How to resend SMS verification in Firebase Phone Authentication Android?

Question

According to Firebase documentation (https://firebase.google.com/docs/auth/android/phone-auth#send-a-verification-code-to-the-users-phone), there is callback fo

Answer 1

Updated code

fun resendOTP(activity: Activity,mobileNo: String){
    val options = PhoneAuthOptions.newBuilder(auth)
        .setPhoneNumber(mobileNo) // Phone number to verify
        .setTimeout(60L, TimeUnit.SECONDS) // Timeout and unit
        .setActivity(activity) // Activity (for callback binding)
        .setCallbacks(callback) // OnVerificationStateChangedCallbacks
        .setForceResendingToken(resendToken!!) // ForceResendingToken from callbacks
        .build()
    PhoneAuthProvider.verifyPhoneNumber(options)
}

For java see Github

Thanks to GGWP for link .