Building an Android App with Jetpack Libraries

Speed up your development workflow with Android Jetpack. Learn how to use Jetpack libraries to build Android apps faster and more efficiently.

Introduction

• Explore the Android Jetpack libraries
• What you should know
• Install the finished app from Google Play

1. Getting Started

• The history of Plain Ol' Notes
• Configure Android Studio for this app
• Clone the exercise files repo from GitHub
• Create a launcher icon
• Create other required graphics

2. Display a List of Data Objects

• Add a navigation controller to the activity
• Add a RecyclerView to the main fragment
• Create a custom layout for list rows
• Create a data entity class
• Create sample data for testing
• Create a RecyclerView adapter
• Bind data to the RecyclerView

3. Create an Editor Screen

• Add a second fragment to edit notes
• Handle a click event on a list item
• Pass selected data to a fragment
• Navigate up to a previous destination

4. Manage Data Persistence with Room

• Turn a data class into a Room entity
• Implement database operations in a DAO
• Create a custom type converter
• Define an SQLite database with Room
• Create a unit test for database logic
• Challenge: Add another unit test for database logic
• Solution: Add another unit test for database logic

5. Manage Data and Business Logic

• Add an options menu to the main fragment
• Add sample notes to the database
• Support selecting RecyclerView items
• Delete selected notes from the database
• Challenge: Support deleting all notes
• Solution: Support deleting all notes

6. Edit and Update Notes

• Display a selected note in the editor fragment
• Edit existing notes
• Create new notes
• Maintain editor state through configuration changes
• Maintain note selections through configuration changes

Conclusion

• Next steps