B4A Library Firebase phone number authentication

Enrico Fuoti · Feb 21, 2020

Here is my second lib, a wrap to integrate firebase auth phone number authentication.
It is working nicely on my app.
for reference visit: Authenticate with Firebase on Android using a Phone Number

FirebaseAuthPhone

Version: 1.9

Events:

phoneverification (success As Boolean, info As String)
phonesignedin (success As Boolean, User As FirebaseAuthPhoneUser, info As String)
oncodesent (success As Boolean, verificationid As String)
gettoken (success As Boolean, token As String, info As String)

Methods:

Initialize (eventName As String)
startPhoneNumberVerification (phoneNumber As String)
verifyPhoneNumberWithCode (verificationId As String, code As String)
currentToken ()
SignOut

Properties:

CurrentUser As FirebaseAuthPhoneUserWrapper [read only]

FirebaseAuthPhoneUser

Properties:

Anonymous As Boolean [read only]
IsInitialized As Boolean [read only]
ProviderData As List [read only]
ProviderId As String [read only]
Providers As List [read only]
Uid As String [read only]

Version1.8 released. It has been compiled with latest Firebase SDK and works with B4A 12.0+
Version1.9 released.Fixes a bug that caused application to crash when a wrong or expired code was entered.

Enrico Fuoti · Nov 11, 2022

scsjc said:
yes, i think the problem i haved in my project.

the captcha window, autoclose before select objects... ( anything from my app triger and close this window captcha )
is possible dissable windows captcha ?

I don't get the captcha request on my project. It may be related to a missing SHA-2 key
Try to go to your firebase project console and check SHA2 key. then re-download your google-services.json

scsjc · Nov 11, 2022

Enrico Fuoti said:
I don't get the captcha request on my project. It may be related to a missing SHA-2 key
Try to go to your firebase project console and check SHA2 key. then re-download your google-services.json

i have this configuration on firebase, not see SHA2, only see SHA-1 and SHA-256

The captcha asks me when it fires authphone_oncodesent .... with .... success=true and verificationid exists
the captcha that appears to me is to verify that a human is on the screen

Enrico Fuoti · Nov 11, 2022

scsjc said:
i have this configuration on firebase, not see SHA2, only see SHA-1 and SHA-256

Yes, sorry, I meant SHA-256. have you set this field with your SHA-256 value?

scsjc · Nov 11, 2022

scsjc said:
i have this configuration on firebase, not see SHA2, only see SHA-1 and SHA-256

View attachment 135893

The captcha asks me when it fires authphone_oncodesent .... with .... success=true and verificationid exists
the captcha that appears to me is to verify that a human is on the screen

yes i have a value in SHA-256

scsjc · Nov 11, 2022

i found in google a solution to hide recaptchaverifier, can you apply this?
https://firebase.google.com/docs/auth/web/phone-auth#use-invisible-recaptcha

madrigal115 · Dec 15, 2022

all the library versions before the 1.8 version do not work with b4a 12.
the 1.8 version has 2 problems 1st if we put the manual code wrong it is crashing, 2nd it is asking for a captcha every time we need to do verification.

i hope that you can find a solution for this issue

com.google.android.gms.tasks.RuntimeExecutionException: com.google.firebase.auth.FirebaseAuthInvalidCredentialsException: The sms verification code used to create the phone auth credential is invalid. Please resend the verification code sms and be sure use the verification code provided by the user.

at com.google.android.gms.tasks.zzu.getResult(com.google.android.gmslay-services-tasks@@17.2.0:15)

at anywheresoftware.b4a.FirebaseAuthPhone.FirebaseAuthPhoneWrapper$3.onComplete(FirebaseAuthPhoneWrapper.java:338)

Enrico Fuoti · Dec 16, 2022

madrigal115 said:
all the library versions before the 1.8 version do not work with b4a 12.
the 1.8 version has 2 problems 1st if we put the manual code wrong it is crashing, 2nd it is asking for a captcha every time we need to do verification.

i hope that you can find a solution for this issue

Hello Madrigal,
The 1.8 version is compiled with latest firebase sdk. I tested with sample project and worked fine. I did not get the errors you mentioned.
download the apk in the following link and test it. let me know if it works on your device,
It is compiled with b4a 12.
https://www.dropbox.com/s/bgn8isn5eyr9d0c/authsample.zip?dl=1
If it works, the problem may be in firebase sdk. It looks like there is an issue with it that affects apps that are published on playstore and have a long name.

madrigal115 · Dec 16, 2022

Enrico Fuoti said:
Hello Madrigal,
The 1.8 version is compiled with latest firebase sdk. I tested with sample project and worked fine. I did not get the errors you mentioned.
download the apk in the following link and test it. let me know if it works on your device,
It is compiled with b4a 12.
https://www.dropbox.com/s/bgn8isn5eyr9d0c/authsample.zip?dl=1
If it works, the problem may be in firebase sdk. It looks like there is an issue with it that affects apps that are published on playstore and have a long name.

the example that you sent me takes the phone number from the device and does auto verification, this is working fine with me, my case is if we want to enter the verification code manually if i put the code correct there is no problem but if i put the code wrong the app crashes.
pls note i made sure that i have the correct sdk and all i have downloaded is correct

kindly try the case that i am asking about once you put the code wrong

thank you

Enrico Fuoti · Dec 17, 2022

madrigal115 said:
the example that you sent me takes the phone number from the device and does auto verification, this is working fine with me, my case is if we want to enter the verification code manually if i put the code correct there is no problem but if i put the code wrong the app crashes.
pls note i made sure that i have the correct sdk and all i have downloaded is correct

kindly try the case that i am asking about once you put the code wrong

thank you

I added a new version on first post that should have fixed the bug.

hitesh.k · Mar 11, 2023

Hello thanks for lib is authsample program is working because i am getting error invalid phone number. when i check in loger phone number was not starting with + sign so i manualy add that then error came

Enrico Fuoti · Mar 12, 2023

Hello Hitesh,
I think is better to start a new thread for this.
The message refers to a SafetyNet verification problem.
This is normally happens when you did not set both SHA1 and SHA256 keys correctly,
but if you're testing the authsample demo, this is not the case.
The authsample works nicely on my phone.
Normally you sould not need to manually add/edit phone number,
it looks like in some phones the number is returned without international prefix
Firebase needs the number in international format having + country code at beginning.
Are you testing on a real device or emulator?
Have you tested the authsample on a second phone ?

hitesh.k · Mar 12, 2023

Ok thanks for reply i am testing in real device i will test on other device with different android ver

hitesh.k · Mar 12, 2023

I have tried on other device also had to add + sign and new error screenshot attached plz see

Enrico Fuoti · Mar 12, 2023

Hitesh,
I'm not sure, to understand, what exactly happens with your phone.
We should also verify if your country or phone provider is supported by Firebase.
please create a new thread or write me with a private message,
We'll try to identify the issue and a possible solution.

hitesh.k · Mar 12, 2023

Enrico Fuoti said:
Hitesh,
I'm not sure, to understand, what exactly happens with your phone.
We should also verify if your country or phone provider is supported by Firebase.
please create a new thread or write me with a private message,
We'll try to identify the issue and a possible solution.

Ok thanks

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