FlutterFlow and Garmin Connect integration: Step-by-Step Guide 2024

   

• Basic understanding of FlutterFlow
• Existing FlutterFlow project
• Garmin Connect Developer account
• Knowledge of REST APIs and OAuth 2.0

 

• Sign Up/Login:
• Visit the Garmin Developers website.
• Sign up for a developer account or log in if you already have one.
• Create a New Project:
• Navigate to the "My Projects" section.
• Click on the "Create New Project" button.
• Fill in the required details such as project name, description, and category.
• Note down your Client ID and Client Secret for OAuth 2.0.

 

• Redirect URI Configuration:
• Set your Redirect URI. This URI will be used to handle the callback after user authentication.
• For development purposes, you can use a localhost address, but ensure it matches across your app and Garmin settings.
• Authorization URL:
• Generate an authorization URL using the following format:

https://connect.garmin.com/oauth/authorize?response_type=code&client_id=YOUR_CLIENT_ID&redirect_uri=YOUR_REDIRECT_URI&scope=profile:read_all

 

• Open FlutterFlow:
• Log in to FlutterFlow and open the project where you want to integrate Garmin Connect.
• Adding HTTP Request Actions:
• Navigate to the "Actions" section of FlutterFlow.
• Add a new action for HTTP Request and set it up to call the Garmin Connect API for fetching user data.
• Create Authentication Flow:
• Develop the authentication flow to handle OAuth 2.0. This includes:
• Redirecting the user to the Garmin authorization URL.
• Handling the callback to capture the authorization code.
• Exchanging the authorization code for an access token.

 

• Authorization Code Exchange:
• Define an HTTP POST request to the Garmin token endpoint:

POST https://connect.garmin.com/oauth/token

• Provide the necessary headers and body parameters:

{
 "client_id": "YOUR_CLIENT\_ID",
 "client_secret": "YOUR_CLIENT\_SECRET",
 "grant_type": "authorization_code",
 "code": "AUTHORIZATION\_CODE",
 "redirect_uri": "YOUR_REDIRECT\_URI"
}

• Fetching User Data:
• Use the obtained access token to fetch user profile data:

GET https://connect.garmin.com/userdata

• Include the Authorization header with the Bearer token:

{
 "Authorization": "Bearer ACCESS\_TOKEN"
}

 

• Creating Variables:
• Create variables in FlutterFlow to store the access_token, user_profile, and any other necessary data.
• Connecting Widgets to API:
• Bind FlutterFlow widgets (e.g., text fields, images) to the variables containing user data.
• Ensure that the data is dynamically populated once the API call is successful.
• Handling OAuth Callback:
• Add logic within FlutterFlow to handle the redirect from Garmin Connect, capture the authorization code, and trigger the token exchange workflow.

 

• Test User Authentication Flow:
• Simulate the OAuth flow by redirecting and providing consent in Garmin Connect.
• Ensure that the callback works correctly and that the authorization code is captured and exchanged for an access token.
• Verify Data Fetch:
• Confirm that the user profile data is successfully fetched and displayed within your FlutterFlow app.
• Error Handling:
• Implement error handling to manage cases where API calls fail or tokens are invalid/expired.
• Display relevant error messages to users.

 

• Optimize User Experience:
• Ensure a smooth user experience with proper loading indicators and error messages.
• Validate that all possible edge cases are handled gracefully.
• Deploy Application:
• Once thoroughly tested, deploy your FlutterFlow application.
• Monitor user feedback and server logs for any issues post-launch.

 

Following these detailed steps will help you successfully integrate Garmin Connect with your FlutterFlow project. Ensure to test thoroughly and handle all possible scenarios for a seamless user experience.