App Dev Worksheet: Permissions and Versions

App development lesson 23: Privacy, permissions and publishing · Set 158 · 40 questions

Developer's tip (Need it? Number it.): Ask only for permissions the app’s main job needs, and say why. Version = major.minor.patch. Bug fix → patch + 1; new feature → minor + 1, patch 0; big change → major + 1, others 0. Compare major, then minor, then patch as numbers: 10 is bigger than 9.

1. 1.True or false: a party-invite app for friends needs the microphone. (a) True (b) False
2. 2.🚀 In version 2.5.1, which number is the major version? (a) 5 (b) 1 (c) 251 (d) 2
3. 3.True or false: a guitar tuner needs your contacts. (a) True (b) False
4. 4.🔐 Which permission does a homework photo scanner really need? (a) the camera (b) contacts (c) the microphone (d) location
5. 5.🚀 Which version is newer: 3.1.5 or 3.1.17? (a) 3.1.17 (b) 3.1.5
6. 6.True or false: a walking map needs the camera. (a) True (b) False
7. 7.🚀 What should an app ask for only when it really needs it? (a) its name (b) a permission (c) its icon (d) a font
8. 8.🚀 Which of these versions is the OLDEST?
   1.14.1, 1.16.1, 0.28.6, 1.19.3 (a) 1.14.1 (b) 0.28.6 (c) 1.16.1 (d) 1.19.3
9. 9.🚀 Which of these versions is the NEWEST?
   1.13.5, 1.14.1, 0.26.1, 1.5.7 (a) 1.14.1 (b) 0.26.1 (c) 1.13.5 (d) 1.5.7
10. 10.True or false: a speak-to-type notes app needs your location. (a) False (b) True
11. 11.🚀 Which version is newer: 1.17.3 or 1.8.2? (a) 1.17.3 (b) 1.8.2
12. 12.🚀 A change from version 1.4.2 to 1.4.3 usually means ___. (a) a new feature (b) a big redesign (c) a new app (d) a bug fix
13. 13.🚀 Which of these versions is the NEWEST?
    1.22.0, 2.19.8, 2.12.3, 2.13.3 (a) 2.12.3 (b) 2.19.8 (c) 2.13.3 (d) 1.22.0
14. 14.🔐 Is this permission request fair or too much: calculator → location? (a) fair (b) too much
15. 15.🔐 Which permission does a selfie sticker app really need? (a) contacts (b) location (c) the camera (d) the microphone
16. 16.Which of these requests is fair? (a) timer → your photos (b) quiz app → microphone (c) calculator → location (d) camera app → camera
17. 17.Which of these requests asks for too much? (a) map app → location (b) voice notes → microphone (c) calculator → location (d) camera app → camera
18. 18.🚀 Which of these versions is the OLDEST?
    4.5.1, 4.16.0, 3.26.9, 4.17.9 (a) 4.5.1 (b) 3.26.9 (c) 4.16.0 (d) 4.17.9
19. 19.🚀 Which version is newer: 1.8.10 or 1.8.3? (a) 1.8.10 (b) 1.8.3
20. 20.🚀 Which version is newer: 4.8.16 or 4.8.2? (a) 4.8.16 (b) 4.8.2
21. 21.🔐 Is this permission request fair or too much: timer → your photos? (a) fair (b) too much
22. 22.🚀 Your app is at version 3.3.8. The next release fixes a small bug. What is its version number? (a) 3.4.0 (b) 4.0.0 (c) 3.3.9 (d) 3.4.8
23. 23.True or false: a party-invite app for friends needs your location. (a) True (b) False
24. 24.Which of these requests asks for too much? (a) map app → location (b) calling app → contacts (c) voice notes → microphone (d) torch → contacts
25. 25.🚀 Your app is at version 1.11.2. The next release is a big redesign that changes how the app works. What is its version number? (a) 1.12.2 (b) 1.12.0 (c) 2.0.0 (d) 1.11.3
26. 26.True or false: a voice recorder needs your contacts. (a) False (b) True
27. 27.Which of these requests is fair? (a) timer → your photos (b) torch → contacts (c) quiz app → microphone (d) calling app → contacts
28. 28.🔐 Is this permission request fair or too much: map app → location? (a) fair (b) too much
29. 29.🚀 Your app is at version 2.5.7. The next release is a big redesign that changes how the app works. What is its version number? (a) 2.5.8 (b) 2.6.7 (c) 3.0.0 (d) 2.6.0
30. 30.Which of these requests is fair? (a) timer → your photos (b) calculator → location (c) torch → contacts (d) voice notes → microphone
31. 31.🔐 Which permission does a barcode scanner really need? (a) contacts (b) location (c) the microphone (d) the camera
32. 32.🚀 Your app is at version 3.0.9. The next release is a big redesign that changes how the app works. What is its version number? (a) 3.0.10 (b) 3.1.0 (c) 4.0.0 (d) 3.1.9
33. 33.🚀 Which of these versions is the OLDEST?
    4.3.2, 4.10.1, 3.27.7, 4.7.9 (a) 4.3.2 (b) 4.10.1 (c) 4.7.9 (d) 3.27.7
34. 34.Which of these requests asks for too much? (a) map app → location (b) camera app → camera (c) quiz app → microphone (d) calling app → contacts
35. 35.🔐 Is this permission request fair or too much: voice notes → microphone? (a) fair (b) too much
36. 36.🚀 Your app is at version 1.3.6. The next release adds a new feature. What is its version number? (a) 1.3.7 (b) 2.0.0 (c) 1.4.6 (d) 1.4.0
37. 37.🚀 Which of these versions is the OLDEST?
    1.10.1, 0.25.0, 1.13.5, 1.14.0 (a) 1.13.5 (b) 1.14.0 (c) 1.10.1 (d) 0.25.0
38. 38.🔐 Which permission does a bus tracker really need? (a) the microphone (b) the camera (c) contacts (d) location
39. 39.🚀 Which version is newer: 3.7.10 or 3.7.4? (a) 3.7.4 (b) 3.7.10
40. 40.True or false: a selfie sticker app needs your contacts. (a) False (b) True

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