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Google Associate-Android-Developer Exam With Confidence Using Practice Dumps

Exam Code:
Associate-Android-Developer
Exam Name:
Google Developers Certification - Associate Android Developer (Kotlin and Java Exam)
Vendor:
Questions:
128
Last Updated:
Jan 26, 2026
Exam Status:
Stable
Google Associate-Android-Developer

Associate-Android-Developer: Google Developers Certification Exam 2025 Study Guide Pdf and Test Engine

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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

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

Question 3

As an example. In an Activity we have our TimerViewModel object (extended ViewModel), named mTimerViewModel. mTimerViewModel.getTimer() 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.getTimer().getValue().toString().observe(new Observer() {

@Override

public void onChanged(Long aLong) {

callAnyChangeUIMethodHere(aLong)

}

});

B.

mTimerViewModel.getTimer().observe(this, new Observer() {

@Override

public void onChanged(Long aLong) {

callAnyChangeUIMethodHere(aLong)

}

});

C.

mTimerViewModel.observe(new Observer() {

@Override

public void onChanged(Long aLong) {

callAnyChangeUIMethodHere(aLong)

}

});