Ryan, an app developer, has developed an app that can be used to take notes. This app allows the users to view, create, edit, and delete notes. Each note contains a title and description. To provide the preceding functionalities, Ryan has created the following pages in the app: Notes: Displays the titles of the existing notes.

Ryan, an app developer, has developed an app that can be used to take notes. This app allows
the users to view, create, edit, and delete notes. Each note contains a title and description. To
provide the preceding functionalities, Ryan has created the following pages in the app:
Notes: Displays the titles of the existing notes.
Add Note: Displays controls to specify the title and description of a note on the screen. In
addition, it contains controls on the App bar to save a note or cancel the adding note action.
Edit Note: Displays the controls containing the details of the selected note for editing on the
screen. In addition, it contains controls on the App bar to save the edited note or cancel the
editing note action.
Note Details: Displays the title and description of the selected note. In addition, it contains
controls on the App bar to delete and edit the current note. In addition, the App bar contains a
control to navigate to the Notes page.
Ryan noticed that once the app is terminated, it loses its data. However, the app must retain
information that it contains until the user explicitly deletes it.
Help Ryan to implement the preceding functionality.

Solution;

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