ios 距离传感器

[ios]代码库

[[UIDevice currentDevice] setProximityMonitoringEnabled:YES];

[[NSNotificationCenter defaultCenter] addObserver:self

                                         selector:@selector(sensorStateChange:)

                                             name:@"UIDeviceProximityStateDidChangeNotification"

                                           object:nil];



-(void)sensorStateChange:(NSNotificationCenter *)notification;

{

    if ([[UIDevice currentDevice] proximityState] == YES) {

        NSLog(@"Device is close to user");

        //在此写接近时，要做的操作逻辑代码

    }else{

        NSLog(@"Device is not close to user");

    }

}