat),
                            backgroundColor: Colors.green.shade800,
                          onPressed: () {
                            
                            String url =
                                &quot;https://wa.me/+923045873730/?text=Hello&quot;;
                            launch(url);
                          
                          },
                        ),
                      ],
                    ),
  </code></pre>