System Services-----Access to Activity Services Getsystemservice

There are many service in the background of Android, they are systemserver open when the system starts, to support the normal operation of the system. The Getsystemservice method is used in the activity to invoke these service, which is an important API for activity. The corresponding object is obtained according to the name passed in, and then converted to the corresponding service object.

The name passed in	The returned object	Description
Window_service	WindowManager	To manage open Windows programs
Layout_inflater_service	Layoutinflater	Gets the view defined in the XML
Activity_service	Activitymanager	Managing the system state of an application
Power_service	Powermanger	Service of power supply
Alarm_service	Alarmmanager	Services for the alarm clock
Notification_service	Notificationmanager	Service for status bar
Keyguard_service	Keyguardmanager	Service for keyboard lock
Location_service	Locationmanager	Location of the service, such as GPS
Search_service	Searchmanager	Search for services
Vebrator_service	Vebrator	Mobile phone Shake Service
Connectivity_service	Connectivity	Network-connected Services
Wifi_service	Wifimanager	Wi-Fi Service
Telephony_service	Teleponymanager	Telephone service

Picture appreciation:

Copyright NOTICE: This article for Bo Master original article, without Bo Master permission not reproduced.

System Services-----access to Activity Services Getsystemservice