Google Glass (Development) 2015

1. If you're having trouble verifying an image path, what should you use?

Answers:

• A browser.

• A file manager.

• A compiler.

• A FileObserver.
2. Requests to the Google Mirror API must be authorized using:

Answers:

• OpenID

• G+ accounts

• Gmail accounts

• OAuth 2.0 credentials
3. Which is the correct URI to request a map on a timeline card?

Answers:

• glass://map

• mirror/v1/render

• map://draw

• GET/mirror/v1/map
4. True or False? For better performance, you can ask the server to send only the fields you really need and get a partial response instead.

Answers:

• False

• True
5. Should “requestCode” match the request code used when starting an image capture intent?

Answers:

• No.

• No, because it will cause a conflict and
destroy the image.

• Yes.

• No. It will cause your video API to
crash.
6. Which of these are NOT supported languages with client libraries for development on the Mirror API?

Answers:

• Python

• All are supported

• Go

• Ruby
7. To prevent reflows as a map image is being rendered, always specify the width and height of the image in the______ tag.

Answers:

• <img>

• <p>

• <a href>

• <section>
8. Creating an APIs project in Google's APIs console allows you to:

Answers:

• Share API management with a team

• All of the above

• Monitor API usage and control API access

• Use Google APIs beyond anonymous limits
9. In the context of Google Glass, what is a URI?

Answers:

• Universal Resource
Identifier.

• United Resource Identity

• Useful Resource Identity

• Universal Rescue Identity
10. To capture an image with the camera application, you would set the call, “startActivityForResult(android.content.Intent, int)” to what?

Answers:

• ACTION_IMAGE_CAPTURE

• IMAGE_YES

• IMAGE

• IMAGE_CAPTURE
11. What is the public final class, “LiveCard” responsible for?

Answers:

• Carrying an object to the timeline.

• It does nothing.

• Letting you create real-time card
sequence.

• Letting you create
active cards and publish them to the timeline.
12. To insert a timeline item, POST a ______ representation of a timeline item to the REST endpoint

Answers:

• JSON

• HTML

• Eclipse

• Java
13. If you were to place two fingers on the touchpad, which public static interface would start reporting?

Answers:

• Fingertools.Listen

• TwoFingersDetected

• Finger.Listener.Express

•
GestureDetector.FingerListener
14. Which is the correct syntax for a public constructor?

Answers:

• public (WindowUtils

• public WindowUtils ()

• WindowUtils (public)

• Utils ()public Window
15. True or False? The two ways to bundle content in the timeline is paging or threading.

Answers:

• False

• True
16. Where can live cards display content from?

Answers:

• From a layout resource only.

• From a secondary background card.

• Either from a layout
resource, or directly from their drawing surface.

• From their drawing source only.
17. How many characters are recommended for menu items?

Answers:

• 20 or more.

• 50 or more.

• 15 or less.

• More than 15.
18. How do you turn on USB debugging for Glass?

Answers:

• Turn on debug > Device Info >
Settings

• Settings: Turn on debug > Device Info

• It cannot be turned on.

• Settings > Device
Info > Turn on debug
19. True or False? You cannot attach a video to a timeline item.

Answers:

• True

• False
20. Who is the GDK's intended audience?

Answers:

• Those comfortable with
Android development.

• People well-versed in Access
programming.

• Those who are experts with word
processors.

• Beginners with no programming
experience.
21. True or False? In production, your notification subscription's callback URL must support SSL.

Answers:

• False

• True
22. Each item in the user's timeline is represented as a "TimelineItem" ______ structure.

Answers:

• SOAP

• JSON

• YAML

• XML
23. “FLAG_DISABLE_HEAD_GESTURES” is a what?

Answers:

• Variable constant.

• Constant variable.

• Variable.

• Constant.
24. What code do you use to disable head gestures when a window is visible?

Answers:

•
getWindow().addFlags(WindowUtils.FLAG_ENABLE_HEAD_GESTURES);

•
(WindowUtils.FLAG_DISABLE_HEAD_GESTURES);

• getWindow().addFlags(WindowUtils);

•
getWindow().addFlags(WindowUtils.FLAG_DISABLE_HEAD_GESTURES);
25. What is the recommended aspect ratio for timeline images?

Answers:

• 12:25

• 3:1

• 30:10

• 16:9
26. The public static interface, “GestureDetector.BaseListener” does what, exactly?

Answers:

• Initiates non-discrete gestures.

• Blocks discrete gestures.

• Interprets discrete
gestures.

• Places the gestures in queue.
27. If specifying an icon when designing a menu, what is the required image size?

Answers:

• 30x10 px

• 150x50px

• 50x50px

• 50x100px
28. When handling authorization requests, the authorization code is a one-time code that your server can exchange for:

Answers:

• A user ID

• An OpenID token

• A sign-in token

• An access token
29. What is the “card” class responsible for?

Answers:

• Introducing the card into the timeline.

• Providing a model for
the card in the timeline.

• Placing a card into the timeline.

• Inserting a card into the timeline.
30. What is the class, “MenuUtils” used for?

Answers:

• It is a collection of elements for Panel
and related classes.

• It is a collection of
extensions for Menu and related classes.

• It is a collection of Menus for Card and
related classes.

• It is a collection of cards for Pictures
and related classes.
31. What is the constant value for the string. “ACTION_VOICE_TRIGGER”?

Answers:

•
VOICE_TRIGGER_com.google.android.glass.action.

•
com.google.android.glass.action.VOICE_TRIGGER

•
glass.action.VOICE_TRIGGERcom.google.android

• App.com.google.android.glass.action
32. Why is it best to manage cards in a background service?

Answers:

• Cards require
long-running ownership to own them the entire time that they are published.

• Cards require multiple owners

• Cards require exponentially increasing
memory

• None of these. It is NOT best to manage
cards in a background service.
33. What does the class VoiceTriggers do?

Answers:

• It deletes apps which insert new items
into the main video menu.

• It allows apps to insert
new items into the main voice menu.

• It allows apps to insert new items into
the main text menu.

• It allows apps to delete new items from
the main voice menu.
34. “THREE_LONG_PRESS” is an example of what?

Answers:

• An extension.

• A movement.

• A trigger.

• A gesture.
35. In the context of Google Glass, what is an intent?

Answers:

• A description of an operation to be
isolated.

• An abstract description
of an operation to be performed.

• An abstract description of a set of
configurations.

• An abstract description of an operation
already performed.
36. What call do you use to capture video with the camera application?

Answers:

• ACTIVATE_VIDEO

• Start_CAMERA

• GO_CAMERA

•
startActivityForResult(android.content.Intent, int)
37. What patterns should be used for the sake of consistency across all Glassware?

Answers:

• TU

• UX

• XU

• UT
38. How is it best to manage live cards?

Answers:

• In a background service.

• With an external program.

• In the foreground.

• In a sandbox.
39. To reduce the bandwidth needed for each request is to enable:

Answers:

• LZ compression

• Gzip compression

• PKZIP compression

• HTTP lossless compression
40. When using a server-side flow when your application needs to access Google APIs on behalf of the user such as when the user is offline, you pass an authorization code that is used to acquire _______ tokens for your server.

Answers:

• an HTTP and JSON

• an access and refresh

• entry

• listen
41. True or False?  If the user deletes an item from their timeline, it's recommended that you delete this content from your systems too.

Answers:

• True

• False
42. To use a built-in menu item, you only need to populate the _____ of each "menuItem."

Answers:

• card_Slide

• menuDo

• get

• action
43. When a user triggers one of your custom menu items, a notification is sent to your service with the ______ populated

Answers:

• application/JSON

• tagMenu.user

• menuItem.id

• iconURL
44. If you have metadata that you want to send along with the data to upload, you can make a single ______ request

Answers:

• multipart/related

• simple/metadata

• uploadType=metadata

• upload/single
45. When an item is being clicked and selected, what will notify you using the listener interfaces from AdapterView?

Answers:

• ViewCardScroll

• CardView

• CardScroll

• CardScrollView
46. Users must enable your contact at the ______ site before they can share timeline items with your contact.

Answers:

• Glassware

• MyGlass

• API

• Notebook
47. When would you create your card with the help of a RemoteViews class?

Answers:

• When your application only requires advanced
widgets and constant updates.

• When your application is broken.

• When your application only requires
standard tools and constant patches.

• When your application
only requires standard widgets and infrequent updates.
48. What is a gesture that “GestureDetector.BaseListener” would be listening for?

Answers:

• TPA

• PAT

• PTA

• TAP
49. What must happen to your card content when direct rendering is enabled?

Answers:

• The card content will
have to be rendered directly onto a surface.

• The card content must be backed up
accordingly.

• The card content will have to be
manually rendered.

• The card content will have to be
rendered directly into a sandbox.
50. A notification from the Mirror API is sent as a POST request to the subscribed endpoint containing a JSON:

Answers:

• Request body

• Tag

• Header request

• Validation code
51. If your firewall does not allow HTTP "PATCH" requests, then do _______ request and set the override header to PATCH, as shown below:

Answers:

• a SSL

• an HTTP "POST"

• an HTTP "PUT"

• an XPath "PATCH"
52. What should the result code match before capturing?

Answers:

• Nothing.

• RESULT

• OK_RESULT

• RESULT_OK
53. To subscribe to notifications in a production environment, you must provide a callback URL with a valid ______ to handle the notification.

Answers:

• SSL certificate

• username

• REST endpoint

• JSON representation
54. How many gestures are recognized per event sequence?

Answers:

• One.

• Two

• Four

• Seven
55. What does the throw, “IllegalArgumentException” mean?

Answers:

• It means that your
target device is missing.

• It is a recursive error.

• It is a system error.

• It means your target program is
malfunctioning.
56. To send updated data only for the specific fields that you’re changing, use the HTTP ______ verb.

Answers:

• "access_grant"

• "UPDATE"

• "PATCH"

• "PARTIAL"
57. What does a page curl in the top right corner of a timeline card denote?

Answers:

• A link to an outside source

• Map directions

• A video card

• A bundle
58. Which is the recommended "uploadType" request parameter for larger files?

Answers:

• "uploadType=media"

•
"uploadType=resumable"

• "uploadType=massive"

• None of these are recommended
59. “CardScrollAdapter” should be used in conjunction with what?

Answers:

• CardScrollView to
implement horizontally scrolling views.

• ViewCard to implement horizontally
scrolling views.

• HorizontalCard to implement vertically
scrolling views.

• ScrollCard to implement horizontally
scrolling views.
60. What three parameters are included to measure a two-finger scroll on the touchpad?

Answers:

• Engagement, delta, and velocity.

• Displacement, gamma, and velocity.

• Displacement, delta, and
velocity.

• Displacement, delta, and friction.
61. True or False? The "Delete" and "Dismiss" menu items are functionally identical

Answers:

• False

• True
62. True or False? You do NOT need to send an authorization token with every request that is marked (AUTHENTICATED)

Answers:

• True

• False
63. Which of the following is a protected method?

Answers:

• dispachProtectEvent

•
dispatchGenericFocusedEvent

• dispachEventProtection

• GenericEvent
64. When rendering a map on a timeline card, how many pixels wide will the following polyline be? polyline=8,ffff0000;47.6,-122.34,47.62,-122.40

Answers:

• 8

• 34

• 6

• 47
65. If you want additional text on a menu item, what public method do you use?

Answers:

• setMethod

• setDescription

• setMenu

• setText
66. What class do CardScrollView's child views come from?

Answers:

• CardScrollMonitor

• CardScrollCreator

• CardScrollAdapter

• CardScrollGenerator
67. What class is recommended for creating CardScrollAdapter's views?

Answers:

• Element.

• Gesture.

• Action.

• Card.
68. When creating a contact, you must specify a displayName and at least one ______, which Glass uses to display the contact information to the user.

Answers:

• nameID

• locationCoord

• imageUrls

• pictureDisplay
69. When working with a fields request parameter, use _____ to select a field "c" nested within "b".

Answers:

• c/b/a

• a/b/c

• c$b$a

• c:b
70. True or False? The subscription proxy provided by Google is one of the most secure options and should be used in a production environment, as well as a development environment.

Answers:

• False

• True
71. What do clients define?

Answers:

• Card contents.

• Client contents.

• Program contents.

• API contents.
72. Paged cards in a bundle all share the same "timelineId" and therefore have the same set of:

Answers:

• Endpoints

• Menu items

• Boundaries

• Threads
73. To use a simple upload, make a POST or PUT request to the method's /upload URI and add the query parameter:

Answers:

• "uploadType=image"

• "upload=simple"

• "typeUpdate=media"

•
"uploadType=media"
74. Which of these are NOT a provided method to design timeline cards with the Mirror API?

Answers:

• Providing text

• Creating your own HTML template

• Using Google's HTML templates

• Use Google's provided
image editor
75. If your application needs a new refresh token it must send a request with the _______ query parameter set to "force".

Answers:

• "approval_prompt"

• "access_grant"

• "Google_auth"

• "glass_script"
76. What does a card scroller display?

Answers:

• A glass-value database.

• A scroller-value database.

• A card-value database.

• A key-value database.
77. Which of these is NOT a valid API method?

Answers:

• delete

• list

• go

• get
78. Your Glassware receives location updates every:

Answers:

• 30 seconds

• 10 minutes

• Hour

• 15 seconds
79. Can the setDescription attribute be written in XML?

Answers:

• Yes.

• Only if the configuration file is edited
accordingly.

• Only in the prior version.

• No.
80. With updates that use the HTTP ______ verb, the request fails if you don't supply required parameters, and it clears previously set data if you don't supply optional parameters.

Answers:

• "POST"

• "PUT"

• "PATCH"

• "REST"