title: how do we execute two function in single button pressed in flutter
body: <pre><code>RaisedButton(
                 color: Colors.blueAccent, 
                 onPressed: () =&gt;sendData(); //fun1
                 signupPage(context) //fun2
                 child: 
                  Text(&quot;Signup&quot;),
               )
  </code></pre>
  <p>this code gives an error..<strong>Expected to find ')'</strong></p>
  <p><a href="https://i.stack.imgur.com/vesGr.png" rel="nofollow noreferrer"><img src="https://i.stack.imgur.com/vesGr.png" alt="enter image description here" /></a></p>