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1. Install Xcode from App Store
2. Install Flutter
   1. Use the response from flutter doctor  to guide you through any other necessary installations (e.g., Android Studio, Chrome, CocoaPods, etc.)
   2. We currently do not support the Android version of the App but it’s necessary to have Android Studio installed for Flutter to function properly. 
   3. If you encounter the "Bad CPU type in executable" error with flutter doctor , maybe this would help
   4. If you have trouble installing Cocoapods with ruby, try installing with brew install cocoapods 
3. Pull the frontend-mobile repo from https://github.com/DIAPER-Project
4. For local testing and development, use the test server by switching the server URL to https://mobile-test.diaper-project.cfcom:5001/api in dev-mobile/lib/helper/API.dart .
   1. Note: the server URL may get updates in the future, please refer to the infra team/documentation for the new server url.
5. Once flutter doctor  yields no error, proceed with the following steps in https://flutter.dev/docs/get-started/editor to build and run the app
   1. Navigate to the dev-mobile  directory.
   2. Simulation (two ways)
      1. You need to first open the iOS simulator by running open -a Simulator  in the terminal and then run flutter run .
      2. In VSCode, in the bottom toolbar, click "No Device," choose "iPhone 13" from the top drop-down menu, then run flutter run  in the terminal.
   3. If you get a BUILD FAILED error of "No file or variants found for asset: assets/mobile_secrets.json", you need to create such a JSON file. The contents of this JSON file can be found in the DIAPER Confidential box (ask Liz for access) under "mobile secrets".

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For the TestFlight build, use the prod server by switching the server URL to https://mobile-prod.diaper-project.cfcom:5001/api in dev-mobile/lib/helper/API.dart . Note: the server URL may get updates in the future, please refer to the infra team/documentation for the new server URL.

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Once the app has been uploaded, go to App Store Connect and log in, you can find the new build (may take a while after uploading from Xcode) as in the screenshot. 

• Click "Manage" and choose "None of the algorithms mentioned above"

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• Now you can click into the up-to-date build and invite testers

Then, download the app TestFlight from the App store and Redeem Diaper Cohort with the TestFlight invitation code. There, you can play with your most recent build.