App Dev Worksheet: Accessibility

App development lesson 13: Accessibility · Set 85 · 40 questions

Developer's tip (Design for everyone): Our rule: text is at least 16 px; every icon has a text label for screen readers. Add captions to videos; never use colour as the only clue. Big touch targets and strong contrast help everyone.

1. 1.🔍 Which is the odd one out? (a) labels on every icon (b) fast-flashing lights (c) icons with no labels (d) sudden loud sounds
2. 2.♿ Does this help everyone, or make the app harder to use: colour as the only clue? (a) helps everyone (b) makes it harder
3. 3.True or false: “labels on every icon” makes the app harder to use. (a) True (b) False
4. 4.♿ Does this help everyone, or make the app harder to use: text that can grow? (a) helps everyone (b) makes it harder
5. 5.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
   Footer: 22 px
   Hint: 9 px
   Label: 18 px
   Caption: 16 px
   Menu: 24 px (a) Label (b) Hint (c) Caption (d) Footer
6. 6.Which of these makes the app harder to use? (a) sudden loud sounds (b) big touch targets (c) captions on videos (d) text that can grow
7. 7.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
   Caption: 13 px
   Footer: 23 px
   Label: 17 px
   Body text: 28 px (a) Body text (b) Label (c) Caption (d) Footer
8. 8.True or false: “fast-flashing lights” makes the app harder to use. (a) True (b) False
9. 9.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
   Menu: 12 px
   Title: 16 px
   Caption: 26 px
   Label: 24 px
   Hint: 16 px (a) Menu (b) Caption (c) Label (d) Title
10. 10.🔍 Which is the odd one out? (a) captions on videos (b) labels on every icon (c) big touch targets (d) icons with no labels
11. 11.♿ Why add captions to videos? (a) to add colour (b) so anyone can follow (c) to slow them down (d) to hide the sound
12. 12.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
    Label: 11 px
    Menu: 10 px
    Footer: 14 px
    Body text: 12 px
    Hint: 20 px
13. 13.True or false: “text that can grow” makes the app harder to use. (a) True (b) False
14. 14.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
    Body text: 11 px
    Label: 19 px
    Caption: 23 px
15. 15.♿ Does this help everyone, or make the app harder to use: captions on videos? (a) makes it harder (b) helps everyone
16. 16.Which of these makes the app harder to use? (a) big touch targets (b) labels on every icon (c) icons with no labels (d) captions on videos
17. 17.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
    Title: 18 px
    Footer: 17 px
    Body text: 17 px
    Label: 13 px
    Hint: 22 px
18. 18.♿ What does a screen reader do? (a) plays music (b) makes text tiny (c) reads the screen aloud (d) takes photos
19. 19.True or false: “icons with no labels” makes the app harder to use. (a) False (b) True
20. 20.♿ A screen has 11 icon buttons. Only 3 of them have a text label for screen readers. How many still need a label?
21. 21.♿ Does this help everyone, or make the app harder to use: icons with no labels? (a) helps everyone (b) makes it harder
22. 22.♿ Accessibility means an app works for ___. (a) nobody (b) only experts (c) everyone (d) only the coder
23. 23.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Caption: 11 px
    Title: 18 px
    Body text: 26 px (a) Body text (b) Caption (c) Title
24. 24.True or false: “icons with no labels” helps everyone use the app. (a) False (b) True
25. 25.True or false: “captions on videos” makes the app harder to use. (a) True (b) False
26. 26.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Title: 17 px
    Menu: 17 px
    Body text: 12 px
    Hint: 19 px
    Caption: 17 px (a) Hint (b) Menu (c) Title (d) Body text
27. 27.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Menu: 9 px
    Label: 28 px
    Title: 18 px (a) Title (b) Label (c) Menu
28. 28.Which of these helps everyone use the app? (a) text that can grow (b) tiny tap areas (c) icons with no labels (d) colour as the only clue
29. 29.♿ A screen has 6 icon buttons. Only 1 of them have a text label for screen readers. How many still need a label?
30. 30.♿ A screen has 8 icon buttons. Only 2 of them have a text label for screen readers. How many still need a label?
31. 31.True or false: “text that can grow” helps everyone use the app. (a) False (b) True
32. 32.Which of these makes the app harder to use? (a) big touch targets (b) labels on every icon (c) text that can grow (d) fast-flashing lights
33. 33.🔍 Which is the odd one out? (a) captions on videos (b) sudden loud sounds (c) labels on every icon (d) strong colour contrast
34. 34.Which of these helps everyone use the app? (a) tiny tap areas (b) colour as the only clue (c) big touch targets (d) fast-flashing lights
35. 35.♿ A screen has 7 icon buttons. Only 5 of them have a text label for screen readers. How many still need a label?
36. 36.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
    Hint: 13 px
    Label: 16 px
    Body text: 21 px
    Caption: 21 px
37. 37.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Label: 11 px
    Menu: 23 px
    Footer: 18 px
    Body text: 28 px (a) Footer (b) Menu (c) Label (d) Body text
38. 38.True or false: “sudden loud sounds” helps everyone use the app. (a) True (b) False
39. 39.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Body text: 17 px
    Title: 16 px
    Label: 13 px (a) Title (b) Body text (c) Label
40. 40.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
    Footer: 18 px
    Hint: 19 px
    Body text: 13 px

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