1# Form Kit<!--form-kit--> 2- [Introduction to Form Kit](formkit-overview.md) 3- Service Widget Development in Stage Model<!--arkts-ui-widget-stage--> 4 - Developing an ArkTS Widget<!--arkts-ui-widget--> 5 - [ArkTS Widget Working Principles](arkts-ui-widget-working-principles.md) 6 - [ArkTS Widget Related Modules](arkts-ui-widget-modules.md) 7 - ArkTS Widget Development<!--arkts-ui-widget-dev--> 8 - [Creating an ArkTS Widget](arkts-ui-widget-creation.md) 9 - [Configuring Widget Configuration Files](arkts-ui-widget-configuration.md) 10 - [Widget Lifecycle Management](arkts-ui-widget-lifecycle.md) 11 - Widget Page Development<!--arkts-ui-widget-page--> 12 - [Widget Page Capability Overview](arkts-ui-widget-page-overview.md) 13 - [Using Animations in the Widget](arkts-ui-widget-page-animation.md) 14 - [Applying Custom Drawing in the Widget](arkts-ui-widget-page-custom-drawing.md) 15 - Widget Event Development<!--arkts-ui-widget-event--> 16 - [Widget Event Capability Overview](arkts-ui-widget-event-overview.md) 17 - [Launching the UIAbility of the Widget Provider Through the router Event](arkts-ui-widget-event-router.md) 18 - [Launching the UIAbility of the Widget Provider in the Background Through the call Event](arkts-ui-widget-event-call.md) 19 - [Updating Widget Content Through the message Event](arkts-ui-widget-event-formextensionability.md) 20 - [Updating Widget Content Through the router or call Event](arkts-ui-widget-event-uiability.md) 21 - Widget Data Interaction<!--arkts-ui-widget-interaction--> 22 - [Updating Widget Content](arkts-ui-widget-interaction-overview.md) 23 - [Interval-based Widget Updates](arkts-ui-widget-update-by-time.md) 24 - [Time-specific Widget Updates](arkts-ui-widget-update-by-time-point.md) 25 <!--Del--> 26 - [Updating Widget Content Through a Proxy](arkts-ui-widget-update-by-proxy.md) 27 - [Conditional Widget Updates](arkts-ui-widget-update-by-conditions.md) 28 - [Updating Widget Content by Widget Host (for System Applications Only)](arkts-ui-widget-content-update.md) 29 <!--DelEnd--> 30 - [Updating Local and Online Images in the Widget](arkts-ui-widget-image-update.md) 31 - [Updating Widget Content by State](arkts-ui-widget-update-by-status.md) 32 - Editing the ArkTS Widget Page 33 - [Overview of ArkTs Widget Page Editing Interaction](arkts-ui-widget-event-formeditextensionability-overview.md) 34 - [Editing and Updating the Widget Content](arkts-ui-widget-event-formeditextensionability.md) 35 <!--Del--> 36 - [Widget Host Development (for System Applications Only)](widget-host-development-guide.md) 37 <!--DelEnd--> 38 - [Developing a JS Widget](js-ui-widget-development.md) 39- [Service Widget Development in FA Model](widget-development-fa.md) 40