Developing Windows 8 Style Application With HTML and JavaScript Lino Tadros | Falafel Software

The big picture

The tools are there! Code Editor WYSIGYG designer Interactive mode Animation Smarter Properties Window Simulator Platform window Expression Blend Code editor w/ Intellisense UI Designer Debuggers DOM Explorer Javascript Console Simulator Platform window Visual Studio

Windows Library for JavaScript Web technologies you’re already familiar with Modern patterns for responsive, reliable apps Use interactive design tools Build your apps fast and with high quality Matches the Windows 8 design style Controls for common user experiences Designed for touch as well as traditional input Scales across form factors Make your apps look and feel great

WinJS Helpers for Namespaces, Constructor Definition Promises App Model Navigation Page & User controls Animations Templates Utilities Default CSS Styles Data binding Controls

Promises handle Async

Promise Code

Host Enforcement  Prevents potentially “bad” HTML from getting inserted  Script blocks, iframes, event handlers, etc.  Kicks in when setting strings  innerHTML  outerHTML  setAdjacentHTML  “data-” attributes in general not on the allowed list  WinJS specific ones are ok

Host Enforcement Escape Hatches  Can work around when needed:  toStaticHTML method  Use DOM creation APIs  Use WinJS.Utilities.setInnerHTMLUnsafe  Use msWWA.execUnsafeLocalFunction

Everyday Widgets

Presenting Data List View (ListLayout) ListView (with GridLayout) Flip View

Controls

DataBinding

Commanding Surfaces

Windows 8 Animation Library Contains key Metro style app animations Has the same storyboard values, curves, and even the same API that Windows uses Aligns your app to the Windows 8 personality

Animation Library Scenarios Content enterContent/exitContent Expand/collapse Peek Reveal/Hide UI showEdgeUI/hideEdgeUI showPanel/hidePanel showPopup/hidePopup Navigation enterPage/exitPage Selection Pointer animations Swipe select/swipe deselect Swipe reveal Collections AddItemToList Delete item from list

Basic Tiles Overlays status on top of tile Supports square and wide tiles Number up to 99 or pre-defined glyph: Always legible on top of images Badge

Toast Notifications Toast notifications deliver transient messages outside the context of the app Use toast notifications to get user’s attention immediately User is in control and can permanently turn off toast notifications from your app Allows quick navigation to a contextually relevant location in your app Toast notifications are easy to invoke from your app or from the cloud

Toast Templates Toast notifications use the same template architecture as Live Tiles Rich set of rendering options available

Contracts ShareSettingsSearch App to App PickingPlay To

Search Anatomy 1. Search box is scoped to the main app on screen 2. Query suggestions provided by the main app on screen Autocompletes to terms for which the app has search results 3. List of installed Metro style apps that have implemented the search contract

Search Anatomy 4. Result suggestions provided by the main app on screen Must include a thumbnail and title Indicates a strong or exact match result Takes users directly to the details of the result

Implementing Search

Lino Tadros | Falafel Software