ClockView | A ClockView for Android | Android library

#import "ActivityViewController.h"

@interface ActivityViewController ()
@property (weak, nonatomic) IBOutlet UIView *clockView;
@property (weak , nonatomic) NSTimer *timer;


@property (weak, nonatomic) IBOutlet UILabel *hoursLabel;
@property (weak, nonatomic) IBOutlet UILabel *minutesLabel;

@property (weak, nonatomic) IBOutlet UILabel *secondsLabel;

@property (weak, nonatomic) IBOutlet UILabel *miliLabel;




@end




@implementation ActivityViewController



- (void)viewDidLoad {
    [super viewDidLoad];
    
    
}

NSDate *start;

- (IBAction)pause:(UIButton *)sender {
    [self.timer invalidate];
}


-(void)startTimer {
    start = [[NSDate alloc] init];
    
    self.timer = [NSTimer scheduledTimerWithTimeInterval:0.01 target:self selector:@selector(count) userInfo:nil repeats:true];
    
    
    
  
    
    
}

- (IBAction)startCounting:(UIButton *)sender {
    [self startTimer];
}

-(void)count {
    

    NSDate *now = [[NSDate alloc] init];
    
   
    
 
    
    NSTimeInterval interval = [now timeIntervalSinceDate:start];
    self.hoursLabel.text = [NSString stringWithFormat:@"%@", [self hourString:interval]];
    self.minutesLabel.text = [NSString stringWithFormat:@"%@", [self minuteString:interval]];
    self.secondsLabel.text = [NSString stringWithFormat:@"%@", [self secondString:interval]];
    self.miliLabel.text = [NSString stringWithFormat:@"%@", [self miliString:interval]];
        
 
    
}

-(NSString *)hourString:(NSTimeInterval)timeInterval {
    NSInteger interval = timeInterval;
    long hours = (interval / 3600);
    
    return [NSString stringWithFormat:@"%0.2ld", hours];
}

-(NSString *)minuteString:(NSTimeInterval)timeInterval {
    NSInteger interval = timeInterval;
    long minutes = (interval / 60) % 60;
    
    return [NSString stringWithFormat:@"%0.2ld", minutes];
}

-(NSString *)secondString:(NSTimeInterval)timeInterval {
    NSInteger interval = timeInterval;
    long seconds = interval % 60;
    
    return [NSString stringWithFormat:@"%0.2ld", seconds];
}

-(NSString *)miliString:(NSTimeInterval)timeInterval {
 
    NSInteger ms = (fmod(timeInterval, 1) * 100);
    return [NSString stringWithFormat:@"%0.2ld", ms];
}











@end