Memory leak on com.firebase.ui.auch.KickoffActivity

[viyt]

Describe your environment

• Android device:Nexus 6P
• Android OS version: 6.0.0
• Google Play Services version: 3.1.1
• Firebase/Play Services SDK version: 11.8.0
• FirebaseUI version: 3.1.3

Describe the problem:

After invoking AuthUI.getInstance().createSignInIntentBuilder() from Activity, LeakCanary reported a leak on the KickoffActivity as it can be seen in the leak canary's report screenshot.

Steps to reproduce:

1. Invoke AuthUI.getInstance().createSignInIntentBuilder() from Activity
2. Wait for LeakCanary to run and report the leak

Observed Results:

Screen of the leak above

Relevant Code:

 private void signIn() {
      startActivityForResult(
              AuthUI.getInstance().createSignInIntentBuilder()
                      .setLogo(R.drawable.logo_sp_mob)
                      .setTheme(R.style.AuthUITheme)
                      .setAvailableProviders(getSelectedProviders())
                      .setIsSmartLockEnabled(false)
                      .setAllowNewEmailAccounts(true)
                      .build(),
              RC_SIGN_IN);
  }

  private List<IdpConfig> getSelectedProviders() {
      Bundle params = new Bundle();
      params.putString(AuthUI.EXTRA_DEFAULT_COUNTRY_CODE, "uk");
      List<IdpConfig> selectedProviders = new ArrayList<>();
      selectedProviders.add(new IdpConfig.Builder(AuthUI.GOOGLE_PROVIDER).build());
      selectedProviders.add(new IdpConfig.Builder(AuthUI.FACEBOOK_PROVIDER).build());
      selectedProviders.add(new IdpConfig.Builder(AuthUI.EMAIL_PROVIDER).build());
      selectedProviders.add(new IdpConfig.Builder(AuthUI.PHONE_VERIFICATION_PROVIDER)
              .setParams(params).build());
      return selectedProviders;
  }

[samtstern]

@viyt thanks for the report! Sounds like a bug, we will investigate.

[yashnagda04]

any alternate solution?

[samtstern]

This has been fixed and released in version 3.2.0.