B4A Library Firebase UI Auth - a new Dimension in Authentication

This is a Wrap for the Firebase UI-bindings found at Github.

It offers Authentification using
- Google-Account (Tested)
- email and password authentification (Tested)
- Telephone-Authentification (Tested)
- Twitter (Not tested as i do not have a Twitter-Dev Account)
- Facebook (Not tested as i do not have a Facebookr-Dev Account)
- Authentification using a Custom Token generated by the FirebaseAdmin SDK (B4J Library currently in Beta)

For the last two (Twitter and Facebook) there must be made additional changes to the Manifest.

Requirements:
- B4A 7.8+
- Manifestchanges needed!
- You app needs to be AppCompat enabled (must use AppCompat)

Mandatory:
- Prepare your app to use Firebase. https://www.b4x.com/android/forum/threads/integrating-firebase-services.67692/#content
- Google Play Services Base - Snippet
- Firebase Base - Snippet
- Firebase Auth - Snippet
- Additional Manifestentries for the firebase-UI bindings

Add this line to your Manifest to define the needed Firebase UI Activities.

CreateResourceFromFile(Macro, FirebaseAnalytics.GooglePlayBase)
CreateResourceFromFile(Macro, FirebaseAnalytics.Firebase)
CreateResourceFromFile(Macro, FirebaseUI.uibindings)

- Mandatory additional Jars needed to the B4A Code

#AdditionalJar: androidx.legacy:legacy-support-core-utils
#AdditionalJar: androidx.annotation:annotation
#AdditionalJar: androidx.core:core
#AdditionalJar: androidx.appcompat:appcompat
#AdditionalJar: androidx.legacy:legacy-support-v4
#AdditionalJar: android.arch.lifecycle:extensions
#AdditionalJar: androidx.browser:browser
#AdditionalJar: androidx.cardview:cardview
#AdditionalJar: androidx.constraintlayout:constraintlayout
#AdditionalJar: com.google.android.material:material
#AdditionalJar: com.google.android.gms:play-services-auth
#AdditionalJar: com.google.firebase:firebase-core
#AdditionalJar: com.google.firebase:firebase-auth
#AdditionalJar: firebase-ui-auth-6.2.0.aar
#AdditionalJar: materialprogressbar-1.6.1.aar

#AdditionalRes: ..\res.FirebaseUI, com.firebase.ui.auth

Basically you setup the allowed Auth methods with this Code:

    Dim ib As SignInIntentBuilder
    ib.Initialize("",fbauth.createSignInIntentBuilder)

    ib.addProvider(ib.IdpEMAIL_PROVIDER)
    ib.addProvider(ib.IdpPHONE_VERIFICATION_PROVIDER)
    ib.addProvider(ib.IdpANONYMOUS_PROVIDER)
    ib.addProvider(ib.getIdpGOOGLE_PROVIDER("xxxx-yyyy.apps.googleusercontent.com"))
    'ib.addProvider(ib.IdpTWITTER_PROVIDER)
    'ib.addProvider(ib.IdpFACEBOOK_PROVIDER)
    Dim intent As Intent
    intent = ib.setIsSmartLockEnabled2(False,True).setAvailableProviders(ib.Providerlist).setTosUrl("http://URLtoTOS").setPrivacyPolicyUrl("http://URLtoTOS").build
    StartActivity(intent)

NOTES:
- To use Google Authentification with this lib you need to provide the default_web_client id.

You can find the Value in the google-services.json

1. Open the google-services.json with Notepad++
2. Search for your apps packagename, you´ll find a snippet like this

"client_info": {
"mobilesdk_app_id": "1:888939569991:android:83f82a2b632ab8bf",
"android_client_info": {
"package_name": "de.donmanfred.fbui"
}
},
"oauth_client": [
{
"client_id": "dddd-ffff.apps.googleusercontent.com",
"client_type": 1,
"android_info": {
"package_name": "de.donmanfred.fbui",
"certificate_hash": "hhhh"
}
},
{
"client_id": "xxxx-yyyy.apps.googleusercontent.com",
"client_type": 3
}

3. We are interested in the value of client_id from which client_type is 3.
4. Copy the value and use it in the getIdpGOOGLE_PROVIDER call above.

It will result in a Auth-Selection



Using email


Using new email:



FirebaseUI

Author: DonManfred (wrapper)
Version: 0.6

• FirebaseOptions
  
  • Functions:
    • Initialize (apiKey As String, appID As String, dbUrl As String, GcmsenderID As String, bucketID As String) As com.google.firebase.FirebaseOptions
      
• FirebaseUI
  
  • Events:
    • AccessTokenAvailable (success As Boolean, token As String)
    • IdTokenChanged (user As FirebaseUser)
    • ResetPassword (success As Boolean)
    • SignedIn (user As FirebaseUser)
    • SignedOut()
    • TokenAvailable (user As FirebaseUser, success As Boolean, token As String)
    • UpdateEmail (success As Boolean, email As String)
    • UpdatePassword (success As Boolean, password As String)
    • UpdateProfile (success As Boolean, request As Object)
  • Functions:
    • AddIdTokenListener (listener As com.google.firebase.auth.FirebaseAuth.IdTokenListener)
      
    • AddListener (listener As com.google.firebase.auth.FirebaseAuth.AuthStateListener)
      
    • CreateIdTokenListener As com.google.firebase.auth.FirebaseAuth.IdTokenListener
      
    • CreateListener As com.google.firebase.auth.FirebaseAuth.AuthStateListener
      
    • createSignInIntentBuilder As com.firebase.ui.auth.AuthUI.SignInIntentBuilder
      
    • Initialize (EventName As String, defaultClient As String)
      
    • RemoveIdTokenListener (listener As com.google.firebase.auth.FirebaseAuth.IdTokenListener)
      
    • RemoveListener (listener As com.google.firebase.auth.FirebaseAuth.AuthStateListener)
      
    • sendPasswordResetEmail (email As String)
      
    • SendSigninIntent (signin As Intent)
      
    • signInWithCustomToken (token As String)
      
    • signOut
      
    • updateEmail (newEmail As String)
      
    • updatePassword (newPassword As String)
      
  • Properties:
    • CurrentUser As FirebaseUser [read only]
      
    • LanguageCode As String [write only]
      
• FirebaseUser
  
  • Functions:
    • isAnonymous As Boolean
      
    • IsInitialized As Boolean
      
    • sendEmailVerification
      
  • Properties:
    • DisplayName As String [read only]
      
    • Email As String [read only]
      
    • PhoneNumber As String [read only]
      
    • PhotoUrl As String [read only]
      
    • Uid As String [read only]
      
• GoogleBuilder
  
  • Functions:
    • BARef As GoogleBuilder
      
    • build As com.firebase.ui.auth.AuthUI.IdpConfig
      
    • DefaultWebClient (client As String) As GoogleBuilder
      
    • setScopes (scopes As java.util.List) As GoogleBuilder
      Set the scopes that your app will request when using Google sign-in. See all <a
      href="https://developers.google.com/identity/protocols/googlescopes">available
      scopes</a>.
      scopes: additional scopes to be requested
    • setSignInOptions (options As com.google.android.gms.auth.api.signin.GoogleSignInOptions) As GoogleBuilder
      Set the {@link GoogleSignInOptions} to be used for Google sign-in. Standard
      options like requesting the user's email will automatically be added.
      options: sign-in options
  • Properties:
    • Params As android.os.Bundle [read only]
      
    • ProviderId As String [write only]
      
• SignInIntentBuilder
  
  • Functions:
    • addProvider (provider As com.firebase.ui.auth.AuthUI.IdpConfig)
      
    • build As Intent
      
    • clearProvider
      
    • getIdpGOOGLE_PROVIDER (client As String) As com.firebase.ui.auth.AuthUI.IdpConfig
      
      client:
      Return type: @return:config
    • GetIdpGOOGLE_PROVIDER2 (client As String, scopes As String()) As com.firebase.ui.auth.AuthUI.IdpConfig
      
    • GetIdpGOOGLE_PROVIDER3 (client As String) As com.firebase.ui.auth.AuthUI.IdpConfig
      
    • getResourceId (type As String, resourceName As String) As Int
      
    • Initialize (EventName As String, builder As com.firebase.ui.auth.AuthUI.SignInIntentBuilder)
      
    • IsInitialized As Boolean
      
    • setAlwaysShowSignInMethodScreen (alwaysShow As Boolean) As SignInIntentBuilder
      
    • setAvailableProviders (providers As java.util.List) As SignInIntentBuilder
      
    • setEmailLink (emailLink As String) As SignInIntentBuilder
      
    • setIsSmartLockEnabled (enabled As Boolean) As SignInIntentBuilder
      
    • setIsSmartLockEnabled2 (enableCredentials As Boolean, enableHints As Boolean) As SignInIntentBuilder
      
    • setLogo (logo As Int) As SignInIntentBuilder
      
    • setPrivacyPolicyUrl (privacyPolicyUrl As String) As SignInIntentBuilder
      
    • setTheme (theme As Int) As SignInIntentBuilder
      
    • setTosUrl (tosUrl As String) As SignInIntentBuilder
      
  • Properties:
    • IdpANONYMOUS_PROVIDER As com.firebase.ui.auth.AuthUI.IdpConfig [read only]
      
    • IdpEMAIL_PROVIDER As com.firebase.ui.auth.AuthUI.IdpConfig [read only]
      
    • IdpFACEBOOK_PROVIDER As com.firebase.ui.auth.AuthUI.IdpConfig [read only]
      
    • IdpGITHUB_PROVIDER As com.firebase.ui.auth.AuthUI.IdpConfig [read only]
      
    • IdpPHONE_VERIFICATION_PROVIDER As com.firebase.ui.auth.AuthUI.IdpConfig [read only]
      
    • IdpTWITTER_PROVIDER As com.firebase.ui.auth.AuthUI.IdpConfig [read only]
      
    • Providerlist As java.util.List [read only]
      

The Library is free to use. You can however donate for it if you want


Note to download the additional JARs and AARs from here:

FirebaseUI

Shared with Dropbox

www.dropbox.com

 

[Erel]

Nice work! Looks like a challenging library to create.

 

[Emme Developer]

5BT270796P071760R
I know it's not much, as much as I can at the moment, but would like to be a thank you for the work you do every day, with libraries, wrappers and user help. Thank you and merry Christmas

 

[yiankos1]

Merry Christmas Don,
Why i can't find attached lib?

 

[DonManfred]

Why i can't find attached lib?

I dont understand the question.
I tried to download all threee files from post #1 and it works fine here.

What exactly is the issue?

 

[yiankos1]

I dont understand the question.
I tried to download all threee files from post #1 and it works fine here.

What exactly is the issue?

Thank you for quick reply. I downloaded all three zips. At the second zip(with aar) there is no lib (.jar & xml file) in order to copy at libs folder. I just copied only .aar files but at running throws that i am missing a library.

 

[DonManfred]

It throws what? You did not post any error log with the crash. How do you expect i could help?

EDIT: OHHHHHH. I think i see! Wait a moment

 

[DonManfred]

Added the missing Library (SORRY!) to Post #1

 

[yiankos1]

Added the missing Library (SORRY!) to Post #1

Thank you very much for that quick assistance. Sorry for any inconvenience.

 

[DonManfred]

Sorry for any inconvenience.

at the end i should thank as you pointed out that the Library itself was missing

 

[yiankos1]

at the end i should thank as you pointed out that the Library itself was missing

So, even 17 likes at first post, i am the first one testing it!

 

[yiankos1]

Library working like a charm!!!

For the last two (Twitter and Facebook) there must be made additional changes to the Manifest.

I have already done the necessary work for facebook login configuration with direction of your previous firebase facebook login

EDIT:
If i attach this aar file from Facebook SDK:

#AdditionalJar: facebook-core.aar

i get this error:

** Activity (main) Resume **
onAuthStateChanged()
** Service (newinst2) Start **
---- AppUpdating.newinst2: service_started
** Service (newinst2) Start **
---- AppUpdating.newinst2: service_started
** Activity (main) Pause, UserClosed = false **
java.lang.NoClassDefFoundError: com.firebase.ui.auth.provider.FacebookProvider
    at com.firebase.ui.auth.ui.idp.AuthMethodPickerActivity.populateIdpList(AuthMethodPickerActivity.java:107)
    at com.firebase.ui.auth.ui.idp.AuthMethodPickerActivity.onCreate(AuthMethodPickerActivity.java:81)
    at android.app.Activity.performCreate(Activity.java:6289)
    at android.app.Instrumentation.callActivityOnCreate(Instrumentation.java:1119)
    at android.app.ActivityThread.performLaunchActivity(ActivityThread.java:2646)
    at android.app.ActivityThread.handleLaunchActivity(ActivityThread.java:2758)
    at android.app.ActivityThread.access$900(ActivityThread.java:177)
    at android.app.ActivityThread$H.handleMessage(ActivityThread.java:1448)
    at android.os.Handler.dispatchMessage(Handler.java:102)
    at android.os.Looper.loop(Looper.java:145)
    at android.app.ActivityThread.main(ActivityThread.java:5942)
    at java.lang.reflect.Method.invoke(Native Method)
    at java.lang.reflect.Method.invoke(Method.java:372)
    at com.android.internal.os.ZygoteInit$MethodAndArgsCaller.run(ZygoteInit.java:1388)
    at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:1183)

 

[Claudio Oliveira]

So, even 17 likes at first post, i am the first one testing it!

Yeah, that's right!
Although I haven't tried it yet, I really liked what the lib is expected to do.
I'l try to test it today...

 

[DonManfred]

i get this error

Please create a new thread in the Questions forum for your question.

Post the code you are using to initialize the providerlist....

 

[DonManfred]

Updated to V0.11

New:
- Authentification using a Custom Token generated by the FirebaseAdmin SDK (B4J Library currently in Beta)

 

[syderbit]

These include sendEmailVerification ??

 

[DonManfred]

These include sendEmailVerification ??

What do you mean exactly???
What is the question?

 

[syderbit]

What do you mean exactly???
What is the question?

sorry my bad english
when i use this library, how to request email verification to firebase auth??

 

[DonManfred]

when i use this library, how to request email verification to firebase auth??

there is no method for it in the UI Bindings. See github.

If you need a verification then you need to build this solution by yourself

 

[yiankos1]

Hello,
If i want to edit layout of this intent, which file should i edit?
Moreover, setLogo (logo As Int) As SignInIntentBuilder and setTheme (theme As Int) As SignInIntentBuilder what will be integers?
Thank you for your time.

Edit:
I figured out how to set logo with this code:

    Dim r As Reflector
    Dim package As String
    Dim id As Int
    package = r.GetStaticField("anywheresoftware.b4a.BA", "packageName")
    id = r.GetStaticField(package & ".R$drawable", "icon")

icon is the default .png inside this folder ..\FirebaseUI\Objects\res\drawable