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Added in API level 11

RemoteViewsService.RemoteViewsFactory

public static interface RemoteViewsService.RemoteViewsFactory

android.widget.RemoteViewsService.RemoteViewsFactory


An interface for an adapter between a remote collection view (ListView, GridView, etc) and the underlying data for that view. The implementor is responsible for making a RemoteView for each item in the data set. This interface is a thin wrapper around Adapter.

See also:

Summary

Public methods

abstract int getCount()

See getCount()

abstract long getItemId(int position)

See getItemId(int).

abstract RemoteViews getLoadingView()

This allows for the use of a custom loading view which appears between the time that getViewAt(int) is called and returns.

abstract RemoteViews getViewAt(int position)

See getView(int, android.view.View, android.view.ViewGroup).

abstract int getViewTypeCount()

See getViewTypeCount().

abstract boolean hasStableIds()

See hasStableIds().

abstract void onCreate()

Called when your factory is first constructed.

abstract void onDataSetChanged()

Called when notifyDataSetChanged() is triggered on the remote adapter.

abstract void onDestroy()

Called when the last RemoteViewsAdapter that is associated with this factory is unbound.

Public methods

getCount

Added in API level 11
int getCount ()

See getCount()

Returns
int Count of items.

getItemId

Added in API level 11
long getItemId (int position)

See getItemId(int).

Parameters
position int: The position of the item within the data set whose row id we want.
Returns
long The id of the item at the specified position.

getLoadingView

Added in API level 11
RemoteViews getLoadingView ()

This allows for the use of a custom loading view which appears between the time that getViewAt(int) is called and returns. If null is returned, a default loading view will be used.

Returns
RemoteViews The RemoteViews representing the desired loading view.

getViewAt

Added in API level 11
RemoteViews getViewAt (int position)

See getView(int, android.view.View, android.view.ViewGroup). Note: expensive tasks can be safely performed synchronously within this method, and a loading view will be displayed in the interim. See getLoadingView().

Parameters
position int: The position of the item within the Factory's data set of the item whose view we want.
Returns
RemoteViews A RemoteViews object corresponding to the data at the specified position.

getViewTypeCount

Added in API level 11
int getViewTypeCount ()

See getViewTypeCount().

Returns
int The number of types of Views that will be returned by this factory.

hasStableIds

Added in API level 11
boolean hasStableIds ()

See hasStableIds().

Returns
boolean True if the same id always refers to the same object.

onCreate

Added in API level 11
void onCreate ()

Called when your factory is first constructed. The same factory may be shared across multiple RemoteViewAdapters depending on the intent passed.

onDataSetChanged

Added in API level 11
void onDataSetChanged ()

Called when notifyDataSetChanged() is triggered on the remote adapter. This allows a RemoteViewsFactory to respond to data changes by updating any internal references. Note: expensive tasks can be safely performed synchronously within this method. In the interim, the old data will be displayed within the widget.

See also:

onDestroy

Added in API level 11
void onDestroy ()

Called when the last RemoteViewsAdapter that is associated with this factory is unbound.

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