Custom Dialog

activity_main.xml

<?xml version="1.0" encoding="utf-8"?>
<layout>
<LinearLayout 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=".MainActivity"
    android:orientation="vertical">

    <TextView
        android:layout_width="wrap_content"
        android:layout_height="wrap_content"
        android:text="Dialogs example"
         />
    

    <Button
        android:layout_width="match_parent"
        android:layout_height="wrap_content"
        android:id="@+id/bt2"
        android:text="custom"/>

    
</LinearLayout>
</layout>

MainActivity.kt

package com.androindian.dialogsex

import android.app.Dialog
import android.app.ProgressDialog
import androidx.appcompat.app.AppCompatActivity
import android.os.Bundle
import android.widget.Button
import android.widget.Toast
import androidx.appcompat.app.AlertDialog
import androidx.databinding.DataBindingUtil
import com.androindian.dialogsex.databinding.ActivityMainBinding
import com.google.android.material.transition.MaterialContainerTransform.ProgressThresholds

class MainActivity : AppCompatActivity() {
    var binding:ActivityMainBinding?=null
    override fun onCreate(savedInstanceState: Bundle?) {
        super.onCreate(savedInstanceState)
        binding= DataBindingUtil.setContentView(this,R.layout.activity_main)

        
            //custom

            binding?.bt2?.setOnClickListener {

                var dialog = Dialog(this)
                dialog.setContentView(R.layout.custom)
                dialog.setCancelable(false)

                var button: Button?=null

                button=dialog?.findViewById(R.id.bt3)

                button?.setOnClickListener {
                    Toast.makeText(this@MainActivity,"Hello",Toast.LENGTH_LONG).show()
                    dialog.dismiss()
                }

                dialog.show()
            }

        
        
    }
}

custom.xml

<?xml version="1.0" encoding="utf-8"?>
<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
    android:layout_width="match_parent"
    android:layout_height="match_parent"
    android:orientation="vertical">

    <TextView
        android:layout_width="match_parent"
        android:layout_height="wrap_content"
        android:text="hello"/>

    <Button
        android:layout_width="match_parent"
        android:layout_height="wrap_content"
        android:id="@+id/bt3"
        android:text="Click me"/>

    <CheckBox
        android:layout_width="match_parent"
        android:layout_height="wrap_content"
        android:text="Ched"/>

    <RadioButton
        android:layout_width="match_parent"
        android:layout_height="wrap_content"
        android:text="radio"/>

    <ProgressBar
        android:layout_width="match_parent"
        android:layout_height="wrap_content"/>
</LinearLayout>