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Associate-Android-Developer Exam Dumps : Google Developers Certification - Associate Android Developer (Kotlin and Java Exam)

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Google Developers Certification - Associate Android Developer (Kotlin and Java Exam) Questions and Answers

Question 1

As an example. In an Activity we have our TimerViewModel object (extended ViewModel), named mTimerViewModel. mTimerViewModel.timer method returns a LiveData value. What can be a correct way to set an observer to change UI in case if data was changed?

Options:

A.

mTimerViewModel!!.timer.value.toString().observe

(Observer { aLong -> callAnyChangeUIMethodHere(aLong!!) })

B.

mTimerViewModel!!.timer.observe

(this, Observer { aLong -> callAnyChangeUIMethodHere(aLong!!) })

C.

mTimerViewModel.observe

(Observer { aLong -> callAnyChangeUIMethodHere(aLong!!) })

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Question 2

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

Options:

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.

Question 3

Custom views and directional controller clicks. On most devices, clicking a view using a directional controller sends (to the view currently in focus) a KeyEvent with:

Options:

A.

KEYCODE_DPAD_CENTER

B.

KEYCODE_BUTTON_START

C.

KEYCODE_CALL

D.

KEYCODE_BUTTON_SELECT