QUESTION: 41 Topic: KOTLIN only

To run a debuggable build variant you must use a build variant that includes

minifyEnabled false in the build configuration
debuggable true or debuggable false in the build configuration
debuggable true in the build configuration

Answer(s): C

QUESTION: 42 Topic: KOTLIN only

About running a debuggable build variant. Usually, you can just select the default "debug" variant that's included in every Android Studio project (even though it's not visible in the build.gradle file). But if you define new build types that should be debuggable, you must add ‘debuggable true’ to the build type. Is that mostly true?

Yes.
No, if you define new build types that should be debuggable, you must add ‘debuggable false’
No, the debug variant should be visible in the build.gradle file anyway.

Answer(s): A

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QUESTION: 43 Topic: KOTLIN only

With a room database. When performing queries, you'll often want your app's UI to update automatically when the data changes. Can you use a return value of type LiveData in your query method description to achieve this?

Yes
No

Answer(s): A

Explanation:

Room generates all necessary code to update the LiveData when the database is updated.

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QUESTION: 44 Topic: KOTLIN only

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?

mLapseTime.postValue(“new String”)
mLapseTime.setValue(1000l)
mLapseTime.changeValue(1000l)

Answer(s): B

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Free Associate Android Developer Exam Braindumps (page: 12)

QUESTION: 41 Topic: KOTLIN only

QUESTION: 42 Topic: KOTLIN only

QUESTION: 43 Topic: KOTLIN only

Explanation:

QUESTION: 44 Topic: KOTLIN only

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