ListItemViewModel

Describes what kind of item the ViewModel populates.

A unique and as stable as possible ID for an item in the list. It is used to compare whether two items are the same after notifying about the data being changed.

Retrieves the DrawableResolver. If it returns null, no image information will be presented in the indicator. If both getStringResolver and getDrawableResolver return a non-null value, the return value of getStringResolver will be adopted by TtScrollBar first.

Retrieves the StringResolver. If it returns null, no text information will be presented in the indicator. If both getStringResolver and getDrawableResolver return a non-null value, the return value of getStringResolver will be adopted by TtScrollBar first.