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Getting Started with the Red App

The Red App is a SwiftUI sample application that exercises every major feature of the OneSignal iOS SDK. Use it to validate SDK behavior, test integrations, and explore the API surface on a simulator or physical device.

Red App screenshot

Prerequisites

Requirement Minimum Version
macOS 13 Ventura+
Xcode 15.0+
Swift 5.9+
iOS target 16.0+

Running the App

Option A — Open via the workspace (recommended)

  1. Open iOS_SDK/OneSignalSDK.xcworkspace in Xcode.
  2. In the scheme selector (top-left toolbar), choose OneSignalSwiftUIExample.
  3. Pick a simulator (e.g. iPhone 17 Pro) or a connected device.
  4. Press Cmd + R to build and run.

Your Xcode toolbar should look like this — scheme set to OneSignalSwiftUIExample, a simulator chosen, and the app running:

Xcode toolbar showing the app running

The workspace contains multiple schemes. Make sure OneSignalSwiftUIExample is selected:

Xcode scheme selector showing OneSignalSwiftUIExample

Once the app is running, SDK debug logs stream to the Xcode console — useful for verifying network calls, subscription state, and in-app message events:

Xcode console showing SDK debug logs

Option B — Open from the terminal

open iOS_SDK/OneSignalSDK.xcworkspace

Then follow steps 2–4 from Option A.

Option C — Open only the example project

Use this if you only need the sample app and don't plan to modify the SDK source.

open iOS_SDK/OneSignalSwiftUIExample/OneSignalSwiftUIExample.xcodeproj

Select the OneSignalSwiftUIExample scheme, pick a destination, and run.

Note: Opening the .xcworkspace (Options A/B) is preferred because it links the sample app against the SDK source, so any local SDK changes are picked up automatically.

Using Your Own App ID

The default App ID (77e32082-ea27-...c72e141824ef) is a shared test key. To use your own:

  1. Open iOS_SDK/OneSignalSwiftUIExample/OneSignalSwiftUIExample/Services/OneSignalService.swift.
  2. Replace the defaultAppId value with your OneSignal App ID (available at onesignal.com).

Features

The Red App is organized into scrollable sections, each mapping to a OneSignal SDK capability:

Section What It Does
Logs Collapsible live SDK log viewer with a configurable entry limit and clear button.
App Info Displays the current App ID and a consent-required toggle that gates SDK data processing.
User Shows login status (Anonymous / Identified) and External ID. Login and logout buttons to switch between user states.
Push Displays the Push Subscription ID, an enable/disable toggle, and permission status.
Send Push Notification Quick-fire buttons (Simple, Custom) to send test push notifications to the current device.
In-App Messaging Pause/resume in-app messages.
Send In-App Message Trigger a test in-app message.
Aliases Add and remove key-value aliases for the current user.
Email Add and remove email subscriptions.
SMS Add and remove SMS subscriptions.
Tags Manage user tags used for audience segmentation.
Outcome Events Fire unique, regular, or valued outcome events for analytics.
Triggers Set and remove in-app message triggers.
Track Event Send custom user events with optional properties.
Location Toggle location sharing and request location permissions.
Live Activities Start and manage iOS Live Activities via OneSignal.

Troubleshooting

Problem Fix
Build fails with missing framework Make sure you opened the .xcworkspace, not the .xcodeproj.
Push notifications don't arrive on simulator Push delivery requires a physical device with a valid APNs configuration. The simulator supports permission prompts and token generation but won't receive remote pushes.
"Consent Required" blocks SDK calls Toggle Consent Required off, or call the consent API to grant consent.