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Exam Code: 70-485
Exam Name: Advanced Windows Store App Development Using C#
Certification Provider: Microsoft
Corresponding Certification: MCSD: Windows Store Apps
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QUESTION 31
You need to implement the requirements for the behavior of the main page.
Which code segment should you insert at line MP07?
A. Option A
B. Option B
C. Option C
D. Option D
Answer: A
QUESTION 32
Hotspot Question
You need to meet the business requirements about downloading and uploading.
How should you configure the app? (To answer, select the appropriate options from each dropdown list in the answer area.)
Answer:
QUESTION 33
You need to ensure that the VideoProcessor component can be used by the Windows Store app. What should you do? (Each correct answer presents part of the solution. Choose all that apply.)
A. Add the following attribute to line IP19.
[Windows.Foundation.Metadata.DefaultOverload()]
B. Replace line IP01 with the following line of code.
Static class VideoProcessor
C. Replace line IP09 with the following line of code.
Public VideoProcessor(string videoName, int ID)
D. Add the following attribute to line IP14.
[Windows.Foundation.Metadata.DefaultOverload()]
E. Replace line IP01 with the following line of code.
Public sealed class VideoProcessor
Answer: ACE
QUESTION 34
You need to implement the business requirements for providing information about file uploads and downloads.
Which code segment should you use in the VideoProcessor.es class?
A. Option A
B. Option B
C. Option C
D. Option D
Answer: A
QUESTION 35
You need to implement the requirements for streaming media.
What should you do? (Each correct answer presents part of the solution. Choose all that apply.)
A. Enable access to the Videos Library.
B. Ensure that the app stays in the foreground while media is being streamed.
C. Enable access to the Pictures Library.
D. Register for the SourceRequested event.
E. Enable access to the Music Library.
F. Register for the PlayRequested event.
Answer: AD
Explanation:
From scenario:
Team members must be able to stream video clips to other devices in the vicinity of the team member’s device. The app will not support the streaming of photographs.
D: You can use Play To to stream the audio or video in your application, as well as images, by implementing the Play To contract. To implement the Play To contract in your application, register for the sourceRequested event.
Note:
To register for the sourceRequested event, get a reference to the current PlayToManager by calling the getForCurrentView method.
You can then call addEventHandler on the PlayToManager to associate your event handler with the sourceRequested event. In your event handler, pass the media element from your application to the setSource method of the PlayToSourceRequestedEventArgs object passed to the event handler as shown in the following example.
// Play To Contract
private Windows.Media.PlayTo.PlayToManager ptm = Windows.Media.PlayTo.PlayToManager.GetForCurrentView();
protected override void OnNavigatedTo(NavigationEventArgs e) {
ptm.SourceRequested += sourceRequestHandler;
}
private void sourceRequestHandler(
Etc.
QUESTION 36
You need to implement the behavior requirements for the photo viewer.
Which controls should you create?
A. Create two SemanticZoom controls and one ListView control.
B. Create one SemanticZoom control and one ListView control.
C. Create one ScrollViewer control, one SemanticZoom control, and one GridView control.
D. Create two GridView controls and one SemanticZoom control.
Answer: D
QUESTION 37
You need to implement the photo viewer control to meet the requirements.
What should you do? (Each correct answer presents part of the solution. Choose all that apply.)
A. Add the themes\generic.xaml file to the project and reference it from the control.
B. Create a composite control.
C. Create a user control.
D. Create a custom control.
E. In the constructor of the class, set the value of the DefaultStyleKey to the type of the control.
Answer: CDE
QUESTION 38
Drag and Drop Question
You need to implement the photo viewer page to meet the business requirements.
You have the following code:
Which code snippets should you include in Target 1 and Target 2 to complete the code? (To answer, drag the appropriate code snippets to the correct targets in the answer area. Each code snippet may be used once, more than once, or not at all. You may need to drag the split bar between panes or scroll to view content.)
Answer:
Case Study 2: Geese (QUESTION 39 – QUESTION 55)
Background
You are developing a Windows Store app. The app will allow ornithologists to photograph migrating geese, taking note of the location, heading, and weather conditions at the time each photo is taken.
BusinessRequirements
The app must adhere to the following requirements:
– Create and store photographs of migrating geese.
– Record the location and weather conditions where the photograph was taken.
– Record the heading and time that the photograph was taken.
– Allow the user to display the information on any device that supports the PlayTo feature.
TechnicalRequirements
General:
The app must meet the following technical requirements:
– The app must store images and image metadata in the Pictures Library.
– The metadata logic must be encapsulated within a reusable component named LogicComponentl.
– The metadata logic must be available to Windows Store apps written in Visual Basic, C#, JavaScript, and C++.
Hardware:
– The app requires a device with camera, compass, and GPS features.
– The app requires a device with Internet capabilities.
QUESTION 39
Drag and Drop Question
You need to allow users to capture video instead of photos.
How should you complete the code segment that will replace lines MP03 through MP11? (To answer, drag the appropriate lines of code to the correct location or locations in the answer area. Each code segment may be used once, more than once, or not at all. You may need to drag the split bar between panes or scroll to view content.)
Answer:
Explanation:
http://msdn.microsoft.com/en-us/library/windows/apps/BR241030
QUESTION 40
You need to set the WhiteBalance property for the app.
Which line of code should you insert at line CA10?
A. Option A
B. Option B
C. Option C
D. Option D
Answer: B
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