Notes App

Notes App is simple Note Taking application based on local database application performing CRUD operations.

Features

• User can create and save Notes persistently.
• User can update notes.
• User can delete completed notes.
• User can prioritise their notes.
• Swipe to delete provides ease of deletion of note.

Project structure (MVVM)

• adapters
• models
  • db
    • entities
• repositories
• view
• viewmodels

Android with Java

• Prepopulating the data with Room Database Callbacks, which gives user an overview of the user interface to add notes according to their needs.
• List Adapter which is subclass of RecyclerView.Adapter provides perfomance improvement features like Diffutil, which populates the only view which is added to the existing list.
• Generic Async Tasks are implemented to run the long running tasks of the IO operations like inserting, updating, deleting etc., the items from the Room Database.
• The old startActivityForResult is implmented with ActivityResultLauncher, which provides ease of handling the intents and data flow of among the activities.

Tech stack used

• Room DB - Local Persistant Database for Application.
• Async Task - For asynchronous operations.
• ViewModel - Lifecycle aware library to manage data observing the lifecycle of licecycle owner.
• LiveData - State holder class to hold observable data.