App Dev Worksheet: Accessibility

App development lesson 13: Accessibility · Set 342 · 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.♿ A screen has 7 icon buttons. Only 5 of them have a text label for screen readers. How many still need a label?
2. 2.🔍 Which is the odd one out? (a) colour as the only clue (b) tiny tap areas (c) captions on videos (d) sudden loud sounds
3. 3.🔍 Which is the odd one out? (a) icons with no labels (b) text that can grow (c) labels on every icon (d) strong colour contrast
4. 4.Which of these helps everyone use the app? (a) icons with no labels (b) fast-flashing lights (c) sudden loud sounds (d) labels on every icon
5. 5.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
   Label: 10 px
   Hint: 17 px
   Body text: 19 px (a) Body text (b) Label (c) Hint
6. 6.♿ A screen has 11 icon buttons. Only 1 of them have a text label for screen readers. How many still need a label?
7. 7.♿ A screen has 9 icon buttons. Only 8 of them have a text label for screen readers. How many still need a label?
8. 8.🔍 Which is the odd one out? (a) labels on every icon (b) big touch targets (c) text that can grow (d) sudden loud sounds
9. 9.♿ Showing right or wrong only in red and green is a problem for ___. (a) the server (b) fast typists (c) colour-blind users (d) the battery
10. 10.True or false: “colour as the only clue” helps everyone use the app. (a) True (b) False
11. 11.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Footer: 14 px
    Label: 19 px
    Menu: 26 px
    Title: 26 px
    Body text: 21 px (a) Title (b) Menu (c) Footer (d) Label
12. 12.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
    Label: 22 px
    Caption: 14 px
    Title: 19 px
13. 13.🔍 Which is the odd one out? (a) strong colour contrast (b) colour as the only clue (c) fast-flashing lights (d) tiny tap areas
14. 14.♿ Why add captions to videos? (a) so anyone can follow (b) to hide the sound (c) to add colour (d) to slow them down
15. 15.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Label: 19 px
    Menu: 22 px
    Hint: 17 px
    Caption: 11 px
    Title: 23 px (a) Hint (b) Menu (c) Label (d) Caption
16. 16.♿ A screen has 5 icon buttons. Only 3 of them have a text label for screen readers. How many still need a label?
17. 17.♿ A screen has 5 icon buttons. Only 4 of them have a text label for screen readers. How many still need a label?
18. 18.True or false: “fast-flashing lights” makes the app harder to use. (a) False (b) True
19. 19.♿ Does this help everyone, or make the app harder to use: labels on every icon? (a) helps everyone (b) makes it harder
20. 20.♿ Accessibility means an app works for ___. (a) nobody (b) only the coder (c) only experts (d) everyone
21. 21.🔍 Which is the odd one out? (a) strong colour contrast (b) captions on videos (c) big touch targets (d) fast-flashing lights
22. 22.♿ A screen has 9 icon buttons. Only 7 of them have a text label for screen readers. How many still need a label?
23. 23.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
    Label: 12 px
    Menu: 10 px
    Caption: 14 px
    Title: 17 px
    Hint: 14 px
24. 24.True or false: “labels on every icon” helps everyone use the app. (a) False (b) True
25. 25.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
    Label: 11 px
    Menu: 15 px
    Title: 17 px
    Hint: 14 px
26. 26.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Title: 13 px
    Menu: 25 px
    Hint: 18 px (a) Menu (b) Hint (c) Title
27. 27.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
    Menu: 13 px
    Title: 23 px
    Caption: 18 px
    Footer: 15 px
    Body text: 10 px
28. 28.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Menu: 14 px
    Label: 22 px
    Caption: 18 px
    Body text: 22 px
    Footer: 27 px (a) Label (b) Caption (c) Menu (d) Body text
29. 29.True or false: “text that can grow” helps everyone use the app. (a) False (b) True
30. 30.♿ Does this help everyone, or make the app harder to use: captions on videos? (a) makes it harder (b) helps everyone
31. 31.Which of these makes the app harder to use? (a) big touch targets (b) strong colour contrast (c) icons with no labels (d) captions on videos
32. 32.♿ Does this help everyone, or make the app harder to use: fast-flashing lights? (a) helps everyone (b) makes it harder
33. 33.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Title: 9 px
    Caption: 16 px
    Menu: 19 px
    Label: 17 px (a) Label (b) Menu (c) Title (d) Caption
34. 34.♿ A screen has 6 icon buttons. Only 1 of them have a text label for screen readers. How many still need a label?
35. 35.♿ Does this help everyone, or make the app harder to use: text that can grow? (a) helps everyone (b) makes it harder
36. 36.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
    Body text: 13 px
    Hint: 21 px
    Title: 10 px
37. 37.🔍 Which is the odd one out? (a) colour as the only clue (b) icons with no labels (c) sudden loud sounds (d) big touch targets
38. 38.Which of these makes the app harder to use? (a) sudden loud sounds (b) strong colour contrast (c) big touch targets (d) labels on every icon
39. 39.🔍 Which is the odd one out? (a) fast-flashing lights (b) sudden loud sounds (c) tiny tap areas (d) text that can grow
40. 40.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
    Body text: 12 px
    Title: 17 px
    Footer: 24 px
    Menu: 21 px
    Caption: 10 px

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