React Navigation LogoReact Navigation
Version: 4.x

createMaterialBottomTabNavigator

A material-design themed tab bar on the bottom of the screen that lets you switch between different routes. Routes are lazily initialized -- their screen components are not mounted until they are first focused.

To use this navigator, ensure that you have react-navigation and its dependencies installed, then install react-navigation-material-bottom-tabs and react-native-paper.

npm install react-navigation-material-bottom-tabs react-native-paper

This API also requires that you install react-native-vector-icons! If you are using Expo (managed or bare), run expo install @expo/vector-icons instead. Otherwise, follow these installation instructions.

API

import { createMaterialBottomTabNavigator } from 'react-navigation-material-bottom-tabs';


createMaterialBottomTabNavigator(
  RouteConfigs,
  MaterialBottomTabNavigatorConfig
);

This library uses the BottomNavigation component from react-native-paper. If you configure the Babel plugin, it won't include the whole react-native-paper library in your bundle.

RouteConfigs

The route configs object is a mapping from route name to a route config.

MaterialBottomTabNavigatorConfig

  • shifting - Whether the shifting style is used, the active tab appears wider and the inactive tabs won't have a label. By default, this is true when you have more than 3 tabs.
  • labeled - Whether to show labels in tabs. When false, only icons will be displayed.
  • activeColor - Custom color for icon and label in the active tab.
  • inactiveColor - Custom color for icon and label in the inactive tab.
  • barStyle - Style for the bottom navigation bar. You can set a bottom padding here if you have a translucent navigation bar on Android: barStyle={{ paddingBottom: 48 }}.
  • initialRouteName - The routeName for the initial tab route when first loading.
  • order - Array of routeNames which defines the order of the tabs.
  • paths - Provide a mapping of routeName to path config, which overrides the paths set in the routeConfigs.
  • backBehavior - initialRoute to return to initial tab, order to return to previous tab, history to return to last visited tab, or none.

Example:

export default createMaterialBottomTabNavigator(
  {
    Album: { screen: Album },
    Library: { screen: Library },
    History: { screen: History },
    Cart: { screen: Cart },
  },
  {
    initialRouteName: 'Album',
    activeColor: '#f0edf6',
    inactiveColor: '#3e2465',
    barStyle: { backgroundColor: '#694fad' },
  }
);

navigationOptions for screens inside of the navigator

title

Generic title that can be used as a fallback for headerTitle and tabBarLabel.

tabBarIcon

React Element or a function that given { focused: boolean, horizontal: boolean, tintColor: string } returns a React.Node, to display in the tab bar. horizontal is true when the device is in landscape and false when portrait. The icon is re-rendered whenever the device orientation changes.

tabBarColor

Color for the tab bar when the tab corresponding to the screen is active. Used for the ripple effect. This is only supported when shifting is true.

tabBarLabel

Title string of a tab displayed in the tab bar. When undefined, scene title is used. To hide, see labeled option in the previous section.

tabBarBadge

Badge to show on the tab icon, can be true to show a dot, string or number to show text.

tabBarAccessibilityLabel

Accessibility label for the tab button. This is read by the screen reader when the user taps the tab. It's recommended to set this if you don't have a label for the tab.

tabBarTestID

ID to locate this tab button in tests.

tabBarOnPress

Callback to handle press events; the argument is an object containing:

  • navigation: navigation prop for the screen
  • defaultHandler: the default handler for tab press

Useful for adding a custom logic before the transition to the next scene (the tapped one) starts. When setting tabBarOnPress the defaultHandler needs to be called in order to execute the default action (i.e. switch tab).

Using with react-native-paper (optional)

You can use the theming support in react-native-paper to customize the material bottom navigation by wrapping your app in Provider from react-native-paper. A common use case for this can be to customize the background color for the screens when your app has a dark theme. Follow the instructions on react-native-paper's documentation to learn how to customize the theme.

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