Google Related Exams
Associate-Android-Developer Exam
For example, suppose that in a XML file (res/menu/menu_main.xml as an example), where menu items are described, we have such item:
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android:id="@+id/action_settings" android:orderInCategory="100" android:title="@string/menu_action_settings" app:showAsAction="never" /> ... Attribute “app:showAsAction” shows when and how this item should appear as an action item in the app bar. What value “never” in this attribute means?
As an example. In an Activity we have our TimerViewModel object (extended ViewModel), named mTimerViewModel. mTimerViewModel.timer method returns a LiveData
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: