harmony 鸿蒙badge

2022-08-09
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badge

NOTE

This component is supported since API version 5. Updates will be marked with a superscript to indicate their earliest API version.

The <badge> component is used to mark new events that require user attention in your application.

Required Permissions

None

Child Components

This component supports only one child component.

NOTE

If multiple child components are used, only the first one takes effect by default.

Attributes

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

Name	Type	Default Value	Mandatory	Description
placement	string	rightTop	No	Position of a number or dot badge. Available values are as follows: - right: on the right border of the component. - rightTop: in the upper right corner of the component border. - left: on the left border of the component.
count	number	0	No	Number of notifications displayed via the badge. If the value is 0 (default value), the badge is not displayed. If the value is greater than 0, the badge is a number badge. When the count value is greater than the maxcount value, maxcount+ is displayed. The largest integer value supported for count is 2147483647.
visible	boolean	false	No	Whether to display the badge. The value true means that the badge shows up when a new notification is received. To use a number badge, also set the count attribute.
maxcount	number	99	No	Maximum number of notifications. When the number of new notifications exceeds the value of this attribute, maxcount+ is displayed, for example, 99+. The largest integer value supported for maxcount is 2147483647.
config	BadgeConfig	-	No	Configuration of the badge.
label⁶⁺	string	-	No	Text of the new notification displayed via the badge. When this attribute is set, attributes count and maxcount do not take effect.

Table 1 BadgeConfig

Name	Type	Default Value	Mandatory	Description
badgeColor	<color>	#fa2a2d	No	Background color of the badge.
textColor	<color>	#ffffff	No	Text color of the number badge.
textSize	<length>	10px	No	Text size of the number badge.
badgeSize	<length>	6px	No	Default size of the dot badge.

Styles

The universal styles are supported.

NOTE

The total size of child components must be smaller than or equal to that of the <badge> component. Otherwise, the child components cannot be displayed.

Events

The universal events are supported.

Methods

The universal methods are supported.

Example

<!-- xxx.hml -->
<div class="container">
  <badge class="badge" config="{{badgeconfig}}" visible="true" count="100" maxcount="99">
    <text class="text1">example</text>
  </badge>
  <badge class="badge" visible="true" count="0">
    <text class="text2">example</text>
  </badge>
</div>

/* xxx.css */
.container {
  flex-direction: column;
  width: 100%;
  align-items: center;
}
.badge {
  width: 50%;
  margin-top: 100px;
}
.text1 {
  background-color: #f9a01e;
  font-size: 50px;
}
.text2 {
  background-color: #46b1e3;
  font-size: 50px;
}

// xxx.js
export default {
  data:{
    badgeconfig:{
      badgeColor:"#0a59f7",
      textColor:"#ffffff",
    }
  }
}

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