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Google Associate Android Developer Practice Test - Questions Answers, Page 4

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Select four different types of app components. (Choose four.)
What statements about InputStreamReader (java.io.InputStreamReader) are correct? (Choose two.)
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
In a class extended PreferenceFragmentCompat. What method is used to inflate the given XML resource and add the preference hierarchy to the current preference hierarchy?
As an example. Our MutableLiveData<Long> object, named mLapseTime, is not connected to a Room database, etc. How can we change the value in mLapseTime?
The Log class allows you to create log messages that appear in logcat. Generally, you could use the following log methods: (Choose five.)
DRAG DROP In a common Paging Library architecture scheme, move instances to the correct positions.
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).
An example. In our ViewModelFactory (that implements ViewModelProvider.Factory) we have an instance of our Repository, named mRepository. Our ViewModel has such constructor: public MyViewModel(MyRepository myRepository)... Next, in our ViewModelFactory create ViewModel method (overriden) looks like this: @NonNull @Override public <T extends ViewModel> T create(@NonNull Class<T> modelClass) { try { //MISSED RETURN VALUE HERE } catch (InstantiationException | IllegalAccessException | NoSuchMethodException | InvocationTargetException e) { throw new RuntimeException("Cannot create an instance of " + modelClass, e); }} What should we write instead of "//MISSED RETURN VALUE HERE"?
If you added to your build.gradle file a room.schemaLocation: android { defaultConfig { javaCompileOptions { annotationProcessorOptions { arguments = ["room.schemaLocation": "$projectDir/schemas".toString()] } } }} Then, you build your app or module. As a result you got a json file, with such path to it: app/schemas/your_app_package/db_package/DbClass/DB_VERSION.json What are the correct statements about this file? (Choose all that apply.)

Question 31

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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 Into you can

A.
examine the object tree for a variable, expand it in the Variables view. If the Variables view is not visible
A.
examine the object tree for a variable, expand it in the Variables view. If the Variables view is not visible
Answers
B.
evaluate an expression at the current execution point
B.
evaluate an expression at the current execution point
Answers
C.
advance to the next line in the code (without entering a method)
C.
advance to the next line in the code (without entering a method)
Answers
D.
advance to the first line inside a method call
D.
advance to the first line inside a method call
Answers
E.
advance to the next line outside the current method
E.
advance to the next line outside the current method
Answers
F.
continue running the app normally
F.
continue running the app normally
Answers
Suggested answer: D
asked 18/09/2024
Ruben Munilla Hernandez
42 questions

Question 32

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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 Evaluate Expression you can

A.
examine the object tree for a variable; expand it in the Variables view
A.
examine the object tree for a variable; expand it in the Variables view
Answers
B.
evaluate an expression at the current execution point
B.
evaluate an expression at the current execution point
Answers
C.
advance to the next line in the code (without entering a method)
C.
advance to the next line in the code (without entering a method)
Answers
D.
advance to the first line inside a method call
D.
advance to the first line inside a method call
Answers
E.
advance to the next line outside the current method
E.
advance to the next line outside the current method
Answers
F.
continue running the app normally
F.
continue running the app normally
Answers
Suggested answer: B
asked 18/09/2024
Tyler Raymond
39 questions

Question 33

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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 Over you can

A.
examine the object tree for a variable; expand it in the Variables view.
A.
examine the object tree for a variable; expand it in the Variables view.
Answers
B.
evaluate an expression at the current execution point
B.
evaluate an expression at the current execution point
Answers
C.
advance to the next line in the code (without entering a method)
C.
advance to the next line in the code (without entering a method)
Answers
D.
advance to the first line inside a method call
D.
advance to the first line inside a method call
Answers
E.
advance to the next line outside the current method
E.
advance to the next line outside the current method
Answers
F.
continue running the app normally
F.
continue running the app normally
Answers
Suggested answer: C
asked 18/09/2024
Francisli Lilles
42 questions

Question 34

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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

A.
examine the object tree for a variable; expand it in the Variables view. If the Variables view is not visible
A.
examine the object tree for a variable; expand it in the Variables view. If the Variables view is not visible
Answers
B.
evaluate an expression at the current execution point
B.
evaluate an expression at the current execution point
Answers
C.
advance to the next line in the code (without entering a method)
C.
advance to the next line in the code (without entering a method)
Answers
D.
advance to the first line inside a method call
D.
advance to the first line inside a method call
Answers
E.
advance to the next line outside the current method
E.
advance to the next line outside the current method
Answers
F.
continue running the app normally
F.
continue running the app normally
Answers
Suggested answer: E
asked 18/09/2024
test testsers
39 questions

Question 35

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The Log class allows you to create log messages that appear in logcat. Generally, you could use the following log methods: (Choose five.)

A.
Log.e(String, String) (error)
A.
Log.e(String, String) (error)
Answers
B.
Log.a(String, String) (all outputs)
B.
Log.a(String, String) (all outputs)
Answers
C.
Log.w(String, String) (warning)
C.
Log.w(String, String) (warning)
Answers
D.
Log.i(String, String) (information)
D.
Log.i(String, String) (information)
Answers
E.
Log.q(String, String) (questions)
E.
Log.q(String, String) (questions)
Answers
F.
Log.d(String, String) (debug)
F.
Log.d(String, String) (debug)
Answers
G.
Log.v(String, String) (verbose)
G.
Log.v(String, String) (verbose)
Answers
Suggested answer: A, C, D, F, G
asked 18/09/2024
Mohamed Mohamed
48 questions

Question 36

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

A.
Display the messages produced by the app code only (the default). Logcat filters the log messages using the PID of the active app.
A.
Display the messages produced by the app code only (the default). Logcat filters the log messages using the PID of the active app.
Answers
B.
Apply no filters. Logcat displays all log messages from the device, regardless of which process you selected.
B.
Apply no filters. Logcat displays all log messages from the device, regardless of which process you selected.
Answers
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.
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.
Answers
Suggested answer: A
asked 18/09/2024
Donald Bell
31 questions

Question 37

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Filter logcat messages. If in the filter menu, a filter option "Edit Filter Configuration"? means:

A.
Display the messages produced by the app code only (the default). Logcat filters the log messages using the PID of the active app.
A.
Display the messages produced by the app code only (the default). Logcat filters the log messages using the PID of the active app.
Answers
B.
Apply no filters. Logcat displays all log messages from the device, regardless of which process you selected.
B.
Apply no filters. Logcat displays all log messages from the device, regardless of which process you selected.
Answers
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.
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.
Answers
Suggested answer: C
asked 18/09/2024
sushma kc
42 questions

Question 38

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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?

A.
when your layout is built entirely in XML rather than runtime and the layout is behaving expectedly.
A.
when your layout is built entirely in XML rather than runtime and the layout is behaving expectedly.
Answers
B.
when your layout is built at runtime rather than entirely in XML and the layout is behaving unexpectedly.
B.
when your layout is built at runtime rather than entirely in XML and the layout is behaving unexpectedly.
Answers
Suggested answer: B
asked 18/09/2024
Mark Josef Delos Santos
32 questions

Question 39

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If you want the Database Inspector to automatically update the data it presents as you interact with your running app, check the Live updates checkbox at the top of the inspector window. While live updates are enabled, what happens with the table in the inspector window?

A.
It is still editable. You can modify data in a table by double-clicking a cell, typing a new value, and pressing Enter.
A.
It is still editable. You can modify data in a table by double-clicking a cell, typing a new value, and pressing Enter.
Answers
B.
It becomes read-only and you cannot modify its values.
B.
It becomes read-only and you cannot modify its values.
Answers
C.
It becomes read-only, but you cannot see its updated values before updating the data by clicking the Refresh table button at the top of the inspector window.
C.
It becomes read-only, but you cannot see its updated values before updating the data by clicking the Refresh table button at the top of the inspector window.
Answers
Suggested answer: B
asked 18/09/2024
HAO KANG SUNG
36 questions

Question 40

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

A.
enable transfer data from the device in usb connection options.
A.
enable transfer data from the device in usb connection options.
Answers
B.
enable debugging in the device developer options.
B.
enable debugging in the device developer options.
Answers
C.
enable connection in bluetooth options.
C.
enable connection in bluetooth options.
Answers
Suggested answer: B
asked 18/09/2024
Kevin Boddy
31 questions
Total 128 questions
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