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Google Associate Android Developer Practice Test - Questions Answers, Page 13

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Question 121

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We have a custom view that extends android.widget.ProgressBar. Our progress bar is not touchable, focusable, etc.: it just shows progress. Style for our custom progress bar extends "Widget.AppCompat

Question 122

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RecyclerView is a subclass of ViewGroup and is a more resource-efficient way to display scrollable lists. Instead of creating a View for each item that may or may not be visible on the screen, Recyc

Question 123

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Android uses adapters (from the Adapter class) to connect data with View items in a list. There are many different kinds of adapters available, and you can also write custom adapters. To connect dat

Question 124

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DRAG DROP With recommended app architecture. Fill the following diagram, which shows how all the modules usually should interact with one another after designing the app (drag modules to correct pl

Question 125

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DRAG DROP The diagram below shows a basic form of the recommended architecture for apps that use Architecture Components. The architecture consists of a UI controller, a ViewModel that serves LiveD

Question 126

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DRAG DROP Under the hood WorkManager uses an underlying job dispatching service based on the following criteria. You need to move services to the correct places.

Question 127

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DRAG DROP Move the major components of the Android platform to correct places in diagram.

Question 128

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DRAG DROP In a common Paging Library architecture scheme, move instances to the correct positions.

Question 121

We have a custom view that extends android.widget.ProgressBar. Our progress bar is not touchable, focusable, etc.: it just shows progress. Style for our custom progress bar extends "Widget.AppCompat.ProgressBar.Horizontal". An item, named "progressDrawable", in our style, is a xml file . What we usually can see as a main single element in this xml file:

A State List (<selector> element )

A Layer List (<layer-list> element) with items android:id="@+id/progress" and android:id="@+id/background" inside it.

An <ImageView> element with android:id="@+id/progress" identifier

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Question 122

RecyclerView is a subclass of ViewGroup and is a more resource-efficient way to display scrollable lists. Instead of creating a View for each item that may or may not be visible on the screen, RecyclerView:

creates a single list item and reuses it for visible content.

creates an unlimited number of list items and never reuses them

creates a limited number of list items and reuses them for visible content.

creates a single list item and never reuses it

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Question 123

RecyclerView.AdapterDataObserver

RecyclerView.ItemDecoration

RecyclerView.ViewHolder

RecyclerViewAccessibilityDelegate

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Question 124

DRAG DROP

With recommended app architecture. Fill the following diagram, which shows how all the modules usually should interact with one another after designing the app (drag modules to correct places).

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Question 125

DRAG DROP

The diagram below shows a basic form of the recommended architecture for apps that use Architecture Components. The architecture consists of a UI controller, a ViewModel that serves LiveData, a Repository, and a Room database. Drag modules to correct places.

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Question 126

DRAG DROP

Under the hood WorkManager uses an underlying job dispatching service based on the following criteria. You need to move services to the correct places.