Exam 70-481 Essentials of Developing Windows Store Apps Using HTML5 and JavaScript

Published: October 11, 2012
Languages: English, Chinese (Simplified), French, German, Japanese, Portuguese (Brazil)
Audiences: Developers
Technology: Visual Studio 2012
Credit toward certification: MCP, MCSD

Skills measured
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Design Windows Store apps (20-25%)
Design the UI layout and structure
Evaluate the conceptual design; decide how the UI will be composed; design for the inheritance and re-use of visual elements (e.g., styles, resources); design for accessibility; decide when custom controls are needed; use the Hub App template
Design for separation of concerns
Plan the logical layers of your solution to meet application requirements; design loosely coupled layers; incorporate WinMD components
Design and implement Process Lifetime Management (PLM)
Choose a state management strategy; handle the suspend event (oncheckpoint); prepare for app termination; handle the onactivated event; check the ActivationKind and previous state
Plan for an application deployment
Plan a deployment based on Windows 8 Application certification requirements; prepare an app manifest (capabilities and declarations); sign an app; plan the requirements for an enterprise deployment

Develop Windows Store apps (15-20%)
Access and display contacts
Call the ContactsPicker (windows.applicationmodel.contacts) class; filter which contacts to display; display a set number of contacts; create and modify contact information; select specific contact data
Design for charms and contracts
Choose the appropriate charms based on app requirements; design an application to be charm- and contract-aware; configure the application manifest for correct permissions
Implement search
Provide search suggestions using the SearchPane and SearchBox control class; search and launch other apps; provide and constrain search within an app, including inside and outside of search charm; provide search result previews; implement activation from within search; configure search contracts
Implement Share in an app
Use the DataTransferManager class to share data with other apps; accept sharing requests by implementing activation from within Share; limit the scope of sharing using the DataPackage object; implement in-app Share outside of Share charm; use web links and application links
Manage application settings and preferences
Choose which application features are accessed in AppSettings; add entry points for AppSettings in the Settings window; create settings flyouts using the SettingsFlyout control; add settings options to SettingsFlyout; store and retrieve settings from the roaming app data store
Integrate media features
Support DDS images; implement video playback; implement XVP and DXVA; implement TTS; implement audio and video playback using HTML5 DRM

Create the user interface (20-25%)
Implement WinJS controls
Flipview; flyout; grid layout; list layout; menu object; WebView; item container; repeater
Implement HTML layout controls
Implement layout controls to structure your layout; implement templates and bindings; support scrolling and zooming with CSS3; manage text flow and presentation, including overflow
Create layout-aware apps to handle windowing modes
Use CSS3 media queries to adapt to different devices; respond to changes in orientation; adapt to new windowing modes by using the ViewManagement namespace; manage setting for an apps view
Design and implement the app bar
Determine what to put on the app bar based on app requirements; style and position app bar items; design the placement of controls on the app bar; handle AppBar events
Apply CSS styling
Implement gradients, grid layouts, zooming, scroll snapping, and media queries

Preparation resources
XAML AppBar control sample

Program user interaction (20-25%)
Manage input devices
Capture gesture library events; create custom gesture recognizers; listen to mouse events or touch gestures; manage Stylus input and inking; handle drag and drop events
Design and implement navigation in an app
Handle navigation events, check navigation properties, and call navigation functions by using the WinJS.Navigation namespace; design navigation to meet app requirements; Semantic Zoom; load HTML fragments
Create and manage tiles
Create and update tiles and tile contents; create and update badges (the TileUpdateManager class); respond to notification requests; choose an appropriate tile update schedule based on app requirements
Notify users by using toast
Enable an app for toast notifications; populate toast notifications with images and text by using the ToastUpdateManager; play sounds with toast notifications; respond to toast events; control toast duration; configure and use Azure Mobile Services for push notifications

Preparation resources
Supporting navigation (Windows Store apps using JavaScript and HTML)
Tile and tile notification overview (Windows Store Apps)
Toast notification overview (Windows Store Apps)

Manage security and data (20-25%)
Choose a data access strategy
Choose the appropriate data access strategy (file based; web service; remote storage, including Microsoft Azure storage and Azure Mobile Services) based on requirements
Retrieve data remotely
Use XHR or HttpClient to retrieve web services; set appropriate HTTP verb for REST; handle progress of data requests; consume SOAP/WCF services; use WebSockets for bidirectional communication
Implement data binding
Choose and implement data-bound controls, including WinJS.UI.ListView, to meet requirements; bind data to item templates such as WinJS.Binding.Template; bind data to controls by using data-win-control and data-win-bind; configure an iterator with data-win-options; enable filtering, sorting, and grouping data in the user interface
Manage Windows Authentication and Authorization
Retrieve a user’s roles or claims; store and retrieve credentials by using the PasswordVault class; implement the CredentialPicker class; verify credential existence by using credential locker; store account credentials in app settings
Manage Web Authentication
Use the Windows.Security.Authentication.Web namespace; set up OAuth2 for authentication; CredentialPicker; set up single sign-on (SSO); implement credential roaming; implement the WebAuthenticationBroker class; support proxy authentication for enterprises

Preparation resources
Connecting to web services (Windows Store apps using JavaScript and HTML)
Data binding (Windows Store apps using JavaScript and HTML)
Managing user info (JavaScript)

QUESTION 1
You are preparing to write code that configures a CredentialPicker object. The code should allow
for platinum members to save their user credentials according to business authentication
prerequisites.
Which of the following is the property that should be included in your code?

A. The PreviousCredential property.
B. The AuthenticationProtocol property.
C. The CredentialSaveOption property.
D. The TargetName property.

Answer: C

Explanation:

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QUESTION 2
You are preparing to write code that enforces the technical search capabilities requirements.
Which of the following is a method that should be included in your code?

A. The appendSearchSeparator method.
B. The appendResultSuggestion method.
C. The appendQuerySuggestions(suggestions) method.
D. The appendQuerySuggestion(text) method.

Answer: C

Explanation:

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QUESTION 3
You have been instructed to make sure that customers and visitors are shown in keeping with the
prerequisites. You are preparing to write the necessary code.
Which of the following should be included in your code?

A. The CommitButtonText property of the ContactPicker class.
B. The SelectionMode property of the ContactPicker class.
C. The Email property of the ContactPicker class.
D. The DesiredFields property of the ContactPicker class.

Answer: D

Explanation:

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QUESTION 4
You are preparing to write code to deal with adding and saving annotations according to the
technical product news updates prerequisites.
Which of the following should be included in the code?

A. You should consider making use of the onbeforenavigate navigation member.
B. You should consider making use of the onnavigated navigation member.
C. You should consider making use of the canGoForward navigation member.
D. You should consider making use of the canGoBack navigation member.

Answer: A

Explanation:

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QUESTION 5
You are preparing to write code to satisfy the navigation business requirements.
Which of the following is the function that should be included in your code?

A. The navigate function.
B. The forward function.
C. The back function.
D. The addEventListener function.

Answer: A

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