Building an Android App with Architecture Components

Introduction

• Welcome
• What you should know

1. Get Started

• The history and evolution of this app
• Explore the Architecture Components
• Create the starting project
• Import the project from GitHub
• Create a launcher icon
• Create other required graphics
• Add architecture component dependencies

2. Create the User Interface

• Add a RecyclerView to the main activity
• Create a custom layout for list rows
• Create a data entity class
• Create sample data for testing
• Display data with a RecyclerView adapter
• Create the note editor activity

3. Manage Data Persistence with Room

• Define a Room entity class
• Implement database operations in a DAO
• Define an SQLite database with Room
• Create a custom type converter
• Create a unit test for database logic

4. Manage Data and Business Logic

• Create a ViewModel for the list activity
• Create a repository class
• Add a feature to insert sample notes
• Subscribe to LiveData updates
• Add a feature to delete all notes

5. Edit and Delete Notes

• Add a ViewModel for the editor activity
• View an existing note in the editor
• Edit an existing note
• Create a new note
• Delete a note

6. Final Touches

• Handle device orientation changes
• Add divider lines to the RecyclerView

Conclusion

• Next steps