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Google Associate Android Developer Practice Test - Questions Answers, Page 12

Question list

List of questions

Question 111

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

Question 112

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

Question 113

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

Question 114

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

Question 115

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In application theme style, value statusBarColor (<item name="android:statusBarColor">) means:

Question 116

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An overridden method onCreateOptionsMenu in an Activity returns boolean value. What does this value mean?

Question 117

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For example, suppose that in a XML file (res/menu/menu_main.xml as an example), where menu items are described, we have such item:

Question 118

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To handle an options menu item click in an activity, we usually should override method named:

Question 119

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Working with Custom View. To define custom attributes, we can add <declare-styleable> resources to our project. It is customary to put these resources into a file:

Question 120

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Working with Custom View. Once you define the custom attributes, you can use them in layout XML files just like built-in attributes. The only difference is that your custom attributes belong to a d

Question 111

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

android:contentDescription

android:hint

android:labelFor

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Question 112

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

whether the given application component is available to other applications.

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

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

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

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Question 113

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 114

In application theme style, flag windowDrawsSystemBarBackgrounds (<item name="android:windowDrawsSystemBarBackgrounds">) 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 115

In application theme style, value statusBarColor (<item name="android:statusBarColor">) means:

Color of text (usually same as colorForeground).

Shows a thin line of the specified color between the navigation bar and the app content.For this to take effect, the window must be drawing the system bar backgrounds with R.attr.windowDrawsSystemBarBackgrounds and the navigation bar must not have been requested to be translucent with R.attr.windowTranslucentNavigation. Corresponds to Window.setNavigationBarDividerColor(int).

The color for the status bar. If the color is not opaque, consider setting View.SYSTEM_UI_FLAG_LAYOUT_STABLE andView.SYSTEM_UI_FLAG_LAYOUT_FULLSCREEN. For this to take effect, the window must be drawing thesystem bar backgrounds with

attr.windowDrawsSystemBarBackgrounds and the status bar must not have been requested to be translucent with R.attr.windowTranslucentStatus.Corresponds to Window.setStatusBarColor(int).

The color for the navigation bar. If the color is not opaque, consider setting View.SYSTEM_UI_FLAG_LAYOUT_STABLE andView.SYSTEM_UI_FLAG_LAYOUT_HIDE_NAVIGATION. For this to take effect, the window must be drawingthe system bar backgrounds with

attr.windowDrawsSystemBarBackgrounds and the navigation bar must not have been requested to be translucent with R.attr.windowTranslucentNavigation.Corresponds to Window.setNavigationBarColor(int).

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Question 116

An overridden method onCreateOptionsMenu in an Activity returns boolean value. What does this value mean?

You must return true for the menu to be displayed; if you return false it will not be shown.

You must return false for the menu to be displayed; if you return true it will not be shown.

You can return any value: the menu will be displayed anyway.

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Question 117

For example, suppose that in a XML file (res/menu/menu_main.xml as an example), where menu items are described, we have such item:

.<itemandroid:id="@+id/action_settings" android:orderInCategory="100"android:title="@string/menu_action_settings" app:showAsAction="never" />

.Attribute "app:showAsAction" shows when and how this item should appear as an action item in the app bar. What value "never" in this attribute means?

Only place this item in the app bar if there is room for it. If there is not room for all the items marked by this value, the items with the lowest orderInCategory values are displayed as actions, and the remaining items are displayed in theoverflow menu.

Also include the title text (defined by android:title) with the action item. You can include this value along with one of the others as a flag set, by separating them with a pipe.

Never place this item in the app bar. Instead, list the item in the app bar's overflow menu.

Always place this item in the app bar. Avoid using this unless it's critical that the item always appear in the action bar. Setting multiple items to always appear as action items can result in them overlapping with other UI in the app bar.

The action view associated with this action item (as declared by android:actionLayout or android:actionViewClass) is collapsible.

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Question 118

To handle an options menu item click in an activity, we usually should override method named:

onKey

onClick

onOptionsItemSelected

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Question 119

Working with Custom View. To define custom attributes, we can add <declare-styleable> resources to our project. It is customary to put these resources into a file:

res/layout/attrs.xml

res/values/attrs.xml

res/raw/attrs.xml

res/xml/attrs.xml

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