Join David Gassner for an in-depth discussion in this video Creating and reading JSON data files, part of Android App Development: Local Data Storage (2013).
I'll go to my MainActivity class and scroll down toward the bottom of the code…and find the method createFile.…In this version of my createFile method I already have code to create a file in…internal storage--that is, a file that's local to the current application.…But I'll add code here to create a JSON data packet.…I'll place the cursor above any of the other code in the method, and I'll start…by creating an instance of the class JSONArray.…It's spelled J-S-O-N, in all uppercase, and then Array.…
And I'll name the object dat'.…
- Exploring local data storage options
- Creating an Android virtual device
- Starting a new project
- Defining preferences with Java and activities
- Creating and reading JSON and XML data files
- Creating a new SQLite database
- Inserting and retrieving data in the database
Skill Level Intermediate
1. Getting Started
2. Using Application Preferences
3. Using Internal and External File Storage
4. Working with SQLite Databases
5. Managing and Displaying SQLite Data
Improving the data display9m 29s
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