How to create Dynamic Button | set background to Button | setClickListener to the Button using Kotlin

• Create a new Button programmatically in Kotlin Android.

  var dynamicButton = Button(this)

dynamicButton.layoutParams=LinearLayout.LayoutParams

(LinearLayout.LayoutParams.WRAP_CONTENT,

LinearLayout.LayoutParams.WRAP_CONTENT)
dynamicButton.setPadding(20, 20, 20, 20)
dynamicButton.text = "Dynamic Button"

mainLayout.addView(dynamicButton)

• Set OnClickListener for Button -Kotlin Android.

dynamicButton.setOnClickListener {    
/* Write your code here */    
Toast.makeText(this, "My Dynamic button onClick", Toast.LENGTH_LONG).show() }
Disable All Caps in Android Button – Kotlin Android.

dynamicButton.isAllCaps = false

• How to create custom design for Button background in Kotlin Android.(in XML)

dynamicButton.background = getDrawable(R.drawable.btn_edge_color)

btn_edge_color.xml:-

<?xml version="1.0" encoding="utf-8"?>
<shape xmlns:android="http://schemas.android.com/apk/res/android"
    android:shape="rectangle">
    <corners android:radius="4dp" />
    <gradient
        android:angle="90"
        android:endColor="#FFFFFF"
        android:startColor="#FFFFFF" />
    <stroke
        android:width="4dp"
        android:color="#238da0" />
</shape>

• How to set background color of a Button dynamically or pragmatically in android kotlin.

val bgDrawableIds = intArrayOf(
    R.drawable.btn_center_gradient,
    R.drawable.btn_edge_color,
    R.drawable.btn_gradient,
    R.drawable.btn_solid_color)

var button = findViewById(R.id.buttonBg) as Button
var intCol = 0button.setOnClickListener {    

button.background = getDrawable(bgDrawableIds[intCol % bgDrawableIds.size])
    intCol++;