LinearLayout Attributes and Behavior

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What attribute of a View object supports defining the text size?

textSize (correct)

layout_width

layout_height

android:id

Which XML layout attribute defines layout parameters appropriate for the ViewGroup?

textSize

layout_width

layout_something (correct)

android:id

Where should the layout resource from the application code be loaded?

In the Activity.onCreate() method implementation (correct)

In any random method inside the Activity class

In a separate utility class

In the View resource XML file

What does 'wrap_content' value for width and height do in Android layouts?

Sizes the view to the dimensions required by its content. Signup and view all the answers

Which class extends ViewGroup.LayoutParams and defines size and position for child views?

ViewGroup Signup and view all the answers

Which method is used to load the layout resource in Android activities?

setContentView() Signup and view all the answers

What is the geometry of a view in Android layouts?

Rectangle Signup and view all the answers

What is the purpose of creating alternative layout resources in Android Studio?

To optimize UI design for certain screen sizes Signup and view all the answers

What is the first step to create a suggested qualifier in Android Studio for layout optimization?

Click the arrow beside the file tab in the default layout Signup and view all the answers

Which method is used to define the layout hierarchy in Android XML files?

Signup and view all the answers

What layout type in Android allows complex layouts to be quickly created without nesting other layout types?

ConstraintLayout Signup and view all the answers

Which class in Android can be used as a layout that subclasses AdapterView to populate views at runtime?

AdapterView Signup and view all the answers

What component acts as a middleman between the data source and AdapterView layout in Android?

Adapter Signup and view all the answers

Which layout type in Android is tightly integrated into the Layout Editor tool of Android Studio?

ConstraintLayout Signup and view all the answers

What are examples of input controls in an Android app's user interface?

SeekBars, ZoomButtons, ToggleButtons, Checkboxes Signup and view all the answers

What type of UI components do Android widgets offer?

View and ViewGroup subclasses Signup and view all the answers

How can a layout be declared in an Android application?

Using XML layout or instantiating layout elements at runtime Signup and view all the answers

What is the purpose of the XML vocabulary provided by Android for layouts?

Quick design of UI layouts with nested elements Signup and view all the answers

What must each layout file in Android contain?

Exactly one root element which is a View or ViewGroup object Signup and view all the answers

Which of the following is NOT a type of layout model provided by Android?

TabLayout Signup and view all the answers

What does getTop() return when invoked on a view?

The Y coordinate of the view Signup and view all the answers

Which layout type is recommended in Android 7 and later?

Constraint Layout Signup and view all the answers

How does LinearLayout align its children?

In a single direction, vertically or horizontally Signup and view all the answers

What is the attribute used to specify the layout direction in LinearLayout?

android:orientation Signup and view all the answers

Why is it recommended to keep the layout hierarchy as shallow as possible?

Shallow hierarchy means faster UI rendering Signup and view all the answers

Which layout supports assigning a weight to individual children using the layout_weight attribute?

LinearLayout Signup and view all the answers

In a vertical list within a LinearLayout, how are the children stacked?

One per row Signup and view all the answers

Which layout allows views to be displayed in relative positions to sibling elements or the parent RelativeLayout area?

RelativeLayout Signup and view all the answers

What attribute can be used to define how each view should be displayed in a ConstraintLayout?

constraint settings Signup and view all the answers

Which layout introduced in Android 7 allows detailed positioning instructions for views?

ConstraintLayout Signup and view all the answers

What is an Android View?

An object that draws something on the screen that the user can interact with Signup and view all the answers

Which type of View is a ViewGroup in Android?

An invisible container holding other View objects Signup and view all the answers

What is the purpose of a ViewGroup in Android app development?

To define the structure for a user interface Signup and view all the answers

In Android, what does a layout do?

Defines the structure for a user interface Signup and view all the answers

Which type of View in Android is responsible for organizing child views?

LinearLayout Signup and view all the answers

What differentiates a ViewGroup from a regular View in Android?

A ViewGroup organizes child views while a regular View does not Signup and view all the answers

What role does a RelativeLayout play in Android app design?

It arranges child views relative to each other or to the parent Signup and view all the answers

Which type of layout in Android allows you to define constraints between different elements?

ConstraintLayout Signup and view all the answers

In Android, what is the main function of ConstraintLayout?

Allows you to define constraints between elements Signup and view all the answers

What does Linear Layout do in Android?

Organizes views linearly Signup and view all the answers

LinearLayout Attributes and Behavior

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Questions and Answers

What attribute of a View object supports defining the text size?

Which XML layout attribute defines layout parameters appropriate for the ViewGroup?

Where should the layout resource from the application code be loaded?

What does 'wrap_content' value for width and height do in Android layouts?

Which class extends ViewGroup.LayoutParams and defines size and position for child views?

Which method is used to load the layout resource in Android activities?

What is the geometry of a view in Android layouts?

What is the purpose of creating alternative layout resources in Android Studio?

What is the first step to create a suggested qualifier in Android Studio for layout optimization?

Which method is used to define the layout hierarchy in Android XML files?

What layout type in Android allows complex layouts to be quickly created without nesting other layout types?

Which class in Android can be used as a layout that subclasses AdapterView to populate views at runtime?

What component acts as a middleman between the data source and AdapterView layout in Android?

Which layout type in Android is tightly integrated into the Layout Editor tool of Android Studio?

What are examples of input controls in an Android app's user interface?

What type of UI components do Android widgets offer?

How can a layout be declared in an Android application?

What is the purpose of the XML vocabulary provided by Android for layouts?

What must each layout file in Android contain?

Which of the following is NOT a type of layout model provided by Android?

What does getTop() return when invoked on a view?

Which layout type is recommended in Android 7 and later?

How does LinearLayout align its children?

What is the attribute used to specify the layout direction in LinearLayout?

Why is it recommended to keep the layout hierarchy as shallow as possible?

Which layout supports assigning a weight to individual children using the layout_weight attribute?

In a vertical list within a LinearLayout, how are the children stacked?

Which layout allows views to be displayed in relative positions to sibling elements or the parent RelativeLayout area?

What attribute can be used to define how each view should be displayed in a ConstraintLayout?

Which layout introduced in Android 7 allows detailed positioning instructions for views?

What is an Android View?

Which type of View is a ViewGroup in Android?

What is the purpose of a ViewGroup in Android app development?

In Android, what does a layout do?

Which type of View in Android is responsible for organizing child views?

What differentiates a ViewGroup from a regular View in Android?

What role does a RelativeLayout play in Android app design?

Which type of layout in Android allows you to define constraints between different elements?

In Android, what is the main function of ConstraintLayout?

What does Linear Layout do in Android?

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