iOS various system notifications name

When a porter, original address: http://blog.csdn.net/db905517804/article/details/50569949

Usage:

-(void) viewwillappear: (BOOL) animated{    object: nil];  }       -(void) appwillenterforegroundnotification{      NSLog (@ "trigger event when would Enter foreground. " );  }  

First, the keyboard
1. uikeyboardwillshownotification-will eject the keyboard
2. uikeyboarddidshownotification-Display keyboard
3, uikeyboardwillhidenotification-will hide the keyboard
4, uikeyboarddidhidenotification-keyboard has been hidden
5. uikeyboardwillchangeframenotification-Keyboard will change frame
6. uikeyboarddidchangeframenotification-Keyboard has changed frame

Second, the window
1, uiwindowdidbecomevisiblenotification-window visible
2, uiwindowdidbecomehiddennotification-window hidden
3, Uiwindowdidbecomekeynotification
4, Uiwindowdidresignkeynotification

Third, program message
1, uiapplicationdidbecomeactivenotification-program is activated from the background
2, uiapplicationdidchangestatusbarframenotification-status bar Frame change
3, uiapplicationdidchangestatusbarorientationnotification-status bar Direction change
4, uiapplicationdidenterbackgroundnotification-into the background
5, uiapplicationdidfinishlaunchingnotification-program loading complete
6, uiapplicationdidreceivememorywarningnotification-Memory Warning
7, uiapplicationprotecteddatadidbecomeavailable
8, Uiapplicationprotecteddatawillbecomeunavailable
9, Uiapplicationsignificanttimechangenotification Important time changes (New Day start or time zone change)
10, uiapplicationwillchangestatusbarorientationnotification-will change the status bar Direction
11, uiapplicationwillchangestatusbarframenotification-will change the status bar frame
12, Uiapplicationwillenterforegroundnotification
13, uiapplicationwillresignactivenotification
14, Uiapplicationwillterminatenotification

Iv. battery, direction, sensor
1, uidevicebatteryleveldidchangenotification//battery charge
2, uidevicebatterystatedidchangenotification//battery status
3, Uideviceorientationdidchangenotification//direction
4, Uideviceproximitystatedidchangenotification//near-distance sensor

Five, audio and video
1, Mpmedialibrarydidchangenotification
2, Mpmusicplayercontrollerplaybackstatedidchangenotification
3, Mpmusicplayercontrollernowplayingitemdidchangenotification
4, Mpmusicplayercontrollervolumedidchangenotification

Vi. Other
1, nsuserdefaultsdidchangenotification user default settings change
2 nscurrentlocaledidchangenotification Localization language changes

iOS various system notifications name