Question 1

App widgets, also known as widgets, are small apps that are embedded in other apps, called app widget hosts.

Accepted Answer

App widgets are indeed small apps that can be embedded within app widget hosts.

Question 2

The Home screen and the ____________ screen are examples of app widget hosts.

Accepted Answer

Lock

Question 3

It is possible to style a widget with colors.

Accepted Answer

It is possible to style a widget with colors using CSS (Cascading Style Sheets) or other styling options available in the framework or library being used.

Question 4

What method of the RemoteViews class is the equivalent of the setText method of the TextView class?
A) setText
B) setViewText
C) setTextViewText
D) setTextView

Accepted Answer

The setTextViewText method of the RemoteViews class is used to set the text of a TextView within a remote view, similar to the setText method of the TextView class.

Question 5

The minimum time between automatic updates for a widget is 30 minutes.

Accepted Answer

The statement says that the minimum time between automatic updates for a widget is 30 minutes, which means that it cannot be less than that. Therefore, the answer is true, which is represented by option A.

Question 6

What static method of the PendingIntent class can we use to create a PendingIntent?
A) createIntent
B) createPendingIntent
C) makePendingIntent
D) getBroadcast

Accepted Answer

The getBroadcast method of the PendingIntent class is used to create a PendingIntent for a broadcast. This is the most commonly used method for creating a PendingIntent in Android. The other options (createIntent, createPendingIntent, makePendingIntent) are not valid methods in the PendingIntent class.

Question 7

A JSON string can include two data structures: an object and a(n) ____________.

Accepted Answer

The answer of A JSON string can include two data...

Question 8

It is possible to let the user customize a widget based on some user input.

Accepted Answer

With the use of programming, user inputs can be used to allow customization of widgets.

Question 9

What is another name for the Lock screen?
A) Key
B) Guard
C) Keyguard
D) GuardKey

Accepted Answer

The Lock screen is also commonly referred to as the Keyguard, especially in mobile devices. Options A, B, and D are not accurate names for the Lock screen.

Question 10

The AppWidgetProviderInfo includes two constants that correspond to the Home screen and Lock screen widget categories.

Accepted Answer

The AppWidgetProviderInfo includes two constants that correspond to the Home screen and Lock screen widget categories, and they are defined as AppWidgetProviderInfo.WIDGET_CATEGORY_HOME and AppWidgetProviderInfo.WIDGET_CATEGORY_KEYGUARD.

Question 11

To create a widget, we need to extend the ____________ class or the BroadcastReceiver class.

Accepted Answer

The answer of To create a widget, we need to...

Question 12

What is the name of the class that describes the metadata in a widget provider, such as icon and minimum width and height?
A) WidgetInfo
B) AppWidgetInfo
C) AppWidgetProviderInfo
D) ProviderInfo

Accepted Answer

The class that describes the metadata in a widget provider is AppWidgetProviderInfo. This class contains information about the widget provider, such as the widget's icon, label, and minimum width and height. This information is used by the system to display the widget in the launcher and to determine how to place the widget on the screen.

Question 13

To create a widget, we define an AppWidgetProviderInfo object in an XML ____________ located in the res/xml directory.

Accepted Answer

The answer of To create a widget, we define an...

Question 14

The URL class encapsulates a URL.

Accepted Answer

The URL class in Java encapsulates a URL.

Question 15

The openConnection method of the URL class returns a(n) ____________ reference.

Accepted Answer

The answer of The openConnection method of the URL class...

Question 16

The getInputStream method from the URLConnection class returns an InputStream.

Accepted Answer

getInputStream method from the URLConnection class returns an InputStream object.

Question 17

The AsyncTask class, from the android.os package, allows us to perform a task in the ____________.

Accepted Answer

The answer of The AsyncTask class, from the android.os package,...

Question 18

What package contains classes that enable us to create and manage widgets?
A) android.widgets
B) android.appwidget
C) widget.android
D) widget.app

Accepted Answer

The android.appwidget package contains classes such as AppWidgetManager and RemoteViews which enable us to create and manage app widgets in Android. The other options (A, C, D) are not valid package names for widget classes.

Question 19

What method of the AppWidgetProvider class is called when the last widget of a type of widget is deleted from the host screen?
A) onDone
B) onDisabled
C) onUninstalled
D) onDestroyed

Accepted Answer

The onDisabled method is called when the last instance of an App Widget is deleted from the host screen. This method can be used to perform cleanup operations, such as releasing resources or stopping background services associated with the widget. The other options (onDone, onUninstalled, onDestroyed) are not valid methods of the AppWidgetProvider class.

Question 20

What method of the RemoteViews class is the equivalent of the setTextColor method of the TextView class?
A) setColor
B) setTextColor
C) setTextViewTextColor
D) setTextViewColor

Accepted Answer

The setTextColor method is available in both the TextView class and the RemoteViews class, and it is used to set the color of the text in the view. Therefore, the equivalent method in the RemoteViews class is setTextColor as well. The other options (A, C, and D) are not valid methods in the RemoteViews class.

Quiz 14: Making an Android Widget

App widgets, also known as widgets, are small apps that are embedded in other apps, called app widget hosts.

The Home screen and the ____________ screen are examples of app widget hosts.

It is possible to style a widget with colors.

What method of the RemoteViews class is the equivalent of the setText method of the TextView class?

The minimum time between automatic updates for a widget is 30 minutes.

What static method of the PendingIntent class can we use to create a PendingIntent?

A JSON string can include two data structures: an object and a(n) ____________.

It is possible to let the user customize a widget based on some user input.

What is another name for the Lock screen?

The AppWidgetProviderInfo includes two constants that correspond to the Home screen and Lock screen widget categories.

To create a widget, we need to extend the ____________ class or the BroadcastReceiver class.

What is the name of the class that describes the metadata in a widget provider, such as icon and minimum width and height?

To create a widget, we define an AppWidgetProviderInfo object in an XML ____________ located in the res/xml directory.

The URL class encapsulates a URL.

The openConnection method of the URL class returns a(n) ____________ reference.

The getInputStream method from the URLConnection class returns an InputStream.

The AsyncTask class, from the android.os package, allows us to perform a task in the ____________.

What package contains classes that enable us to create and manage widgets?

What method of the AppWidgetProvider class is called when the last widget of a type of widget is deleted from the host screen?

What method of the RemoteViews class is the equivalent of the setTextColor method of the TextView class?