Alert Dialog Box in Android

HELLO friends now we create a Alert Dialog Box in Android.
  • Alert Dialog Box is like a Popup window that confirm the user can do it or not.
  •  The code is placed in MainActivity.java file and create a onBackPressed() fun. and put into it.  



  • In this finish() function is used to close that Activity in which you apply that function.
  • Now you are able to create Your Own Alert Dialog Box in Android App.

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