iOS distance sensor and shake shake

Source: Internet
Author: User

distance sensor , implemented in the form of registered notifications

#import "ViewController.h"

@interface viewcontroller ()

@end

@implementation Viewcontroller

-(void) viewdidload {

[Super viewdidload];

//1. Open distance sensor

[uidevice currentdevice]. proximitymonitoringenabled=YES;

//2 Registration notification for monitoring

[[nsnotificationcenter defaultcenter]addobserver:self selector:@ Selector(proximitymonitoring) name:uideviceproximitystatedidchangenotification Object:nil];

}

-(void) proximitymonitoring

{

BOOL state=[uidevice currentdevice]. Proximitystate;

if (state) {

NSLog(@ " near ");

}

Else

{

NSLog(@ " far ");

}

}

-(void) Motionbegan: (uieventsubtype) motion withevent: (uievent *) event

{

NSLog(@ " mobile phone comes with , shake phone trigger event ");

}

-(void) motionended: (uieventsubtype) motion withevent: (uievent *) event

{

NSLog(@ " Shake end ");

}

-(void) motioncancelled: (uieventsubtype) motion withevent: (uievent *) Event

{

NSLog(@ " shake is terminated to trigger event ( incoming call )");

}

-(void) Dealloc

{

[[nsnotificationcenter defaultcenter]removeobserver:self];

}

@end

iOS distance sensor and shake shake

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