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

SharedPreferences.Editor is an interface used for modifying values in a SharedPreferences object. To mark in the editor that a preference value should be removed, which will be done in the actual preferences once commit() or apply() is called, what method in SharedPreferences.Editor should we use?

Under the hood WorkManager uses an underlying job dispatching service based on the following criteria. You need to move services to the correct places.

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?