Function navigation_bar 

pub fn navigation_bar<F>(state: NavigationBarState, scope_config: F)
where
    F: FnOnce(&mut NavigationBarScope<'_>),

navigation_bar

Material navigation bar with active indicator and icon/label pairs.

Usage

Place at the bottom of the app to switch between 3–5 primary destinations.

Parameters

• state — see NavigationBarState to track which destination is active.
• scope_config — closure that registers items via NavigationBarScope.

Examples

use tessera_ui_basic_components::navigation_bar::{
    NavigationBarItemBuilder, NavigationBarState, navigation_bar,
};

let state = NavigationBarState::new(0);
navigation_bar(state.clone(), |scope| {
    scope.item(
        NavigationBarItemBuilder::default()
            .label("Home")
            .build()
            .unwrap(),
    );
    scope.item(
        NavigationBarItemBuilder::default()
            .label("Search")
            .build()
            .unwrap(),
    );
});
assert_eq!(state.selected(), 0);
state.select(1);
assert_eq!(state.selected(), 1);
assert_eq!(state.previous_selected(), 0);