harmony 鸿蒙badge

2022-12-13
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badge

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

NOTE

The APIs of this module are supported since API version 8. Updates will be marked with a superscript to indicate their earliest API version.

Child Components

This component supports only one child component.

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. The default value is 0. If the number of notifications is greater than 0, the badge changes from a dot to the number. If this attribute is not set or the value is less than or equal to 0, the badge is a dot. 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, 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+. Note: The maximum integer value is 2147483647.
config	BadgeConfig	-	No	Configuration of the badge.
label	string	-	No	Text of the new notification displayed via the badge. When this attribute is set, attributes count and maxcount do not take effect.

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	Size of the dot badge.

Styles

The universal styles are supported.

Events

The universal events 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="1">
        <text class="text2">example</text>
      </badge>
    </div>

    /* xxx.css */
    .container {
      flex-direction: column;
      width: 100%;
      align-items: center;
    }

    .badge {
      width: 80px;
      height: 60px;
      margin-top: 30px;
    }

    .text1 {
      background-color: #f9a01e;
      font-size: 19fp;
    }

    .text2 {
      background-color: #46b1e3;
      font-size: 19fp;
    }

    {
      "data":{
        "badgeconfig":{
          "badgeColor":"#0a59f7",
          "textColor":"#ffffff",
          "textSize":"9px",
          "badgeSize": "14px"
        }
      }
    }

badgeSample