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Pendekatan Primitive - Pastebin.com
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- package com.dicoding.myreactiveform
- import android.os.Bundle
- import android.text.Editable
- import android.text.TextWatcher
- import android.util.Patterns
- import androidx.appcompat.app.AppCompatActivity
- import androidx.core.content.ContextCompat
- import com.dicoding.myreactiveform.databinding.ActivityMainBinding
- class MainActivity : AppCompatActivity() {
- private var emailValid = false
- private var passwordValid = false
- private var passwordConfirmationValid = false
- private lateinit var binding: ActivityMainBinding
- override fun onCreate(savedInstanceState: Bundle?) {
- super.onCreate(savedInstanceState)
- binding = ActivityMainBinding.inflate(layoutInflater)
- setContentView(binding.root)
- validateButton()
- binding.edEmail.addTextChangedListener(object : TextWatcher {
- override fun afterTextChanged(s: Editable?) {
- }
- override fun beforeTextChanged(s: CharSequence?, start: Int, count: Int, after: Int) {
- }
- override fun onTextChanged(s: CharSequence?, start: Int, before: Int, count: Int) {
- validateEmail()
- }
- })
- binding.edPassword.addTextChangedListener(object : TextWatcher {
- override fun afterTextChanged(s: Editable?) {
- }
- override fun beforeTextChanged(s: CharSequence?, start: Int, count: Int, after: Int) {
- }
- override fun onTextChanged(s: CharSequence?, start: Int, before: Int, count: Int) {
- validatePassword()
- }
- })
- binding.edConfirmPassword.addTextChangedListener(object : TextWatcher {
- override fun afterTextChanged(s: Editable?) {
- }
- override fun beforeTextChanged(s: CharSequence?, start: Int, count: Int, after: Int) {
- }
- override fun onTextChanged(s: CharSequence?, start: Int, before: Int, count: Int) {
- validatePasswordConfirmation()
- }
- })
- }
- fun validateEmail() {
- // jika password tidak valid tampilkan peringatan
- val input = binding.edEmail.text.toString()
- if (!Patterns.EMAIL_ADDRESS.matcher(input).matches()) {
- emailValid = false
- showEmailExistAlert(true)
- } else {
- emailValid = true
- showEmailExistAlert(false)
- }
- validateButton()
- }
- fun validatePassword() {
- // jika password < 6 karakter tampilkan peringatan
- val input = binding.edPassword.text.toString()
- if (input.length < 6) {
- passwordValid = false
- showPasswordMinimalAlert(true)
- } else {
- passwordValid = true
- showPasswordMinimalAlert(false)
- }
- validateButton()
- }
- fun validatePasswordConfirmation() {
- // jika konfirmasi password tidak sesuai tampilkan peringatan
- val input = binding.edConfirmPassword.text.toString()
- if (input != binding.edPassword.text.toString()) {
- passwordConfirmationValid = false
- showPasswordConfirmationAlert(true)
- } else {
- passwordConfirmationValid = true
- showPasswordConfirmationAlert(false)
- }
- validateButton()
- }
- private fun validateButton() {
- // jika semua field sudah terisi, enable button submit
- if (emailValid && passwordValid && passwordConfirmationValid) {
- binding.btnRegister.isEnabled = true
- binding.btnRegister.setBackgroundColor(ContextCompat.getColor(this, R.color.purple_500))
- } else {
- binding.btnRegister.isEnabled = false
- binding.btnRegister.setBackgroundColor(ContextCompat.getColor(this, android.R.color.darker_gray))
- }
- }
- private fun showEmailExistAlert(isNotValid: Boolean) {
- binding.edEmail.error = if (isNotValid) getString(R.string.email_not_valid) else null
- }
- private fun showPasswordMinimalAlert(isNotValid: Boolean) {
- binding.edPassword.error = if (isNotValid) getString(R.string.password_not_valid) else null
- }
- private fun showPasswordConfirmationAlert(isNotValid: Boolean) {
- binding.edConfirmPassword.error = if (isNotValid) getString(R.string.password_not_same) else null
- }
- }
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