How to get EditText input value in Kotlin

In this android kotlin source code example, we are going to programmatically get EditText input 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 programmatically get EditText input 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.EditTextActivity12">

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

    <Button
        android:layout_width="match_parent"
        android:layout_height="wrap_content"
        android:text="Display Result"
        android:onClick="edtResult"
        android:textColor="#ffffff"
        android:textStyle="bold"
        android:textSize="15sp"
        android:background="@color/colorAccent"
        app:layout_constraintTop_toBottomOf="@id/edtField"/>

</androidx.constraintlayout.widget.ConstraintLayout>

MainActivity.kt

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

class EditTextActivity12 : AppCompatActivity() {
    var edtField: EditText? = null

    override fun onCreate(savedInstanceState: Bundle?) {
        super.onCreate(savedInstanceState)
        setContentView(R.layout.activity_edit_text12)
        edtField = findViewById<EditText>(R.id.edtField) as EditText
    }

    fun edtResult(view: View){
      Toast.makeText(this@EditTextActivity12, "Result: "+edtField?.text.toString(), Toast.LENGTH_LONG).show()
    }

}

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