传感器 -UIAccelerometer

// ios 4 之前 UIAccelerometer

// ios 5 <CoreMotion/CoreMotion.h>

#import "ViewController.h"

//#import <CoreMotion/CoreMotion.h>

@interface ViewController ()<UIAccelerometerDelegate>

@end

@implementation ViewController

- (void)viewDidLoad {

[super viewDidLoad];

// UIAccelerometer

// 1. 创建单利对象

UIAccelerometer *accelerpmeter = [UIAccelerometer sharedAccelerometer];

// 2. 设置代理

accelerpmeter.delegate = self;

// 3. 设置采样间隔

accelerpmeter.updateInterval = 1.0 / 20;

}

// 4. 实现代理方法

#pragma mark - UIAccelerometerDelegate

/**

*  只要采集到数据, 就会调用一次(调用频率高)

*

*  @param accelerometer 单利对象

*  @param acceleration  <#acceleration description#>

*/

//- (void)accelerometer:(UIAccelerometer *)accelerometer didAccelerate:(UIAcceleration *)acceleration

//{

//    LogRed(@"%f --- %f --- %f ----%f",acceleration.timestamp, acceleration.x, acceleration.y, acceleration.z);

//}

@end