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flutter button with icon

ElevatedButton.icon(
          onPressed: () {},
          icon: Icon(Icons.email),
          label: Text("Contact me"),
          style: ElevatedButton.styleFrom(
            textStyle: TextStyle(fontSize: 15),
          ),
        ),

flutter iconbutton

IconButton(
            icon: Icon(
              Icons.directions_transit,
            ),
            onPressed: () {},
          ),

flutter button with icon and text

ElevatedButton.icon(
              icon: Icon(Icons.home), 
              label: Text('ElevatedButton'),
              onPressed: () {},
            ),