API specifications
This section provides information on using the
touch UI component and tactile feedback APIs.
- Choice
list API
The Choice list API is used for providing a vertical list of selectable
items. 
 - Generic button API
The Generic button API is used for enabling touch support
for buttons.
 - Stylus pop-up menu API
The Stylus pop-up menu API is used for displaying commands
in a pop-up menu.
 - Tactile feedback client API
The Tactile feedback client API is used for producing tactile
feedback for different touch events.
 - Title
pane touch observer API
The Title pane touch observer API is used for observing when the
title pane has been tapped.
 - Toolbar API
The Toolbar API is used for enabling quick access to functions
by displaying them in a toolbar.
 - Touch
UI utilities API
The Touch UI utilities API is used for detecting long-tap events
and showing an animation for them.