iOS Universal Links in Flutter

Question

I can't seem to get iOS universal links on my Flutter app working. Here are the steps I have taken to setup universal links:

• Installed flutter uni_links package

• Uploaded the following apple-app-site-association (with actual values for Team ID & bundle identifier):

  {
    "applinks": {
     "details": [
          { 
              "appID": "xxxxxxx.com.bundleIdentifier", 
              "paths": [ "*" ], 
              "appIDs": ["xxxxxxx.com.bundleIdentifier"], 
              "components": [ 
                  { "/": "*" } 
              ] 
          }
     ]
  }}
  
  

• Validated apple-app-site-association file via https://branch.io/resources/aasa-validator/ (worth noting that I was not able to validate with Apple's appsearch-validation-tool - received error: "Could not extract required information for Universal Links.")

• Added the associated domain in my project capabilities: screenshot from xcode

Opening with /usr/bin/xcrun simctl openurl or clicking on the url on my mobile device (tried from notes app) still opens the url in safari instead of opening the app.

What could I be missing?

Solution 1

Another thing to check is if the associated domain is actually getting rolled into the build. This setting is in Xcode under Runner => Build Phases => Copy Bundle Resources. Hit the "+" button and add the .entitlements if it is missing. screenshot of xcode

(I don't remember where I came across this suggestion, whether stack overflow or a github issue, but will add it if I come across it again/remember it).

Solution 2

The device reads the AASA file only when the app’s version changes, try to change the version / use another device (/simulator of another device).

Comments

[Nour]

Tried to increment the version, deleted and reinstalled app, still didn't work :/

[Nour]

Yes my apple-app-site-association is hosted at /.well-known/apple-app-site-association. I can actually see my AASA when querying here: app-site-association.cdn-apple.com/a/v1. So I feel like that part must be correct

[Jago]

It would be worth noting the source of this info; I have not been able to find any reference to this around.