Question 1

Select a correct statement about PagedList.

Accepted Answer

A)  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. 
B)  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. 
C)  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. 
A)  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. 
B)  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. 
C)  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.

Question 2

Filter logcat messages. If in the filter menu, a filter option "Show only selected application"? means

Accepted Answer

A)  Display the messages produced by the app code only (the default). Logcat filters the log messages using the PID of the active app. 
B)  Apply no filters. Logcat displays all log messages from the device, regardless of which process you selected. 
C)  Create or modify a custom filter. For example, you could create a filter to view log messages from two apps at the same time. 
A)  Display the messages produced by the app code only (the default). Logcat filters the log messages using the PID of the active app. 
B)  Apply no filters. Logcat displays all log messages from the device, regardless of which process you selected. 
C)  Create or modify a custom filter. For example, you could create a filter to view log messages from two apps at the same time.

Question 3

What method should we use with Notification.Builder to supply a PendingIntent to be sent when the notification is clicked?

Accepted Answer

A)  setContentInfo 
B)  setContentIntent 
C)  setDeleteIntent 
A)  setContentInfo 
B)  setContentIntent 
C)  setDeleteIntent

Question 4

If constant LENGTH_INDEFINITE is used as a parameter for the setDuration method in Snackbar, what will happen?

Accepted Answer

A)  The Snackbar will be displayed for a short period of time. 
B)  The Snackbar will be displayed for a long period of time. 
C)  The Snackbar will be displayed for a very long period of time. 
D)  The Snackbar will be displayed from the time that is shown until either it is dismissed, or another Snackbar is shown. 
E)  The constant LENGTH_INDEFINITE is impossible parameter for the setDuration method in Snackbar 
A)  The Snackbar will be displayed for a short period of time. 
B)  The Snackbar will be displayed for a long period of time. 
C)  The Snackbar will be displayed for a very long period of time. 
D)  The Snackbar will be displayed from the time that is shown until either it is dismissed, or another Snackbar is shown. 
E)  The constant LENGTH_INDEFINITE is impossible parameter for the setDuration method in Snackbar

Question 5

When your code execution reaches the breakpoint, Android Studio pauses execution of your app. You can then use the tools in the Debugger tab to identify the state of the app. With Step Out   you can

Accepted Answer

A)  examine the object tree for a variable; expand it in the Variables view. If the Variables view is not visible 
B)  evaluate an expression at the current execution point 
C)  advance to the next line in the code (without entering a method) 
D)  advance to the first line inside a method call 
E)  advance to the next line outside the current method
F) continue running the app normally 
A)  examine the object tree for a variable; expand it in the Variables view. If the Variables view is not visible 
B)  evaluate an expression at the current execution point 
C)  advance to the next line in the code (without entering a method) 
D)  advance to the first line inside a method call 
E)  advance to the next line outside the current method
F) continue running the app normally

Question 6

LiveData.postValue() and LiveData.setValue() methods have some differences. So if you have a following code executed in the main thread: liveData.postValue("a"); liveData.setValue("b"); What will be the correct statement?

Accepted Answer

A)  The value "b" would be set at first and later the main thread would override it with the value "a". 
B)  The value "a" would be set at first and later the main thread would override it with the value "b". 
C)  The value "b" would be set at first and would not be overridden with the value "a". 
D)  The value "a" would be set at first and would not be overridden with the value "b". 
A)  The value "b" would be set at first and later the main thread would override it with the value "a". 
B)  The value "a" would be set at first and later the main thread would override it with the value "b". 
C)  The value "b" would be set at first and would not be overridden with the value "a". 
D)  The value "a" would be set at first and would not be overridden with the value "b".

Question 7

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

Accepted Answer

A)  whether the given application component is available to other applications. 
B)  whether action modes should overlay window content when there is not reserved space for their UI (such as an Action Bar). 
C)  whether this window's Action Bar should overlay application content. 
D)  whether this window should have an Action Bar in place of the usual title bar. 
A)  whether the given application component is available to other applications. 
B)  whether action modes should overlay window content when there is not reserved space for their UI (such as an Action Bar). 
C)  whether this window's Action Bar should overlay application content. 
D)  whether this window should have an Action Bar in place of the usual title bar.

Question 8

Once your test has obtained a UiObject object, you can call the methods in the UiObject class to perform user interactions on the UI component represented by that object. You can specify such actions as: (Choose four.)

Accepted Answer

A)  click() : Clicks the center of the visible bounds of the UI element. 
B)  touch() : Touch the center of the visible bounds of the UI element. 
C)  dragTo() : Drags this object to arbitrary coordinates. 
D)  moveTo() : Move this object to arbitrary coordinates. 
E)  setText() : Sets the text in an editable field, after clearing the field's content. Conversely, the clearTextField() method clears the existing text in an editable field. F) swipeUp() : Performs the swipe up action on the UiObject. Similarly, the swipeDown() , swipeLeft() , and swipeRight() methods perform corresponding actions. 
A)  click() : Clicks the center of the visible bounds of the UI element. 
B)  touch() : Touch the center of the visible bounds of the UI element. 
C)  dragTo() : Drags this object to arbitrary coordinates. 
D)  moveTo() : Move this object to arbitrary coordinates. 
E)  setText() : Sets the text in an editable field, after clearing the field's content. Conversely, the clearTextField() method clears the existing text in an editable field. F) swipeUp() : Performs the swipe up action on the UiObject. Similarly, the swipeDown() , swipeLeft() , and swipeRight() methods perform corresponding actions.

Question 9

What do you want from Room when you create a DAO method and annotate it with @Delete? Example:
@Dao
Interface MyDao {
@Delete
Fun deleteUsers(vararg users: User)
}

Accepted Answer

A)  Room generates an implementation that inserts all parameters into the database in a single transaction. 
B)  Room modifies a set of entities, given as parameters, in the database. It uses a query that matches against the primary key of each entity. 
C)  Room removes a set of entities, given as parameters, from the database. It uses the primary keys to find the entities to delete. 
A)  Room generates an implementation that inserts all parameters into the database in a single transaction. 
B)  Room modifies a set of entities, given as parameters, in the database. It uses a query that matches against the primary key of each entity. 
C)  Room removes a set of entities, given as parameters, from the database. It uses the primary keys to find the entities to delete.

Question 10

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

Accepted Answer

A)  Color of text (usually same as colorForeground). 
B)  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). 
C)  The color for the status bar. If the color is not opaque, consider setting View.SYSTEM_UI_FLAG_LAYOUT_STABLE and View.SYSTEM_UI_FLAG_LAYOUT_FULLSCREEN. For this to take effect, the window must be drawing the system bar backgrounds with R.attr.windowDrawsSystemBarBackgrounds and the status bar must not have been requested to be translucent with R.attr.windowTranslucentStatus. Corresponds to Window.setStatusBarColor(int). 
D)  The color for the navigation bar. If the color is not opaque, consider setting View.SYSTEM_UI_FLAG_LAYOUT_STABLE and View.SYSTEM_UI_FLAG_LAYOUT_HIDE_NAVIGATION. 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.setNavigationBarColor(int). 
A)  Color of text (usually same as colorForeground). 
B)  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). 
C)  The color for the status bar. If the color is not opaque, consider setting View.SYSTEM_UI_FLAG_LAYOUT_STABLE and View.SYSTEM_UI_FLAG_LAYOUT_FULLSCREEN. For this to take effect, the window must be drawing the system bar backgrounds with R.attr.windowDrawsSystemBarBackgrounds and the status bar must not have been requested to be translucent with R.attr.windowTranslucentStatus. Corresponds to Window.setStatusBarColor(int). 
D)  The color for the navigation bar. If the color is not opaque, consider setting View.SYSTEM_UI_FLAG_LAYOUT_STABLE and View.SYSTEM_UI_FLAG_LAYOUT_HIDE_NAVIGATION. 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.setNavigationBarColor(int).

Question 11

The Testing Pyramid, shown in the Figure, illustrates how your app should include the three categories of tests: small, medium, and large. Small tests are unit tests that :

Accepted Answer

A)  validate your app's behavior one class at a time. 
B)  validate either interactions between levels of the stack within a module, or interactions between related modules. 
C)  validate user journeys spanning multiple modules of your app. 
A)  validate your app's behavior one class at a time. 
B)  validate either interactions between levels of the stack within a module, or interactions between related modules. 
C)  validate user journeys spanning multiple modules of your app.

Question 12

As an example. Our MutableLiveData<Long> object, named mLapseTime , is not connected to a Room database, etc. How can we change the value in ?

Accepted Answer

A)  mLapseTime.postValue("new String") 
B)  mLapseTime.setValue(1000l) 
C)  mLapseTime.changeValue(1000l) 
A)  mLapseTime.postValue("new String") 
B)  mLapseTime.setValue(1000l) 
C)  mLapseTime.changeValue(1000l)

Question 13

For example, we have a file in our assets folder app/src/main/assets/sample_teas.json . To get an I nputStream for reading it, from out Context context, we can try do this:

Accepted Answer

A)  val input = context!!.resources.openRawResource(R.raw.sample_teas) 
B)  val input = context!!.assets.open("sample_teas.json") 
C)  val input = context!!.resources.assets.open("sample_teas.json") 
A)  val input = context!!.resources.openRawResource(R.raw.sample_teas) 
B)  val input = context!!.assets.open("sample_teas.json") 
C)  val input = context!!.resources.assets.open("sample_teas.json")

Question 14

Enable debugging on your device: If you are using the emulator, this is enabled by default. But for a connected device, you need to

Accepted Answer

A)  enable transfer data from the device in usb connection options. 
B)  enable debugging in the device developer options. 
C)  enable connection in bluetooth options. 
A)  enable transfer data from the device in usb connection options. 
B)  enable debugging in the device developer options. 
C)  enable connection in bluetooth options.

Question 15

By adding a RoomDatabase .Callback to the room database builder RoomDatabase.Builder (method addCallback(RoomDatabase.Callback callback) ), we can: (Choose two.)

Accepted Answer

A)  set the database factory 
B)  handle database first time creation 
C)  handle database opening 
D)  disable the main thread query check for Room 
A)  set the database factory 
B)  handle database first time creation 
C)  handle database opening 
D)  disable the main thread query check for Room

Question 16

What public methods are there in android.widget.Toast.Callback? (Choose two.)

Accepted Answer

A)  onDismissed() 
B)  onToastHidden() 
C)  onShown() 
D)  onToastShown() 
E)  onToastCancelled() 
A)  onDismissed() 
B)  onToastHidden() 
C)  onShown() 
D)  onToastShown() 
E)  onToastCancelled()

Question 17

"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:

Accepted Answer

A)  findViewById 
B)  setContentView 
C)  setActionBar 
D)  setContentTransitionManager 
E)  setTheme 
A)  findViewById 
B)  setContentView 
C)  setActionBar 
D)  setContentTransitionManager 
E)  setTheme

Question 18

In a class PreferenceFragmentCompat . What method is called during onCreate(Bundle) to supply the preferences for this fragment. And where subclasses are expected to call setPreferenceScreen(PreferenceScreen) either directly or via helper methods such as addPreferencesFromResource(int) ?

Accepted Answer

A)  onCreateLayoutManager 
B)  onCreatePreferences 
C)  onCreateRecyclerView 
D)  onCreateView 
A)  onCreateLayoutManager 
B)  onCreatePreferences 
C)  onCreateRecyclerView 
D)  onCreateView

Question 19

The Layout Inspector in Android Studio allows you to compare your app layout with design mockups, display a magnified or 3D view of your app, and examine details of its layout at runtime. When this is especially useful?

Accepted Answer

A)  when your layout is built entirely in XML rather than runtime and the layout is behaving expectedly. 
B)  when your layout is built at runtime rather than entirely in XML and the layout is behaving unexpectedly. 
A)  when your layout is built entirely in XML rather than runtime and the layout is behaving expectedly. 
B)  when your layout is built at runtime rather than entirely in XML and the layout is behaving unexpectedly.

Question 20

If you want get a debuggable APK that people can install without adb, in Android Studio you can:

Accepted Answer

A)  Select your debug variant and click Build Bundle(s) / APK(s) > Build APK(s). 
B)  Click the Run button from toolbar 
C)  Select your debug variant and click Analyze APK. 
A)  Select your debug variant and click Build Bundle(s) / APK(s) > Build APK(s). 
B)  Click the Run button from toolbar 
C)  Select your debug variant and click Analyze APK.

Select a correct statement about PagedList.

Filter logcat messages. If in the filter menu, a filter option "Show only selected application"? means

What method should we use with Notification.Builder to supply a PendingIntent to be sent when the notification is clicked?

If constant LENGTH_INDEFINITE is used as a parameter for the setDuration method in Snackbar, what will happen?

When your code execution reaches the breakpoint, Android Studio pauses execution of your app. You can then use the tools in the Debugger tab to identify the state of the app. With Step Out you can

LiveData.postValue() and LiveData.setValue() methods have some differences. So if you have a following code executed in the main thread: liveData.postValue("a"); liveData.setValue("b"); What will be the correct statement?

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

Once your test has obtained a UiObject object, you can call the methods in the UiObject class to perform user interactions on the UI component represented by that object. You can specify such actions as: (Choose four.)

What do you want from Room when you create a DAO method and annotate it with @Delete? Example: @Dao Interface MyDao { @Delete Fun deleteUsers(vararg users: User) }

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

The Testing Pyramid, shown in the Figure, illustrates how your app should include the three categories of tests: small, medium, and large. Small tests are unit tests that :

As an example. Our MutableLiveData<Long> object, named mLapseTime , is not connected to a Room database, etc. How can we change the value in ?

For example, we have a file in our assets folder app/src/main/assets/sample_teas.json . To get an I nputStream for reading it, from out Context context, we can try do this:

Enable debugging on your device: If you are using the emulator, this is enabled by default. But for a connected device, you need to

By adding a RoomDatabase .Callback to the room database builder RoomDatabase.Builder (method addCallback(RoomDatabase.Callback callback) ), we can: (Choose two.)

What public methods are there in android.widget.Toast.Callback? (Choose two.)

"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:

In a class PreferenceFragmentCompat . What method is called during onCreate(Bundle) to supply the preferences for this fragment. And where subclasses are expected to call setPreferenceScreen(PreferenceScreen) either directly or via helper methods such as addPreferencesFromResource(int) ?

The Layout Inspector in Android Studio allows you to compare your app layout with design mockups, display a magnified or 3D view of your app, and examine details of its layout at runtime. When this is especially useful?

If you want get a debuggable APK that people can install without adb, in Android Studio you can:

Google AdWords: Display Advertising

Google AdWords Fundamentals

Associate Android Developer

Associate Cloud Engineer

Cloud Digital Leader

Google Analytics Individual Qualification (IQ)

GSuite

Looker Business Analyst

LookML Developer

Mobile Web Specialist

Professional Cloud Architect on Google Cloud Platform

Professional Cloud Developer

Professional Cloud DevOps Engineer

Professional Cloud Network Engineer

Professional Cloud Security Engineer

Professional Collaboration Engineer

Professional Data Engineer on Google Cloud Platform

Professional Machine Learning Engineer

Filters

Exam 7: Google Analytics Individual Qualification

Select a correct statement about PagedList.

Filter logcat messages. If in the filter menu, a filter option "Show only selected application"? means

What method should we use with Notification.Builder to supply a PendingIntent to be sent when the notification is clicked?

If constant LENGTH_INDEFINITE is used as a parameter for the setDuration method in Snackbar, what will happen?

When your code execution reaches the breakpoint, Android Studio pauses execution of your app. You can then use the tools in the Debugger tab to identify the state of the app. With Step Out you can

LiveData.postValue() and LiveData.setValue() methods have some differences. So if you have a following code executed in the main thread: liveData.postValue("a"); liveData.setValue("b"); What will be the correct statement?

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

Once your test has obtained a UiObject object, you can call the methods in the UiObject class to perform user interactions on the UI component represented by that object. You can specify such actions as: (Choose four.)

What do you want from Room when you create a DAO method and annotate it with @Delete? Example: @Dao Interface MyDao { @Delete Fun deleteUsers(vararg users: User) }

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

The Testing Pyramid, shown in the Figure, illustrates how your app should include the three categories of tests: small, medium, and large. Small tests are unit tests that :

As an example. Our MutableLiveData<Long> object, named mLapseTime , is not connected to a Room database, etc. How can we change the value in ?

For example, we have a file in our assets folder app/src/main/assets/sample_teas.json . To get an I nputStream for reading it, from out Context context, we can try do this:

Enable debugging on your device: If you are using the emulator, this is enabled by default. But for a connected device, you need to

By adding a RoomDatabase .Callback to the room database builder RoomDatabase.Builder (method addCallback(RoomDatabase.Callback callback) ), we can: (Choose two.)

What public methods are there in android.widget.Toast.Callback? (Choose two.)

"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:

In a class PreferenceFragmentCompat . What method is called during onCreate(Bundle) to supply the preferences for this fragment. And where subclasses are expected to call setPreferenceScreen(PreferenceScreen) either directly or via helper methods such as addPreferencesFromResource(int) ?

The Layout Inspector in Android Studio allows you to compare your app layout with design mockups, display a magnified or 3D view of your app, and examine details of its layout at runtime. When this is especially useful?

If you want get a debuggable APK that people can install without adb, in Android Studio you can:

Google AdWords: Display Advertising

Google AdWords Fundamentals

Associate Android Developer

Associate Cloud Engineer

Cloud Digital Leader

Google Analytics Individual Qualification (IQ)

GSuite

Looker Business Analyst

LookML Developer

Mobile Web Specialist

Professional Cloud Architect on Google Cloud Platform

Professional Cloud Developer

Professional Cloud DevOps Engineer

Professional Cloud Network Engineer

Professional Cloud Security Engineer

Professional Collaboration Engineer

Professional Data Engineer on Google Cloud Platform

Professional Machine Learning Engineer

Filters