Implementing Email Sign Up using firebase
- Add this dependency to build.gradle.kts.
implementation("com.google.firebase:firebase-auth:22.3.0") implementation("com.google.firebase:firebase-database:20.3.0")
RegisterActivity
package com.rrmchathura.realestate.activities
import android.app.ProgressDialog
import android.content.Intent
import androidx.appcompat.app.AppCompatActivity
import android.os.Bundle
import android.util.Log
import android.util.Patterns
import com.google.firebase.auth.FirebaseAuth
import com.google.firebase.database.FirebaseDatabase
import com.rrmchathura.realestate.MyUtils
import com.rrmchathura.realestate.databinding.ActivityRegisterEmailBinding
class RegisterEmailActivity : AppCompatActivity() {
private lateinit var binding:ActivityRegisterEmailBinding
private val TAG = "REGISTER_EMAIL_TAG"
private lateinit var firebaseAuth : FirebaseAuth
private lateinit var progressDialog: ProgressDialog
override fun onCreate(savedInstanceState: Bundle?) {
super.onCreate(savedInstanceState)
binding = ActivityRegisterEmailBinding.inflate(layoutInflater)
setContentView(binding.root)
progressDialog = ProgressDialog(this)
progressDialog.setTitle("Please wait")
progressDialog.setCanceledOnTouchOutside(false)
firebaseAuth = FirebaseAuth.getInstance()
binding.toolbarBackBtn.setOnClickListener {
finish()
}
binding.haveAccountTv.setOnClickListener {
finish()
}
binding.registerBtn.setOnClickListener {
validateData()
}
}
private var email = ""
private var password = ""
private var cPassword = ""
private fun validateData(){
email = binding.emailEt.text.toString().trim()
password = binding.passwordEt.text.toString()
cPassword = binding.cPasswordEt.text.toString()
Log.d(TAG,"validateData: Email $email")
Log.d(TAG,"validateData: Password $password")
Log.d(TAG,"validateData: cPassword $cPassword")
if (!Patterns.EMAIL_ADDRESS.matcher(email).matches()){
binding.emailEt.error = "Invalid email"
binding.emailEt.requestFocus()
}
else if (password.isEmpty()){
binding.passwordEt.error = "Enter password"
binding.passwordEt.requestFocus()
}
else if (cPassword.isEmpty()){
binding.cPasswordEt.error = "Confirm password"
binding.cPasswordEt.requestFocus()
}
else if (password != cPassword){
binding.cPasswordEt.error = "Password doesn't match"
binding.cPasswordEt.requestFocus()
}
else{
registerUser()
}
}
private fun registerUser(){
progressDialog.setMessage("Creating Account")
progressDialog.show()
firebaseAuth.createUserWithEmailAndPassword(email,password).addOnSuccessListener {
Log.e(TAG,"registerUser: Register Success")
updateUserInfo()
}
.addOnFailureListener { e->
Log.e(TAG,"registerUser: ${e.message}")
MyUtils.toast(this,"Failed due to ${e.message}")
progressDialog.dismiss()
}
}
private fun updateUserInfo(){
progressDialog.setMessage("Saving User Info.....")
progressDialog.show()
val timestamp = MyUtils.timestamp()
val registeredUserEmail = firebaseAuth.currentUser!!.email
val registeredUserUid = firebaseAuth.uid
val hashMap = HashMap()
hashMap["uid"] = "$registeredUserUid"
hashMap["email"] = "$registeredUserEmail"
hashMap["name"] = ""
hashMap["timestamp"] = timestamp
hashMap["phoneCode"] = ""
hashMap["phoneNumber"] = ""
hashMap["dob"] = ""
hashMap["userType"] = MyUtils.USER_TYPE_EMAIL
hashMap["token"] = ""
val ref = FirebaseDatabase.getInstance().getReference("Users")
ref.child("$registeredUserUid").setValue(hashMap).addOnSuccessListener {
Log.e(TAG,"updateUserInfo: Info saved")
progressDialog.dismiss()
startActivity(Intent(this,MainActivity::class.java))
finishAffinity()
}
.addOnFailureListener {e->
Log.e(TAG,"updateUserInfo: ${e.message}")
MyUtils.toast(this,"Failed due to ${e.message}")
progressDialog.dismiss()
}
}
}
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