ios 距离传感器和摇一摇

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//距离传感器,以注册通知的形式来实现的

#import "ViewController.h"

@interface ViewController ()

@end

@implementation ViewController

- (void)viewDidLoad {

    [super viewDidLoad];

    //1.开启距离传感器

    [UIDevice currentDevice].proximityMonitoringEnabled=YES;

    //2 注册通知进行监听

    [[NSNotificationCenter defaultCenter]addObserver:self selector:@selector(proximityMonitoring) name:UIDeviceProximityStateDidChangeNotification object:nil];

}

-(void)proximityMonitoring

{

    BOOL state=[UIDevice currentDevice].proximityState;

    if (state) {

        NSLog(@"近");

    }

    else

    {

        NSLog(@"远");

    }

}

-(void)motionBegan:(UIEventSubtype)motion withEvent:(UIEvent *)event

{

    NSLog(@"手机自带,摇动手机触发事件");

}

-(void)motionEnded:(UIEventSubtype)motion withEvent:(UIEvent *)event

{

    NSLog(@"摇动结束");

}

-(void)motionCancelled:(UIEventSubtype)motion withEvent:(UIEvent *)event

{

    NSLog(@"摇动被终止触发事件(来电了)");

}

-(void)dealloc

{

    [[NSNotificationCenter defaultCenter]removeObserver:self];

}

@end

ios 距离传感器和摇一摇

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原文地址：http://www.cnblogs.com/tangranyang/p/4659525.html