Flutter Phone Authentication | Implementing Phone Auth Using Flutter & Firebase + Source Code

In this video you will learn phone number authentication using firebase and flutter, where we will design a login screen for getting phone number, a verification screen for getting 6 digit OTP code from firebase and verifying it, then logging user in and give access into our app.

The code is explained in a very simple way, and the source code is also clear. so be sure to follow the video till the end.

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[LazyTechNo]

For real devices:
add this line to app level build.gradle - implementation
and also add SHA-256 of your app into firebase.

[adoniashaile]

you work really hard for your little programmers! u do all this explanation even for free! 🤟🤟

[ashokkmr]

Which is best for flutter statement management?which one you always prefer ?

[harshitpanchal]

i have this type Exception : "This request is missing a valid app identifier, meaning that neither SafetyNet checks nor reCAPTCHA checks succeeded. Please try again, or check the logcat for more details."

[kadyr]

Thank you for a great tutorial! I've tried many tuts but just yours works perfect. So i have a question, do you plan to do a second part with a persisting user auth and some other features?

[Dawamid]

Thanks for the video... Is this first step for the video "like system" that u made?

[nimishbansal]

Loved your content, but when i use the same code as yours its showing error- This request is missing a valid app identifier, meaning that neither SafetyNet checks nor reCAPTCHA checks succeeded. Please try again, or check the logcat for more details.
I have enabled phone authentication in firebase console. Can you help??

[rizwanzafer]

The way you delivered the concept is very understanding. Thumbs up

[abrarlasebai]

wooaah. amazing explanation!! Thaank you!

[smart-tech]

hello techno, if the user has been verified successfully why did you just checked value.user != null? In what case the user can be null?

[DanishAli-dsut]

Sir
instead of PinPut if we use 6 textfield how can we compare the verification code then?

[m.galihpratama]

can i input username and password if I use number phone method. so in register form have 3 field (number phone, username, and password)

[sravankumaryadav]

Video is absolutely fine bro. All I want to know is how did you connect vscode to the emulator. please give me some reference for the same if possible.
PS: I am running on Ubuntu

[idkanymoreman]

first off thank you very much for this amazing tutorial,
and second what you did is logged in the user after the verification, what if we wanted to Register a new user after the verification, what can we do after the onSubmit on 20:57

[sparshbansal]

Sir, can we check if a phone number is already registered in firebase

[joelphilip]

Can you show an example using an actual number and not a test number?

[deepaks]

@LazyTechNo if we click next button it is going to otp screen without entering mobile number any solution to it . thanks in advance

[himanshudhankecha]

Great tutorial but OTP auto fill not working, sms is coming and I need to manually enter the SMS OTP inside the

[indrayuddroychowdhury]

The code works perfectly except when putting an invalid OTP, instead of showing the bar, it crashes the app and the code throws an error, any idea why?

[ahmedmokabel]

Good tutorial, we need new one with country picker