This app is made by use of dialog , toast,OnclickListner Method which make our app more interactive.

you can add data, remove data, item change on click listener, the icon for delete operation. read comments for better code understanding.

Instructions: Audio - find a sound that is free to use (such as an animal sound). Create an app that uses the sound.

Instructions: Loops - Create the app that uses loops on button clicks, which show in the log.

This application converts uppercase letter to lower case and vice versa. If you input string it will convert very first letter of string.

Instructions: Make a photo move after a button is clicked.