App Dev Worksheet: Accessibility

App development lesson 13: Accessibility · Set 84 · 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) fast-flashing lights (c) big touch targets (d) strong colour contrast
2. 2.🔍 Which is the odd one out? (a) tiny tap areas (b) colour as the only clue (c) big touch targets (d) icons with no labels
3. 3.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
   Label: 12 px
   Title: 13 px
   Hint: 14 px
   Footer: 21 px
   Caption: 10 px
4. 4.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
   Menu: 18 px
   Title: 12 px
   Label: 11 px
5. 5.♿ A screen has 9 icon buttons. Only 5 of them have a text label for screen readers. How many still need a label?
6. 6.♿ A screen has 6 icon buttons. Only 2 of them have a text label for screen readers. How many still need a label?
7. 7.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
   Caption: 18 px
   Footer: 22 px
   Label: 19 px
8. 8.Which of these helps everyone use the app? (a) tiny tap areas (b) colour as the only clue (c) labels on every icon (d) icons with no labels
9. 9.Which of these helps everyone use the app? (a) tiny tap areas (b) text that can grow (c) fast-flashing lights (d) icons with no labels
10. 10.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Menu: 10 px
    Hint: 18 px
    Label: 28 px (a) Menu (b) Label (c) Hint
11. 11.Which of these helps everyone use the app? (a) fast-flashing lights (b) sudden loud sounds (c) strong colour contrast (d) icons with no labels
12. 12.♿ A screen has 6 icon buttons. Only 1 of them have a text label for screen readers. How many still need a label?
13. 13.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Menu: 24 px
    Body text: 20 px
    Footer: 17 px
    Hint: 17 px
    Title: 14 px (a) Body text (b) Menu (c) Title (d) Footer
14. 14.🔍 Which is the odd one out? (a) text that can grow (b) fast-flashing lights (c) captions on videos (d) strong colour contrast
15. 15.Which of these helps everyone use the app? (a) sudden loud sounds (b) fast-flashing lights (c) tiny tap areas (d) captions on videos
16. 16.♿ Does this help everyone, or make the app harder to use: strong colour contrast? (a) makes it harder (b) helps everyone
17. 17.True or false: “strong colour contrast” makes the app harder to use. (a) False (b) True
18. 18.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Hint: 21 px
    Label: 9 px
    Body text: 18 px (a) Hint (b) Label (c) Body text
19. 19.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Body text: 27 px
    Footer: 25 px
    Menu: 12 px (a) Body text (b) Footer (c) Menu
20. 20.♿ Why add captions to videos? (a) so anyone can follow (b) to hide the sound (c) to add colour (d) to slow them down
21. 21.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Menu: 11 px
    Label: 27 px
    Caption: 27 px
    Hint: 25 px (a) Caption (b) Hint (c) Menu (d) Label
22. 22.♿ Does this help everyone, or make the app harder to use: tiny tap areas? (a) makes it harder (b) helps everyone
23. 23.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
    Label: 11 px
    Footer: 23 px
    Title: 17 px
    Hint: 23 px
24. 24.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
    Menu: 17 px
    Title: 24 px
    Hint: 19 px
    Label: 15 px
25. 25.🔍 Which is the odd one out? (a) labels on every icon (b) captions on videos (c) icons with no labels (d) text that can grow
26. 26.♿ Does this help everyone, or make the app harder to use: captions on videos? (a) helps everyone (b) makes it harder
27. 27.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
    Label: 13 px
    Footer: 23 px
    Caption: 18 px
28. 28.True or false: “fast-flashing lights” makes the app harder to use. (a) True (b) False
29. 29.♿ What should every icon-only button have for screen readers? (a) a long animation (b) a text label (c) a bright colour (d) a sound
30. 30.♿ Showing right or wrong only in red and green is a problem for ___. (a) fast typists (b) the server (c) colour-blind users (d) the battery
31. 31.♿ A screen has 6 icon buttons. Only 5 of them have a text label for screen readers. How many still need a label?
32. 32.Which of these makes the app harder to use? (a) big touch targets (b) sudden loud sounds (c) captions on videos (d) strong colour contrast
33. 33.♿ Does this help everyone, or make the app harder to use: labels on every icon? (a) makes it harder (b) helps everyone
34. 34.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Body text: 19 px
    Label: 10 px
    Title: 28 px
    Caption: 22 px (a) Label (b) Title (c) Body text (d) Caption
35. 35.True or false: “labels on every icon” helps everyone use the app. (a) True (b) False
36. 36.♿ Accessibility means an app works for ___. (a) everyone (b) only the coder (c) only experts (d) nobody
37. 37.♿ A screen has 8 icon buttons. Only 7 of them have a text label for screen readers. How many still need a label?
38. 38.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Hint: 25 px
    Title: 22 px
    Caption: 18 px
    Footer: 17 px
    Label: 9 px (a) Hint (b) Label (c) Title (d) Caption
39. 39.♿ A screen has 5 icon buttons. Only 2 of them have a text label for screen readers. How many still need a label?
40. 40.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Title: 22 px
    Label: 23 px
    Footer: 27 px
    Caption: 10 px
    Hint: 28 px (a) Footer (b) Caption (c) Label (d) Title

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