WatchConnector
WatchConnector 是一个用于/watch 和手机之间更方便交互的工具。
最小部署目标： iOS 9.0、watchOS 2.0
安装指南：将该内容放入 Podfile
use_frameworks!
target 'PhoneTarget' do
pod 'WatchConnector'
end
target 'WatchExtensionTarget' do
pod 'WatchConnector'
end
别忘了激活 WCSession
// In AppDelegate
func application(_ application: UIApplication, didFinishLaunchingWithOptions launchOptions: [UIApplicationLaunchOptionsKey: Any]?) -> Bool {
WatchConnector.shared.activateSession()
return true
}
// In ExtensionDelegate
func applicationDidFinishLaunching() {
WatchConnector.shared.activateSession()
}从版本 1.0 开始，WatchConnector 使用内部 NotificationCenter 而不是默认的 NotificationCenter。请使用以下方法： -[WatchConnector addObserver:selector:name:]、-[WatchConnector addObserver:]、-[WatchConnector addObserverForName:queue:usingBlock:]、-[WatchConnector removeObserver:selector:name:]。
class SomeViewController: UIViewController { // or InterfaceController
override func viewDidLoad() {
super.viewDidLoad()
let connector = WatchConnector.shared
// broadcast notifications
connector.addObserver(self, selector: #selector(self.applicationContextDidChange(_:)), name: .WCApplicationContextDidChange)
connector.addObserver(self, selector: #selector(self.didReceiveUserInfo(_:)), name: .WCDidReceiveUserInfo)
connector.addObserver(self, selector: #selector(self.sessionReachabilityDidChange(_:)), name: .WCSessionReachabilityDidChange)
connector.addObserver(self, selector: #selector(self.watchStateDidChange(_:)), name: .WCWatchStateDidChange)
if #available(iOS 9.3, *) {
connector.addObserver(self, selector: #selector(self.sessionDidBecomeInactive(_:)), name: .WCSessionDidBecomeInactive)
connector.addObserver(self, selector: #selector(self.sessionDidDeactivate(_:)), name: .WCSessionDidDeactivate)
connector.addObserver(self, selector: #selector(self.sessionActivationDidComplete(_:)), name: .WCSessionActivationDidComplete)
}
connector.addObserver(self, selector: #selector(self.didReceiveFile(_:)), name: .WCDidReceiveFile)
connector.addObserver(self, selector: #selector(self.didFinishFileTransfer(_:)), name: .WCDidFinishFileTransfer)
connector.listenToMessageBlock({ [unowned self] (message: WCMessageType) in
//let someValue = message["SomeKey"] as! SomeType
DispatchQueue.main.async {
// update UI
}
},
withIdentifier: "MessageIdentifier")
connector.listenToReplyMessageBlock({ (message: WCMessageType) -> WCMessageType in
let someValue = message["SomeKey"] ?? ""
return ["SomeKey": someValue]
},
withIdentifier: "SomeReplyMessageIdentifier")
connector.listenToDataBlock({ [unowned self] (data: Data, description: String?) in
let image = UIImage(data: data)
DispatchQueue.main.async {
self.imageView?.image = image
self.title = description
}
},
withIdentifier: "SomeDataIdentifier")
connector.listenToReplyDataBlock({ (data: Data, description: String?) -> Data in
let image = UIImage(named: description!)
return UIImagePNGRepresentation(self.concatenateData(data, withImage: image))
},
withIdentifier: "SomeReplyDataIdentifier")
}
deinit { // Don't forget to remove blocks added in -[Self viewDidLoad]
WatchConnector.shared.removeMessageBlock(with: "MessageIdentifier")
WatchConnector.shared.removeReplyMessageBlock(with: "SomeReplyMessageIdentifier")
WatchConnector.shared.removeDataBlock(with: "SomeDataIdentifier")
WatchConnector.shared.removeReplyDataBlock(with: "SomeReplyDataIdentifier")
WatchConnector.shared.removeObserver(self)
}
@objc func applicationContextDidChange(_ notification: Notification) {
let context = notification.userInfo as! [String: Any]
print(context)
DispatchQueue.main.async {
// update UI with context
}
}
@objc func didReceiveUserInfo(_ notification: Notification) {
let userInfo = notification.userInfo as! [String: Any]
print(userInfo)
DispatchQueue.main.async {
// update UI with user info
}
}
@objc func sessionReachabilityDidChange(_ notification: Notification) {
let userInfo = notification.userInfo as! [String: Any]
let reachable = userInfo[WatchConnector.Keys.sessionReachabilityState] as! Bool
if #available(iOS 9.3, *) {
let activationState = userInfo[WatchConnector.Keys.sessionActivationState] as! WCSessionActivationState
print("activationState =", activationState)
}
DispatchQueue.main.async {
// update UI with stuff
}
print("reachable =", reachable)
}
#if os(iOS)
@objc func watchStateDidChange(_ notification: Notification) {
let userInfo = notification.userInfo as! [String: Any]
let reachable = userInfo[WatchConnector.Keys.sessionReachabilityState] as! Bool
if #available(iOS 9.3, *) {
let activationState = userInfo[WatchConnector.Keys.sessionActivationState] as! WCSessionActivationState
print("activationState =", activationState)
DispatchQueue.main.async {
// update UI with stuff
}
}
print("reachable =", reachable)
}
@objc @available(iOS 9.3, *)
func sessionDidBecomeInactive(_ notification: Notification) {
let userInfo = notification.userInfo as! [String: Any]
let reachable = userInfo[WatchConnector.Keys.sessionReachabilityState] as! Bool
let activationState = userInfo[WatchConnector.Keys.sessionActivationState] as! WCSessionActivationState
print("activationState =", activationState)
print("reachable =", reachable)
DispatchQueue.main.async {
// update UI with stuff
}
}
@objc @available(iOS 9.3, *)
func sessionDidDeactivate(_ notification: Notification) {
let userInfo = notification.userInfo as! [String: Any]
let reachable = userInfo[WatchConnector.Keys.sessionReachabilityState] as! Bool
let activationState = userInfo[WatchConnector.Keys.sessionActivationState] as! WCSessionActivationState
print("activationState =", activationState)
print("reachable =", reachable)
DispatchQueue.main.async {
// update UI with stuff
}
}
@objc @available(iOS 9.3, *)
func sessionActivationDidComplete(_ notification: Notification) {
let userInfo = notification.userInfo as! [String: Any]
let reachable = userInfo[WatchConnector.Keys.sessionReachabilityState] as! Bool
let activationState = userInfo[WatchConnector.Keys.sessionActivationState] as! WCSessionActivationState
print("activationState =", activationState)
print("reachable =", reachable)
if let error = userInfo[NSUnderlyingErrorKey] as? Error {
print("error =", error)
}
DispatchQueue.main.async {
// update UI with stuff
}
}
#endif
@objc func didReceiveFile(_ notification: Notification) {
let userInfo = notification.userInfo as! [String: Any]
let file = userInfo[WatchConnector.Keys.sessionFile] as! WCSessionFile
print("file =", file)
DispatchQueue.main.async {
// update UI with stuff
}
}
@objc func didFinishFileTransfer(_ notification: Notification) {
let userInfo = notification.userInfo as! [String: Any]
let fileTransfer = userInfo[WatchConnector.Keys.sessionFileTransfer] as! WCSessionFileTransfer
print("fileTransfer =", fileTransfer)
if let error = userInfo[NSUnderlyingErrorKey] as? Error {
print("error =", error)
}
DispatchQueue.main.async {
// update UI with stuff
}
}
func sendMessages() {
WatchConnector.shared.sendMessage(["SomeKey": "SomeValue"],
withIdentifier: "MessageIdentifier",
errorBlock: { (error: Error) in
DispatchQueue.main.async {
// show alert
}
WatchConnector.shared.sendMessage(["SomeKey": "SomeValue"],
withIdentifier: "SomeIdentifier",
replyBlock: { (message: WCMessageType) in
// do something with reply message
DispatchQueue.main.async {
// update UI with stuff
}
}, errorBlock: { (error: Error) in
// show alert
})
})
func sendData() {
let someData = Data()
WatchConnector.shared.sendData(someData,
withIdentifier: "DataIdentifier",
description: "SomeDescription",
errorBlock: { (error: Error) in
// show alert
})
WatchConnector.shared.sendData(someData,
withIdentifier: "DataIndentifier",
description: "SomeDescription",
replyBlock: { (data: Data, description: String?) in
// do something with data and description
DispatchQueue.main.async {
// update UI with stuff
}
}, errorBlock: { (error: Error) in
// show alert
})
}
}