Android - Intent Standard Categories

Following table lists down various important Android Intent Standard Categories. You can check Android Official Documentation for a complete list of Categories:

Sr.No	Categories & Description
1	CATEGORY_APP_BROWSER Used with ACTION_MAIN to launch the browser application.
2	CATEGORY_APP_CALCULATOR Used with ACTION_MAIN to launch the calculator application.
3	CATEGORY_APP_CALENDAR Used with ACTION_MAIN to launch the calendar application.
4	CATEGORY_APP_CONTACTS Used with ACTION_MAIN to launch the contacts application.
5	CATEGORY_APP_EMAIL Used with ACTION_MAIN to launch the email application.
6	CATEGORY_APP_GALLERY Used with ACTION_MAIN to launch the gallery application.
7	CATEGORY_APP_MAPS Used with ACTION_MAIN to launch the maps application.
8	CATEGORY_APP_MARKET This activity allows the user to browse and download new applications.
9	CATEGORY_APP_MESSAGING Used with ACTION_MAIN to launch the messaging application.
10	CATEGORY_APP_MUSIC Used with ACTION_MAIN to launch the music application.
11	CATEGORY_BROWSABLE Activities that can be safely invoked from a browser must support this category.
12	CATEGORY_CAR_DOCK An activity to run when device is inserted into a car dock.
13	CATEGORY_CAR_MODE Used to indicate that the activity can be used in a car environment.
14	CATEGORY_DEFAULT Set if the activity should be an option for the default action (center press) to perform on a piece of data.
15	CATEGORY_DESK_DOCK An activity to run when device is inserted into a car dock.
16	CATEGORY_DEVELOPMENT_PREFERENCE This activity is a development preference panel.
17	CATEGORY_EMBED Capable of running inside a parent activity container.
18	CATEGORY_FRAMEWORK_INSTRUMENTATION_TEST To be used as code under test for framework instrumentation tests.
19	CATEGORY_HE_DESK_DOCK An activity to run when device is inserted into a digital (high end) dock.
20	CATEGORY_HOME This is the home activity, that is the first activity that is displayed when the device boots.
21	CATEGORY_INFO Provides information about the package it is in.
22	CATEGORY_LAUNCHER Should be displayed in the top-level launcher.
23	CATEGORY_LE_DESK_DOCK An activity to run when device is inserted into a analog (low end) dock.
24	CATEGORY_MONKEY This activity may be exercised by the monkey or other automated test tools.
25	CATEGORY_OPENABLE Used to indicate that a GET_CONTENT intent only wants URIs that can be opened with ContentResolver.openInputStream.
26	CATEGORY_PREFERENCE This activity is a preference panel.
27	CATEGORY_TAB Intended to be used as a tab inside of a containing TabActivity.
28	CATEGORY_TEST To be used as a test (not part of the normal user experience).
29	CATEGORY_UNIT_TEST To be used as a unit test (run through the Test Harness).

android_intents_filters.htm