What are Alert Dialogs
An Alert Dialog is used to show some information or to prompts the user to make.Dialogs can also be used to take input from users, such dialogs are called Customized Dialogs.
Buiding Alert Dialogs:
AlertDialog class is used to create Alert Dialog.Three things are required to create a dialog.
1:Title : The title of the dialog
2: Message: The message to be given in dialog.
3: Image(Optional): Image to displayed in Title Bar
