picker-app/androidx.picker.controller/ViewDataController

ViewDataController

class ViewDataController(strategy: Strategy) : DataController<ViewData> (source)

ViewDataController is responsible for managing the data related to views. It extends DataController and uses a specific strategy to handle data operations.

This controller maintains both the list of AppData objects and the list of ViewData, which represent the underlying data for the views. It provides methods to add, remove, and update these list. Additionally, it supports ordering of the ViewData items.

This also provides method to listen to changes of the ViewData list.

Parameters

strategy

The concrete Strategy used by this controller for the creation and management of different UI ViewData objects.

See also

ViewDataController.addOnDataEventListener

ViewDataController.removeOnDataEventListener

Constructors

ViewDataController

constructor(strategy: Strategy)

Properties

val appDataList: List<AppData>

The immutable copy of list of AppData objects backed by _appDataList

var order: Comparator<ViewData>?

The order of the ViewData list. When set, the list will be re-submitted with the new order.

Functions

fun addAppDataList(list: List<AppData>)

Adds a list of AppData to the current list, filtering out duplicates.

fun getAppData(appInfo: AppInfo): AppData?

Retrieves the AppData associated with the given AppInfo.

fun getViewData(appInfo: AppInfo): ViewData?

Returns the ViewData associated with the given AppInfo.

fun removeAppData(element: AppData)

Removes a single AppData element from the current list.

removeAppDataList

fun removeAppDataList(list: List<AppData>)

Removes a list of AppData from the controller.

fun setAppDataList(mutableAppDataList: MutableList<AppData>)

Sets the list of app data.