Learn the skills you need to work comfortably with JSON and extend the functionality of your applications.
Overview
Syllabus
Introduction
- Your apps and JSON
- What you should know
- Exercise files
- A tour of Coderpad
- Data interchange formats
- JSON syntax
- Primitives
- Writing JSON
- Solution: Writing JSON strings
- Explore the sample app
- JSON libraries
- Add Gson as a dependency
- Use JSON to write data
- Read JSON from file
- Add properties to the Note class
- Add new field to the UI
- Solution: Deserialize and serialize JSON
- Working with arrays
- Write JSON arrays
- Read JSON arrays
- Define a JsonNotesFile class
- Keyed collections
- Use a map of notes
- Solution: Deserialize a collection of objects
- Write nested JSON
- Read nested JSON
- Test nested JSON
- Select fields to expose
- Configure serialized names
- ISO 8601
- Date and time in JSON
- Handle null values
- Solution: Customize the way JSON is written
- Next steps
Taught by
Jon-Luke West
