android开发中常用的log 关键字有哪些？

android开发中常用的log 关键字有哪些？

1.windowmanager接收到全局按键

 WindowManager: interceptKeyTq keycode=26 interactive=false keyguardActive=true policyFlags=2000000
 WindowManager: interceptKeyTq keycode=26 interactive=false keyguardActive=true policyFlags=2000000 down =true   // 按下
 WindowManager: interceptKeyTq keycode=26 interactive=true keyguardActive=false policyFlags=22000000
 WindowManager: interceptKeyTq keycode=26 interactive=true keyguardActive=false policyFlags=22000000 down =false // 松开

2.powermanager接收到power键灭屏

PowerManagerService: Going to sleep due to power button

3.亮灭屏

DisplayManagerService: Display device changed state: "内置屏幕", OFF
DisplayManagerService: Display device changed state: "内置屏幕", ON