Create a Notes App in Android Full code and simple explanation

Project Requirements:

The project should have the following advantages:

Develop a master Activity that displays memos or tasks in a list that the user adds.

Develop an Activity that enables the user to enter a new memo or task. This activity sends data entered by the user as a result of the activity you called. Note: Do not allow the sending of blank data.

Use the activity you developed by adding a button to add a new memo within the main activity that contains the list.

This application provides three types of memos, and the item for each memo in the list must be displayed in a different CardView format that contains data to express the type of memo.

For the view, you can use StaggeredGridLayoutManager. It is used to replace both GridLayoutManager and LinearLayoutManager in the RecyclerView to display items in a distinctive way.

The user can click on any note to modify its content. So you'll need to develop Activity to view the memo details. A note can also be removed by long pressing.

A class must be created to represent the data of each type of memo. These classes will be used in the list to display data. Note: You can use the concept of inheritance and if statements to be able to use more than one class to display data in a single list.

Extra points: Change the important background that has been accomplished to green.