||Base class for implementing an Activity that is used to help implement an
||An activity is a single, focused thing that the user can do.
||A screen that contains and runs multiple embedded activities.
||Stub activity that launches another activity (and then finishes itself)
based on information in its component's manifest meta-data.
||An activity that displays an expandable list of items by binding to a data
source implementing the ExpandableListAdapter, and exposes event handlers
when the user selects an item.
||Displays a list of all activities which can be performed
for a given intent.
||An activity that displays a list of items by binding to a data source such as
an array or Cursor, and exposes event handlers when the user selects an item.
||Convenience for implementing an activity that will be implemented
purely in native code.
||Shows a hierarchy of
Preference objects as
lists, possibly spanning multiple screens.
||An activity that contains and runs multiple embedded activities or views.