Android AlertDialog

  • Android AlertDialog can be used to display the dialog message with OK and Cancel buttons. It can be used to interrupt and ask the user about his/her choice to continue or discontinue.
  • Android AlertDialog is composed of three regions: title, content area and action buttons.
  • Android AlertDialog is the subclass of Dialog class.

Android AlertDialog Example

The simple example of android alert dialog that will help you to know android alert dialog as well.

activity_main.xml

You can have multiple components, here we are having only a textview.

File: activity_main.xml

strings.xml

Optionally, you can store the dialog message and title in the strings.xml file.

File: strings.xml

Activity class

Write the code to create and show the AlertDialog.

File: MainActivity.java

Output:

alertdialogoutput1

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