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Enhanced Fluid Bottom Navigation Bar

NpmVersion NpmLicense Expo

This project improves the customization of 10clouds' fluid tab bar for React Native.

What's New in 0.2.2/0.2.3:

  • Fixed and issue where Zocial icons were not being rendered properly.
  • Formatting and linting.
  • Optimized dependencies.

Changelog:

  • Added Expo compatibility by removing react-native-view-overflow and the need to link it.
  • Added integrated vector icons via @expo/vector-icons so you don't have to supply your own icons.
  • Tab bar now auto-selects first tab index on mount (this behavior is customizable).
  • Tab bar background color is now fully customizable.
  • Icon highlight color on select is now fully customizable.
  • Icon font size and font family is now fully customizable.
  • Deprecated the ability to provide image sources for icon images.
  • Removed example project in favor of expanded usage documentation.
  • Fixed an issue where the default font family causes an expo-font error in newer versions of Expo.
  • Fixed an issue where font scales poorly for long tab names when font size is not specified.

Sample

Installation

yarn (recommended)

yarn add enhanced-fluid-bottom-navigation-bar

npm

npm i enhanced-fluid-bottom-navigation-bar

Usage

Rendering Component

This component requires just 2 props:

  • onPress: a function that should handle rendering tabs.
  • values: an array of objects that contains the title and icon properties for each tab.
<TabBar
  onPress={tabIndex => { this._handlePress(tabIndex) }}
  values={[
    {
      title: 'News',      // required
      icon: 'news',       // required
      iconSet: 'Entypo',  // required
      size: 32            // required (icon will be size x size)
    }
  ]}
/>

Look up valid icon names and their corresponding icon set at the @expo/vector-icons directory.

Integration with react-navigation

  1. Define a custom component that renders TabBar with the values you want. React's tab navigator will pass navigation and onTabPress props to your component when hooked up; use these to implement the onPress callback to navigate to the appropriate route:
import TabBar from 'enhanced-fluid-bottom-navigation-bar';

class FluidTabBar extends Component {
  render() {
    return (
      <TabBar
        onPress={tabIndex => {
          const route = this.props.navigation.state.routes[tabIndex];
          this.props.onTabPress({route});
        }}
        values={[
          {
            title: 'Tab 1',
            icon: 'star',     
            iconSet: 'MaterialIcons',
            size: 32          
          }, {
            title: 'Tab 2',
            icon: 'check',     
            iconSet: 'AntDesign',
            size: 32          
          }
        ]}
      />
    );
  }
}

In this case, pressing a tab in FluidTabBar navigates to the route that shares the same array index.

  1. Create a tab navigator and supply our custom component to tabBarComponent.
import {createBottomTabNavigator} from 'react-navigation-tabs';

const myTabNavigator = createBottomTabNavigator(
  {  // RouteConfigs
    Tab1: { screen: Tab1Screen },
    Tab2: { screen: Tab2Screen },
  },
  {
    initialRouteName: 'Tab1',
    tabBarComponent: FluidTabBar,
  }
);
  1. Create an app container from your tab navigator and use it as your top-level component.
import {createAppContainer} from 'react-navigation';

const myAppContainer = createAppContainer(myTabNavigator)

Customization

Prop Type Default Description
tintColor String rgb(76, 83, 221) Icon bubble background color and text color.
selectColor String rgb(255, 255, 255) Icon tint or highlight color when selected.
backgroundColor String rgb(255, 255, 255) Tab bar background color.
autoSelect Number 0 Auto-selects the tab at this index on mount.
fontSize Number undefined Font size for tab captions.
fontFamily String undefined Font family for tab captions.

NOTE: fontSize and fontFamily default to React Native's standard font size and font face.

Author

Original Author: Patryk Mierzejewski

Modifications By: Victor Li

License

Available under the MIT license. See the LICENSE file for more info.

Packages

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Languages

  • JavaScript 100.0%