harmony 鸿蒙tab-bar

2022-08-09
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tab-bar

NOTE

This component is supported since API version 4. Updates will be marked with a superscript to indicate their earliest API version.

<tab-bar> is a child component of <tabs> and is used to provide the area to display tab labels. Its child components are horizontally arranged.

Required Permissions

None

Child Components

Supported

Attributes

In addition to the universal attributes, the following attributes are supported.

Name	Type	Default Value	Mandatory	Description
mode	string	scrollable	No	Extensibility of the component width. Available values are as follows: - scrollable: The width of a child component is the configured width. When the total width of all child components (including the margins) is greater than the tab-bar width, the child components can scroll horizontally. - fixed: The width of a child component equals the tab-bar width divided by the number of child components.