nicemak

fun isTextMoreThan(editText: EditText, charNumber: Int): Boolean {
        return if (editText.text.toString().length >= charNumber) {
            editText.background =
                ContextCompat.getDrawable(requireContext(), R.drawable.shape_edit_text)
            editText.background.alpha = 180
            true
        } else {
            editText.background = ContextCompat.getDrawable(
                requireContext(),

nicemak

package com.example.livedatatest

import android.content.Intent
import android.os.Bundle
import android.util.Log
import android.widget.Button
import android.widget.EditText
import androidx.appcompat.app.AppCompatActivity
import androidx.core.widget.addTextChangedListener
import androidx.lifecycle.lifecycleScope

nicemak

package com.example.test

import androidx.appcompat.app.AppCompatActivity
import android.os.Bundle
import android.text.Editable
import android.text.TextWatcher
import com.example.test.databinding.ActivityMainBinding

class MainActivity : AppCompatActivity() {

nicemak

fun String.formatIBAN(): String {
    val iban = replace("\\s+".toRegex(), "").uppercase(Locale.getDefault())
    val maxLength = (iban.length * 1.25).roundToInt()
    val result = StringBuilder(maxLength)
    iban.forEachIndexed { index, c ->
        when {
            index > 0 && index % 4 == 0 -> result.append(" $c")
            else -> result.append(c)
        }
    }