How to Create a Custom AlertDialog in Android?

In some cases for the AlertDialog, there is a need to get input from the user or customize it according to our requirements. That's where custom AlertDialogs comes in handy. In this article we are going to discuss on how to customize the AlertDialogs and take user input.

Example:

Steps to Implement of Custom AlertDialog

Step 1: Create an XML file custom_layout.xml

Add the below code in custom_layout.xml. This code defines the alert dialog box dimensions and adds an edit text to it.

custom_layout.xml:

Step 2: Add a Button in activity_main.xml

The button when clicked will show the AlertDialog box. 

activity_main.xml:

Layout:

Step 3: Add custom_layout.xml file

Add custom_layout.xml in that activity in which you want to show a custom alert dialog here it is added in MainActivity.

MainActivity File:

Output: