CMStepCount類在IOS8已經不推薦使用了,IOS8推薦使用CMPedometer類來處理使用者健康和運動資訊.下面是一個小小的demo來演示下,如何使用它,以及一些注意事項.

#import "ViewController.h"
#import <CoreMotion/CoreMotion.h>

@interface ViewController ()

@property (weak, nonatomic) IBOutlet UILabel *stepLabel;
@property(nonatomic,strong) CMPedometer *stepter;
@property (weak, nonatomic) IBOutlet UILabel *totalLabel;

@end

@implementation ViewController

- (void)viewDidLoad {
    [super viewDidLoad];
    
    if(![CMPedometer isStepCountingAvailable])
    {
        NSLog(@"計步器不可用");
        return;
    }
    
    _stepter =[[CMPedometer alloc]init];
    
    NSTimeInterval secondsPerDay =24*60*60;
    NSDate *date =[NSDate date];
    NSDate *yesterDay =[date dateByAddingTimeInterval:-secondsPerDay];
    
    
    [_stepter startPedometerUpdatesFromDate:yesterDay withHandler:^(CMPedometerData * _Nullable pedometerData, NSError * _Nullable error) {
        
        
        if(error)
        {
            NSLog(@"error ==%@",error);
        }else
        {
            NSNumber *steps =pedometerData.numberOfSteps;
            NSNumber *distance =pedometerData.distance;
            
            NSDictionary *dic 
 
[email protected]{
                                 @"steps":steps,
                                 @"distance":distance
                                 };
            
            NSLog(@"過去一天你一共走了%@步,一共%@米",steps,distance);
            
            [self performSelectorOnMainThread:@selector(refreshUI:) withObject:dic waitUntilDone:NO];
            
        }

    }];
    
}

-(void)refreshUI:(NSDictionary *)dic
{
    NSNumber *distance =dic[@"distance"];
    float meters =[distance floatValue];
    
    self.stepLabel.text =[NSString stringWithFormat:@"%@",dic[@"steps"]];
    self.totalLabel.text =[NSString stringWithFormat:@"%.2f",meters];
}

- (void)didReceiveMemoryWarning {
    [super didReceiveMemoryWarning];
    // Dispose of any resources that can be recreated.
}


@end
 

執行結果如下: