App Dev Worksheet: Accessibility

App development lesson 13: Accessibility · Set 105 · 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 of these makes the app harder to use? (a) text that can grow (b) sudden loud sounds (c) labels on every icon (d) big touch targets
2. 2.♿ A screen has 9 icon buttons. Only 2 of them have a text label for screen readers. How many still need a label?
3. 3.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
   Hint: 12 px
   Label: 11 px
   Title: 15 px
   Menu: 23 px
4. 4.🔍 Which is the odd one out? (a) captions on videos (b) tiny tap areas (c) sudden loud sounds (d) colour as the only clue
5. 5.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
   Title: 22 px
   Caption: 16 px
   Footer: 24 px
   Menu: 24 px
6. 6.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
   Caption: 12 px
   Body text: 18 px
   Label: 22 px
   Menu: 23 px
   Hint: 22 px (a) Body text (b) Caption (c) Menu (d) Label
7. 7.Which of these helps everyone use the app? (a) fast-flashing lights (b) sudden loud sounds (c) text that can grow (d) colour as the only clue
8. 8.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
   Footer: 18 px
   Hint: 28 px
   Body text: 19 px
   Title: 9 px (a) Body text (b) Title (c) Hint (d) Footer
9. 9.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
   Hint: 22 px
   Label: 19 px
   Title: 14 px (a) Label (b) Title (c) Hint
10. 10.♿ A screen has 11 icon buttons. Only 4 of them have a text label for screen readers. How many still need a label?
11. 11.True or false: “big touch targets” helps everyone use the app. (a) True (b) False
12. 12.Which of these helps everyone use the app? (a) tiny tap areas (b) strong colour contrast (c) icons with no labels (d) colour as the only clue
13. 13.♿ Does this help everyone, or make the app harder to use: tiny tap areas? (a) makes it harder (b) helps everyone
14. 14.True or false: “big touch targets” makes the app harder to use. (a) True (b) False
15. 15.Which of these helps everyone use the app? (a) fast-flashing lights (b) sudden loud sounds (c) colour as the only clue (d) captions on videos
16. 16.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Hint: 24 px
    Label: 18 px
    Menu: 9 px
    Caption: 23 px (a) Label (b) Caption (c) Menu (d) Hint
17. 17.♿ Does this help everyone, or make the app harder to use: big touch targets? (a) helps everyone (b) makes it harder
18. 18.♿ A screen has 12 icon buttons. Only 2 of them have a text label for screen readers. How many still need a label?
19. 19.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Title: 23 px
    Footer: 20 px
    Hint: 18 px
    Label: 22 px
    Caption: 12 px (a) Footer (b) Caption (c) Hint (d) Title
20. 20.♿ A screen has 9 icon buttons. Only 8 of them have a text label for screen readers. How many still need a label?
21. 21.True or false: “labels on every icon” makes the app harder to use. (a) False (b) True
22. 22.♿ Showing right or wrong only in red and green is a problem for ___. (a) fast typists (b) colour-blind users (c) the server (d) the battery
23. 23.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Menu: 20 px
    Footer: 20 px
    Caption: 9 px
    Title: 22 px (a) Caption (b) Title (c) Footer (d) Menu
24. 24.♿ Does this help everyone, or make the app harder to use: icons with no labels? (a) helps everyone (b) makes it harder
25. 25.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
    Title: 19 px
    Caption: 11 px
    Menu: 21 px
26. 26.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Menu: 14 px
    Body text: 17 px
    Caption: 18 px (a) Caption (b) Body text (c) Menu
27. 27.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
    Title: 22 px
    Caption: 14 px
    Hint: 11 px
    Body text: 24 px
    Footer: 22 px
28. 28.Which of these helps everyone use the app? (a) colour as the only clue (b) big touch targets (c) icons with no labels (d) fast-flashing lights
29. 29.♿ A screen has 10 icon buttons. Only 9 of them have a text label for screen readers. How many still need a label?
30. 30.♿ Does this help everyone, or make the app harder to use: sudden loud sounds? (a) helps everyone (b) makes it harder
31. 31.♿ Why add captions to videos? (a) to hide the sound (b) so anyone can follow (c) to add colour (d) to slow them down
32. 32.♿ Does this help everyone, or make the app harder to use: captions on videos? (a) helps everyone (b) makes it harder
33. 33.🔍 Which is the odd one out? (a) captions on videos (b) text that can grow (c) colour as the only clue (d) labels on every icon
34. 34.True or false: “colour as the only clue” makes the app harder to use. (a) False (b) True
35. 35.🔍 Which is the odd one out? (a) colour as the only clue (b) icons with no labels (c) tiny tap areas (d) text that can grow
36. 36.♿ Does this help everyone, or make the app harder to use: labels on every icon? (a) helps everyone (b) makes it harder
37. 37.♿ A screen has 6 icon buttons. Only 1 of them have a text label for screen readers. How many still need a label?
38. 38.Which of these helps everyone use the app? (a) icons with no labels (b) tiny tap areas (c) labels on every icon (d) sudden loud sounds
39. 39.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
    Title: 14 px
    Body text: 15 px
    Menu: 13 px
40. 40.🔍 Which is the odd one out? (a) big touch targets (b) sudden loud sounds (c) labels on every icon (d) strong colour contrast

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