malcommac

let address = "1 Infinite Loop, Cupertino (USA)"
LocationManager.shared.reverseAddress(address: address, onSuccess: { foundPlacemark in
    // foundPlacemark is a CLPlacemark object
}) { error in
    // failed to reverse geocoding due to an error          
}


let coordinates = CLLocationCoordinate2DMake(41.890198, 12.492204)
// Use Google service to obtain placemark

malcommac

let coordinates = CLLocationCoordinate2DMake(41.890198, 12.492204)
let request = BeaconManager.shared.monitorGeographicRegion(centeredAt: coordinates, radius: 1400, onEnter: { in
    // on enter in region
}) { in
    // on exit from region
}

malcommac

// MONITOR BEACON FAMILY
let request = BeaconManager.shared.monitorForBeaconFamily(proximityUUID: familyUUID, onRangingBeacons: { beaconsFound in
    // beaconsFound is an array of found beacons ([CLBeacon])
}) { error in
    // something bad happened
}
// Sometimes in the future you may decide to stop observing
request.stop()

// MONITOR BEACON

malcommac

enum Error: ErrorType {
	case Network(message: String?)
	case EmptyData
	case MalformedImage(data: NSData)
	case DuplicateFile(path: String)
	case Generic(message: String)
}

func downloadImage(url: NSURL, in context: TaskContext) -> Task<UIImage> {
	let task = Task<UIImage>(in: context) { (fullfill, reject) -> (Void) in

malcommac

// https://gist.github.com/malcommac/a663796c162995523e6c0871e9a08820
let url = NSURL(string: "http://seeklogo.com/images/S/swift-logo-E9182990F5-seeklogo.com.gif")!
downloadImage(url, in: .Background).then { image in
// Hell yeah! we have our image, already unwrapped!
}.failure { error in
// Something went wrong
}

malcommac

func saveToDisk(name:String, image: UIImage, in context: TaskContext) -> Task<NSURL> {
	let task = Task<NSURL>(in: context) { (fullfill, reject) -> (Void) in
		let filemanager = NSFileManager.defaultManager()
		let documentsPath : AnyObject = NSSearchPathForDirectoriesInDomains(.DocumentDirectory,.UserDomainMask,true).first!
		let fPath = documentsPath.stringByAppendingString("/\(name)") as String
		if(!filemanager.fileExistsAtPath(fPath)) {
			guard let data = UIImagePNGRepresentation(image) else {
				reject(Error.Generic(message: "Cannot convert image"))
				return
			}

malcommac

downloadImage(imgURL, in: .Background).then { image in
		saveToDisk("myImage", image: image, in: .Background) }.then { url in
		print("Image from \(imgURL) is now saved in \(url)")
}

malcommac

fetchUserData().then(downloadAvatar).then(fetchFriendsList).finally(reloadList)

malcommac

// Create a Region in Rome TimeZone with Gregorian Calendar and Italy locale settings
let regionRome = Region(tz: TimeZoneName.europeRome, cal: CalendarName.gregorian, loc: LocaleName.italianItaly)
// Resulting object is DateInRegion which express the current moment in Rome
let dateInRome = DateInRegion(absoluteDate: Date(), in: regionRome)

malcommac

// Create a new DateInRegion which represent the current moment (Date()) in current device's local settings
let now = DateInRegion()