Repository: insidegui/MultipeerDemo
Branch: master
Commit: 448c29215f59
Files: 17
Total size: 55.5 KB
Directory structure:
gitextract_zvrhyaes/
├── .gitignore
├── LICENSE
├── MultipeerDemo/
│ ├── Bootstrap/
│ │ └── AppDelegate.swift
│ ├── Controllers/
│ │ ├── CSOnboardingViewController.swift
│ │ ├── DemoFlowController.swift
│ │ ├── FloatingPictureViewController.swift
│ │ ├── LoadingOverlayViewController.swift
│ │ ├── UIImage+Orientation.swift
│ │ └── UIViewController+Children.swift
│ ├── Core/
│ │ └── PeerService.swift
│ ├── Resources/
│ │ ├── Assets.xcassets/
│ │ │ └── AppIcon.appiconset/
│ │ │ └── Contents.json
│ │ ├── Base.lproj/
│ │ │ └── LaunchScreen.storyboard
│ │ └── Info.plist
│ └── Views/
│ └── CSBigRoundedButton.swift
├── MultipeerDemo.xcodeproj/
│ ├── project.pbxproj
│ └── xcshareddata/
│ └── xcschemes/
│ └── MultipeerDemo.xcscheme
└── README.md
================================================
FILE CONTENTS
================================================
================================================
FILE: .gitignore
================================================
.DS_Store
__MACOSX
*.pbxuser
!default.pbxuser
*.mode1v3
!default.mode1v3
*.mode2v3
!default.mode2v3
*.perspectivev3
!default.perspectivev3
*.xcworkspace
!default.xcworkspace
xcuserdata
profile
*.moved-aside
DerivedData
.idea/
Crashlytics.sh
generatechangelog.sh
Pods/
Carthage
Provisioning
Crashlytics.sh
================================================
FILE: LICENSE
================================================
Copyright (c) 2017 Guilherme Rambo
Redistribution and use in source and binary forms, with or without
modification, are permitted provided that the following conditions are met:
- Redistributions of source code must retain the above copyright notice, this
list of conditions and the following disclaimer.
- Redistributions in binary form must reproduce the above copyright notice,
this list of conditions and the following disclaimer in the documentation
and/or other materials provided with the distribution.
THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE
FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
================================================
FILE: MultipeerDemo/Bootstrap/AppDelegate.swift
================================================
//
// AppDelegate.swift
// MultipeerDemo
//
// Created by Guilherme Rambo on 23/03/18.
// Copyright © 2018 Guilherme Rambo. All rights reserved.
//
import UIKit
@UIApplicationMain
class AppDelegate: UIResponder, UIApplicationDelegate {
var window: UIWindow?
private lazy var flowController = DemoFlowController()
func application(_ application: UIApplication, didFinishLaunchingWithOptions launchOptions: [UIApplication.LaunchOptionsKey: Any]?) -> Bool {
window = UIWindow()
window?.rootViewController = flowController
window?.makeKeyAndVisible()
return true
}
func applicationWillResignActive(_ application: UIApplication) {
// Sent when the application is about to move from active to inactive state. This can occur for certain types of temporary interruptions (such as an incoming phone call or SMS message) or when the user quits the application and it begins the transition to the background state.
// Use this method to pause ongoing tasks, disable timers, and invalidate graphics rendering callbacks. Games should use this method to pause the game.
}
func applicationDidEnterBackground(_ application: UIApplication) {
// Use this method to release shared resources, save user data, invalidate timers, and store enough application state information to restore your application to its current state in case it is terminated later.
// If your application supports background execution, this method is called instead of applicationWillTerminate: when the user quits.
}
func applicationWillEnterForeground(_ application: UIApplication) {
// Called as part of the transition from the background to the active state; here you can undo many of the changes made on entering the background.
}
func applicationDidBecomeActive(_ application: UIApplication) {
// Restart any tasks that were paused (or not yet started) while the application was inactive. If the application was previously in the background, optionally refresh the user interface.
}
func applicationWillTerminate(_ application: UIApplication) {
// Called when the application is about to terminate. Save data if appropriate. See also applicationDidEnterBackground:.
}
}
================================================
FILE: MultipeerDemo/Controllers/CSOnboardingViewController.swift
================================================
//
// CSOnboardingViewController.swift
// CutenessKit
//
// Created by Guilherme Rambo on 22/02/18.
// Copyright © 2018 Guilherme Rambo. All rights reserved.
//
import UIKit
open class CSOnboardingViewController: UIViewController {
private struct Metrics {
static let buttonSpacing: CGFloat = 14
static let mainSpacing: CGFloat = 130
static let titleFontSize: CGFloat = 50
static let lateralMargin: CGFloat = 30
}
public var buttons: [CSBigRoundedButton] = []
private var buttonActions: [Int: (CSBigRoundedButton) -> Void] = [:]
public var titleFont: UIFont = UIFont.systemFont(ofSize: Metrics.titleFontSize, weight: .bold) {
didSet {
updateTitleLabel()
}
}
public var titleTextColor: UIColor = .white {
didSet {
updateTitleLabel()
}
}
public lazy var titleLabel: UILabel = {
let l = UILabel()
l.textAlignment = .left
l.font = titleFont
l.numberOfLines = 0
l.lineBreakMode = .byWordWrapping
return l
}()
open override var title: String? {
didSet {
updateTitleLabel()
}
}
private func prepareTitleText(with title: String?) -> NSAttributedString? {
guard let text = title else { return nil }
let pStyle = NSMutableParagraphStyle()
pStyle.alignment = titleLabel.textAlignment
pStyle.lineSpacing = -10
let kern: CGFloat = -0.55
let attrs: [NSAttributedString.Key: Any] = [
.font: titleFont,
.kern: kern,
.foregroundColor: titleTextColor,
.paragraphStyle: pStyle
]
return NSAttributedString(string: text, attributes: attrs)
}
private func updateTitleLabel() {
titleLabel.attributedText = prepareTitleText(with: title)
}
@discardableResult func addButton(with title: String, animated: Bool = true, action: @escaping (CSBigRoundedButton) -> Void) -> CSBigRoundedButton {
let button = CSBigRoundedButton(type: .custom)
buttons.append(button)
buttonActions[button.hash] = action
button.addTarget(self, action: #selector(buttonAction), for: .touchUpInside)
button.translatesAutoresizingMaskIntoConstraints = false
button.setTitle(title, for: .normal)
button.backgroundColor = #colorLiteral(red: 0.2549019754, green: 0.2745098174, blue: 0.3019607961, alpha: 1)
button.alpha = 0
self.buttonsStackView.addArrangedSubview(button)
UIView.animate(withDuration: 0.3) {
self.view.layoutIfNeeded()
}
UIView.animate(withDuration: 0.3, delay: 0.25, options: [.beginFromCurrentState, .allowAnimatedContent, .allowUserInteraction], animations: {
button.alpha = 1
}, completion: nil)
return button
}
@objc private func buttonAction(_ sender: CSBigRoundedButton) {
buttonActions[sender.hash]?(sender)
}
public lazy var buttonsStackView: UIStackView = {
let v = UIStackView(arrangedSubviews: [])
v.axis = .vertical
v.spacing = Metrics.buttonSpacing
return v
}()
public lazy var mainStackView: UIStackView = {
let v = UIStackView(arrangedSubviews: [self.titleLabel, self.buttonsStackView])
v.axis = .vertical
v.spacing = Metrics.mainSpacing
v.translatesAutoresizingMaskIntoConstraints = false
return v
}()
open override func viewDidLoad() {
super.viewDidLoad()
view.backgroundColor = #colorLiteral(red: 0, green: 0, blue: 0, alpha: 1)
view.addSubview(mainStackView)
mainStackView.centerYAnchor.constraint(equalTo: view.centerYAnchor).isActive = true
mainStackView.leadingAnchor.constraint(equalTo: view.leadingAnchor, constant: Metrics.lateralMargin).isActive = true
mainStackView.trailingAnchor.constraint(equalTo: view.trailingAnchor, constant: -Metrics.lateralMargin).isActive = true
}
}
================================================
FILE: MultipeerDemo/Controllers/DemoFlowController.swift
================================================
//
// DemoFlowController.swift
// MultipeerDemo
//
// Created by Guilherme Rambo on 23/03/18.
// Copyright © 2018 Guilherme Rambo. All rights reserved.
//
import UIKit
import MobileCoreServices
class DemoFlowController: UIViewController {
private var isInDemoMode: Bool {
return UserDefaults.standard.bool(forKey: "DemoMode")
}
private lazy var homeViewController: CSOnboardingViewController = {
let c = CSOnboardingViewController()
c.title = "Devices"
return c
}()
private lazy var peerService: PeerService = {
let s = PeerService()
s.didFindDevice = { [weak self] deviceName in
self?.homeViewController.addButton(with: deviceName, action: { button in
self?.didTapDeviceButton(button, for: deviceName)
})
}
s.didReceiveFile = { [weak self] url in
self?.didReceiveImage(at: url)
}
return s
}()
override func viewDidLoad() {
super.viewDidLoad()
installChild(homeViewController)
if isInDemoMode {
DispatchQueue.main.asyncAfter(deadline: .now() + 2) {
self.homeViewController.addButton(with: "iPhone X Rambo", action: { [weak self] button in
self?.didTapDeviceButton(button)
})
}
DispatchQueue.main.asyncAfter(deadline: .now() + 3) {
self.homeViewController.addButton(with: "iPhone 6S", action: { [weak self] button in
self?.didTapDeviceButton(button)
})
}
}
}
override func viewDidAppear(_ animated: Bool) {
super.viewDidAppear(animated)
peerService.startAdvertising()
peerService.startListening()
}
private func didTapDeviceButton(_ button: CSBigRoundedButton, for device: String = "") {
guard !isInDemoMode else {
runDemoUpload(for: button)
return
}
transitionIntoConnectingState(for: button)
peerService.didConnectToDevice = { [weak self] _ in
self?.showPhotoPicker()
}
peerService.connectToDevice(named: device)
}
private lazy var photoPickerController: UIImagePickerController = {
let c = UIImagePickerController()
c.mediaTypes = [kUTTypeImage as String]
c.delegate = self
return c
}()
private func showPhotoPicker() {
present(photoPickerController, animated: true, completion: nil)
}
private func runDemoUpload(for button: CSBigRoundedButton) {
DispatchQueue.main.asyncAfter(deadline: .now() + 0.3, execute: {
self.transitionIntoConnectingState(for: button)
DispatchQueue.main.asyncAfter(deadline: .now() + 1, execute: {
self.transitionIntoUploadingState()
DispatchQueue.main.asyncAfter(deadline: .now() + 2, execute: {
self.transitionIntoSuccessState()
})
})
})
}
private lazy var loadingController = LoadingOverlayViewController()
private func transitionIntoConnectingState(for button: CSBigRoundedButton) {
loadingController = LoadingOverlayViewController()
loadingController.title = "Connecting"
installChild(loadingController)
loadingController.animateIn()
}
private func transitionIntoUploadingState() {
loadingController.title = "Uploading"
}
private lazy var feedbackGenerator: UINotificationFeedbackGenerator = {
return UINotificationFeedbackGenerator()
}()
private func transitionIntoSuccessState() {
loadingController.hideSpinner()
loadingController.title = "Done!"
feedbackGenerator.notificationOccurred(.success)
DispatchQueue.main.asyncAfter(deadline: .now() + 1) {
self.hideOverlayLoading()
}
}
private func hideOverlayLoading() {
loadingController.animateOut()
}
private func didFinishUpload(with error: Error?) {
NSLog("Did finish upload. Error: \(String(describing: error))")
if let error = error {
loadingController.title = error.localizedDescription
DispatchQueue.main.asyncAfter(deadline: .now() + 2, execute: {
self.hideOverlayLoading()
})
} else {
transitionIntoSuccessState()
}
}
private lazy var receivedImageController = FloatingPictureViewController()
private func didReceiveImage(at url: URL) {
guard let image = UIImage(contentsOfFile: url.path) else { return }
receivedImageController = FloatingPictureViewController()
installChild(receivedImageController)
receivedImageController.animate(image: image, from: .bottom)
}
override var preferredStatusBarStyle: UIStatusBarStyle {
return .lightContent
}
}
extension DemoFlowController: UIImagePickerControllerDelegate, UINavigationControllerDelegate {
func imagePickerControllerDidCancel(_ picker: UIImagePickerController) {
dismiss(animated: true, completion: nil)
hideOverlayLoading()
}
func imagePickerController(_ picker: UIImagePickerController, didFinishPickingMediaWithInfo info: [UIImagePickerController.InfoKey : Any]) {
// Local variable inserted by Swift 4.2 migrator.
let info = convertFromUIImagePickerControllerInfoKeyDictionary(info)
DispatchQueue.main.async {
self.transitionIntoUploadingState()
guard let image = info[convertFromUIImagePickerControllerInfoKey(UIImagePickerController.InfoKey.originalImage)] as? UIImage else {
NSLog("Invalid content!")
self.hideOverlayLoading()
return
}
guard let pngData = image.withOrientationFixed.pngData() else {
NSLog("Invalid content!")
self.hideOverlayLoading()
return
}
self.dismiss(animated: true, completion: nil)
self.peerService.sendPicture(with: pngData, completion: { [weak self] error in
self?.didFinishUpload(with: error)
})
}
}
}
// Helper function inserted by Swift 4.2 migrator.
fileprivate func convertFromUIImagePickerControllerInfoKeyDictionary(_ input: [UIImagePickerController.InfoKey: Any]) -> [String: Any] {
return Dictionary(uniqueKeysWithValues: input.map {key, value in (key.rawValue, value)})
}
// Helper function inserted by Swift 4.2 migrator.
fileprivate func convertFromUIImagePickerControllerInfoKey(_ input: UIImagePickerController.InfoKey) -> String {
return input.rawValue
}
================================================
FILE: MultipeerDemo/Controllers/FloatingPictureViewController.swift
================================================
//
// FloatingPictureViewController.swift
// MultipeerDemo
//
// Created by Guilherme Rambo on 24/03/18.
// Copyright © 2018 Guilherme Rambo. All rights reserved.
//
import UIKit
class FloatingPictureViewController: UIViewController {
enum AnimationOrigin: Int {
case top
case bottom
}
private lazy var imageView: UIImageView = {
let v = UIImageView()
v.translatesAutoresizingMaskIntoConstraints = false
v.heightAnchor.constraint(lessThanOrEqualToConstant: UIScreen.main.bounds.height - 120).isActive = true
v.clipsToBounds = true
v.layer.cornerRadius = 10
v.contentMode = .scaleAspectFill
return v
}()
private lazy var imageViewCenteringConstraint: NSLayoutConstraint = {
return imageView.centerYAnchor.constraint(equalTo: view.centerYAnchor, constant: -UIScreen.main.bounds.height)
}()
override func viewDidLoad() {
super.viewDidLoad()
view.addSubview(imageView)
imageViewCenteringConstraint.isActive = true
imageView.leadingAnchor.constraint(equalTo: view.leadingAnchor, constant: 30).isActive = true
imageView.trailingAnchor.constraint(equalTo: view.trailingAnchor, constant: -30).isActive = true
let tap = UITapGestureRecognizer(target: self, action: #selector(hide))
view.addGestureRecognizer(tap)
}
func animate(image: UIImage, from origin: AnimationOrigin) {
imageView.alpha = 0
imageView.image = image
imageViewCenteringConstraint.constant = origin == .bottom ? -UIScreen.main.bounds.height : UIScreen.main.bounds.height
UIView.animate(withDuration: 0.8, delay: 0, usingSpringWithDamping: 0.5, initialSpringVelocity: 1.2, options: [.allowAnimatedContent, .beginFromCurrentState], animations: {
self.imageView.alpha = 1
self.imageViewCenteringConstraint.constant = 0
self.view.setNeedsLayout()
self.view.layoutIfNeeded()
}, completion: nil)
}
@objc func hide() {
UIView.animate(withDuration: 0.4, animations: {
self.view.alpha = 0
}) { _ in
self.view.removeFromSuperview()
self.removeFromParent()
}
}
}
================================================
FILE: MultipeerDemo/Controllers/LoadingOverlayViewController.swift
================================================
//
// LoadingOverlayViewController.swift
// MultipeerDemo
//
// Created by Guilherme Rambo on 23/03/18.
// Copyright © 2018 Guilherme Rambo. All rights reserved.
//
import UIKit
class LoadingOverlayViewController: UIViewController {
private lazy var stackView: UIStackView = {
let v = UIStackView(arrangedSubviews: [spinner, statusLabel])
v.axis = .vertical
v.spacing = 16
v.translatesAutoresizingMaskIntoConstraints = false
return v
}()
override var title: String? {
didSet {
statusLabel.text = title
}
}
private lazy var statusLabel: UILabel = {
let l = UILabel()
l.font = UIFont.systemFont(ofSize: 14, weight: .medium)
l.textColor = UIColor.white.withAlphaComponent(0.8)
l.numberOfLines = 0
l.lineBreakMode = .byWordWrapping
l.textAlignment = .center
return l
}()
private lazy var spinner: UIActivityIndicatorView = {
return UIActivityIndicatorView(style: .white)
}()
override func viewWillAppear(_ animated: Bool) {
super.viewWillAppear(animated)
spinner.startAnimating()
}
override func viewWillDisappear(_ animated: Bool) {
super.viewWillDisappear(animated)
spinner.stopAnimating()
}
func animateIn() {
spinner.startAnimating()
UIView.animate(withDuration: 0.4) {
self.view.alpha = 1
}
}
func animateOut() {
UIView.animate(withDuration: 0.4, animations: {
self.view.alpha = 0
}) { _ in
self.view.removeFromSuperview()
self.removeFromParent()
}
}
func hideSpinner() {
UIView.animate(withDuration: 0.4) {
self.spinner.isHidden = true
self.spinner.alpha = 0
self.stackView.setNeedsLayout()
self.stackView.layoutIfNeeded()
}
}
override func viewDidLoad() {
super.viewDidLoad()
view.isOpaque = false
view.backgroundColor = UIColor.black.withAlphaComponent(0.7)
view.alpha = 0
view.addSubview(stackView)
stackView.centerYAnchor.constraint(equalTo: view.centerYAnchor).isActive = true
stackView.leadingAnchor.constraint(equalTo: view.leadingAnchor, constant: 30).isActive = true
stackView.trailingAnchor.constraint(equalTo: view.trailingAnchor, constant: -30).isActive = true
}
}
================================================
FILE: MultipeerDemo/Controllers/UIImage+Orientation.swift
================================================
//
// UIImage+Orientation.swift
// MultipeerDemo
//
// Created by Guilherme Rambo on 24/03/18.
// Copyright © 2018 Guilherme Rambo. All rights reserved.
//
import UIKit
extension UIImage {
var withOrientationFixed: UIImage {
guard imageOrientation != .up else { return self }
UIGraphicsBeginImageContextWithOptions(size, false, scale)
draw(in: CGRect(origin: .zero, size: size))
guard let fixedImage = UIGraphicsGetImageFromCurrentImageContext() else {
fatalError("Failed to get image from CGContext!")
}
UIGraphicsEndImageContext()
return fixedImage
}
}
================================================
FILE: MultipeerDemo/Controllers/UIViewController+Children.swift
================================================
//
// UIViewController+Children.swift
// MultipeerDemo
//
// Created by Guilherme Rambo on 23/03/18.
// Copyright © 2018 Guilherme Rambo. All rights reserved.
//
import UIKit
extension UIViewController {
func installChild(_ controller: UIViewController) {
addChild(controller)
controller.view.autoresizingMask = [.flexibleWidth, .flexibleHeight]
controller.view.frame = view.bounds
view.addSubview(controller.view)
controller.didMove(toParent: self)
}
}
================================================
FILE: MultipeerDemo/Core/PeerService.swift
================================================
//
// PeerService.swift
// MultipeerDemo
//
// Created by Guilherme Rambo on 23/03/18.
// Copyright © 2018 Guilherme Rambo. All rights reserved.
//
import UIKit
import MultipeerConnectivity
final class PeerService: NSObject {
var didFindDevice: ((_ name: String) -> Void)?
var didConnectToDevice: ((_ name: String) -> Void)?
var didReceiveFile: ((_ url: URL) -> Void)?
// MD1
lazy var me: MCPeerID = {
let peer: MCPeerID
if let peerData = UserDefaults.standard.data(forKey: "mePeerID") {
guard let unarchivedPeer = NSKeyedUnarchiver.unarchiveObject(with: peerData) as? MCPeerID else {
fatalError("mePeerID in user defaults is not a MCPeerID. WHAT?")
}
peer = unarchivedPeer
} else {
peer = MCPeerID(displayName: UIDevice.current.name)
let peerData = NSKeyedArchiver.archivedData(withRootObject: peer)
UserDefaults.standard.set(peerData, forKey: "mePeerID")
UserDefaults.standard.synchronize()
}
return peer
}()
// MD2
lazy var session: MCSession = {
let s = MCSession(peer: me, securityIdentity: nil, encryptionPreference: .none)
s.delegate = self
return s
}()
// MD4
lazy var advertiser: MCNearbyServiceAdvertiser = {
let a = MCNearbyServiceAdvertiser(peer: me, discoveryInfo: ["demo": "data"], serviceType: "MultipeerDemo")
a.delegate = self
return a
}()
// MD7
lazy var browser: MCNearbyServiceBrowser = {
let b = MCNearbyServiceBrowser(peer: me, serviceType: "MultipeerDemo")
b.delegate = self
return b
}()
func startAdvertising() {
// MD6
advertiser.startAdvertisingPeer()
}
func startListening() {
// MD9
browser.startBrowsingForPeers()
}
private var devices: [String: MCPeerID] = [:]
func connectToDevice(named name: String) {
// MD10
guard let peer = devices[name] else { return }
guard !session.connectedPeers.contains(peer) else {
didConnectToDevice?(peer.displayName)
return
}
browser.invitePeer(peer, to: session, withContext: nil, timeout: 10)
}
func sendPicture(with data: Data, completion: @escaping (Error?) -> Void) {
// MD11
guard let peer = session.connectedPeers.last else {
NSLog("No connected peers to send to")
return
}
guard let baseURL = FileManager.default.urls(for: .cachesDirectory, in: .userDomainMask).first else {
fatalError("No caches directory. WHAT?!")
}
let filename = UUID().uuidString + ".png"
let fileURL = baseURL.appendingPathComponent(filename)
do {
try data.write(to: fileURL, options: .atomicWrite)
session.sendResource(at: fileURL,
withName: filename,
toPeer: peer,
withCompletionHandler: completion)
} catch {
completion(error)
}
}
}
// MD8
extension PeerService: MCNearbyServiceBrowserDelegate {
func browser(_ browser: MCNearbyServiceBrowser, foundPeer peerID: MCPeerID, withDiscoveryInfo info: [String : String]?) {
guard devices[peerID.displayName] == nil else { return }
devices[peerID.displayName] = peerID
DispatchQueue.main.async {
self.didFindDevice?(peerID.displayName)
}
}
func browser(_ browser: MCNearbyServiceBrowser, lostPeer peerID: MCPeerID) {
NSLog("Puke")
}
}
// MD5
extension PeerService: MCNearbyServiceAdvertiserDelegate {
func advertiser(_ advertiser: MCNearbyServiceAdvertiser, didReceiveInvitationFromPeer peerID: MCPeerID, withContext context: Data?, invitationHandler: @escaping (Bool, MCSession?) -> Void) {
// This is insecure! We should verify that the peer is valid and etc etc
invitationHandler(true, session)
}
func advertiser(_ advertiser: MCNearbyServiceAdvertiser, didNotStartAdvertisingPeer error: Error) {
NSLog("Woops! Advertising failed with error \(String(describing: error))")
}
}
// MD3
extension PeerService: MCSessionDelegate {
func session(_ session: MCSession, peer peerID: MCPeerID, didChange state: MCSessionState) {
switch state {
case .connected:
print("Now connected to \(peerID.displayName)")
DispatchQueue.main.async {
self.didConnectToDevice?(peerID.displayName)
}
case .connecting:
print("Connecting to \(peerID.displayName)")
case .notConnected:
print("NOT connected to \(peerID.displayName)")
@unknown default:
print("Unknown state \(state)")
}
}
func session(_ session: MCSession, didReceive data: Data, fromPeer peerID: MCPeerID) {
}
func session(_ session: MCSession, didReceive stream: InputStream, withName streamName: String, fromPeer peerID: MCPeerID) {
}
func session(_ session: MCSession, didStartReceivingResourceWithName resourceName: String, fromPeer peerID: MCPeerID, with progress: Progress) {
NSLog("Started resource download: \(resourceName)")
}
func session(_ session: MCSession, didFinishReceivingResourceWithName resourceName: String, fromPeer peerID: MCPeerID, at localURL: URL?, withError error: Error?) {
NSLog("Finished resource download: \(resourceName)")
// MD12
guard let url = localURL else { return }
DispatchQueue.main.async {
self.didReceiveFile?(url)
}
}
}
================================================
FILE: MultipeerDemo/Resources/Assets.xcassets/AppIcon.appiconset/Contents.json
================================================
{
"images" : [
{
"idiom" : "iphone",
"size" : "20x20",
"scale" : "2x"
},
{
"idiom" : "iphone",
"size" : "20x20",
"scale" : "3x"
},
{
"idiom" : "iphone",
"size" : "29x29",
"scale" : "2x"
},
{
"idiom" : "iphone",
"size" : "29x29",
"scale" : "3x"
},
{
"idiom" : "iphone",
"size" : "40x40",
"scale" : "2x"
},
{
"idiom" : "iphone",
"size" : "40x40",
"scale" : "3x"
},
{
"idiom" : "iphone",
"size" : "60x60",
"scale" : "2x"
},
{
"idiom" : "iphone",
"size" : "60x60",
"scale" : "3x"
},
{
"idiom" : "ipad",
"size" : "20x20",
"scale" : "1x"
},
{
"idiom" : "ipad",
"size" : "20x20",
"scale" : "2x"
},
{
"idiom" : "ipad",
"size" : "29x29",
"scale" : "1x"
},
{
"idiom" : "ipad",
"size" : "29x29",
"scale" : "2x"
},
{
"idiom" : "ipad",
"size" : "40x40",
"scale" : "1x"
},
{
"idiom" : "ipad",
"size" : "40x40",
"scale" : "2x"
},
{
"idiom" : "ipad",
"size" : "76x76",
"scale" : "1x"
},
{
"idiom" : "ipad",
"size" : "76x76",
"scale" : "2x"
},
{
"idiom" : "ipad",
"size" : "83.5x83.5",
"scale" : "2x"
}
],
"info" : {
"version" : 1,
"author" : "xcode"
}
}
================================================
FILE: MultipeerDemo/Resources/Base.lproj/LaunchScreen.storyboard
================================================
<?xml version="1.0" encoding="UTF-8"?>
<document type="com.apple.InterfaceBuilder3.CocoaTouch.Storyboard.XIB" version="3.0" toolsVersion="13771" targetRuntime="iOS.CocoaTouch" propertyAccessControl="none" useAutolayout="YES" launchScreen="YES" useTraitCollections="YES" useSafeAreas="YES" colorMatched="YES" initialViewController="01J-lp-oVM">
<device id="retina4_7" orientation="portrait">
<adaptation id="fullscreen"/>
</device>
<dependencies>
<plugIn identifier="com.apple.InterfaceBuilder.IBCocoaTouchPlugin" version="13772"/>
<capability name="Safe area layout guides" minToolsVersion="9.0"/>
<capability name="documents saved in the Xcode 8 format" minToolsVersion="8.0"/>
</dependencies>
<scenes>
<!--View Controller-->
<scene sceneID="EHf-IW-A2E">
<objects>
<viewController id="01J-lp-oVM" sceneMemberID="viewController">
<view key="view" contentMode="scaleToFill" id="Ze5-6b-2t3">
<rect key="frame" x="0.0" y="0.0" width="375" height="667"/>
<autoresizingMask key="autoresizingMask" widthSizable="YES" heightSizable="YES"/>
<color key="backgroundColor" red="0.0" green="0.0" blue="0.0" alpha="1" colorSpace="custom" customColorSpace="displayP3"/>
<viewLayoutGuide key="safeArea" id="6Tk-OE-BBY"/>
</view>
</viewController>
<placeholder placeholderIdentifier="IBFirstResponder" id="iYj-Kq-Ea1" userLabel="First Responder" sceneMemberID="firstResponder"/>
</objects>
<point key="canvasLocation" x="53" y="375"/>
</scene>
</scenes>
</document>
================================================
FILE: MultipeerDemo/Resources/Info.plist
================================================
<?xml version="1.0" encoding="UTF-8"?>
<!DOCTYPE plist PUBLIC "-//Apple//DTD PLIST 1.0//EN" "http://www.apple.com/DTDs/PropertyList-1.0.dtd">
<plist version="1.0">
<dict>
<key>CFBundleDevelopmentRegion</key>
<string>$(DEVELOPMENT_LANGUAGE)</string>
<key>CFBundleExecutable</key>
<string>$(EXECUTABLE_NAME)</string>
<key>CFBundleIdentifier</key>
<string>$(PRODUCT_BUNDLE_IDENTIFIER)</string>
<key>CFBundleInfoDictionaryVersion</key>
<string>6.0</string>
<key>CFBundleName</key>
<string>$(PRODUCT_NAME)</string>
<key>CFBundlePackageType</key>
<string>APPL</string>
<key>CFBundleShortVersionString</key>
<string>1.0</string>
<key>CFBundleVersion</key>
<string>1</string>
<key>LSRequiresIPhoneOS</key>
<true/>
<key>NSPhotoLibraryUsageDescription</key>
<string>Send pictures to other devices</string>
<key>UILaunchStoryboardName</key>
<string>LaunchScreen</string>
<key>UIRequiredDeviceCapabilities</key>
<array>
<string>armv7</string>
</array>
<key>UIStatusBarStyle</key>
<string>UIStatusBarStyleLightContent</string>
<key>UISupportedInterfaceOrientations</key>
<array>
<string>UIInterfaceOrientationPortrait</string>
</array>
<key>UISupportedInterfaceOrientations~ipad</key>
<array>
<string>UIInterfaceOrientationPortrait</string>
<string>UIInterfaceOrientationPortraitUpsideDown</string>
<string>UIInterfaceOrientationLandscapeLeft</string>
<string>UIInterfaceOrientationLandscapeRight</string>
</array>
</dict>
</plist>
================================================
FILE: MultipeerDemo/Views/CSBigRoundedButton.swift
================================================
//
// CSBigRoundedButton.swift
// CutenessKit
//
// Created by Guilherme Rambo on 22/02/18.
// Copyright © 2018 Guilherme Rambo. All rights reserved.
//
import UIKit
open class CSBigRoundedButton: UIButton {
public enum HighlightStyle: Int {
case darker
case lighter
}
public var highlightStyle: HighlightStyle = .darker {
didSet {
guard highlightStyle != oldValue else { return }
updateHighlightLayerBackground()
}
}
private struct Metrics {
static let height: CGFloat = 47
static let cornerRadius: CGFloat = 11
struct Animation {
static let highlightDuration: TimeInterval = 0.3
static let bounceDurationIn: TimeInterval = 0.6
static let bounceDurationOut: TimeInterval = 0.8
static let springVelocity: CGFloat = 1.2
static let springDamping: CGFloat = 0.4
}
}
public var titleFont: UIFont = UIFont.systemFont(ofSize: 16, weight: .medium)
public var cornerRadius: CGFloat = Metrics.cornerRadius {
didSet {
setNeedsLayout()
}
}
public var bounces = true
private var _backgroundColor: UIColor?
open override var backgroundColor: UIColor? {
get {
return _backgroundColor
}
set {
_backgroundColor = newValue
updateAppearance()
}
}
public override init(frame: CGRect) {
super.init(frame: frame)
setup()
}
public required init?(coder aDecoder: NSCoder) {
super.init(coder: aDecoder)
setup()
}
open override func layoutSubviews() {
super.layoutSubviews()
updateAppearance()
}
private lazy var backgroundLayer: CALayer = CALayer()
private lazy var highlightLayer: CALayer = {
let l = CALayer()
l.opacity = 0
return l
}()
private var customizedFont = false
private func setup() {
backgroundLayer.addSublayer(highlightLayer)
setTitleColor(.white, for: .normal)
layer.addSublayer(backgroundLayer)
updateAppearance()
addTarget(self,
action: #selector(transitionIntoHighlightedAppearance),
for: [.touchDown, .touchDragEnter])
addTarget(self,
action: #selector(transitionIntoNormalAppearance),
for: [.touchUpInside, .touchDragExit, .touchUpOutside])
updateHighlightLayerBackground()
}
private func updateAppearance() {
backgroundLayer.zPosition = 1
titleLabel?.layer.zPosition = 2
titleLabel?.font = titleFont
backgroundLayer.masksToBounds = true
backgroundLayer.cornerRadius = cornerRadius
backgroundLayer.frame = layer.bounds
backgroundLayer.backgroundColor = backgroundColor?.cgColor
highlightLayer.frame = layer.bounds
}
private func updateHighlightLayerBackground() {
switch highlightStyle {
case .lighter:
highlightLayer.backgroundColor = UIColor.white.withAlphaComponent(0.15).cgColor
case .darker:
highlightLayer.backgroundColor = UIColor.black.withAlphaComponent(0.2).cgColor
}
}
open override var intrinsicContentSize: CGSize {
return CGSize(width: UIView.noIntrinsicMetric, height: Metrics.height)
}
private let animationOptions: UIView.AnimationOptions = [
.beginFromCurrentState,
.allowAnimatedContent,
.allowUserInteraction
]
@objc private func transitionIntoHighlightedAppearance() {
UIView.animate(withDuration: Metrics.Animation.highlightDuration,
delay: 0,
options: animationOptions,
animations:
{
self.highlightLayer.opacity = 1
}, completion: nil)
bounceInIfNeeded()
}
private func bounceInIfNeeded() {
guard bounces else { return }
UIView.animate(withDuration: Metrics.Animation.bounceDurationIn,
delay: 0, usingSpringWithDamping: Metrics.Animation.springDamping,
initialSpringVelocity: Metrics.Animation.springVelocity,
options: animationOptions,
animations:
{
self.layer.transform = CATransform3DMakeScale(0.95, 0.95, 1)
}, completion: nil)
}
@objc private func transitionIntoNormalAppearance() {
UIView.animate(withDuration: Metrics.Animation.highlightDuration,
delay: 0,
options: animationOptions,
animations:
{
self.highlightLayer.opacity = 0
}, completion: nil)
bounceOutIfNeeded()
}
private func bounceOutIfNeeded() {
guard bounces else { return }
UIView.animate(withDuration: Metrics.Animation.bounceDurationOut,
delay: 0, usingSpringWithDamping: Metrics.Animation.springDamping,
initialSpringVelocity: Metrics.Animation.springVelocity,
options: animationOptions,
animations:
{
self.layer.transform = CATransform3DIdentity
}, completion: nil)
}
}
================================================
FILE: MultipeerDemo.xcodeproj/project.pbxproj
================================================
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================================================
FILE: README.md
================================================
# MultipeerDemo
A sample app showing how to transfer files between two devices using [MultipeerConnectivity](https://developer.apple.com/documentation/multipeerconnectivity).
This sample app is part of my talk on MultipeerConnectivity, you can get the [slides in Portuguese](GuilhermeRambo-MultipeerConnectivity-pt.pdf) and [in English](./GuilhermeRambo-MultipeerConnectivity-en.pdf).
gitextract_zvrhyaes/ ├── .gitignore ├── LICENSE ├── MultipeerDemo/ │ ├── Bootstrap/ │ │ └── AppDelegate.swift │ ├── Controllers/ │ │ ├── CSOnboardingViewController.swift │ │ ├── DemoFlowController.swift │ │ ├── FloatingPictureViewController.swift │ │ ├── LoadingOverlayViewController.swift │ │ ├── UIImage+Orientation.swift │ │ └── UIViewController+Children.swift │ ├── Core/ │ │ └── PeerService.swift │ ├── Resources/ │ │ ├── Assets.xcassets/ │ │ │ └── AppIcon.appiconset/ │ │ │ └── Contents.json │ │ ├── Base.lproj/ │ │ │ └── LaunchScreen.storyboard │ │ └── Info.plist │ └── Views/ │ └── CSBigRoundedButton.swift ├── MultipeerDemo.xcodeproj/ │ ├── project.pbxproj │ └── xcshareddata/ │ └── xcschemes/ │ └── MultipeerDemo.xcscheme └── README.md
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About this extraction
This page contains the full source code of the insidegui/MultipeerDemo GitHub repository, extracted and formatted as plain text for AI agents and large language models (LLMs). The extraction includes 17 files (55.5 KB), approximately 15.3k tokens. Use this with OpenClaw, Claude, ChatGPT, Cursor, Windsurf, or any other AI tool that accepts text input. You can copy the full output to your clipboard or download it as a .txt file.
Extracted by GitExtract — free GitHub repo to text converter for AI. Built by Nikandr Surkov.