Customized Alert Dialog android

 Xml :

<?xml version="1.0" encoding="utf-8"?>
<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
    xmlns:app="http://schemas.android.com/apk/res-auto"
    android:layout_width="match_parent"
    android:layout_height="300dp"
    android:orientation="vertical">
    >
    <androidx.cardview.widget.CardView
        android:layout_width="match_parent"
        android:layout_height="300dp"
        app:cardBackgroundColor="@android:color/white"
        app:cardCornerRadius="20dp">
        <LinearLayout
            android:layout_width="match_parent"
            android:layout_height="match_parent"
            android:orientation="vertical"
            android:weightSum="3">

            <LinearLayout
                android:layout_width="match_parent"
                android:layout_height="0dp"
                android:layout_weight="0.5"
                android:background="@android:color/darker_gray"
                android:orientation="vertical">

                <TextView
                    android:layout_width="wrap_content"
                    android:layout_height="wrap_content"
                    android:layout_gravity="center_horizontal"
                    android:layout_marginTop="10dp"
                    android:gravity="center_vertical"
                    android:text="Hello"
                    android:textColor="@android:color/white"
                    android:textStyle="bold" />

            </LinearLayout>

            <LinearLayout
                android:layout_width="match_parent"
                android:layout_height="0dp"
                android:layout_gravity="center"
                android:layout_weight="2"
                android:gravity="center"
                android:orientation="vertical">

                <TextView
                    android:layout_width="wrap_content"
                    android:layout_height="wrap_content"
                    android:layout_gravity="center"
                    android:gravity="center"
                    android:text="Provie Email Please Check your Email" />


            </LinearLayout>


            <LinearLayout
                android:layout_width="match_parent"
                android:layout_height="wrap_content"
                android:layout_weight="0.5"
                android:gravity="center">

                <Button
                    android:id="@+id/procedBtn"
                    android:layout_width="wrap_content"
                    android:layout_height="wrap_content"
                    android:backgroundTint="@android:color/holo_orange_light"
                    android:text="Proces" />
            </LinearLayout>

        </LinearLayout>

    </androidx.cardview.widget.CardView>

</LinearLayout>

Java:

package com.rztechtunes.myapplication;

import androidx.appcompat.app.AlertDialog;
import androidx.appcompat.app.AppCompatActivity;

import android.app.Activity;
import android.app.Dialog;
import android.graphics.Color;
import android.graphics.drawable.ColorDrawable;
import android.os.Bundle;
import android.view.Gravity;
import android.view.LayoutInflater;
import android.view.View;
import android.view.Window;
import android.view.WindowManager;
import android.widget.Button;
import android.widget.Toast;

public class MainActivity extends AppCompatActivity {

    @Override
    protected void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.activity_main);


    }

    public void Button(View view) {
        AlertDialog.Builder build = new AlertDialog.Builder(this);
        LayoutInflater mlLayoutInflater=LayoutInflater.from(MainActivity.this);
        final  View dialView=mlLayoutInflater.inflate(R.layout.allert_layout,null);
        build.setView(dialView);
        Button proced = dialView.findViewById(R.id.procedBtn);

        proced.setOnClickListener(new View.OnClickListener() {
            @Override
            public void onClick(View view) {
                Toast.makeText(MainActivity.this, "Button Clicked", Toast.LENGTH_SHORT).show();
            }
        });
        AlertDialog dialog_card = build.create();
        dialog_card.getWindow().setBackgroundDrawable(new ColorDrawable(Color.TRANSPARENT));
        dialog_card.show();

    }


}