bruno

• 底部导航
  ~
  int _counter = 0;
  var titles = [“首页”, “聊天”, “发现”, “我的”];
  int _selectedIndex = 0;
  String badgeNo1 = ‘3’;

  /// icon数组
  var icons = [
  Icons.home,
  Icons.chat_bubble,
  Icons.find_in_page,
  Icons.account_circle_outlined,
  ];
  List _getTabBarItems({int count = 1}) {
  return List.generate(

    count,
    (index) => BrnBottomTabBarItem(
          icon: Icon(
            icons[0],
            color: Colors.grey,
          ),
          title: Text(titles[0]),
          activeIcon: Icon(
            icons[0],
            color: Colors.green,
          ),
          selectedTextStyle: TextStyle(color: Colors.green),
          unSelectedTextStyle: TextStyle(color: Colors.green),
        ));

  }

  void _onItemSelected(int index) {
  switch (index) {

  case 0:
    BrnToast.show("首页", context);
    break;
  case 1:
    BrnToast.show("聊天", context);
    break;
  case 2:
    BrnToast.show("发现", context);
    break;
  case 3:
    BrnToast.show("我的", context);
    break;

  }
  setState(() {

  /// 置为当前选中item的索引值
  _selectedIndex = index;
  
  /// 选中后未读消息的数量
  badgeNo1 = '';

  });
  }

BrnBottomTabBar(
fixedColor: Colors.green,
currentIndex: _selectedIndex,
onTap: _onItemSelected,
badgeColor: Colors.red,
type: BrnBottomTabBarDisplayType.fixed,
items: [
BrnBottomTabBarItem(icon: Icon(icons[0]), title: Text(titles[0])),
BrnBottomTabBarItem(icon: Icon(icons[1]), title: Text(titles[1])),
BrnBottomTabBarItem(icon: Icon(icons[2]), title: Text(titles[2])),
BrnBottomTabBarItem(
icon: Icon(icons[3]), title: Text(titles[3]), badgeNo: badgeNo1),
],
),
~