BottomNavigationBarItem loose color when there are four
bottomNavigationBar: new BottomNavigationBar(
type: BottomNavigationBarType.fixed,
items: [
new BottomNavigationBarItem(icon: new Icon(Icons.add), title: new Text("Text")),
new BottomNavigationBarItem(icon: new Icon(Icons.person), title: new Text("Contact")),
new BottomNavigationBarItem(icon: new Icon(Icons.accessibility), title: new Text("Acess")),
new BottomNavigationBarItem(icon: new Icon(Icons.account_balance), title: new Text("Balance"))
]),