A rich set of Views that can be implemented to
build an app with colorful UI, It includes set of
lists, grid views, input boxes, buttons, and also an
engrafted browser.
A variety of Content Providers that facilitates the
programmers to build the applications which can
access data from other apps , or to share their own
data with other apps.
A Resource Manager that facilitates to provide
access to resources such as strings, and layouts.
A Notification Manager that gives provision to
all applications to display user defined alarms in
the status bar of the app.
An Activity Manager that facilitates the app to
handle the lifecycle of applicat ions and provides a
common navigation to the app [1].