# OpenHarmony Application Development Documentation - [Application Development Overview](application-dev-guide.md) - Quick Start - [Directory Structure](package-structure.md) - [Resource File Categories](quick-start/basic-resource-file-categories.md) - Development - UI - JavaScript-based Web-Like Development Paradigm - [Overview](ui/ui-js-overview.md) - Framework - [File Organization](ui/js-framework-file.md) - [js Tag](ui/js-framework-js-tag.md) - [app.js](ui/js-framework-js-file.md) - Syntax - [HML](ui/js-framework-syntax-hml.md) - [CSS](ui/js-framework-syntax-css.md) - [JavaScript](ui/js-framework-syntax-js.md) - [Lifecycle](ui/js-framework-lifecycle.md) - [Resource Limitations and Access](ui/js-framework-resource-restriction.md) - [Multi-Language Capability](ui/js-framework-multiple-languages.md) - Building the UI - [Component Overview](ui/ui-js-building-ui-component.md) - Building the Layout - [Layout Description](ui/ui-js-building-ui-layout-intro.md) - [Adding Title and Paragraph Text](ui/ui-js-building-ui-layout-text.md) - [Adding an Image](ui/ui-js-building-ui-layout-image.md) - [Adding a Comment](ui/ui-js-building-ui-layout-comment.md) - [Adding a Container](ui/ui-js-building-ui-layout-external-container.md) - [Adding Interactions](ui/ui-js-building-ui-interactions.md) - [Developing Animations](ui/ui-js-building-ui-animation.md) - [Defining Events](ui/ui-js-building-ui-event.md) - [Defining Page Routes](ui/ui-js-building-ui-routes.md) - Common Component Development Guidelines - [Text](ui/ui-js-components-text.md) - [Input](ui/ui-js-components-input.md) - [Button](ui/ui-js-components-button.md) - [List](ui/ui-js-components-list.md) - [Picker](ui/ui-js-components-picker.md) - [Dialog](ui/ui-js-components-dialog.md) - [Form](ui/ui-js-components-form.md) - [Stepper](ui/ui-js-components-stepper.md) - [Tabs](ui/ui-js-component-tabs.md) - [Image](ui/ui-js-components-images.md) - Animation Development Guidelines - CSS Animation - [Defining Attribute Style Animations](ui/ui-js-animate-attribute-style.md) - [Defining Animations with the transform Attribute](ui/ui-js-animate-transform.md) - [Defining Animations with the background-position Attribute](ui/ui-js-animate-background-position-style.md) - JS Animation - [Component Animation](ui/ui-js-animate-component.md) - Interpolator Animation - [Animation Effect](ui/ui-js-animate-dynamic-effects.md) - [Animation Frame](ui/ui-js-animate-frame.md) - [Custom Components](ui/ui-js-custom-components.md) - TypeScript-based Declarative Development Paradigm - [Overview](ui/ui-ts-overview.md) - Framework Overview - File Organization - [Directory Structure](ui/ts-framework-directory.md) - [Rules for Accessing Application Code Files](ui/ts-framework-file-access-rules.md) - [js Tag](ui/ts-framework-js-tag.md) - Resource Access - [Media Resource Types](ui/ts-media-resource-type.md) - [Pixel Units](ui/ts-pixel-units.md) - [Types](ui/ts-types.md) - Declarative Syntax - [Overview](ui/ts-syntax-intro.md) - General UI Description Specifications - [Basic Concepts](ui/ts-general-ui-concepts.md) - Declarative UI Description Specifications - [Parameterless Configuration](ui/ts-parameterless-configuration.md) - [Configuration with Mandatory Parameters](ui/ts-configuration-with-mandatory-parameters.md) - [Attribution Configuration](ui/ts-attribution-configuration.md) - [Event Configuration](ui/ts-event-configuration.md) - [Child Component Configuration](ui/ts-child-component-configuration.md) - Componentization - [@Component](ui/ts-component-based-component.md) - [@Entry](ui/ts-component-based-entry.md) - [@Preview](ui/ts-component-based-preview.md) - [@Builder](ui/ts-component-based-builder.md) - [@Extend](ui/ts-component-based-extend.md) - [@CustomDialog](ui/ts-component-based-customdialog.md) - About UI State Management - [Basic Concepts](ui/ts-ui-state-mgmt-concepts.md) - Managing Component States - [@State](ui/ts-component-states-state.md) - [@Prop](ui/ts-component-states-prop.md) - [@Link](ui/ts-component-states-link.md) - Managing Application States - [AppStorage](ui/ts-application-states-appstorage.md) - [PersistentStorage](ui/ts-application-states-apis-persistentstorage.md) - [Environment](ui/ts-application-states-apis-environment.md) - Managing Other States - [@observed and @objectLink](ui/ts-other-states-observed-objectlink.md) - [@Consume and @Provide](ui/ts-other-states-consume-provide.md) - [@Watch](ui/ts-other-states-watch.md) - About Rendering Control Syntax - [if/else](ui/ts-rending-control-syntax-if-else.md) - [ForEach](ui/ts-rending-control-syntax-foreach.md) - [LazyForEach](ui/ts-rending-control-syntax-lazyforeach.md) - About @Component - [build Function](ui/ts-function-build.md) - [Custom Component Initialization](ui/ts-custom-component-initialization.md) - [Custom Component Lifecycle Callbacks](ui/ts-custom-component-lifecycle-callbacks.md) - [Example: Component Creation and Re-Initialization](ui/ts-component-creation-re-initialization.md) - Syntactic Sugar - [@Decorator](ts-syntactic-sugar-decorator.md) - [Chain Call](ts-syntactic-sugar-chaining.md) - [struct](ts-syntactic-sugar-struct.md) - [Instantiating a struct Without the new Keyword](ts-instantiating-a-struct-without-new-keyword.md) - [Using a Separate Line for New Component](ts-using-a-separate-line-for-new-component.md) - [Restrictions on Using TypeScript for Generators](ts-restrictions-for-generators.md) - Experiencing the Declarative UI - [Creating a Declarative UI Project](ui/ui-ts-creating-project.md) - [Getting to Know Components](ui/ui-ts-components.md) - [Creating a Simple Page](ui/ui-ts-creating-simple-page.md) - Defining Page Layout and Connection - [Building a Food Data Model](ui/ui-ts-building-data-model.md) - [Building a Food Category List Layout](ui/ui-ts-building-category-list-layout.md) - [Building a Food Category Grid Layout](ui/ui-ts-building-category-grid-layout.md) - [Implementing Page Redirection and Data Transmission](ui/ui-ts-page-redirection-data-transmission.md) - Basic Functions - Agent-Powered Scheduled Reminders - [Overview](background-agent-scheduled-reminder/background-agent-scheduled-reminder-overview.md) - [Development Guidelines](background-agent-scheduled-reminder/background-agent-scheduled-reminder-guide.md) - Background Task Management - [Background Task Management Overview](background-task-management/background-task-overview.md) - [Background Task Management Development](background-task-management/background-task-dev-guide.md) - WebGL - [WebGL Overview](webgl/webgl-overview.md) - [WebGL Development](webgl/webgl-guidelines.md) - Media - Audio - [Audio Overview](media/audio-overview.md) - [Audio Playback Development](media/audio-playback.md) - [Audio Playback Development Using AudioRenderer](media/audio-renderer.md) - [Audio Recording Development](media/audio-recorder.md) - [Audio Recorder Development Using AudioCapturer](media/audio-capturer) - Video - [Video Playback Development](media/video-playback.md) - [Video Recording Development](media/video-recorder.md) - Security - User Authentication - [User Authentication Overview](security/userauth-overview.md) - [User Authentication Development](security/userauth-guidelines.md) - Connectivity - IPC & RPC - [IPC & RPC Overview](connectivity/ipc-rpc-overview.md) - [IPC & RPC Development Guidelines](connectivity/ipc-rpc-development-guideline.md) - [Subscribing to State Changes of a Remote Object](connectivity/subscribe-remote-state.md) - Data Management - Distributed Data Service - [Distributed Data Service Overview](database/database-mdds-overview.md) - [Distributed Data Service Development](database/database-mdds-guidelines.md) - Relational Database Overview - [RDB Overview](database/database-relational-overview.md) - [RDB Development](database/database-relational-guidelines.md) - Lightweight Data Store - [Lightweight Data Store Overview](database/database-preference-overview.md) - [Lightweight Data Store Development](database/database-preference-guidelines.md) - Device - USB Service - [USB Service Overview](device/usb-overview.md) - [USB Service Development](device/usb-guidelines.md) - Location - [Location Overview](device/device-location-overview.md) - [Obtaining Device Location Information](device/device-location-info.md) - [Geocoding and Reverse Geocoding Capabilities](device/device-location-geocoding.md) - DFX - Application Event Logging - [Overview of Application Event Logging](dfx/hiappevent-overview.md) - [Development Guidelines on Application Event Logging](dfx/hiappevent-guidelines.md) - Tools - [DevEco Studio (OpenHarmony) User Guide](quick-start/deveco-studio-user-guide-for-openharmony.md) - Hands-On Tutorials - [Samples](https://gitee.com/openharmony/app_samples/blob/master/README.md) - API References - Compent Reference (JavaScript-based Web-like Development Paradigm) - Components - Common - [Universal Attributes](reference/arkui-js/js-components-common-attributes.md) - [Universal Styles](reference/arkui-js/js-components-common-styles.md) - [Universal Events](reference/arkui-js/js-components-common-events.md) - [Universal Methods](reference/arkui-js/js-components-common-methods.md) - [Animation Styles](reference/arkui-js/js-components-common-animation.md) - [Gradient Styles](reference/arkui-js/js-components-common-gradient.md) - [Transition Styles](reference/arkui-js/js-components-common-transition.md) - [Custom Font Styles](reference/arkui-js/js-components-common-customizing-font.md) - [Atomic Layout](reference/arkui-js/js-components-common-atomic-layout.md) - Container Component - [badge](reference/arkui-js/js-components-container-badge.md) - [dialog](reference/arkui-js/js-components-container-dialog.md) - [div](reference/arkui-js/js-components-container-div.md) - [form](reference/arkui-js/js-components-container-form.md) - [list](reference/arkui-js/js-components-container-list.md) - [list-item](reference/arkui-js/js-components-container-list-item.md) - [list-item-group](reference/arkui-js/js-components-container-list-item-group.md) - [panel](reference/arkui-js/js-components-container-panel.md) - [popup](reference/arkui-js/js-components-container-popup.md) - [refresh](reference/arkui-js/js-components-container-refresh.md) - [stack](reference/arkui-js/js-components-container-stack.md) - [stepper](reference/arkui-js/js-components-container-stepper.md) - [stepper-item](reference/arkui-js/js-components-container-stepper-item.md) - [swiper](reference/arkui-js/js-components-container-swiper.md) - [tabs](reference/arkui-js/js-components-container-tabs.md) - [tab-bar](reference/arkui-js/js-components-container-tab-bar.md) - [tab-content](reference/arkui-js/js-components-container-tab-content.md) - Basic Components - [button](reference/arkui-js/js-components-basic-button.md) - [chart](reference/arkui-js/js-components-basic-chart.md) - [divider](reference/arkui-js/js-components-basic-divider.md) - [image](reference/arkui-js/js-components-basic-image.md) - [image-animator](reference/arkui-js/js-components-basic-image-animator.md) - [input](reference/arkui-js/js-components-basic-input.md) - [label](reference/arkui-js/js-components-basic-label.md) - [marquee](reference/arkui-js/js-components-basic-marquee.md) - [menu](reference/arkui-js/js-components-basic-menu.md) - [option](reference/arkui-js/js-components-basic-option.md) - [picker](reference/arkui-js/js-components-basic-picker.md) - [picker-view](reference/arkui-js/js-components-basic-picker-view.md) - [piece](reference/arkui-js/js-components-basic-piece.md) - [progress](reference/arkui-js/js-components-basic-progress.md) - [qrcode](reference/arkui-js/js-components-basic-qrcode.md) - [rating](reference/arkui-js/js-components-basic-rating.md) - [richtext](reference/arkui-js/js-components-basic-richtext.md) - [search](reference/arkui-js/js-components-basic-search.md) - [select](reference/arkui-js/js-components-basic-select.md) - [slider](reference/arkui-js/js-components-basic-slider.md) - [span](reference/arkui-js/js-components-basic-span.md) - [switch](reference/arkui-js/js-components-basic-switch.md) - [text](reference/arkui-js/js-components-basic-text.md) - [textarea](reference/arkui-js/js-components-basic-textarea.md) - [toolbar](reference/arkui-js/js-components-basic-toolbar.md) - [toolbar-item](reference/arkui-js/js-components-basic-toolbar-item.md) - [toggle](reference/arkui-js/js-components-basic-toggle.md) - Media Components - [video](reference/arkui-js/js-components-media-video.md) - Canvas Components - [canvas](reference/arkui-js/js-components-canvas-canvas.md) - [CanvasRenderingContext2D](reference/arkui-js/js-components-canvas-canvasrenderingcontext2d.md) - [Image](reference/arkui-js/js-components-canvas-image.md) - [CanvasGradient](reference/arkui-js/js-components-canvas-canvasgradient.md) - [ImageData](reference/arkui-js/js-components-canvas-imagedata.md) - [Path2D](reference/arkui-js/js-components-canvas-path2d.md) - [ImageBitmap](reference/arkui-js/js-components-canvas-imagebitmap.md) - [OffscreenCanvas](reference/arkui-js/js-components-canvas-offscreencanvas.md) - [OffscreenCanvasRenderingContext2D](reference/arkui-js/js-offscreencanvasrenderingcontext2d.md) - Grid - [Basic Concepts](reference/arkui-js/js-components-grid-basic-concepts.md) - [grid-container](reference/arkui-js/js-components-grid-container.md) - [grid-row](reference/arkui-js/js-components-grid-row.md) - [grid-col](reference/arkui-js/js-components-grid-col.md) - SVG Components - [Universal Attributes](reference/arkui-js/js-components-svg-common-attributes.md) - [svg](reference/arkui-js/js-components-svg.md) - [rect](reference/arkui-js/js-components-svg-rect.md) - [circle](reference/arkui-js/js-components-svg-circle.md) - [ellipse](reference/arkui-js/js-components-svg-ellipse.md) - [path](reference/arkui-js/js-components-svg-path.md) - [line](reference/arkui-js/js-components-svg-line.md) - [polyline](reference/arkui-js/js-components-svg-polyline.md) - [polygon](reference/arkui-js/js-components-svg-polygon.md) - [text](reference/arkui-js/js-components-svg-text.md) - [tspan](reference/arkui-js/js-components-svg-tspan.md) - [textPath](reference/arkui-js/js-components-svg-textpath.md) - [animate](reference/arkui-js/js-components-svg-animate.md) - [animateMotion](reference/arkui-js/js-components-svg-animatemotion.md) - [animateTransform](reference/arkui-js/js-components-svg-animatetransform.md) - Custom Components - [Basic Usage](reference/arkui-js/js-components-custom-basic-usage.md) - [Custom Events](reference/arkui-js/js-components-custom-events.md) - [props](reference/arkui-js/js-components-custom-props.md) - [Event Parameter](reference/arkui-js/js-components-custom-event-parameter.md) - [slot](reference/arkui-js/js-components-custom-slot.md) - [Lifecycle Definition](reference/arkui-js/js-components-custom-lifecycle.md) - Appendix - [Type Attributes](reference/arkui-js/js-appendix-types.md) - Compent Reference (TypeScript-based Declarative Development Paradigm) - Components - Universal Components - Universal Events - [Click Event](reference/arkui-ts/ts-universal-events-click.md) - [Touch](reference/arkui-ts/ts-universal-events-touch.md) - [Show/Hide Event](reference/arkui-ts/ts-universal-events-show-hide.md) - [Key Event](reference/arkui-ts/ts-universal-events-key.md) - [Component Area Change Event](reference/arkui-ts/ts-universal-events-component-area-change.md) - Universal Attributes - [Size](reference/arkui-ts/ts-universal-attributes-size.md) - [Location](reference/arkui-ts/ts-universal-attributes-location.md) - [Layout Constraints](reference/arkui-ts/ts-universal-attributes-layout-constraints.md) - [Flex Layout](reference/arkui-ts/ts-universal-attributes-flex-layout.md) - [Border Configuration](reference/arkui-ts/ts-universal-attributes-border.md) - [Background](reference/arkui-ts/ts-universal-attributes-background.md) - [Opacity](reference/arkui-ts/ts-universal-attributes-opacity.md) - [Visibility](reference/arkui-ts/ts-universal-attributes-visibility.md) - [Enable/Disable](reference/arkui-ts/ts-universal-attributes-enable.md) - [Overlay](reference/arkui-ts/ts-universal-attributes-overlay.md) - [Z-order Control](reference/arkui-ts/ts-universal-attributes-z-order.md) - [Transformation](reference/arkui-ts/ts-universal-attributes-transformation.md) - [Image Effect Configuration](reference/arkui-ts/ts-universal-attributes-image-effect.md) - [Shape Clipping](reference/arkui-ts/ts-universal-attributes-sharp-clipping.md) - [Text Style](reference/arkui-ts/ts-universal-attributes-text-style.md) - [Grid](reference/arkui-ts/ts-universal-attributes-grid.md) - [Gradient Color](reference/arkui-ts/ts-universal-attributes-gradient-color.md) - [Popup Control](reference/arkui-ts/ts-universal-attributes-popup.md) - [Menu Control](reference/arkui-ts/ts-universal-attributes-menu.md) - [Click Control](reference/arkui-ts/ts-universal-attributes-touchable.md) - [Touch Target](reference/arkui-ts/ts-universal-attributes-response-region.md) - Gesture Processing - [Gesture Binding Methods](reference/arkui-ts/ts-gesture-settings.md) - Basic Gestures - [TapGesture](reference/arkui-ts/ts-basic-gestures-tapgesture.md) - [LongPressGesture](reference/arkui-ts/ts-basic-gestures-longpressgesture.md) - [PanGesture](reference/arkui-ts/ts-basic-gestures-pangesture.md) - [PinchGesture](reference/arkui-ts/ts-basic-gestures-pinchgesture.md) - [RotationGesture](reference/arkui-ts/ts-basic-gestures-rotationgesture.md) - [SwipeGesture](reference/arkui-ts/ts-basic-gestures-swipegesture.md) - [Combined Gestures](reference/arkui-ts/ts-combined-gestures.md) - Basic Components - [Blank](reference/arkui-ts/ts-basic-components-blank.md) - [Button](reference/arkui-ts/ts-basic-components-button.md) - [DataPanel](reference/arkui-ts/ts-basic-components-datapanel.md) - [Divider](reference/arkui-ts/ts-basic-components-divider.md) - [Gauge](reference/arkui-ts/ts-basic-components-gauge.md) - [Image](reference/arkui-ts/ts-basic-components-image.md) - [ImageAnimator](reference/arkui-ts/ts-basic-components-imageanimator.md) - [LoadingProgress](reference/arkui-ts/ts-basic-components-loadingprogress.md) - [Marquee](reference/arkui-ts/ts-basic-components-marquee.md) - [Progress](reference/arkui-ts/ts-basic-components-progress.md) - [QRCode](reference/arkui-ts/ts-basic-components-qrcode.md) - [Rating](reference/arkui-ts/ts-basic-components-rating.md) - [Select](reference/arkui-ts/ts-basic-components-select.md) - [Slider](reference/arkui-ts/ts-basic-components-slider.md) - [Span](reference/arkui-ts/ts-basic-components-span.md) - [Text](reference/arkui-ts/ts-basic-components-text.md) - [TextArea](reference/arkui-ts/ts-basic-components-textarea.md) - [TextInput](reference/arkui-ts/ts-basic-components-textinput.md) - [Toggle](reference/arkui-ts/ts-basic-components-toggle.md) - [TextClock](reference/arkui-ts/ts-basic-components-textclock.md) - Container Components - [AlphabetIndexer](reference/arkui-ts/ts-container-alphabet-indexer.md) - [Badge](reference/arkui-ts/ts-container-badge.md) - [Column](reference/arkui-ts/ts-container-column.md) - [ColumnSplit](reference/arkui-ts/ts-container-columnsplit.md) - [Counter](reference/arkui-ts/ts-container-counter.md) - [Flex](reference/arkui-ts/ts-container-flex.md) - [GridContainer](reference/arkui-ts/ts-container-gridcontainer.md) - [Grid](reference/arkui-ts/ts-container-grid.md) - [GridItem](reference/arkui-ts/ts-container-griditem.md) - [List](reference/arkui-ts/ts-container-list.md) - [ListItem](reference/arkui-ts/ts-container-listitem.md) - [Navigator](reference/arkui-ts/ts-container-navigator.md) - [Navigation](reference/arkui-ts/ts-container-navigation.md) - [Panel](reference/arkui-ts/ts-container-panel.md) - [Row](reference/arkui-ts/ts-container-row.md) - [RowSplit](reference/arkui-ts/ts-container-rowsplit.md) - [Scroll](reference/arkui-ts/ts-container-scroll.md) - [ScrollBar](reference/arkui-ts/ts-container-scrollbar.md) - [Stack](reference/arkui-ts/ts-container-stack.md) - [Swiper](reference/arkui-ts/ts-container-swiper.md) - [Tabs](reference/arkui-ts/ts-container-tabs.md) - [TabContent](reference/arkui-ts/ts-container-tabcontent.md) - [Refresh](reference/arkui-ts/ts-container-refresh.md) - Drawing Components - [Circle](reference/arkui-ts/ts-drawing-components-circle.md) - [Ellipse](reference/arkui-ts/ts-drawing-components-ellipse.md) - [Line](reference/arkui-ts/ts-drawing-components-line.md) - [Polyline](reference/arkui-ts/ts-drawing-components-polyline.md) - [Polygon](reference/arkui-ts/ts-drawing-components-polygon.md) - [Path](reference/arkui-ts/ts-drawing-components-path.md) - [Rect](reference/arkui-ts/ts-drawing-components-rect.md) - [Shape](reference/arkui-ts/ts-drawing-components-shape.md) - Canvas Components - [Canvas](reference/arkui-ts/ts-components-canvas-canvas.md) - [CanvasRenderingContext2D](reference/arkui-ts/ts-canvasrenderingcontext2d.md) - [OffscreenCanvasRenderingConxt2D](reference/arkui-ts/ts-offscreencanvasrenderingcontext2d.md) - [Lottie](reference/arkui-ts/ts-components-canvas-lottie.md) - [Path2D](reference/arkui-ts/ts-components-canvas-path2d.md) - [CanvasGradient](reference/arkui-ts/ts-components-canvas-canvasgradient.md) - [ImageBitmap](reference/arkui-ts/ts-components-canvas-imagebitmap.md) - [ImageData](reference/arkui-ts/ts-components-canvas-imagedata.md) - Animation - [Attribute Animation](reference/arkui-ts/ts-animatorproperty.md) - [Explicit Animation](reference/arkui-ts/ts-explicit-animation.md) - Transition Animation - [Page Transition](reference/arkui-ts/ts-page-transition-animation.md) - [Component Transition](reference/arkui-ts/ts-transition-animation-component.md) - [Transition of Shared Elements](reference/arkui-ts/ts-transition-animation-shared-elements.md) - [Motion Path Animation](reference/arkui-ts/ts-motion-path-animation.md) - [Matrix Transformation](reference/arkui-ts/ts-matrix-transformation.md) - [Interpolation Calculation](reference/arkui-ts/ts-interpolation-calculation.md) - Global UI Methods - [Alert Dialog Box](reference/arkui-ts/ts-methods-alert-dialog-box.md) - [Custom Dialog box](reference/arkui-ts/ts-methods-custom-dialog-box.md) - [Image Cache](reference/arkui-ts/ts-methods-image-cache.md) - [Media Query](reference/arkui-ts/ts-methods-media-query.md) - [List Selection Dialog Box](reference/arkui-ts/ts-methods-action-sheet.md) - Appendix - [Built-in Enums](reference/arkui-ts/ts-appendix-enums.md) - APIs - Ability Framework - [FeatureAbility Module](reference/apis/js-apis-featureAbility.md) - [ParticleAbility Module](reference/apis/js-apis-particleAbility.md) - [DataAbilityHelper Module](reference/apis/js-apis-dataAbilityHelper.md) - [DataUriUtils Module](reference/apis/js-apis-DataUriUtils.md) - [Bundle Module](reference/apis/js-apis-Bundle.md) - [Context Module](reference/apis/js-apis-Context.md) - Event Notification - [CommonEvent Module](reference/apis/js-apis-commonEvent.md) - [Notification Module](reference/apis/js-apis-notification.md) - [Reminder Agent](reference/apis/js-apis-reminderAgent.md) - Resource Management - [Resource Manager](reference/apis/js-apis-resource-manager.md) - [Internationalization (intl)](reference/apis/js-apis-intl.md) - [Internationalization (i18n)](reference/apis/js-apis-i18n.md) - Media - [Audio Management](reference/apis/js-apis-audio.md) - [Media](reference/apis/js-apis-media.md) - Security - [User Authentication](reference/apis/js-apis-useriam-userauth.md) - [Access Control](reference/apis/js-apis-abilityAccessCtrl.md) - Data Management - [Lightweight Storage (deprecated since 8)](reference/apis/js-apis-data-storage.md) - [Distributed Data Management](reference/apis/js-apis-distributed-data.md) - [Relational Database](reference/apis/js-apis-data-rdb.md) - [Result Set](reference/apis/js-apis-data-resultset.md) - [DataAbilityPredicates](reference/apis/js-apis-data-ability.md) - [Settings](reference/apis/js-apis-settings.md) - File Management - [File Management](reference/apis/js-apis-fileio.md) - [Statfs](reference/apis/js-apis-statfs.md) - [Environment](reference/apis/js-apis-environment.md) - [Public File Access and Management](reference/apis/js-apis-filemanager.md) - [App Storage Statistics](reference/apis/js-apis-storage-statistics.md) - [Volume Management](reference/apis/js-apis-volumemanager.md) - Account Management - [Distributed Account Management](reference/apis/js-apis-distributed-account.md) - [App Account Management](reference/apis/js-apis-appAccount.md) - Telephony Service - [Call](reference/apis/js-apis-call.md) - [SMS](reference/apis/js-apis-sms.md) - [SIM Management](reference/apis/js-apis-sim.md) - [Radio](reference/apis/js-apis-radio.md) - [observer](reference/apis/js-apis-observer.md) - [Cellular Data](reference/apis/js-apis-telephony-data.md) - Network and Connectivity - [WLAN](reference/apis/js-apis-wifi.md) - [Bluetooth](reference/apis/js-apis-bluetooth.md) - [RPC](reference/apis/js-apis-rpc.md) - Device Management - [Sensor](reference/apis/js-apis-sensor.md) - [Vibrator](reference/apis/js-apis-vibrator.md) - [Brightness](reference/apis/js-apis-brightness.md) - [Battery Info](reference/apis/js-apis-battery-info.md) - [Power Management](reference/apis/js-apis-power.md) - [Thermal Management](reference/apis/js-apis-thermal.md) - [Running Lock](reference/apis/js-apis-runninglock.md) - [Device Info](reference/apis/js-apis-device-info.md) - [systemParameter](reference/apis/js-apis-system-parameter.md) - [Device Management](reference/apis/js-apis-device-manager.md) - [Window](reference/apis/js-apis-window.md) - [Display](reference/apis/js-apis-display.md) - [Update](reference/apis/js-apis-update.md) - [USB](reference/apis/js-apis-usb.md) - [Location](reference/apis/js-apis-geolocation.md) - Basic Features - [Application Context](reference/apis/js-apis-basic-features-app-context.md) - [Console Logs](reference/apis/js-apis-basic-features-logs.md) - [Page Routing](reference/apis/js-apis-basic-features-routes.md) - [Pop-up Window](reference/apis/js-apis-basic-features-pop-up.md) - [Application Configuration](reference/apis/js-apis-basic-features-configuration.md) - [Timer](reference/apis/js-apis-basic-features-timer.md) - [Setting the System Time](reference/apis/js-apis-system-time.md) - [Animation](reference/apis/js-apis-basic-features-animator.md) - [WebGL](reference/apis/js-apis-webgl.md) - [WebGL2](reference/apis/js-apis-webgl2.md) - [Screenshot](reference/apis/js-apis-screenshot.md) - DFX - [HiAppEvent](reference/apis/js-apis-hiappevent.md) - [Performance Tracing](reference/apis/js-apis-hitracemeter.md) - [Fault Logger](reference/apis/js-apis-faultLogger.md) - [Distributed Call Chain Tracing](reference/apis/js-apis-hitracechain.md) - [HiLog](reference/apis/js-apis-hilog.md) - [HiChecker](reference/apis/js-apis-hichecker.md) - [HiDebug](reference/apis/js-apis-hidebug.md) - Language Base Class Library - [Obtaining Process Information](reference/apis/js-apis-process.md) - [URL String Parsing](reference/apis/js-apis-url.md) - [URI String Parsing](reference/apis/js-apis-uri.md) - [Util](reference/apis/js-apis-util.md) - [XML Parsing and Generation](reference/apis/js-apis-xml.md) - [XML-to-JavaScript Conversion](reference/apis/js-apis-convertxml.md) - [Worker Startup](reference/apis/js-apis-worker.md) - [Linear Container ArrayList](reference/apis/js-apis-arraylist.md) - [Linear Container Deque](reference/apis/js-apis-deque.md) - [Linear Container List](reference/apis/js-apis-list.md) - [Linear Container LinkedList](reference/apis/js-apis-linkedlist.md) - [Linear Container Queue](reference/apis/js-apis-queue.md) - [Linear Container Stack](reference/apis/js-apis-stack.md) - [Linear Container Vector](reference/apis/js-apis-vector.md) - [Nonlinear Container HashSet](reference/apis/js-apis-hashset.md) - [Nonlinear Container HashMap](reference/apis/js-apis-hashmap.md) - [Nonlinear Container PlainArray](reference/apis/js-apis-plainarray.md) - [Nonlinear Container TreeMap](reference/apis/js-apis-treemap.md) - [Nonlinear Container TreeSet](reference/apis/js-apis-treeset.md) - [Nonlinear Container LightWeightMap](reference/apis/js-apis-lightweightmap.md) - [Nonlinear Container LightWeightSet](reference/apis/js-apis-lightweightset.md)