系统服务getSystemService

传入的NAME                          返回的对象                       说明

WINDOW_SERVICE                      WindowManager                    窗口管理服务

LAYOUT_INFLATER_SERVICE             LayoutInflater                   填充布局服务

ACTIVITY_SERVICE                    ActivityManager                  应用程序状态的服务

POWER_SERVICE                       PowerManger                      电源的服务

ALARM_SERVICE                       AlarmManager                     闹钟的服务

NOTIFICATION_SERVICE                NotificationManager              通知的服务

KEYGUARD_SERVICE                    KeyguardManager                  键盘锁的服务

LOCATION_SERVICE                    LocationManager                  位置的服务，如GPS

SEARCH_SERVICE                      SearchManager                    搜索的服务

VEBRATOR_SERVICE                    Vebrator                         手机震动的服务

CONNECTIVITY_SERVICE                Connectivity                     网络连接的服务

WIFI_SERVICE                        WifiManager                      Wi-Fi服务

TELEPHONY_SERVICE                   TeleponyManager                  电话服务

INPUT_METHOD_SERVICE                InputMethodManager               输入法服务

ACCOUNT_SERVICE                     AccountManager                   账号服务

STORAGE_SERVICE                     StorageManager                   外部存储管理服务

WALLPAPER_SERVICE                   WallpaperService                 壁纸服务

STATUS_BAR_SERVICE                  StatusBarManager                 状态栏服务

DOWNLOAD_SERVICE                    DownloadManager                  下载服务

以上为常用的系统服务.

举例:

LayoutInflate  layoutInflater=(LayoutInflater) getSystemService(LAYOUT_INFLATER_SERVICE);