jumping_bottom_nav_bar

Jumping Bottom Tab Bar. Check out the pub pakage here.

Getting Started

Very easily usable and customizable library. Colors and curves can be customised.

How to use.

Wrap your code with Default Tab Controller to animate when you change tab.

goto pubspec.yaml file add

  jumping_bottom_nav_bar : 0.1.0

import inside your project.

import 'package:jumping_bottom_nav_bar/jumping_nav_bar.dart';

Bottom Navigation include in the scafold.

 bottomNavigationBar: JumpingTabBar(
          onChangeTab: onChangeTab,
          circleGradient: LinearGradient(
            colors: [
              Colors.purpleAccent,
              Colors.deepPurple,
            ],
            begin: Alignment.bottomLeft,
            end: Alignment.topRight,
          ),
          items: iconList,
          selectedIndex: selectedIndex,
        ),
      ),

Changing Icon and Curve colors

   TabItemIcon(
        iconData: Icons.home,
        startColor: Colors.red,
        endColor: Colors.green,
        curveColor: Colors.yellow,
    )

Custom Tab Widget buildWidget color is animationColor.

 TabItemIcon(
      buildWidget: (_, color) => Container(
        color: color.value,
        child: Text("1"),
      ),
      startColor: Colors.red,
      endColor: Colors.green,
      curveColor: Colors.yellow,
    ),

Show Notification Count or Icon

  TabItemIcon(
    buildWidget: (_, color) => Stack(
      children: <Widget>[
        new Icon(
          Icons.notifications,
          size: 30,
        ),
        new Positioned(
          top: 1.0,
          right: 0.0,
          child: new Stack(
            children: <Widget>[
              new Icon(
                Icons.brightness_1,
                size: 18.0,
                color: Colors.green[800],
              ),
              new Positioned(
                top: 1.0,
                right: 4.0,
                child: new Text("2",
                    style: new TextStyle(
                      color: Colors.white,
                      fontSize: 15.0,
                      fontWeight: FontWeight.w500,
                    )),
              )
            ],
          ),
        )
      ],
    ),
  ),

Changing Circle Color

LinearGradient(
      colors: [
        Colors.purpleAccent,
        Colors.deepPurple,
      ],
      begin: Alignment.bottomLeft,
      end: Alignment.topRight,
)   

Full Example.

cclass BottomBarPage extends StatefulWidget {
  @override
  _BottomBarPageState createState() => _BottomBarPageState();
}

class _BottomBarPageState extends State<BottomBarPage> {
  int selectedIndex = 2;

  void onChangeTab(int index) {
    selectedIndex = index;
  }

  @override
  Widget build(BuildContext context) {
    return DefaultTabController(
      length: 5,
      child: Scaffold(
        appBar: AppBar(
          title: Text("Bottom Bar Page"),
        ),
        body: TabBarView(
          children: [
            new Container(
              color: Colors.yellow,
            ),
            new Container(
              color: Colors.orange,
            ),
            new Container(
              color: Colors.lightGreen,
            ),
            new Container(
              color: Colors.red,
            ),
            new Container(
              color: Colors.blueAccent,
            ),
          ],
        ),
        bottomNavigationBar: JumpingTabBar(
          onChangeTab: onChangeTab,
          backgroundColor: Colors.blue,
          circleGradient: LinearGradient(
            colors: [
              Colors.purpleAccent,
              Colors.deepPurple,
            ],
            begin: Alignment.bottomLeft,
            end: Alignment.topRight,
          ),
          items: [
            TabItemIcon(
              buildWidget: (_, color) => Container(
                color: color.value,
                child: Text("1"),
              ),
              startColor: Colors.red,
              endColor: Colors.green,
              curveColor: Colors.yellow,
            ),
            TabItemIcon(iconData: Icons.healing, curveColor: Colors.orange),
            TabItemIcon(iconData: Icons.location_on, curveColor: Colors.green),
            TabItemIcon(
              buildWidget: (_, color) => Stack(
                children: <Widget>[
                  new Icon(
                    Icons.notifications,
                    size: 30,
                  ),
                  new Positioned(
                    top: 1.0,
                    right: 0.0,
                    child: new Stack(
                      children: <Widget>[
                        new Icon(
                          Icons.brightness_1,
                          size: 18.0,
                          color: Colors.green[800],
                        ),
                        new Positioned(
                          top: 1.0,
                          right: 4.0,
                          child: new Text("2",
                              style: new TextStyle(
                                color: Colors.white,
                                fontSize: 15.0,
                                fontWeight: FontWeight.w500,
                              )),
                        )
                      ],
                    ),
                  )
                ],
              ),
            ),
            TabItemIcon(iconData: Icons.supervised_user_circle),
          ],
          selectedIndex: selectedIndex,
        ),
      ),
    );
  }
}