#import <UIKit/UIKit.h> @interface BIDViewController : UIViewController<UIAccelerometerDelegate> @property (weak, nonatomic) IBOutlet UILabel *accelerometerLabel; @property (weak, nonatomic) IBOutlet UILabel *gyroscopeLabel; @end
#import "BIDViewController.h" #import <CoreMotion/CoreMotion.h> @interface BIDViewController () @property (strong, nonatomic) CMMotionManager *motionManager; @property (strong, nonatomic) NSOperationQueue *queue; @end @implementation BIDViewController - (NSUInteger)supportedInterfaceOrientations { return UIInterfaceOrientationMaskPortrait; } - (void)viewDidLoad { [super viewDidLoad]; // Do any additional setup after loading the view, typically from a nib. self.motionManager = [[CMMotionManager alloc] init]; self.queue = [[NSOperationQueue alloc] init]; if (self.motionManager.accelerometerAvailable) { self.motionManager.accelerometerUpdateInterval = 1.0 / 10.0; [self.motionManager startAccelerometerUpdatesToQueue:self.queue withHandler: ^(CMAccelerometerData *accelerometerData, NSError *error) { NSString *labelText; labelText = [NSString stringWithFormat: @"Accelerometer\n-----------\nx: %+.2f\ny: %+.2f\nz: %+.2f", accelerometerData.acceleration.x, accelerometerData.acceleration.y, accelerometerData.acceleration.z]; NSLog(@"%@",labelText); }]; } else { self.accelerometerLabel.text = @"This device has no accelerometer."; } if (self.motionManager.gyroAvailable) { self.motionManager.gyroUpdateInterval = 1.0 / 10.0; [self.motionManager startGyroUpdatesToQueue:self.queue withHandler: ^(CMGyroData *gyroData, NSError *error) { NSString *labelText; labelText = [NSString stringWithFormat: @"Gyroscope\n--------\nx: %+.2f\ny: %+.2f\nz: %+.2f", gyroData.rotationRate.x, gyroData.rotationRate.y, gyroData.rotationRate.z]; NSLog(@"%@",labelText); }]; } else { self.gyroscopeLabel.text = @"This device has no gyroscope"; } } @end免责声明：本站发布的内容（图片、视频和文字）以原创、转载和分享为主，文章观点不代表本网站立场，如果涉及侵权请联系站长邮箱：is@yisu.com进行举报，并提供相关证据，一经查实，将立刻删除涉嫌侵权内容。
