Programming language: Swift
License: MIT License
Tags: Analytics    
Latest version: v0.12.0

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☂️ Umbrella

Swift CocoaPods CI Codecov

Analytics abstraction layer for Swift. Inspired by Moya.

Table of Contents


There are many tools for mobile app analytics such as Firebase, Google Analytics, Fabric Answers, Flurry, Mixpanel, etc. You might use one or more of those in your application. But most of those SDKs have some problems: if you use multiple analytics tools, your code will be messed up. And the SDKs take event name as a string and parameters as a dictionary which is not guaranteed by Swift compiler. It means that if you change the event definition, you should find all related code by your hand. It has an opportunity that cause a human error. Umbrella uses Swift enums and the associated values to solve these problems.


  • 💪 Taking advantages of Swift compiler by using an enum and associated values.
  • 🎯 Logging events to multiple analytics providers at once.
  • 🎨 Creating custom analytics providers.

At a Glance

Before 🤢

FIRAnalytics.logEvent(withName: kFIREventEcommercePurchase, parameters: [
  kFIRParameterCurrency: "USD" as NSObject,
  kFIRParameterValue: 9.99 as NSNumber,
  kFIRParameterTransactionID: "20170709123456" as NSObject,
Flurry.logEvent("purchase", withParameters: [
  "Currency": "USD",
  "Price": 9.99,
  "Transaction ID": "20170709123456"
MyCustomAnalytics.logEvent("purchase", withParameters: [
  "currency": "USD",
  "price": 9.99,
  "transaction_id": "20170709123456"

After 😊

let analytics = Analytics<MyAppEvent>()
analytics.register(provider: FirebaseProvider())
analytics.register(provider: FlurryProvider())
analytics.register(provider: MyCustomProvider())
analytics.log(.purchase(currency: "USD", price: 9.99, transactionID: "20170709123456"))

Getting Started

Defining Events

First of all, you should define all of your events in a single enum. Let's assume that we have three events that have associated parameters.

enum MyAppEvent {
  case signup(username: String)
  case viewContent(productID: Int)
  case purchase(productID: Int, price: Float)

Then make the enum to conform the protocol EventType. It requires two functions: name(for:) and parameters(for:).

extension MyAppEvent: EventType {
  /// An event name to be logged
  func name(for provider: ProviderType) -> String? {
    switch self {
    case .signup: return "signup"
    case .viewContent: return "view_content"
    case .purchase: return "purchase"

  /// Parameters to be logged
  func parameters(for provider: ProviderType) -> [String: Any]? {
    switch self {
    case let .signup(username):
      return ["username": username]
    case let .viewContent(productID):
      return ["product_id": productID]
    case let .purchase(productID, price):
      return ["product_id": productID, "price": price]

You can even provide different event names and parameters by providers.

Using Analytics

You can define an Analytics instance anywhere but it's recommended to define at a global scope.

let analytics = Analytics<MyAppEvent>()

Then you should register providers. A prodiver is a wrapper for an actual analytics service such as Firebase and Fabric Answers. It's recommended to register providers in application(_:didFinishLaunchingWithOptions:).

analytics.register(provider: AnswersProvider())
analytics.register(provider: FirebaseProvider())
analytics.register(provider: FlurryProvider())
analytics.register(provider: MyAwesomeProvider())

If you finished those steps, you can now log the events 🎉

analytics.log(.signup(username: "devxoul"))

Built-in Providers

There are several built-in providers.

If there's no provider you're looking for, you can create an issue or create custom providers. It's also welcomed to create a pull request for missing services 🎉

Creating Custom Providers

If there's no built-in provider for the serivce you're using, you can also create your own. It's easy to create a provider: just create a class and conform to the protocol ProviderType.

final class MyAwesomeProvider: ProviderType {
  func log(_ eventName: String, parameters: [String: Any]?) {
    AwesomeAnalytics.logEvent(withName: eventName, parameters: parameters)


Umbrella currently support CocoaPods only.

pod 'Umbrella'
pod 'Umbrella/Firebase' # using with built-in FirebaseProvider
pod 'Umbrella/...'


Any discussions and pull requests are welcomed 💖

Generating Xcode Workspace

$ make project

This will automatically generate Umbrella.xcworkspace and perform pod install.

Creating New Provider

For example, imagine that we are going to create a new provider for an analytics service 'Raincoat'.

  1. Add a library and a target definition in Package.swift.

      let package = Package(
        name: "Umbrella",
        products: [
          .library(name: "Umbrella", targets: ["Umbrella"]),
          .library(name: "UmbrellaFirebase", targets: ["UmbrellaFirebase"]),
          .library(name: "UmbrellaMixpanel", targets: ["UmbrellaMixpanel"]),
    +     .library(name: "UmbrellaRaincoat", targets: ["UmbrellaRaincoat"]),
        targets: [
          .target(name: "Umbrella"),
          .target(name: "UmbrellaFirebase", dependencies: ["Umbrella"]),
          .target(name: "UmbrellaMixpanel", dependencies: ["Umbrella"]),
    +     .target(name: "UmbrellaRaincoat", dependencies: ["Umbrella"]),
          .testTarget(name: "UmbrellaTests", dependencies: ["Umbrella"]),
          .testTarget(name: "UmbrellaFirebaseTests", dependencies: ["UmbrellaFirebase"]),
          .testTarget(name: "UmbrellaMixpanelTests", dependencies: ["UmbrellaMixpanel"]),
    +     .testTarget(name: "UmbrellaRaincoat", dependencies: ["UmbrellaRaincoat"]),
  2. Add a source file and a test file.

      ├── Sources
      │   ├── UmbrellaFirebase
      │   │   └── FirebaseProvider.swift
      │   ├── UmbrellaMixpanel
      │   │   └── MixpanelProvider.swift
    + │   ├── UmbrellaRaincoat
    + │   │   └── RaincoatProvider.swift
      |   ...
      ├── Tests
      │   ├── UmbrellaFirebaseTests
      │   │   └── FirebaseProviderTests.swift
      │   ├── UmbrellaMixpanelTests
      │   │   └── MixpanelProviderTests.swift
    + │   ├── UmbrellaRaincoatTests
    + │   │   └── RaincoatProviderTests.swift
      ... ...
  3. Add a CocoaPods dependency in Podfile.

     target 'UmbrellaFirebaseTests' do
       platform :ios, '8.0'
       pod 'Firebase/Analytics'
     target 'UmbrellaMixpanelTests' do
       platform :ios, '8.0'
       pod 'Mixpanel'
    + target 'UmbrellaRaincoatTests' do
    +   platform :ios, '8.0'
    +   pod 'Raincoat'
    + end
  4. Add a CocoaPods subspec in Umbrella.podspec.

      s.subspec "Firebase" do |ss|
        ss.source_files = "Sources/UmbrellaFirebase/*.swift"
        ss.dependency "Umbrella/Core"
      s.subspec "Mixpanel" do |ss|
        ss.source_files = "Sources/UmbrellaMixpanel/*.swift"
        ss.dependency "Umbrella/Core"
    + s.subspec "Raincoat" do |ss|
    +   ss.source_files = "Sources/UmbrellaRaincoat/*.swift"
    +   ss.dependency "Umbrella/Core"
    + end
  5. Create a Xcode workspace and run tests. Don't forget to check the code coverage to ensure that tests can cover the new provider.

    $ make project


Umbrella is under MIT license. See the [LICENSE](LICENSE) file for more info.

*Note that all licence references and agreements mentioned in the Umbrella README section above are relevant to that project's source code only.