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Google Associate Android Developer Practice Test - Questions Answers, Page 11

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List of questions

Question 101

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Custom views and directional controller clicks. In general, you should send an AccessibilityEvent whenever the content of your custom view changes. For example, if a text value was changed in your c

Question 102

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Select a correct statement about PagedList.

Question 103

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

Question 104

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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 ex

Question 105

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Which statement is most true about layout_constraintLeft_toRightOf and layout_constraintStart_toEndOf constraints ?

Question 106

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

Question 107

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"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:

Question 108

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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 pl

Question 109

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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?

Question 110

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

Question 101

Custom views and directional controller clicks. In general, you should send an AccessibilityEvent whenever the content of your custom view changes. For example, if a text value was changed in your custom view, you should emit an event of this type:

TYPE_WINDOWS_CHANGED

TYPE_VIEW_CONTEXT_CLICKED

TYPE_WINDOWS_CHANGED

TYPE_VIEW_TEXT_CHANGED

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Question 102

Select a correct statement about PagedList.

PagedList is content-mutable. This means that new content can be loaded into an instance of PagedList and the loaded items themselves can change once loaded.

PagedList is content-immutable. This means that, although new content can be loaded into an instance of PagedList, the loaded items themselves cannot change once loaded.

PagedList is content-accidental. This means that new content can be loaded into an instance of PagedList and the loaded items themselves can be changed to accidental values randomly.

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Question 103

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

only one item from PagedList that contains the updated information.

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

a completely new PagedList that contains the updated information.

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Question 104

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?

layout_constraintBottom_toBottomOf

layout_constraintBaseline_toBaselineOf

layout_constraintBaseline_toStartOf

layout_constraintStart_toEndOf

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Question 105

Which statement is most true about layout_constraintLeft_toRightOf and layout_constraintStart_toEndOf constraints ?

layout_constraintLeft_toRightOf is equal to layout_constraintStart_toEndOf in any case

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

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

layout_constraintLeft_toRightOf works with horizontal axes and layout_constraintStart_toEndOf works with vertical axes

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Question 106

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

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

whether there should be no title on this window.

that this window should not be displayed at all.

whether this is a floating window.

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

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Question 107

"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:

findViewById

setContentView

setActionBar

setContentTransitionManager

setTheme

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Question 108

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:

View#setContentDescription(int contentDescriptionResId)

View#setContentLabel(int contentDescriptionResId)

View#setContentDescription(CharSequence contentDescription)

View#setContentLabel(CharSequence contentDescription)

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Question 109

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?

android:contentDescription

android:hint

android:labelFor

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