Mobile Fundamentals · Course 5
Mobile Operating Systems
How Android and iOS keep apps in their lanes.
- 1Where App Data Lives12 min · Every app keeps its own files. See where.
- 2Permissions10 min · Answer real permission prompts and see what you've handed over.
- 3Android vs iOS12 min · Two designs, two security models.
- 4Sandboxes14 min · The walls that keep one app from reading another's data.
Hands-on
Do it on the simulated phone
Every lesson has a lab you can try in your browser, plus questions that earn points toward the Sandbox badge.
Start lesson 1