Distance sensor and shake-shake function

#import "ViewController.h" @interface Viewcontroller () @end @implementation viewcontroller-(void) viewdidload {    [ Super Viewdidload];        Turn on the distance sensor monitor switch    [uidevice currentdevice].proximitymonitoringenabled = YES;    Monitoring Proximitystatedidchange,    [[Nsnotificationcenter defaultcenter]addobserver:self                                            selector: @selector ( Proximitystatedidchange) name:uideviceproximitystatedidchangenotification Object:nil];    } Judging the state of the distance sensor, judging whether it is near or far away-(void) Proximitystatedidchange {        if ([Uidevice currentdevice].proximitystate) {                NSLog (@ "Close");    } else{        NSLog (@ "Away");    }        }

Shake a shake function:

-(void) Motionbegan: (uieventsubtype) Motion withevent: (uievent *) event{

NSLog (@ "Start shaking");

}

-(void) motionended: (uieventsubtype) Motion withevent: (uievent *) event{

NSLog (@ "Stop shaking");


}

Distance sensor and shake-shake function