阅读 Android 源码记录，主要是 SystemServer 相关源码
Android
Framework
WifiManager and WifiService
SensorManager and SensorService
PowerManager and PowerManagerService
BatteryService and BatteryStatsService
PackageManager and PackageManagerService
ActivityManager and ActivityManagerService
View
Surfaceflinger
Binder
WindowManager and WindowManagerService — last
AlarmManager and AlarmManagerService
BluetoothManager and BluetoothManagerService
DisplayManager and DisplayManagerService
NotificationManager and NotificationManagerService
StatusBarManager and StatusBarManagerService
WallpaperManager and WallpaperManagerService
ResourceManager and ResourceManagerService