Phone Auth with Firebase App Check Debug Provider

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Step 2: Describe your environment

Android device: Emulator and Physical
Android OS version: 5.0 and above
Google Play Services version: 4.3.15
Firebase/Play Services SDK version: 22.1.1
FirebaseUI version: 8.0.2

Step 3: Describe the problem:

Steps to reproduce:

Use Firebase Phone Auth
Setup project with Firebase App Check
Run the app in both emulator or physical device

Observed Results:

Failed to work with unknown error occurred message.

Expected Results:

How to work with Firebase App Check Play Integrity Debug Provider since Firebase Phone Auth now is no longer working with deprecated SafetyNet?

Relevant Code:

Error logs:

Error getting App Check token; using placeholder token instead. Error: com.google.firebase.FirebaseException: Error returned from API. code: 403 body: App attestation failed.
Error getting App Check token; using placeholder token instead. Error: com.google.firebase.FirebaseException: Too many attempts.

[SmsRetrieverHelper] SMS verification code request failed: unknown status code: 18002 Invalid PlayIntegrity token; app not Recognized by Play Store.

SMS verification code request failed: unknown status code: 17093 null

com.google.firebase.auth.FirebaseAuthException: This request is missing a valid app identifier, meaning that Play Integrity checks, and reCAPTCHA checks were unsuccessful. Please try again, or check the logcat for more details.

We already generated a debug token App Check in console, already added both debug and release SHA 256 under Play Integrity. Then we add this codes:

build.gradle

   defaultConfig {
      testInstrumentationRunnerArguments["firebaseAppCheckDebugSecret"] = "DEBUG_TOKEN"
   }

    api 'com.google.firebase:firebase-appcheck-playintegrity:17.0.1'
    api 'com.google.firebase:firebase-appcheck-debug:17.0.1'
    api 'com.google.firebase:firebase-appcheck-ktx:17.0.1'
    api 'com.google.android.play:integrity:1.2.0'

    api 'com.google.firebase:firebase-appcheck-debug-testing:17.0.1'

Application.kt

       FirebaseApp.initializeApp(this)

        debugAppCheckTestHelper.withDebugProvider {
            // Test code that requires a debug AppCheckToken.
        }

        Firebase.analytics.setAnalyticsCollectionEnabled(BuildConfig.DEBUG.not())
        Firebase.crashlytics.setCrashlyticsCollectionEnabled(BuildConfig.DEBUG.not())
        Firebase.messaging.subscribeToTopic(AppConfig.FCM_TOPIC_ANNOUNCEMENT)

        Firebase.appCheck.installAppCheckProviderFactory(
            if (BuildConfig.DEBUG)
                DebugAppCheckProviderFactory.getInstance()
            else
                PlayIntegrityAppCheckProviderFactory.getInstance()
        )

Currently we are stuck since we do not know how to let Firebase UI's Firebase Auth know that we are using Debug Token

firebase / FirebaseUI-Android