harmony 鸿蒙progress

2022-12-13
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progress

The <Progress> component is used to provide a progress bar that displays the progress of content loading or an operation.

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

Not supported

Attributes

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

Name	Type	Default Value	Mandatory	Description
type	string	horizontal	No	Type of the progress bar, which cannot be changed dynamically. Available values are as follows: - horizontal: linear progress bar. - circular: loading progress bar. - ring: ring progress bar. - scale-ring: ring progress bar with a scale. - arc: arc progress bar. - eclipse: eclipse progress bar.

Different types of progress bars support different attributes.

When the type is horizontal, ring, or scale-ring, the following attributes are supported. |Name|Type|Default Value|Mandatory|Description| |——–|——–|——–|——–|——–| |percent|number|0|No|Current progress. The value ranges from 0 to 100.| |secondarypercent(Rich)|number|0|No|Secondary progress. The value ranges from 0 to 100.|
When the type is ring or scale-ring, the following attributes are supported. |Name|Type|Default Value|Mandatory|Description| |——–|——–|——–|——–|——–| |clockwise|boolean|true|No|Whether the ring progress bar moves in a clockwise direction.|
When the type is arc, the following attributes are supported. |Name|Type|Default Value|Mandatory|Description| |——–|——–|——–|——–|——–| |percent|number|0|No|Current progress. The value ranges from 0 to 100.|

Styles

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

When the type is horizontal, the following styles are supported.

Name	Type	Default Value	Mandatory	Description
color	<color>	#ff007dff	No	Color of the progress bar.
stroke-width	<length>	4px	No	Stroke width of the progress bar.
background-color	<color>	-	No	Background color of the progress bar.
secondary-color	<color>	-	No	Color of the secondary progress bar.

When the type is circular, the following styles are supported.

Name	Type	Default Value	Mandatory	Description
color	<color>	-	No	Color of the dot on the loading progress bar.

When the type is ring or scale-ring, the following styles are supported.

Name	Type	Default Value	Mandatory	Description
color	<color> \| <linear-gradient>	-	No	Color of the ring progress bar. The ring type supports the linear gradient defined by two colors, for example, color = linear-gradient(#ff0000, #00ff00).
background-color	<color>	-	No	Background color of the ring progress bar.
secondary-color	<color>	-	No	Color of the secondary ring progress bar.
stroke-width	<length>	10px	No	Width of the ring progress bar.
scale-width	<length>	-	No	Scale thickness of the ring progress bar with a scale. This style takes effect only when the type is scale-ring.
scale-number	number	120	No	Number of scales of the ring progress bar with a scale. This style takes effect only when the type is scale-ring.

When the type is arc, the following styles are supported.

Name	Type	Default Value	Mandatory	Description
color	<color>	-	No	Color of the arc progress bar.
background-color	<color>	-	No	Background color of the arc progress bar.
stroke-width	<length>	-	No	Stroke width of the arc progress bar. A larger width value means that the progress bar is closer to the center of the circle. The width is always within the radius range.
start-angle	<deg>	240	No	Start angle of the arc progress bar, which starts from the direction of zero o’clock. The value ranges from 0 to 360 degrees (clockwise).
total-angle	<deg>	240	No	Total length of the arc progress bar. The value ranges from –360 to 360. A negative number indicates anticlockwise.
center-x	<length>	-	No	Center of the arc progress bar (with the upper left corner of this widget as the coordinate origin). This style must be used together with center-y and radius.
center-y	<length>	-	No	Center of the arc progress bar (with the upper left corner of this widget as the coordinate origin). This style must be used together with center-x and radius.
radius	<length>	-	No	Radius of the arc progress bar. This style must be used together with center-x and center-y.

Events

The universal events are supported.

Example

<!--xxx.hml -->
<div class="container">
  <progress class="min-progress" type="scale-ring"  percent= "10" secondarypercent="50"></progress>
  <progress class="min-progress" type="horizontal" percent= "10" secondarypercent="50"></progress>
  <progress class="min-progress" type="arc" percent= "10"></progress>
  <progress class="min-progress" type="ring" percent= "10" secondarypercent="50"></progress>
</div>

/* xxx.css */
.container {
  flex-direction: column;
  height: 100%;
  width: 100%;
  align-items: center;
}
.min-progress {
  width: 300px;
  height: 300px;
}

4 x 4 widget

progress