grifas

override func viewDidLoad() {
  super.viewDidLoad()
  
  // This keep the back button after setting the left title view
  navigationItem.leftItemsSupplementBackButton = true 
}


func setLeftTitleView() {
  let titleLabel = UILabel()

grifas

override func viewWillAppear(_ animated: Bool) {
		super.viewWillAppear(animated)

		initNavigationBar()
	}
	
	override func viewWillDisappear(_ animated: Bool) {
		super.viewWillDisappear(animated)
		
		UIApplication.shared.statusBarStyle = .lightContent

grifas

// String Extension to get based 64 signature to sign google api urls in Swift 3
// FROM https://stackoverflow.com/a/20300625/5965126
extension String {
	
	func signatureBase64(key: String) -> String? {
		if let signature = self.data(using: .utf8) as NSData?, let signingKey = self.decodeURLBase64String(string: key) {
			if let digest = self.hmacSha1(data: signature, key: signingKey) {
				return self.encodeURLBase64Data(data: digest)
			}
		}

bluebanboom

- (NSString *)stringFromTimeInterval:(NSTimeInterval)interval
{
    NSInteger ti = (NSInteger)interval;
    NSInteger seconds = ti % 60;
    NSInteger minutes = (ti / 60) % 60;
    NSInteger hours = (ti / 3600);
    NSString *time = nil;
    if (hours > 0) {
        time = [NSString stringWithFormat:@"%02i:%02i:%02i", hours, minutes, seconds];
    }