In a class PreferenceFragmentCompat. What method is called during onCreate(Bundle) to supply the preferences for this fragment. And where subclasses are expected to call setPreferenceScreen (PreferenceScreen) either directly or via helper methods such as addPreferencesFromResource (int)?
The easiest way of adding menu items (to specify the options menu for an activity) is inflating an XML file into the Menu via MenuInflater. With menu_main.xml we can do it in this way:
In a class PreferenceFragmentCompat. As a convenience, this fragment implements a click listener for any preference in the current hierarchy. So, in what overridden method we can handle that a preference in the tree rooted at this PreferenceScreen has been clicked?
SharedPreferences.Editor is an interface used for modifying values in a SharedPreferences object. All changes you make in an editor are batched, and not copied back to the original SharedPreferences until you call:
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?
What is the incorrect statement about Data Access Object (androidx.room.Dao)?