How to get a numeric value from EditText in Kotlin

In this android kotlin source code example, we are going to get a numeric value from 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 get a numeric value from 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.EditTextActivity19">

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

    <Button
        android:layout_width="match_parent"
        android:layout_height="wrap_content"
        android:background="@color/colorAccent"
        android:textStyle="bold"
        android:textColor="#ffffff"
        android:text="Get Numeric Value"
        android:onClick="getNumericValue"
        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 EditTextActivity19 : AppCompatActivity() {
    var edtField: EditText? = null

    override fun onCreate(savedInstanceState: Bundle?) {
        super.onCreate(savedInstanceState)
        setContentView(R.layout.activity_edit_text19)
        edtField = findViewById<EditText>(R.id.edtField) as EditText
    }

    fun getNumericValue(view: View){
        val value = Integer.parseInt(edtField?.getText().toString())
        Toast.makeText(this@EditTextActivity19, "Value $value", Toast.LENGTH_SHORT).show()

    }
}

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