diff --git a/README.md b/README.md index 2b74b50..e6cbd39 100644 --- a/README.md +++ b/README.md @@ -72,6 +72,8 @@ time due to CPU limitations on iOS devices. subcribed video stream. **FrameMetadata** -- This project shows how to set metadata (limited to 32 bytes) to a video frame, as well as how to read metadata from a video frame. + +**Sender Stats** -- This project shows how to send & display bitrate statistics of the sender in 3 simple steps. It allows launching multiparty connections to see the actual stats of the sender. ## Obtaining OpenTok Credentials @@ -98,4 +100,4 @@ We love to hear from you so if you have questions, comments or find a bug in the ## Further Reading -- Check out the Developer Documentation at \ No newline at end of file +- Check out the Developer Documentation at diff --git a/Sender-Stats/OTXCFramework.podspec b/Sender-Stats/OTXCFramework.podspec new file mode 100644 index 0000000..e999d2d --- /dev/null +++ b/Sender-Stats/OTXCFramework.podspec @@ -0,0 +1,26 @@ +Pod::Spec.new do |s| + build = "2401" + s.name = "OTXCFramework" + s.version = "2.32.0-preview.#{build}" + s.summary = "OpenTok lets you weave interactive live WebRTC video streaming right into your application" + s.description = <<-DESC + The OpenTok iOS SDK lets you use WebRTC video sessions in apps you build for iPad, + iPhone, and iPod touch devices. + DESC + s.homepage = "https://tokbox.com/developer/sdks/ios/" + s.license = { :type => "Commercial", :text => "https://tokbox.com/support/tos" } + s.author = { "TokBox, Inc." => "support@tokbox.com" } + + s.platform = :ios + s.ios.deployment_target = '15.0' + s.source = { :http => "https://s3.us-east-1.amazonaws.com/artifact.tokbox.com/pr/otkit-ios-sdk-xcframework/2401/OpenTok-iOS-2.32.0-preview.2401.zip"} + s.resource_bundles = { + 'OTPrivacyResources' => ['OpenTok.xcframework/ios-arm64/**/OpenTok.framework/PrivacyInfo.xcprivacy'] + } + s.vendored_frameworks = "OpenTok.xcframework" + s.frameworks = "Foundation", "AVFoundation", "AudioToolbox", "CoreFoundation", "CoreGraphics", + "CoreMedia", "CoreTelephony", "CoreVideo", "GLKit", "OpenGLES", "QuartzCore", + "SystemConfiguration", "UIKit", "VideoToolbox", "Network", "Accelerate", "MetalKit" + s.libraries = "c++" + s.requires_arc = false +end \ No newline at end of file diff --git a/Sender-Stats/Podfile b/Sender-Stats/Podfile new file mode 100644 index 0000000..707b3ce --- /dev/null +++ b/Sender-Stats/Podfile @@ -0,0 +1,8 @@ +require_relative '../OpenTokSDKVersion' + +platform :ios, MinIosSdkVersion +use_frameworks! + +target 'Sender-Stats' do + pod 'OTXCFramework', :podspec => 'OTXCFramework.podspec' +end \ No newline at end of file diff --git a/Sender-Stats/README.md b/Sender-Stats/README.md new file mode 100644 index 0000000..931f6bb --- /dev/null +++ b/Sender-Stats/README.md @@ -0,0 +1,37 @@ +Sender Stats Sample App +======================================== + +This sample app demonstrates how to get and show sender stats to the user. It shows how to get the `OTSenderStats` object that contains information such as maxBitrate and currentBitrate in bps. More information on sender stats can be read [here](https://tokbox.com/developer/guides/sender-stats). + +*Important:* To use this application, follow the instructions in the +[Quick Start](../README.md#quick-start) section of the main README file +for this repository. + + + +## Setting up the statistis + +The following steps are needed to implement the stats monitoring. These are also highlighted in the code sample within `ChatViewController`, along with specific usage example. + +### Step 1 + +First, you need to set the `senderStatisticsTrack` of the Publisher to `true` to start sending the statistics. + +### Step 2 + +Next it is important to set the `subscriber.networkStatsDelegate` on the subscriber - to start getting the delegate callbacks, that contain the statistics. + +### Step 3 + +Add conformance to the `OTSubscriberKitNetworkStatsDelegate` protocol, to be able to read `OTSenderStats`, when the callbacks get triggered. + +```swift + func subscriber(_ subscriber: OTSubscriberKit, videoNetworkStatsUpdated stats: OTSubscriberKitVideoNetworkStats) { + // here you can use stats.senderStats - which gives the access to the `OTSenderStats`. + } +``` +### Final + +Now we have the stats - however to see the proper values for currentBitrate, we'll need to make a connection. To do that, simply join the same session with 2 clients (could be a web client + iOS device, or just 2 separate iOS simulators running simultaneously). 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+ defaultConfigurationIsVisible = 0; + defaultConfigurationName = Release; + }; +/* End XCConfigurationList section */ + }; + rootObject = F852CCB71EA4D88200ADB206 /* Project object */; +} diff --git a/Sender-Stats/Sender-Stats.xcodeproj/xcshareddata/xcschemes/Sender-Stats.xcscheme b/Sender-Stats/Sender-Stats.xcodeproj/xcshareddata/xcschemes/Sender-Stats.xcscheme new file mode 100644 index 0000000..d28e349 --- /dev/null +++ b/Sender-Stats/Sender-Stats.xcodeproj/xcshareddata/xcschemes/Sender-Stats.xcscheme @@ -0,0 +1,91 @@ + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + diff --git a/Sender-Stats/Sender-Stats/AppDelegate.swift b/Sender-Stats/Sender-Stats/AppDelegate.swift new file mode 100644 index 0000000..23e2232 --- /dev/null +++ b/Sender-Stats/Sender-Stats/AppDelegate.swift @@ -0,0 +1,37 @@ +// +// AppDelegate.swift +// Sender-Stats +// +// Created by Artur Osinski on 27/08/2025. +// Copyright © 2025 vonage. All rights reserved. +// + +import UIKit + +@UIApplicationMain +class AppDelegate: UIResponder, UIApplicationDelegate { + + var window: UIWindow? + + + func application(_ application: UIApplication, didFinishLaunchingWithOptions launchOptions: [UIApplication.LaunchOptionsKey: Any]?) -> Bool { + return true + } + + func applicationWillResignActive(_ application: UIApplication) { + } + + func applicationDidEnterBackground(_ application: UIApplication) { + } + + func applicationWillEnterForeground(_ application: UIApplication) { + } + + func applicationDidBecomeActive(_ application: UIApplication) { + } + + func applicationWillTerminate(_ application: UIApplication) { + } + +} + diff --git a/Sender-Stats/Sender-Stats/Assets.xcassets/AccentColor.colorset/Contents.json b/Sender-Stats/Sender-Stats/Assets.xcassets/AccentColor.colorset/Contents.json new file mode 100644 index 0000000..eb87897 --- /dev/null +++ b/Sender-Stats/Sender-Stats/Assets.xcassets/AccentColor.colorset/Contents.json @@ -0,0 +1,11 @@ +{ + "colors" : [ + { + "idiom" : "universal" + } + ], + "info" : { + "author" : "xcode", + "version" : 1 + } +} diff --git a/Sender-Stats/Sender-Stats/Assets.xcassets/AppIcon.appiconset/Contents.json b/Sender-Stats/Sender-Stats/Assets.xcassets/AppIcon.appiconset/Contents.json new file mode 100644 index 0000000..8121323 --- /dev/null +++ b/Sender-Stats/Sender-Stats/Assets.xcassets/AppIcon.appiconset/Contents.json @@ -0,0 +1,53 @@ +{ + "images" : [ + { + "idiom" : "iphone", + "scale" : "2x", + "size" : "20x20" + }, + { + "idiom" : "iphone", + "scale" : "3x", + "size" : "20x20" + }, + { + "idiom" : "iphone", + "scale" : "2x", + "size" : "29x29" + }, + { + "idiom" : "iphone", + "scale" : "3x", + "size" : "29x29" + }, + { + "idiom" : "iphone", + "scale" : "2x", + "size" : "40x40" + }, + { + "idiom" : "iphone", + "scale" : "3x", + "size" : "40x40" + }, + { + "idiom" : "iphone", + "scale" : "2x", + "size" : "60x60" + }, + { + "idiom" : "iphone", + "scale" : "3x", + "size" : "60x60" + }, + { + "idiom" : "ios-marketing", + "scale" : "1x", + "size" : "1024x1024" + } + ], + "info" : { + "author" : "xcode", + "version" : 1 + } +} diff --git a/Sender-Stats/Sender-Stats/Assets.xcassets/Contents.json b/Sender-Stats/Sender-Stats/Assets.xcassets/Contents.json new file mode 100644 index 0000000..73c0059 --- /dev/null +++ b/Sender-Stats/Sender-Stats/Assets.xcassets/Contents.json @@ -0,0 +1,6 @@ +{ + "info" : { + "author" : "xcode", + "version" : 1 + } +} diff --git a/Sender-Stats/Sender-Stats/Base.lproj/LaunchScreen.storyboard b/Sender-Stats/Sender-Stats/Base.lproj/LaunchScreen.storyboard new file mode 100644 index 0000000..fdf3f97 --- /dev/null +++ b/Sender-Stats/Sender-Stats/Base.lproj/LaunchScreen.storyboard @@ -0,0 +1,27 @@ + + + + + + + + + + + + + + + + + + + + + + + + + + + diff --git a/Sender-Stats/Sender-Stats/Base.lproj/Main.storyboard b/Sender-Stats/Sender-Stats/Base.lproj/Main.storyboard new file mode 100644 index 0000000..bdf64dc --- /dev/null +++ b/Sender-Stats/Sender-Stats/Base.lproj/Main.storyboard @@ -0,0 +1,53 @@ + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + diff --git a/Sender-Stats/Sender-Stats/ChatViewController.swift b/Sender-Stats/Sender-Stats/ChatViewController.swift new file mode 100644 index 0000000..ecb2b0f --- /dev/null +++ b/Sender-Stats/Sender-Stats/ChatViewController.swift @@ -0,0 +1,302 @@ +// +// ViewController.swift +// Sender-Stats +// +// Created by Artur Osinski on 27/08/2025. +// Copyright © 2025 vonage. All rights reserved. +// + +import UIKit +import OpenTok +import Foundation +//import + +// *** Fill the following variables using your own Project info *** +// *** https://tokbox.com/account/#/ *** +// Replace with your OpenTok API key +let kApiKey = "" +// Replace with your generated session ID +let kSessionId = "" +// Replace with your generated token +let kToken = "" +let kApiRootURL = URL(string: "https://api.dev.opentok.com") +class ChatViewController: UICollectionViewController { + + enum Constant { + static let maxBitrateText = "Max Bitrate (bps): " + static let currentBitrateText = "Current Bitrate (bps): " + static let showStatsText = "Show stats" + static let hideStatsText = "Hide stats" + } + + lazy var session: OTCustomSession = { + guard let session = OTCustomSession(apiKey: kApiKey, sessionId: kSessionId, delegate: self) else { + fatalError("Please fill in the kApiKey, kSessionId & kToken") + } + return session + }() + + /** + * **Sender stats step 1** + * OTPublisher object, needs setting senderStatisticsTrack to true + * in order to be able to send sender stats + */ + lazy var publisher: OTPublisher = { + let settings = OTPublisherSettings() + settings.senderStatisticsTrack = true + settings.name = UIDevice.current.name + + return OTPublisher(delegate: self, settings: settings)! + }() + + var subscribers: [OTSubscriber] = [] + + private lazy var statsButton: UIButton = { + let statsButton = UIButton() + statsButton.translatesAutoresizingMaskIntoConstraints = false + statsButton.setTitle( + Constant.showStatsText, + for: .normal + ) + statsButton.setTitleColor(.systemBlue, for: .normal) + return statsButton + }() + + private lazy var statsView: UIView = { + let statsView = UIView() + statsView.translatesAutoresizingMaskIntoConstraints = false + statsView.backgroundColor = .lightText + statsView.isHidden = true + return statsView + }() + + private lazy var maxBitrateLabel: UILabel = { + let maxBitrateLabel = UILabel() + maxBitrateLabel.translatesAutoresizingMaskIntoConstraints = false + maxBitrateLabel.text = Constant.maxBitrateText + "N/A" + return maxBitrateLabel + }() + + private lazy var currentBitrateLabel: UILabel = { + let currentBitrateLabel = UILabel() + currentBitrateLabel.translatesAutoresizingMaskIntoConstraints = false + currentBitrateLabel.text = Constant.currentBitrateText + "N/A" + return currentBitrateLabel + }() + + override func viewDidLoad() { + super.viewDidLoad() + session.setApiRootURL(kApiRootURL!) + setupView() + doConnect() + } + + /** + * Asynchronously begins the session connect process. Some time later, we will + * expect a delegate method to call us back with the results of this action. + */ + fileprivate func doConnect() { + var error: OTError? + defer { + processError(error) + } + session.connect(withToken: kToken, error: &error) + } + + /** + * Sets up an instance of OTPublisher to use with this session. OTPubilsher + * binds to the device camera and microphone, and will provide A/V streams + * to the OpenTok session. + */ + fileprivate func doPublish() { + var error: OTError? + defer { + processError(error) + } + session.publish(publisher, error: &error) + + collectionView?.reloadData() + } + + /** + * Instantiates a subscriber for the given stream and asynchronously begins the + * process to begin receiving A/V content for this stream. Unlike doPublish, + * this method does not add the subscriber to the view hierarchy. Instead, we + * add the subscriber only after it has connected and begins receiving data. + */ + fileprivate func doSubscribe(_ stream: OTStream) { + var error: OTError? + defer { + processError(error) + } + guard let subscriber = OTSubscriber(stream: stream, delegate: self) + else { + print("Error while subscribing") + return + } + + /** + * **Sender stats step 2** + * Set the networkStatsDelegate to start receiving + * OTSubscriberKitNetworkStatsDelegate callbacks for sender stats + */ + subscriber.networkStatsDelegate = self + session.subscribe(subscriber, error: &error) + subscribers.append(subscriber) + collectionView?.reloadData() + } + + fileprivate func cleanupSubscriber(_ stream: OTStream) { + subscribers = subscribers.filter { $0.stream?.streamId != stream.streamId } + collectionView?.reloadData() + } + + fileprivate func processError(_ error: OTError?) { + guard let error else { return } + showAlert(errorStr: error.localizedDescription) + } + + fileprivate func showAlert(errorStr err: String) { + DispatchQueue.main.async { + let controller = UIAlertController(title: "Error", message: err, preferredStyle: .alert) + controller.addAction(UIAlertAction(title: "Ok", style: .default, handler: nil)) + self.present(controller, animated: true, completion: nil) + } + } + + private func setupView() { + view.addSubview(statsView) + NSLayoutConstraint.activate([ + statsView.heightAnchor.constraint(equalToConstant: 80), + statsView.widthAnchor.constraint(equalToConstant: 280), + statsView.topAnchor.constraint(equalTo: view.topAnchor, constant: 100), + statsView.leadingAnchor.constraint(equalTo: view.leadingAnchor, constant: 20) + ]) + + statsView.addSubview(maxBitrateLabel) + statsView.addSubview(currentBitrateLabel) + + NSLayoutConstraint.activate([ + maxBitrateLabel.heightAnchor.constraint(equalToConstant: 25), + maxBitrateLabel.topAnchor.constraint(equalTo: statsView.topAnchor, constant: 10), + maxBitrateLabel.leadingAnchor.constraint(equalTo: statsView.leadingAnchor, constant: 10), + maxBitrateLabel.trailingAnchor.constraint(equalTo: statsView.trailingAnchor, constant: 10) + ]) + + NSLayoutConstraint.activate([ + currentBitrateLabel.heightAnchor.constraint(equalToConstant: 25), + currentBitrateLabel.topAnchor.constraint(equalTo: maxBitrateLabel.bottomAnchor, constant: 10), + currentBitrateLabel.leadingAnchor.constraint(equalTo: statsView.leadingAnchor, constant: 10), + currentBitrateLabel.trailingAnchor.constraint(equalTo: statsView.trailingAnchor, constant: 10) + ]) + + view.addSubview(statsButton) + NSLayoutConstraint.activate([ + statsButton.topAnchor.constraint(equalTo: view.topAnchor, constant: 60), + statsButton.leadingAnchor.constraint(equalTo: view.leadingAnchor, constant: 30) + ]) + statsButton.addTarget(self, action: #selector(toggleStatsView), for: .touchUpInside) + } + + @objc private func toggleStatsView() { + statsView.isHidden.toggle() + statsButton.setTitle( + statsView.isHidden ? Constant.showStatsText : Constant.hideStatsText, + for: .normal + ) + } + + // MARK: - UICollectionView methods + override func collectionView(_ collectionView: UICollectionView, numberOfItemsInSection section: Int) -> Int { + return subscribers.count + 1 + } + + override func collectionView(_ collectionView: UICollectionView, cellForItemAt indexPath: IndexPath) -> UICollectionViewCell { + let cell = collectionView.dequeueReusableCell(withReuseIdentifier: "videoCell", for: indexPath) + let videoView: UIView? = { + if (indexPath.row == 0) { + return publisher.view + } else { + let sub = subscribers[indexPath.row - 1] + return sub.view + } + }() + + if let viewToAdd = videoView { + viewToAdd.frame = cell.bounds + cell.addSubview(viewToAdd) + } + return cell + } +} + +// MARK: - OTSession delegate callbacks +extension ChatViewController: OTSessionDelegate { + func sessionDidConnect(_ session: OTSession) { + print("Session connected") + doPublish() + } + + func sessionDidDisconnect(_ session: OTSession) { + print("Session disconnected") + } + + func session(_ session: OTSession, streamCreated stream: OTStream) { + print("Session streamCreated: \(stream.streamId)") + doSubscribe(stream) + } + + func session(_ session: OTSession, streamDestroyed stream: OTStream) { + print("Session streamDestroyed: \(stream.streamId)") + cleanupSubscriber(stream) + } + + func session(_ session: OTSession, didFailWithError error: OTError) { + print("session Failed to connect: \(error.localizedDescription)") + } +} + +// MARK: - OTPublisher delegate callbacks +extension ChatViewController: OTPublisherDelegate { + func publisher(_ publisher: OTPublisherKit, streamCreated stream: OTStream) { + } + + func publisher(_ publisher: OTPublisherKit, streamDestroyed stream: OTStream) { + } + + func publisher(_ publisher: OTPublisherKit, didFailWithError error: OTError) { + print("Publisher failed: \(error.localizedDescription)") + } +} + +// MARK: - OTSubscriber delegate callbacks +extension ChatViewController: OTSubscriberDelegate { + func subscriberDidConnect(toStream subscriberKit: OTSubscriberKit) { + print("Subscriber connected") + } + + func subscriber(_ subscriber: OTSubscriberKit, didFailWithError error: OTError) { + print("Subscriber failed: \(error.localizedDescription)") + } + + func subscriberVideoDataReceived(_ subscriber: OTSubscriber) { + } +} + +// MARK: - OTSubscriberKitNetworkStatsDelegate callbacks +extension ChatViewController: OTSubscriberKitNetworkStatsDelegate { + + /** + * **Sender stats step 3** + * videoNetworkStatsUpdated method needs to be implemented + * to capture information about sender stats as follows. + * + * The stats could still be nil sometimes due to network issues or latency, + * even if the publisher’s sender stats track is enabled. + */ + func subscriber(_ subscriber: OTSubscriberKit, videoNetworkStatsUpdated stats: OTSubscriberKitVideoNetworkStats) { + guard let senderStats = stats.senderStats else { return } + maxBitrateLabel.text = Constant.maxBitrateText + "\(senderStats.maxBitrate)" + currentBitrateLabel.text = Constant.currentBitrateText + "\(senderStats.currentBitrate)" + } +} diff --git a/Sender-Stats/Sender-Stats/Info.plist b/Sender-Stats/Sender-Stats/Info.plist new file mode 100644 index 0000000..eea164f --- /dev/null +++ b/Sender-Stats/Sender-Stats/Info.plist @@ -0,0 +1,40 @@ + + + + + CFBundleDevelopmentRegion + en + CFBundleExecutable + $(EXECUTABLE_NAME) + CFBundleIdentifier + $(PRODUCT_BUNDLE_IDENTIFIER) + CFBundleInfoDictionaryVersion + 6.0 + CFBundleName + $(PRODUCT_NAME) + CFBundlePackageType + APPL + CFBundleShortVersionString + 1.0 + CFBundleVersion + 1 + LSRequiresIPhoneOS + + NSCameraUsageDescription + + NSMicrophoneUsageDescription + + UILaunchStoryboardName + LaunchScreen + UIMainStoryboardFile + Main + UIRequiredDeviceCapabilities + + armv7 + + UISupportedInterfaceOrientations + + UIInterfaceOrientationPortrait + + + diff --git a/Sender-Stats/Sender-Stats/MultipartyLayout.swift b/Sender-Stats/Sender-Stats/MultipartyLayout.swift new file mode 100644 index 0000000..984b4ad --- /dev/null +++ b/Sender-Stats/Sender-Stats/MultipartyLayout.swift @@ -0,0 +1,155 @@ +// +// MultipartyLayout.swift +// Sender-Stats +// +// Created by Artur Osinski on 27/08/2025. +// Copyright © 2025 vonage. All rights reserved. +// + +import UIKit + +extension Int { + var isEven: Bool { + return self % 2 == 0 + } +} + +class MultipartyLayout: UICollectionViewLayout { + fileprivate var cache = [UICollectionViewLayoutAttributes]() + fileprivate var cachedNumberOfViews = 0 + + override func prepare() { + guard let views = collectionView?.numberOfItems(inSection: 0) + else { + cache.removeAll() + return + } + + if views != cachedNumberOfViews { + cache.removeAll() + } + + if cache.isEmpty { + cachedNumberOfViews = views + let attribs: [UICollectionViewLayoutAttributes] = { + switch views { + case 1: + return attributesForPublisherFullScreen() + case 2: + return attributesForPublisherAndOneSubscriber() + case let x where x > 2 && x.isEven: + return attributesForAllViewsTwoByTwo(withNumberOfViews: x) + case let x where x > 2 && !x.isEven: + return attributesForPublisherOnTopAndSubscribersTwoByTwo(withNumberOfViews: x) + default: + return [] + } + }() + + cache.append(contentsOf: attribs) + } + } + + fileprivate func attributesForPublisherFullScreen() -> [UICollectionViewLayoutAttributes] { + var attribs = [UICollectionViewLayoutAttributes]() + let ip = IndexPath(item: 0, section: 0) + let attr = UICollectionViewLayoutAttributes(forCellWith: ip) + attr.frame = collectionView?.superview?.bounds ?? CGRect() + attribs.append(attr) + + return attribs + } + + // Will layout publisher view over subscriber view + fileprivate func attributesForPublisherAndOneSubscriber() -> [UICollectionViewLayoutAttributes] { + var attribs = [UICollectionViewLayoutAttributes]() + let height = (collectionView?.superview?.bounds.size.height ?? 0) / 2 + let width = collectionView?.superview?.bounds.size.width ?? 0 + + let pubIp = IndexPath(item: 0, section: 0) + let pubAttribs = UICollectionViewLayoutAttributes(forCellWith: pubIp) + pubAttribs.frame = CGRect(x: 0, y: 0, width: width, height: height) + attribs.append(pubAttribs) + + let subIp = IndexPath(item: 1, section: 0) + let subAttribs = UICollectionViewLayoutAttributes(forCellWith: subIp) + subAttribs.frame = CGRect(x: 0, y:height, width: width, height: height) + attribs.append(subAttribs) + + return attribs + } + + fileprivate func attributesForPublisherOnTopAndSubscribersTwoByTwo(withNumberOfViews views: Int) + -> [UICollectionViewLayoutAttributes] + { + var attribs = [UICollectionViewLayoutAttributes]() + let rows = CGFloat(((views - 1) / 2) + 1) + let height = (collectionView?.superview?.bounds.size.height ?? 0) / CGFloat(rows) + let width = (collectionView?.superview?.bounds.size.width ?? 0) / 2 + + let pubIp = IndexPath(item: 0, section: 0) + let pubAttribs = UICollectionViewLayoutAttributes(forCellWith: pubIp) + pubAttribs.frame = CGRect(x: 0, y: 0, width: collectionView?.superview?.bounds.size.width ?? 0, height: height) + attribs.append(pubAttribs) + attribs.append(contentsOf: attributesForViewsInRows(initialYOffset: height, + totalNumberOfViews: views, + viewSize: CGSize(width: width, height: height), + viewOffset: 1)) + return attribs + } + + fileprivate func attributesForAllViewsTwoByTwo(withNumberOfViews views: Int) + -> [UICollectionViewLayoutAttributes] + { + var attribs = [UICollectionViewLayoutAttributes]() + let rows = views / 2 + let height = (collectionView?.superview?.bounds.size.height ?? 0) / CGFloat(rows) + let width = (collectionView?.superview?.bounds.size.width ?? 0) / 2 + + attribs.append(contentsOf: attributesForViewsInRows(initialYOffset: 0, + totalNumberOfViews: views, + viewSize: CGSize(width: width, height: height), + viewOffset: 0)) + return attribs + } + + fileprivate func attributesForViewsInRows(initialYOffset: CGFloat, + totalNumberOfViews views: Int, + viewSize: CGSize, + viewOffset: Int) + -> [UICollectionViewLayoutAttributes] + { + var attribs = [UICollectionViewLayoutAttributes]() + var yOffset = initialYOffset + + let newLineCondition : (Int) -> Bool = { + if viewOffset == 0 { + return !$0.isEven + } else { + return $0.isEven + } + } + + for item in viewOffset.. viewOffset && newLineCondition(item) { + yOffset += viewSize.height + } + } + + return attribs + } + + override var collectionViewContentSize: CGSize { + return collectionView?.superview?.bounds.size ?? CGSize() + } + + override func layoutAttributesForElements(in rect: CGRect) -> [UICollectionViewLayoutAttributes]? { + return cache + } + +} diff --git a/Sender-Stats/Sender-Stats/OTCustomSession.h b/Sender-Stats/Sender-Stats/OTCustomSession.h new file mode 100644 index 0000000..b06fe8a --- /dev/null +++ b/Sender-Stats/Sender-Stats/OTCustomSession.h @@ -0,0 +1,18 @@ +// +// OTCustomSession.h +// VonageMeetApp +// +// Created by Jerónimo Valli on 7/10/23. +// + +#ifndef OTCustomSession_h +#define OTCustomSession_h + +#import +#import + +@interface OTCustomSession : OTSession +- (void)setApiRootURL:(NSURL*)aURL; +@end + +#endif /* OTCustomSession_h */ diff --git a/Sender-Stats/Sender-Stats/OTCustomSession.m b/Sender-Stats/Sender-Stats/OTCustomSession.m new file mode 100644 index 0000000..4c403b3 --- /dev/null +++ b/Sender-Stats/Sender-Stats/OTCustomSession.m @@ -0,0 +1,18 @@ +// +// OTCustomSession.m +// VonageMeetApp +// +// Created by Jerónimo Valli on 7/10/23. +// + +#import "OTCustomSession.h" + +@interface OTSession () +- (void)setApiRootURL:(NSURL*)aURL; +@end + +@implementation OTCustomSession +- (void)setApiRootURL:(NSURL *)aURL { + [super setApiRootURL:aURL]; +} +@end diff --git a/Sender-Stats/Sender-Stats/Sender-Stats-Bridging-Header.h b/Sender-Stats/Sender-Stats/Sender-Stats-Bridging-Header.h new file mode 100644 index 0000000..4c634a8 --- /dev/null +++ b/Sender-Stats/Sender-Stats/Sender-Stats-Bridging-Header.h @@ -0,0 +1,5 @@ +// +// Use this file to import your target's public headers that you would like to expose to Swift. +// + +#import "OTCustomSession.h" diff --git a/Sender-Stats/readme-images/senderStatsExample1.png b/Sender-Stats/readme-images/senderStatsExample1.png new file mode 100644 index 0000000..2b73df3 Binary files /dev/null and b/Sender-Stats/readme-images/senderStatsExample1.png differ