source stringlengths 14 113 | code stringlengths 10 21.3k |
|---|---|
application-dev\ui\arkts-routing.md | import { router } from '@kit.ArkUI';
import { BusinessError } from '@kit.BasicServicesKit';
// Define a click event processing function for the back button.
function onBackClick(): void {
// Invoke the router.showAlertBeforeBackPage() API to set the information about the confirmation dialog box.
try {
router.s... |
application-dev\ui\arkts-routing.md | import { router } from '@kit.ArkUI'; |
application-dev\ui\arkts-routing.md | import { promptAction, router } from '@kit.ArkUI';
import { BusinessError } from '@kit.BasicServicesKit';
function onBackClick() {
// Display a custom confirmation dialog box.
promptAction.showDialog({
message:'Payment not completed yet. Are you sure you want to return?',
buttons: [
{
text: '... |
application-dev\ui\arkts-routing.md | import { router } from '@kit.ArkUI'; |
application-dev\ui\arkts-routing.md | // library/src/main/ets/pages/Index.ets
// library is the custom name of the new shared package.
@Entry({ routeName: 'myPage' })
@Component
export struct MyComponent {
build() {
Row() {
Column() {
Text('Library Page')
.fontSize(50)
.fontWeight(FontWeight.Bold)
}
.widt... |
application-dev\ui\arkts-routing.md | import { BusinessError } from '@kit.BasicServicesKit';
import '@ohos/library/src/main/ets/pages/Index'; // Import the named route page from the library of the shared package.
@Entry
@Component
struct Index {
build() {
Flex({ direction: FlexDirection.Column, alignItems: ItemAlign.Center, justifyContent: FlexAlign... |
application-dev\ui\arkts-routing.md | >"dependencies": {
> "@ohos/library": "file:../library",
> ...
> }
> |
application-dev\ui\arkts-shadow-effect.md | @Entry
@Component
struct ShadowOptionDemo {
build() {
Row() {
Column() {
Column() {
Text('shadowOption').fontSize(12)
}
.width(100)
.aspectRatio(1)
.margin(10)
.justifyContent(FlexAlign.Center)
.backgroundColor(Color.White)
.borderRad... |
application-dev\ui\arkts-shared-element-transition.md | class PostData {
avatar: Resource = $r('app.media.flower');
name: string = '';
message: string = '';
images: Resource[] = [];
}
@Entry
@Component
struct Index {
@State isExpand: boolean = false;
@State @Watch('onItemClicked') selectedIndex: number = -1;
private allPostData: PostData[] = [
{ avatar: ... |
application-dev\ui\arkts-shared-element-transition.md | // Index.ets
import { createPostNode, getPostNode, PostNode } from "../PostNode"
import { componentUtils, curves } from '@kit.ArkUI';
@Entry
@Component
struct Index {
// Create an animation class.
@State AnimationProperties: AnimationProperties = new AnimationProperties();
private listArray: Array<number> = [1, ... |
application-dev\ui\arkts-shared-element-transition.md | // PostNode.ets
// Cross-container migration
import { UIContext } from '@ohos.arkui.UIContext';
import { NodeController, BuilderNode, FrameNode } from '@ohos.arkui.node';
import { curves } from '@kit.ArkUI';
class Data {
item: string | null = null
isExpand: Boolean | false = false
}
@Builder
function PostBuilder(... |
application-dev\ui\arkts-shared-element-transition.md | // Index.ets
import { AnimateCallback, CustomTransition } from '../CustomTransition/CustomNavigationUtils';
const TAG: string = 'Index';
@Entry
@Component
struct Index {
private pageInfos: NavPathStack = new NavPathStack();
// Allow custom transition for specific pages by name.
private allowedCustomTransitionFr... |
application-dev\ui\arkts-shared-element-transition.md | // PageOne.ets
import { CustomTransition } from '../CustomTransition/CustomNavigationUtils';
import { MyNodeController, createMyNode, getMyNode } from '../NodeContainer/CustomComponent';
import { ComponentAttrUtils, RectInfoInPx } from '../utils/ComponentAttrUtils';
import { WindowUtils } from '../utils/WindowUtils';
... |
application-dev\ui\arkts-shared-element-transition.md | // PageTwo.ets
import { CustomTransition } from '../CustomTransition/CustomNavigationUtils';
import { AnimationProperties } from '../CustomTransition/AnimationProperties';
import { RectInfoInPx } from '../utils/ComponentAttrUtils';
import { getMyNode, MyNodeController } from '../NodeContainer/CustomComponent';
@Builde... |
application-dev\ui\arkts-shared-element-transition.md | // CustomNavigationUtils.ets
// Configure custom transition animations for Navigation.
export interface AnimateCallback {
animation: ((isPush: boolean, isExit: boolean, transitionProxy: NavigationTransitionProxy) => void | undefined)
| undefined;
timeout: (number | undefined) | undefined;
}
const customTransit... |
application-dev\ui\arkts-shared-element-transition.md | // Add the {"routerMap": "$profile:route_map"} configuration to the project configuration file module.json5.
// route_map.json
{
"routerMap": [
{
"name": "PageOne",
"pageSourceFile": "src/main/ets/pages/PageOne.ets",
"buildFunction": "PageOneBuilder"
},
{
"name": "PageTwo",
"... |
application-dev\ui\arkts-shared-element-transition.md | // AnimationProperties.ets
// Encapsulation of shared element transition animation
import { curves } from '@kit.ArkUI';
import { RectInfoInPx } from '../utils/ComponentAttrUtils';
import { WindowUtils } from '../utils/WindowUtils';
import { MyNodeController } from '../NodeContainer/CustomComponent';
const TAG: string ... |
application-dev\ui\arkts-shared-element-transition.md | // ComponentAttrUtils.ets
// Obtain the position of the component relative to the window.
import { componentUtils, UIContext } from '@kit.ArkUI';
import { JSON } from '@kit.ArkTS';
export class ComponentAttrUtils {
// Obtain the position information of the component based on its ID.
public static getRectInfoById(c... |
application-dev\ui\arkts-shared-element-transition.md | // WindowUtils.ets
// Window information
import { window } from '@kit.ArkUI';
export class WindowUtils {
public static window: window.Window;
public static windowWidth_px: number;
public static windowHeight_px: number;
public static topAvoidAreaHeight_px: number;
public static navigationIndicatorHeight_px: n... |
application-dev\ui\arkts-shared-element-transition.md | // EntryAbility.ets
// Add capture of window width and height in onWindowStageCreate at the application entry.
import { AbilityConstant, UIAbility, Want } from '@kit.AbilityKit';
import { hilog } from '@kit.PerformanceAnalysisKit';
import { display, window } from '@kit.ArkUI';
import { WindowUtils } from '../utils/Win... |
application-dev\ui\arkts-shared-element-transition.md | // CustomComponent.ets
// Custom placeholder node with cross-container migration capability
import { BuilderNode, FrameNode, NodeController } from '@kit.ArkUI';
@Builder
function CardBuilder() {
Image($r("app.media.card"))
.width('100%')
.id('card')
}
export class MyNodeController extends NodeController {
... |
application-dev\ui\arkts-shared-element-transition.md | // index.ets
import { MyNodeController, createMyNode, getMyNode } from '../NodeContainer/CustomComponent';
import { ComponentAttrUtils, RectInfoInPx } from '../utils/ComponentAttrUtils';
import { WindowUtils } from '../utils/WindowUtils';
import { inspector } from '@kit.ArkUI'
class AnimationInfo {
scale: number = 0... |
application-dev\ui\arkts-shared-element-transition.md | // CustomComponent.ets
// Custom placeholder node with cross-container migration capability
import { BuilderNode, FrameNode, NodeController } from '@kit.ArkUI';
@Builder
function CardBuilder() {
Image($r("app.media.flower"))
// Prevent flickering of the image during the first load.
.syncLoad(true)
}
export ... |
application-dev\ui\arkts-shared-element-transition.md | // ComponentAttrUtils.ets
// Obtain the position of the component relative to the window.
import { componentUtils, UIContext } from '@kit.ArkUI';
import { JSON } from '@kit.ArkTS';
export class ComponentAttrUtils {
// Obtain the position information of the component based on its ID.
public static getRectInfoById(c... |
application-dev\ui\arkts-shared-element-transition.md | // WindowUtils.ets
// Window information
import { window } from '@kit.ArkUI';
export class WindowUtils {
public static window: window.Window;
public static windowWidth_px: number;
public static windowHeight_px: number;
public static topAvoidAreaHeight_px: number;
public static navigationIndicatorHeight_px: n... |
application-dev\ui\arkts-shared-element-transition.md | // EntryAbility.ets
// Add capture of window width and height in onWindowStageCreate at the application entry.
import { AbilityConstant, UIAbility, Want } from '@kit.AbilityKit';
import { hilog } from '@kit.PerformanceAnalysisKit';
import { display, window } from '@kit.ArkUI';
import { WindowUtils } from '../utils/Win... |
application-dev\ui\arkts-shared-element-transition.md | import { curves } from '@kit.ArkUI';
@Entry
@Component
struct IfElseGeometryTransition {
@State isShow: boolean = false;
build() {
Stack({ alignContent: Alignment.Center }) {
if (this.isShow) {
Image($r('app.media.spring'))
.autoResize(false)
.clip(true)
.width(200)... |
application-dev\ui\arkts-shared-element-transition.md | class PostData {
avatar: Resource = $r('app.media.flower');
name: string = '';
message: string = '';
images: Resource[] = [];
}
@Entry
@Component
struct Index {
@State isPersonalPageShow: boolean = false;
@State selectedIndex: number = 0;
@State alphaValue: number = 1;
private allPostData: PostData[] ... |
application-dev\ui\arkts-sheet-page.md | .nestedScroll({
// Nested scrolling options for the scrollable component when it scrolls towards the end, with the gesture upwards.
scrollForward: NestedScrollMode.PARENT_FIRST,
// Nested scrolling options for the scrollable component when it scrolls towards the start, with the gesture downwards.
scroll... |
application-dev\ui\arkts-sheet-page.md | @Entry
@Component
struct SheetDemo {
@State isShowSheet: boolean = false
private items: number[] = [0, 1, 2, 3, 4, 5, 6, 7, 8, 9]
@Builder
SheetBuilder() {
Column() {
// Step 1: Customize a scrollable container.
List({ space: '10vp' }) {
ForEach(this.items, (item: number) => {
... |
application-dev\ui\arkts-sheet-page.md | // Step 1: Declare the onWillDismiss callback.
onWillDismiss: ((DismissSheetAction: DismissSheetAction) => {
// Step 2: Implement the secondary confirmation interaction, using an AlertDialog component to prompt the user for confirmation.
AlertDialog.show(
{
message: 'Do you want to close the semi-modal?',
... |
application-dev\ui\arkts-sheet-page.md | onWillDismiss: ((DismissSheetAction: DismissSheetAction) => {
if (DismissSheetAction.reason == DismissReason.SLIDE_DOWN) {
DismissSheetAction.dismiss() // Register the dismiss behavior.
}
}), |
application-dev\ui\arkts-sheet-page.md | onWillDismiss: ((DismissSheetAction: DismissSheetAction) => {
if (DismissSheetAction.reason == DismissReason.SLIDE_DOWN) {
DismissSheetAction.dismiss() // Register the dismiss behavior.
}
}),
onWillSpringBackWhenDismiss: ((SpringBackAction: SpringBackAction) => {
// Do not call SpringBackAction.springBack(), ... |
application-dev\ui\arkts-spring-curve.md | function springMotion(response?: number, dampingFraction?: number, overlapDuration?: number): ICurve; |
application-dev\ui\arkts-spring-curve.md | function responsiveSpringMotion(response?: number, dampingFraction?: number, overlapDuration?: number): ICurve; |
application-dev\ui\arkts-spring-curve.md | function interpolatingSpring(velocity: number, mass: number, stiffness: number, damping: number): ICurve; |
application-dev\ui\arkts-spring-curve.md | function springCurve(velocity: number, mass: number, stiffness: number, damping: number): ICurve; |
application-dev\ui\arkts-spring-curve.md | import { curves } from '@kit.ArkUI';
class Spring {
public title: string;
public subTitle: string;
public iCurve: ICurve;
constructor(title: string, subTitle: string, iCurve: ICurve) {
this.title = title;
this.iCurve = iCurve;
this.subTitle = subTitle;
}
}
// Spring component
@Component
struct ... |
application-dev\ui\arkts-styled-string.md | @Entry
@Component
struct styled_string_demo1 {
styledString1: StyledString = new StyledString("45-minute workout");
mutableStyledString1: MutableStyledString = new MutableStyledString("35-minute workout");
controller1: TextController = new TextController();
controller2: TextController = new TextCont... |
application-dev\ui\arkts-styled-string.md | import { LengthMetrics } from '@kit.ArkUI';
@Entry
@Component
struct styled_string_demo2 {
textStyleAttrs: TextStyle =
new TextStyle({ fontWeight: FontWeight.Bolder, fontSize: LengthMetrics.vp(24), fontStyle: FontStyle.Italic });
mutableStyledString: MutableStyledString = new MutableStyledString("3... |
application-dev\ui\arkts-styled-string.md | // xxx.ets
@Entry
@Component
struct styled_string_demo3 {
mutableStyledString: MutableStyledString = new MutableStyledString("35-minute workout", [
{
start: 0,
length: 3,
styledKey: StyledStringKey.TEXT_SHADOW,
styledValue: new TextShadowStyle({
radius: 5,
... |
application-dev\ui\arkts-styled-string.md | // xxx.ets
@Entry
@Component
struct styled_string_demo4 {
mutableStyledString: MutableStyledString = new MutableStyledString("35-minute workout", [
{
start: 0,
length: 3,
styledKey: StyledStringKey.DECORATION,
styledValue: new DecorationStyle({ type: TextDecorationType.Li... |
application-dev\ui\arkts-styled-string.md | import { LengthMetrics } from '@kit.ArkUI';
// xxx.ets
@Entry
@Component
struct styled_string_demo5 {
mutableStyledString: MutableStyledString = new MutableStyledString("35-minute workout", [
{
start: 0,
length: 3,
styledKey: StyledStringKey.BASELINE_OFFSET,
styledValu... |
application-dev\ui\arkts-styled-string.md | import { LengthMetrics } from '@kit.ArkUI';
// xxx.ets
@Entry
@Component
struct styled_string_demo6 {
mutableStyledString: MutableStyledString = new MutableStyledString("35-minute workout\nFighting\nAchieved", [
{
start: 8,
length: 3,
styledKey: StyledStringKey.LINE_HEIGHT,
... |
application-dev\ui\arkts-styled-string.md | import { LengthMetrics, LengthUnit } from '@kit.ArkUI';
// xxx.ets
@Entry
@Component
struct styled_string_demo7 {
mutableStyledString: MutableStyledString = new MutableStyledString("35-minute workout", [
{
start: 0,
length: 2,
styledKey: StyledStringKey.LETTER_SPACING,
... |
application-dev\ui\arkts-styled-string.md | import { LengthMetrics } from '@kit.ArkUI';
titleParagraphStyleAttr: ParagraphStyle = new ParagraphStyle({ textAlign: TextAlign.Center });
// Create a paragraph style for a 15 vp first-line text indent.
paragraphStyleAttr1: ParagraphStyle = new ParagraphStyle({ textIndent: LengthMetrics.vp(15) });
// Line heigh... |
application-dev\ui\arkts-styled-string.md | import { LengthMetrics } from '@kit.ArkUI';
// Set the maximum number of lines and text overflow mode for the paragraph, without setting the indent.
paragraphStyleAttr3: ParagraphStyle = new ParagraphStyle({ textAlign: TextAlign.End, maxLines: 1, wordBreak: WordBreak.BREAK_ALL, overflow: TextOverflow.Ellipsis});
... |
application-dev\ui\arkts-styled-string.md | // xxx.ets
import { image } from '@kit.ImageKit';
import { LengthMetrics } from '@kit.ArkUI';
@Entry
@Component
struct styled_string_demo4 {
@State message: string = 'Hello World';
imagePixelMap: image.PixelMap | undefined = undefined;
@State imagePixelMap3: image.PixelMap | undefined = undefined... |
application-dev\ui\arkts-styled-string.md | import { drawing } from '@kit.ArkGraphics2D';
class MyCustomSpan extends CustomSpan {
constructor(word: string, width: number, height: number, fontSize: number) {
super();
this.word = word;
this.width = width;
this.height = height;
this.fontSize = fontSize;
}
onMeasure(meas... |
application-dev\ui\arkts-styled-string.md | import { LengthMetrics } from '@kit.ArkUI';
@Entry
@Component
struct Index {
alignCenterParagraphStyleAttr: ParagraphStyle = new ParagraphStyle({ textAlign: TextAlign.Center });
// Line height style object
lineHeightStyle1: LineHeightStyle = new LineHeightStyle(LengthMetrics.vp(24));
//Bold style
boldTextSty... |
application-dev\ui\arkts-traditional-curve.md | class MyCurve {
public title: string;
public curve: Curve;
public color: Color | string;
constructor(title: string, curve: Curve, color: Color | string = '') {
this.title = title;
this.curve = curve;
this.color = color;
}
}
const myCurves: MyCurve[] = [
new MyCurve(' Linear', Curve.Linear, '#3... |
application-dev\ui\arkts-uicontext-custom-dialog.md | private contentNode: ComponentContent<Object> = new ComponentContent(this.ctx, wrapBuilder(buildText), new Params(this.message)); |
application-dev\ui\arkts-uicontext-custom-dialog.md | PromptActionClass.ctx.getPromptAction().openCustomDialog(PromptActionClass.contentNode, PromptActionClass.options)
.then(() => {
console.info('OpenCustomDialog complete.')
})
.catch((error: BusinessError) => {
let message = (error as BusinessError).message;
let code = (error as Busin... |
application-dev\ui\arkts-uicontext-custom-dialog.md | PromptActionClass.ctx.getPromptAction().closeCustomDialog(PromptActionClass.contentNode)
.then(() => {
console.info('CloseCustomDialog complete.')
if (this.contentNode !== null) {
this.contentNode.dispose(); // Dispose of contentNode.
}
})
.catch((error: BusinessError)... |
application-dev\ui\arkts-uicontext-custom-dialog.md | this.contentNode.update(new Params('update')) |
application-dev\ui\arkts-uicontext-custom-dialog.md | PromptActionClass.ctx.getPromptAction().updateCustomDialog(PromptActionClass.contentNode, options)
.then(() => {
console.info('UpdateCustomDialog complete.')
})
.catch((error: BusinessError) => {
let message = (error as BusinessError).message;
let code = (error as BusinessError).code;
console.erro... |
application-dev\ui\arkts-uicontext-custom-dialog.md | // PromptActionClass.ets
import { BusinessError } from '@kit.BasicServicesKit';
import { ComponentContent, promptAction } from '@kit.ArkUI';
import { UIContext } from '@ohos.arkui.UIContext';
export class PromptActionClass {
static ctx: UIContext;
static contentNode: ComponentContent<Object>;
static options: pro... |
application-dev\ui\arkts-uicontext-custom-dialog.md | // Index.ets
import { ComponentContent } from '@kit.ArkUI';
import { PromptActionClass } from './PromptActionClass';
class Params {
text: string = ""
constructor(text: string) {
this.text = text;
}
}
@Builder
function buildText(params: Params) {
Column() {
Text(params.text)
.fontSize(50)
... |
application-dev\ui\arkts-user-defined-arktsNode-builderNode.md | import { BuilderNode, FrameNode, NodeController, UIContext } from '@kit.ArkUI';
class Params {
text: string = "";
constructor(text: string) {
this.text = text;
}
}
@Builder
function buildText(params: Params) {
Column() {
Text(params.text)
.fontSize(50)
.fontWeight(FontWeight.Bold)
.... |
application-dev\ui\arkts-user-defined-arktsNode-builderNode.md | import { NodeController, BuilderNode, FrameNode, UIContext, RenderNode } from "@kit.ArkUI";
class Params {
text: string = "";
constructor(text: string) {
this.text = text;
}
}
@Builder
function buildText(params: Params) {
Column() {
Text(params.text)
.fontSize(50)
.fontWeight(FontWeight.B... |
application-dev\ui\arkts-user-defined-arktsNode-builderNode.md | import { NodeController, BuilderNode, FrameNode, UIContext } from "@kit.ArkUI";
class Params {
text: string = "";
constructor(text: string) {
this.text = text;
}
}
// Custom component
@Component
struct TextBuilder {
// The @Prop decorated attribute is the attribute to be updated in the custom component. I... |
application-dev\ui\arkts-user-defined-arktsNode-builderNode.md | import { NodeController, BuilderNode, FrameNode, UIContext } from '@kit.ArkUI';
class Params {
text: string = "this is a text";
}
@Builder
function ButtonBuilder(params: Params) {
Column() {
Button(`button ` + params.text)
.borderWidth(2)
.backgroundColor(Color.Orange)
.width("100%")
.... |
application-dev\ui\arkts-user-defined-arktsNode-builderNode.md | import { FrameNode, NodeController, BuilderNode, UIContext } from "@kit.ArkUI";
const TEST_TAG: string = "Reuse+Recycle";
class MyDataSource {
private dataArray: string[] = [];
private listener: DataChangeListener | null = null
public totalCount(): number {
return this.dataArray.length;
}
public getDa... |
application-dev\ui\arkts-user-defined-arktsNode-builderNode.md | import { NodeController, BuilderNode, FrameNode, UIContext } from "@kit.ArkUI";
import { AbilityConstant, Configuration, EnvironmentCallback } from '@kit.AbilityKit';
class Params {
text: string = ""
constructor(text: string) {
this.text = text;
}
}
// Custom component
@Component
struct TextBuilder {
// ... |
application-dev\ui\arkts-user-defined-arktsNode-builderNode.md | // ets/pages/Index.ets
import { NodeController, BuilderNode, FrameNode, UIContext } from "@kit.ArkUI";
import "ets/pages/PageTwo"
@Builder
function buildText() {
// Use syntax nodes to generate a BuilderProxyNode within @Builder.
if (true) {
MyComponent()
}
}
@Component
struct MyComponent {
@StorageLink("... |
application-dev\ui\arkts-user-defined-arktsNode-builderNode.md | // ets/pages/PageTwo.ets
// This page contains a button to navigate back to the home page, where the original text disappears.
import "ets/pages/Index"
@Entry({ routeName: "pageTwo" })
@Component
struct PageTwo {
build() {
Column() {
Button('Router replace to index')
.onClick(() => {
this... |
application-dev\ui\arkts-user-defined-arktsNode-builderNode.md | // ets/pages/Index.ets
import { NodeController, BuilderNode, FrameNode, UIContext } from "@kit.ArkUI";
import "ets/pages/PageTwo"
@Builder
function buildText() {
// Use syntax nodes to generate a BuilderProxyNode within @Builder.
if (true) {
MyComponent()
}
}
@Component
struct MyComponent {
@StorageLink("... |
application-dev\ui\arkts-user-defined-arktsNode-builderNode.md | import { BuilderNode, NodeController, UIContext } from '@kit.ArkUI';
let localStorage1: LocalStorage = new LocalStorage();
localStorage1.setOrCreate('PropA', 'PropA');
let localStorage2: LocalStorage = new LocalStorage();
localStorage2.setOrCreate('PropB', 'PropB');
@Entry(localStorage1)
@Component
struct Index {
... |
application-dev\ui\arkts-user-defined-arktsNode-frameNode.md | import { BuilderNode, FrameNode, NodeController, UIContext } from '@kit.ArkUI';
import { BusinessError } from '@kit.BasicServicesKit';
const TEST_TAG: string = "FrameNode"
class Params {
text: string = "this is a text"
}
@Builder
function buttonBuilder(params: Params) {
Column({ space: 10 }) {
Button(params.... |
application-dev\ui\arkts-user-defined-arktsNode-frameNode.md | import { BuilderNode, FrameNode, NodeController, UIContext } from '@kit.ArkUI'
class Params {
text: string = "this is a text"
}
@Builder
function buttonBuilder(params: Params) {
Button(params.text)
.fontSize(12)
.borderRadius(8)
.borderWidth(2)
.backgroundColor(Color.Orange)
.onClick((event: C... |
application-dev\ui\arkts-user-defined-arktsNode-frameNode.md | import { DrawContext, FrameNode, NodeController, Position, Size, UIContext, LayoutConstraint } from '@kit.ArkUI';
import { drawing } from '@kit.ArkGraphics2D';
function GetChildLayoutConstraint(constraint: LayoutConstraint, child: FrameNode): LayoutConstraint {
const size = child.getUserConfigSize();
const width =... |
application-dev\ui\arkts-user-defined-arktsNode-frameNode.md | import { NodeController, FrameNode, UIContext } from '@kit.ArkUI';
const TEST_TAG: string = "FrameNode"
class MyNodeController extends NodeController {
public frameNode: FrameNode | null = null;
private rootNode: FrameNode | null = null;
makeNode(uiContext: UIContext): FrameNode | null {
this.rootNode = ne... |
application-dev\ui\arkts-user-defined-arktsNode-frameNode.md | import { NodeController, FrameNode, UIContext, BuilderNode, typeNode } from '@kit.ArkUI';
class Params {
text: string = "";
constructor(text: string) {
this.text = text;
}
}
@Builder
function buildText(params: Params) {
Column() {
Text(params.text)
.id("buildText")
.border({ width: 1 })
... |
application-dev\ui\arkts-user-defined-arktsNode-frameNode.md | import { NodeController, FrameNode, BuilderNode } from '@kit.ArkUI';
const TEST_TAG: string = "FrameNode";
@Component
struct TestComponent {
build() {
Column() {
Text('This is a BuilderNode.')
.fontSize(16)
.fontWeight(FontWeight.Bold)
}
.width('100%')
.backgroundColor(Color.Gr... |
application-dev\ui\arkts-user-defined-arktsNode-frameNode.md | import { FrameNode, NodeController, NodeAdapter, typeNode } from '@kit.ArkUI';
const TEST_TAG: string = "FrameNode";
class MyNodeAdapter extends NodeAdapter {
uiContext: UIContext
cachePool: Array<FrameNode> = new Array();
changed: boolean = false
reloadTimes: number = 0;
data: Array<string> = new Array();
... |
application-dev\ui\arkts-user-defined-arktsNode-renderNode.md | import { FrameNode, NodeController, RenderNode } from '@kit.ArkUI';
const TEST_TAG: string = "RenderNode";
const renderNode = new RenderNode();
renderNode.frame = {
x: 0,
y: 0,
width: 200,
height: 350
};
renderNode.backgroundColor = 0xffff0000;
for (let i = 0; i < 5; i++) {
const node = new RenderNode();
/... |
application-dev\ui\arkts-user-defined-arktsNode-renderNode.md | import { RenderNode, FrameNode, NodeController, ShapeMask, ShapeClip } from '@kit.ArkUI';
const TEST_TAG: string = "RenderNode";
const mask = new ShapeMask();
mask.setRectShape({
left: 0,
right: 150,
top: 0,
bottom: 150
});
mask.fillColor = 0X55FF0000;
mask.strokeColor = 0XFFFF0000;
mask.strokeWidth = 24;
con... |
application-dev\ui\arkts-user-defined-arktsNode-renderNode.md | import { FrameNode, NodeController, RenderNode } from '@kit.ArkUI';
import { drawing } from '@kit.ArkGraphics2D';
class MyRenderNode extends RenderNode {
width: number = 200;
draw(context: DrawContext) {
// Obtain the canvas object.
const canvas = context.canvas;
// Create a brush.
const brush = n... |
application-dev\ui\arkts-user-defined-arktsNode-renderNode.md | import { DrawContext } from '@kit.ArkUI'
export const nativeOnDraw: (id: number, context: DrawContext, width: number, height: number) => number; |
application-dev\ui\arkts-user-defined-arktsNode-renderNode.md | // Index.ets
import bridge from "libentry.so" // This .so file is written and generated by Node-API.
import { DrawContext, FrameNode, NodeController, RenderNode } from '@kit.ArkUI'
class MyRenderNode extends RenderNode {
draw(context: DrawContext) {
// The width and height in the context need to be converted fro... |
application-dev\ui\arkts-user-defined-arktsNode-renderNode.md | import { RenderNode, FrameNode, NodeController, UIContext } from '@kit.ArkUI';
class MyNodeController extends NodeController {
private rootNode: FrameNode | null = null;
makeNode(uiContext: UIContext): FrameNode | null {
this.rootNode = new FrameNode(uiContext);
const renderNode: RenderNode | null = this... |
application-dev\ui\arkts-user-defined-extension-attributeModifier.md | declare interface AttributeModifier<T> {
applyNormalAttribute?(instance: T): void;
applyPressedAttribute?(instance: T): void;
applyFocusedAttribute?(instance: T): void;
applyDisabledAttribute?(instance: T): void;
applySelectedAttribute?(instance: T): void;
} |
application-dev\ui\arkts-user-defined-extension-attributeModifier.md | declare class CommonMethod<T> {
attributeModifier(modifier: AttributeModifier<T>): T;
} |
application-dev\ui\arkts-user-defined-extension-attributeModifier.md | // button_modifier.ets
export class MyButtonModifier implements AttributeModifier<ButtonAttribute> {
// A private member variable that can be dynamically modified externally
isDark: boolean = false
// The constructor allows for parameter passing when creating an instance.
constructor(dark?: boolean) ... |
application-dev\ui\arkts-user-defined-extension-attributeModifier.md | // demo.ets
import { MyButtonModifier } from './button_modifier'
@Entry
@Component
struct attributeDemo {
// The modifier is decorated with @State, with behavior consistent with that of a regular object.
@State modifier: MyButtonModifier = new MyButtonModifier(true);
build() {
Row() {
... |
application-dev\ui\arkts-user-defined-extension-attributeModifier.md | // button_modifier.ets
export class MyButtonModifier implements AttributeModifier<ButtonAttribute> {
isDark: boolean = false
constructor(dark?: boolean) {
this.isDark = dark ? dark : false
}
applyNormalAttribute(instance: ButtonAttribute): void {
if (this.isDark) {
instance.backg... |
application-dev\ui\arkts-user-defined-extension-attributeModifier.md | // demo.ets
import { MyButtonModifier } from './button_modifier';
@Entry
@Component
struct attributeDemo {
@State modifier: MyButtonModifier = new MyButtonModifier(true);
build() {
Row() {
Column() {
// As the attribute is set before the modifier, the button's color changes in ... |
application-dev\ui\arkts-user-defined-extension-attributeModifier.md | // button_modifier.ets
export class MyButtonModifier implements AttributeModifier<ButtonAttribute> {
isDark: boolean = false
constructor(dark?: boolean) {
this.isDark = dark ? dark : false
}
applyNormalAttribute(instance: ButtonAttribute): void {
if (this.isDark) {
instance.backg... |
application-dev\ui\arkts-user-defined-extension-attributeModifier.md | // button_modifier2.ets
export class MyButtonModifier2 implements AttributeModifier<ButtonAttribute> {
isDark2: boolean = false
constructor(dark?: boolean) {
this.isDark2 = dark ? dark : false
}
applyNormalAttribute(instance: ButtonAttribute): void {
if (this.isDark2) {
instance.... |
application-dev\ui\arkts-user-defined-extension-attributeModifier.md | // demo.ets
import { MyButtonModifier } from './button_modifier';
import { MyButtonModifier2 } from './button_modifier2';
@Entry
@Component
struct attributeDemo {
@State modifier: MyButtonModifier = new MyButtonModifier(true);
@State modifier2: MyButtonModifier2 = new MyButtonModifier2(true);
bu... |
application-dev\ui\arkts-user-defined-extension-attributeModifier.md | // button_modifier.ets
export class MyButtonModifier implements AttributeModifier<ButtonAttribute> {
applyNormalAttribute(instance: ButtonAttribute): void {
// instance is the attribute object for the Button, used to set attributes for the normal state.
instance.backgroundColor('#17A98D')
.bor... |
application-dev\ui\arkts-user-defined-extension-attributeModifier.md | // demo.ets
import { MyButtonModifier } from './button_modifier'
@Entry
@Component
struct attributeDemo {
@State modifier: MyButtonModifier = new MyButtonModifier();
build() {
Row() {
Column() {
Button("Button")
.attributeModifier(this.modifier)
}
.w... |
application-dev\ui\arkts-user-defined-extension-attributeUpdater.md | export declare class AttributeUpdater<T, C = Initializer<T>> implements AttributeModifier<T> {
applyNormalAttribute?(instance: T): void;
initializeModifier(instance: T): void;
get attribute(): T | undefined;
updateConstructorParams: C;
} |
application-dev\ui\arkts-user-defined-extension-attributeUpdater.md | import { AttributeUpdater } from '@ohos.arkui.modifier'
class MyButtonModifier extends AttributeUpdater<ButtonAttribute> {
// The initializeModifier method is triggered upon the first binding, initializing the attributes.
initializeModifier(instance: ButtonAttribute): void {
instance.backgroundColor('#2787D9')... |
application-dev\ui\arkts-user-defined-extension-attributeUpdater.md | import { AttributeUpdater } from '@ohos.arkui.modifier'
class MyTextModifier extends AttributeUpdater<TextAttribute, TextInterface> {
initializeModifier(instance: TextAttribute): void {
}
}
@Entry
@Component
struct updaterDemo {
modifier: MyTextModifier = new MyTextModifier()
build() {
Row() {
Colu... |
application-dev\ui\arkts-user-defined-place-holder.md | // common.ets
import { BuilderNode, UIContext } from '@kit.ArkUI'
class Params {
text: string = "this is a text"
}
let buttonNode: BuilderNode<[Params]> | null = null;
@Builder
function buttonBuilder(params: Params) {
Column() {
Button(params.text)
.fontSize(12)
.borderRadius(8)
.borderWidt... |
application-dev\ui\arkts-user-defined-place-holder.md | // Index.ets
import { FrameNode, NodeController, Size, UIContext } from '@kit.ArkUI'
import { getOrCreateNode } from "./common"
const TEST_TAG: string = "NodeContainer";
class MyNodeController extends NodeController {
private isShow: boolean = false;
constructor(isShow: boolean) {
super();
this.isShow = ... |
application-dev\ui\arkts-user-defined-place-holder.md | import { FrameNode, NodeContent, NodeController, typeNode, UIContext } from '@kit.ArkUI';
class NodeContentCtrl {
content: NodeContent
textNode: Array<typeNode.Text> = new Array();
uiContext: UIContext
width: number
constructor(uiContext: UIContext) {
this.content = new NodeContent()
this.uiContext ... |
application-dev\ui\arkui-support-for-aging-adaptation.md | import { abilityManager, Configuration } from '@kit.AbilityKit';
import { BusinessError } from '@kit.BasicServicesKit';
@Entry
@Component
struct SideBarContainerExample {
@State currentFontSizeScale: number = 1
normalIcon: Resource = $r("app.media.icon")
selectedIcon: Resource = $r("app.media.icon")
@State arr... |
application-dev\ui\arkui-support-for-aging-adaptation.md | import { abilityManager, Configuration } from '@kit.AbilityKit';
import { BusinessError } from '@kit.BasicServicesKit';
@Entry
@Component
struct TextPickerExample {
private select: number | number[] = 0;
private cascade: TextCascadePickerRangeContent[] = [
{
text: 'Category 1',
children: [{ text: '... |
Subsets and Splits
No community queries yet
The top public SQL queries from the community will appear here once available.