1# CalendarPicker 2 3The **\<CalendarPicker>** component provides a drop-down calendar for users to select a date. 4 5> **NOTE** 6> 7> This component is supported since API version 10. Updates will be marked with a superscript to indicate their earliest API version. 8 9 10## Child Components 11 12Not supported 13 14## APIs 15 16CalendarPicker(options?: CalendarOptions) 17 18## Attributes 19 20In addition to the [universal attributes](ts-universal-attributes-size.md), the following attributes are supported. 21 22| Name | Type | Description | 23| ----------- | ----------- | --------------------------------- | 24| edgeAlign | alignType: [CalendarAlign](#calendaralign), offset?: [Offset](ts-types.md#offset) | How the picker is aligned with the entry component.<br>- **alignType**: alignment type.<br>Default value: **CalendarAlign.END**<br>- **offset**: offset of the picker relative to the entry component after alignment based on the specified alignment type.<br>Default value: **{dx: 0, dy: 0}.**| 25| textStyle | [PickerTextStyle](./ts-basic-components-datepicker.md#pickertextstyle10) | Font color, font size, and font width in the entry area. | 26## Events 27 28In addition to the [universal events](ts-universal-events-click.md), the following events are supported. 29 30| Name | Description | 31| ----------------------------------------- | ---------------------- | 32| onChange(callback: (value: Date) => void) | Triggered when a date is selected.<br>**value**: selected date value| 33 34## CalendarOptions 35 36| Name | Type | Mandatory | Description | 37| ----------- | ---------- | ------| --------------------------------- | 38| hintRadius | number \| [Resource](ts-types.md#resource) | No | Style of the background of the selected state.<br>Default value: The background is a circle.<br>**NOTE**<br>If the value is **0**, the background is a rectangle with square corners. If the value is in the 0–16 range, the background is a rectangle with rounded corners. If the value is equal to or greater than 16, the background is a circle.| 39| selected | Date | No | Date of the selected item.<br>Default value: current system date<br>| 40 41## CalendarAlign 42 43Since API version 9, this API is supported in ArkTS widgets. 44 45| Name | Description | 46| ------ | ------------------------ | 47| START | The picker is left aligned with the entry component. | 48| CENTER | The picker is center aligned with the entry component.| 49| END | The picker is right aligned with the entry component. | 50 51## Example 52 53```ts 54// xxx.ets 55@Entry 56@Component 57struct CalendarPickerExample { 58 private selectedDate: Date = new Date() 59 build() { 60 Column() { 61 Text('Calendar date picker').fontSize(30) 62 Column() { 63 CalendarPicker({ hintRadius: 10, selected: this.selectedDate }) 64 .edgeAlign(CalendarAlign.END) 65 .textStyle({ color: "#ff182431", font: { size: 20, weight: FontWeight.Normal } }) 66 .margin(10) 67 .onChange((value) => { 68 console.info("CalendarPicker onChange:" + JSON.stringify(value)) 69 }) 70 }.alignItems(HorizontalAlign.End).width("100%") 71 }.width('100%').margin({top:350}) 72 } 73} 74``` 75 76 77
