How to prorammatically disable and enable EditText in Kotlin

In this android kotlin source code example, we are going to prorammatically disable and enable EditText in Kotlin.

You can copy and adopt this source code example to your Kotlin android project without reinventing the wheel.

Below is a step by step source code to prorammatically disable and enable EditText in Kotlin

activity_main.xml

<?xml version="1.0" encoding="utf-8"?>
<androidx.constraintlayout.widget.ConstraintLayout xmlns:android="http://schemas.android.com/apk/res/android"
    xmlns:app="http://schemas.android.com/apk/res-auto"
    xmlns:tools="http://schemas.android.com/tools"
    android:layout_width="match_parent"
    android:layout_height="match_parent"
    tools:context=".EditText.EditTextActivity5">

    <EditText
        android:id="@+id/edtField"
        android:layout_width="match_parent"
        android:layout_height="wrap_content"
        android:hint="Fullname"
        app:layout_constraintTop_toTopOf="parent"
        app:layout_constraintBottom_toBottomOf="parent"/>

    <Button
        android:id="@+id/enableEdt"
        android:layout_width="match_parent"
        android:layout_height="wrap_content"
        android:background="@color/colorAccent"
        android:layout_marginTop="15dp"
        android:layout_marginLeft="10dp"
        android:layout_marginRight="10dp"
        android:text="Enable EditText"
        android:onClick="edtFun"
        android:textColor="#ffffff"
        android:textStyle="bold"
        android:textSize="15sp"
        app:layout_constraintTop_toBottomOf="@id/edtField"/>

    <Button
        android:id="@+id/disableEdt"
        android:layout_width="match_parent"
        android:layout_height="wrap_content"
        android:background="@color/colorAccent"
        android:layout_marginTop="2dp"
        android:layout_marginLeft="10dp"
        android:layout_marginRight="10dp"
        android:text="Disable EditText"
        android:onClick="edtFun"
        android:textColor="#ffffff"
        android:textStyle="bold"
        android:textSize="15sp"
        app:layout_constraintTop_toBottomOf="@id/enableEdt"/>


</androidx.constraintlayout.widget.ConstraintLayout>

MainActivity.kt

import androidx.appcompat.app.AppCompatActivity
import android.os.Bundle
import android.view.View
import android.widget.EditText
import com.bluapp.kotlinview.R

class EditTextActivity5 : AppCompatActivity() {
    private var edtField : EditText? = null

    override fun onCreate(savedInstanceState: Bundle?) {
        super.onCreate(savedInstanceState)
        setContentView(R.layout.activity_edit_text5)
        edtField = findViewById<EditText>(R.id.edtField) as EditText
    }

    fun edtFun(view: View){
        if(view.id == R.id.enableEdt){
            edtField?.isEnabled = true
        }else{
            edtField?.isEnabled = false
        }
    }
}

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