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Question: 98 Section 1


If content in a PagedList updates, the PagedListAdapter object receives:


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  1. only one item from PagedList that contains the updated information.

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  2. one or more items from PagedList that contains the updated information.

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  3. a completely new PagedList that contains the updated information.


Answer: C Reference:

https://developer.android.com/topic/libraries/architecture/paging/ui Question: 99 Section 1

Relative positioning is one of the basic building blocks of creating layouts in ConstraintLayout. Constraints allow you to position a given widget relative to another one. What constraints do not exist?


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  1. layout_constraintBottom_toBottomOf

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  2. layout_constraintBaseline_toBaselineOf

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  3. layout_constraintBaseline_toStartOf

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  4. layout_constraintStart_toEndOf


Answer: C Reference:

https://developer.android.com/reference/androidx/constraintlayout/widget/ConstraintLayout Question: 100 Section 1

Which statement is most true about layout_constraintLeft_toRightOf and layout_constraintStart_toEndOf constraints ?


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  1. layout_constraintLeft_toRightOf is equal to layout_constraintStart_toEndOf in any case

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  2. layout_constraintLeft_toRightOf is equal to layout_constraintStart_toEndOf in case if user choose a language that uses right-to-left (RTL) scripts, such as Arabic or Hebrew, for their UI locale

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  3. layout_constraintLeft_toRightOf is equal to layout_constraintStart_toEndOf in case if user choose a language that uses left-to-right (LTR) scripts, such as English or French, for their UI locale

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  4. layout_constraintLeft_toRightOf works with horizontal axes and layout_constraintStart_toEndOf works with vertical axes


Answer: C Reference:

https://developer.android.com/training/basics/supporting-devices/languages Question: 101 Section 1

In application theme style, flag windowNoTitle (<item name="windowNoTitle">) indicates:


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  1. whether this window should have an Action Bar in place of the usual title bar.

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  2. whether there should be no title on this window.

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  3. that this window should not be displayed at all.

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  4. whether this is a floating window.

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  5. whether this Window is responsible for drawing the background for the system bars.


Answer: B Reference:

https://developer.android.com/guide/topics/ui/look-and-feel/themes https://developer.android.com/reference/android/R.styleable.html Question: 102 Section 1

"Set the activity content to an explicit view. This view is placed directly into the activity's view hierarchy. It can itself be a complex view hierarchy." This can be done by calling method:


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  1. findViewById

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  2. setContentView

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  3. setActionBar

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  4. setContentTransitionManager

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  5. setTheme


Answer: B Reference:

https://developer.android.com/training/basics/firstapp/building-ui https://developer.android.com/reference/android/app/Activity Question: 103 Section 1

A content label sometimes depends on information only available at runtime, or the meaning of a View might change over time. For example, a Play button might change to a Pause button during music playback. In these cases, to update the content label at the appropriate time, we can use:


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  1. View#setContentDescription(int contentDescriptionResId)

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  2. View#setContentLabel(int contentDescriptionResId)

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  3. View#setContentDescription(CharSequence contentDescription)

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  4. View#setContentLabel(CharSequence contentDescription)


Answer: C Reference:

https://support.google.com/accessibility/android/answer/7158690?hl=en Question: 104 Section 1

When using an ImageView, ImageButton, CheckBox, or other View that conveys information graphically. What attribute to use to provide a content label for that View?


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  1. android:contentDescription

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  2. android:hint

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  3. android:labelFor


Answer: A Reference:

https://support.google.com/accessibility/android/answer/7158690?hl=en Question: 105 Section 1

When using an EditTexts or editable TextViews, or other editable View. What attribute to use to provide a content label for that View?

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  1. android:contentDescription

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  2. android:hint

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  3. android:labelFor


Answer: B Reference:

https://support.google.com/accessibility/android/answer/7158690?hl=en Question: 106 Section 1

Content labels. What attribute to use to indicate that a View should act as a content label for another View?


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  1. android:contentDescription

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  2. android:hint

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  3. android:labelFor


Answer: C Reference:

https://support.google.com/accessibility/android/answer/7158690?hl=en Question: 107 Section 1

In application theme style, flag windowActionBar (<item name="windowActionBar">) indicates:


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  1. whether the given application component is available to other applications.

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  2. whether action modes should overlay window content when there is not reserved space for their UI (such as an Action Bar).

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  3. whether this window's Action Bar should overlay application content.

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  4. whether this window should have an Action Bar in place of the usual title bar.


Answer: D Reference:

https://developer.android.com/guide/topics/ui/look-and-feel/themes https://developer.android.com/reference/android/R.styleable.html


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