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@material/mwc-top-app-bar-fixed

<mwc-top-app-bar-fixed>

IMPORTANT: The Material Web Components are a work in progress and subject to major changes until 1.0 release.

Fixed Top App Bars are a container for items such as application title, navigation icon, and action items that are always visible.

For a version of this component that scrolls, see <mwc-top-app-bar>

Material Design Guidelines: App Bars: Top

Demo

Installation

npm install @material/mwc-top-app-bar-fixed

NOTE: The Material Web Components are distributed as ES2017 JavaScript Modules, and use the Custom Elements API. They are compatible with all modern browsers including Chrome, Firefox, Safari, Edge, and IE11, but an additional tooling step is required to resolve bare module specifiers, as well as transpilation and polyfills for IE11. See here for detailed instructions.

Example Usage

Standard

<mwc-top-app-bar-fixed>
    <mwc-icon-button icon="menu" slot="navigationIcon"></mwc-icon-button>
    <div slot="title">Title</div>
    <mwc-icon-button icon="file_download" slot="actionItems"></mwc-icon-button>
    <mwc-icon-button icon="print" slot="actionItems"></mwc-icon-button>
    <mwc-icon-button icon="favorite" slot="actionItems"></mwc-icon-button>
    <div><!-- content --></div>
</mwc-top-app-bar-fixed>

Center Title

<mwc-top-app-bar-fixed centerTitle>
    <mwc-icon-button icon="menu" slot="navigationIcon"></mwc-icon-button>
    <div slot="title">Title</div>
    <mwc-icon-button icon="favorite" slot="actionItems"></mwc-icon-button>
    <div><!-- content --></div>
</mwc-top-app-bar-fixed>

Dense

<mwc-top-app-bar-fixed dense>
    <mwc-icon-button icon="menu" slot="navigationIcon"></mwc-icon-button>
    <div slot="title">Title</div>
    <mwc-icon-button icon="file_download" slot="actionItems"></mwc-icon-button>
    <mwc-icon-button icon="print" slot="actionItems"></mwc-icon-button>
    <mwc-icon-button icon="favorite" slot="actionItems"></mwc-icon-button>
    <div><!-- content --></div>
</mwc-top-app-bar-fixed>

Prominent

<mwc-top-app-bar-fixed prominent>
    <mwc-icon-button icon="menu" slot="navigationIcon"></mwc-icon-button>
    <div slot="title">Title</div>
    <mwc-icon-button icon="file_download" slot="actionItems"></mwc-icon-button>
    <mwc-icon-button icon="print" slot="actionItems"></mwc-icon-button>
    <mwc-icon-button icon="favorite" slot="actionItems"></mwc-icon-button>
    <div><!-- content --></div>
</mwc-top-app-bar-fixed>

Prominent and Dense

<mwc-top-app-bar-fixed prominent dense>
    <mwc-icon-button icon="menu" slot="navigationIcon"></mwc-icon-button>
    <div slot="title">Title</div>
    <mwc-icon-button icon="file_download" slot="actionItems"></mwc-icon-button>
    <mwc-icon-button icon="print" slot="actionItems"></mwc-icon-button>
    <mwc-icon-button icon="favorite" slot="actionItems"></mwc-icon-button>
    <div><!-- content --></div>
</mwc-top-app-bar-fixed>

Customize Colors

mwc-top-app-bar-fixed {
  --mdc-theme-primary: orange;
  --mdc-theme-on-primary: black;
}

API

Slots

Name	Description
actionItems	A number of <mwc-icon-button> elements to use for action icons on the right side. NOTE: If using with mwc-drawer, please read note under Standard drawer example.
navigationIcon	One <mwc-icon-button> element to use for the left icon.
title	A <div> or <span> that will be used as the title text.
default	Scrollable content to display under the bar. This may be the entire application.

Properties/Attributes

Name	Type	Default	Description
centerTitle	boolean	false	Centers the title horizontally. Only meant to be used with 0 or 1 actionItems.
dense	boolean	false	Makes the bar a little smaller for higher density applications.
prominent	boolean	false	Makes the bar much taller, can be combined with dense.
scrollTarget	HTMLElement | Window	window	Element used to listen for scroll events.

Methods

None

Events

Name	Detail	Description
MDCTopAppBar:nav	{}	Fired when the navigationIcon is clicked.

CSS Custom Properties

Name	Default	Description
--mdc-top-app-bar-fixed-box-shadow	mdc elevation 4	Sets the box shadow of the fixed top app bar when scrolling.
--mdc-top-app-bar-width	100%	Width of the top-app-bar in relation to the Window.

Elevation values

Elevation Level	CSS Value
4	0px 2px 4px -1px rgba(0, 0, 0, 0.2), 0px 4px 5px 0px rgba(0, 0, 0, 0.14), 0px 1px 10px 0px rgba(0, 0, 0, 0.12)

Global Custom Properties

This component exposes the following global theming custom properties.

Name	Default	Description
--mdc-theme-primary	Background color of the bar.
--mdc-theme-on-primary	Text color of the title, and icon colors.
--mdc-typography-headline6-<PROPERTY>	Styles the typography of the top-app-bar title.

Additional references

• MDC Web: Top App Bar