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bug: Deferred Deeplink not working and `App.getLaunchUrl()` return undefined.

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Assessment

Difficulty
4/5
Estimated time
3-5 days
Newbie friendliness
28/100
Issue type
Bug
Clarity
Needs clarification
Activity status
Stale
Tech stack
java, javascript, swift
Domain
api, mobile-dev

Research direction

Start with the App.getLaunchUrl() entry point and reproduce the deferred deep-link flow from the Android Play Store and iOS App Store scenarios described in the issue. Compare it with the working normal deep-link flow and the provided adb command. Done means the original link data is returned after installation on both platforms, or the limitation and supported setup are clearly documented.

Written by the indexing model from the issue text.

Description

platform: android platform: ios

Bug Report

Capacitor Version
💊   Capacitor Doctor  💊 

Latest Dependencies:

  @capacitor/cli: 4.7.3
  @capacitor/core: 4.7.3
  @capacitor/android: 4.7.3
  @capacitor/ios: 4.7.3

Installed Dependencies:

  @capacitor/cli: 3.2.2
  @capacitor/core: 3.2.2
  @capacitor/ios: 3.2.2
  @capacitor/android: 3.2.2

[success] iOS looking great! 👌
[success] Android looking great! 👌
Platform(s)

Android
iOS

Current Behavior

App.getLaunchUrl() return undefined.

Expected Behavior

it should return deferred deeplink when coming from playstore or app store after installing application.

Code Reproduction
async getAppLaunch(){
    const launchUrl = await App.getLaunchUrl();
    console.log(launchUrl)
    if (launchUrl && launchUrl.url) {
      // parse the launchUrl URL to extract the deep link data
      const deepLinkData = new URLSearchParams(launchUrl.url.split('?')[1]);
      console.log(deepLinkData.get('ddl')); // prints "mydeeplinkdata"
    }
  }
Other Technical Details

I am implementing deferred deeplink when user clicks on my link it and they dont have app installed it will take them to respective store after installation App.getLaunchUrl() is not returning original clicked link.

User clicks on this link which takes them to playstore:
https://play.google.com/store/apps/details?id=com.example.myapp&deeplinkdata=mydeeplinkdata
after installation how can i get data in my app?
Normal deeplinks are working. if user have app installed and click any link it open my app and takes them to respective content / page.

npm --version output: 9.3.1

node --version output: v16.13.1

pod --version output (iOS issues only): 1.11.3

Additional Context

i tried to setup play.google.com as my intent filter.
tried this ADC Command
adb shell am start -W -a android.intent.action.VIEW -d "https://play.google.com/store/apps/details?id=com.example.myapp&ddl=mydeeplinkdata" com.example.myapp

Nothing is working. haven't tried on ios but i need this for iOS Too.

Dominant language
Java
Stars
678
Forks
688
Avg merge
5d 11h
Merged PRs (30d)
3

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