Mobile and Offline Developer Guide

Mobile App Development with Lightning Web Components and LWC Offline
Create Mobile-Ready Components
Use Mobile Device Features in Mobile Apps
Offline Considerations and Limitations
Offline Environment Details
Use Salesforce Features While Offline
Development Tools and Processes
Understand the Mobile Development Cycle
Set Up Your Development Environment
Preview Components on Mobile
Validate Lightning Web Components for Offline Use
Develop Offline-Ready LWCs with the LWC Offline Test Harness
Test Harness Overview
Install the Test Harness App
Test Harness Prerequisites
Test Harness Compatibility
Download and Install — Android
Download and Install — iOS
Use the Test Harness App
Debug Lightning Web Components
Debug Mobile Components
Customize the Offline Experience for the Salesforce Mobile App
Quick Start Tutorials
PDF

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Download and Install — iOS

Once your mobile development tools are up and running, getting started with Test Harness on iOS virtual devices is a breeze.
  1. Download the Test Harness iOS app file.
  2. Open Xcode and start a simulator compatible with Test Harness.
    For help with simulators in Xcode, see Getting Started in Simulator (Apple).
  3. Using Finder, navigate to your Downloads folder.
  4. Locate the Test Harness iOS app file you downloaded (its name is LSDKTestHarness.app.zip, or similar).
  5. Unzip LSDKTestHarness.app.zip by double-clicking it. Then, find the newly extracted file in your Downloads folder, named LSDKTestHarness.app.
  6. Drag the LSDKTestHarness.app onto a running iOS simulator.
The Test Harness app is now installed on your simulated device.