How to dynamically change Radio button text in kotlin

In this android kotlin source code example, we are going to dynamically change the text of Radio button 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 dynamically change the text of Radio button 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:id="@+id/constraintLayout"
    android:layout_width="match_parent"
    android:layout_height="match_parent"
    tools:context=".TextViewAndRadioButton.TextViewAndRadioButtonActivity18">

</androidx.constraintlayout.widget.ConstraintLayout>

MainActivity.kt

import android.graphics.Color
import androidx.appcompat.app.AppCompatActivity
import android.os.Bundle
import android.view.ViewGroup
import android.widget.RadioButton
import android.widget.RadioGroup
import androidx.constraintlayout.widget.ConstraintLayout
import androidx.constraintlayout.widget.ConstraintSet
import com.bluapp.kotlinview.R

class TextViewAndRadioButtonActivity18 : AppCompatActivity() {

    override fun onCreate(savedInstanceState: Bundle?) {
        super.onCreate(savedInstanceState)
        setContentView(R.layout.activity_text_view_and_radio_button18)
        val constraintLayout = findViewById(R.id.constraintLayout) as ConstraintLayout
        val conParam = ConstraintLayout.LayoutParams(
            ViewGroup.LayoutParams.MATCH_PARENT,
            ViewGroup.LayoutParams.WRAP_CONTENT
        )
        conParam.topToTop = ConstraintSet.PARENT_ID
        conParam.bottomToBottom = ConstraintSet.PARENT_ID
        conParam.startToStart = ConstraintSet.PARENT_ID
        conParam.endToEnd = ConstraintSet.PARENT_ID
        val radioGroup = RadioGroup(this)
        radioGroup.orientation = RadioGroup.VERTICAL
        val malebutton = RadioButton(this)
        malebutton.text = "Male"
        malebutton.setTextColor(Color.BLACK)
        radioGroup.addView(malebutton)
        val femalebutton = RadioButton(this)
        femalebutton.text = "Female"
        femalebutton.setTextColor(Color.BLACK)
        radioGroup.addView(femalebutton)
        constraintLayout.addView(radioGroup, conParam)
    }
}

If you have any question or suggestions kindly use the comment box or you can contact us directly through our contact page below.

Add a Comment

This site uses Akismet to reduce spam. Learn how your comment data is processed.

50% Discounts On Projects

Do you have a custom project with a clear requirements, we are currently giving a 50% discount on all projects.

We will work with you to ensure we deliver what you need.

If you have questions or want to chat with us, you can reach us on Skype (henry.tochi)

Languages and technologies we use - Java, Kotlin, Laravel, Vue, React, Flutter, Swift and more.