App Dev Worksheet: Accessibility

App development lesson 13: Accessibility · Set 514 · 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 11 icon buttons. Only 8 of them have a text label for screen readers. How many still need a label?
2. 2.♿ A screen has 6 icon buttons. Only 1 of them have a text label for screen readers. How many still need a label?
3. 3.♿ Accessibility means an app works for ___. (a) nobody (b) only the coder (c) everyone (d) only experts
4. 4.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
   Title: 13 px
   Caption: 12 px
   Body text: 10 px
   Label: 13 px
   Hint: 12 px
5. 5.♿ Showing right or wrong only in red and green is a problem for ___. (a) the server (b) the battery (c) colour-blind users (d) fast typists
6. 6.Which of these makes the app harder to use? (a) text that can grow (b) captions on videos (c) tiny tap areas (d) big touch targets
7. 7.🔍 Which is the odd one out? (a) icons with no labels (b) tiny tap areas (c) sudden loud sounds (d) big touch targets
8. 8.♿ Does this help everyone, or make the app harder to use: labels on every icon? (a) makes it harder (b) helps everyone
9. 9.True or false: “captions on videos” makes the app harder to use. (a) True (b) False
10. 10.♿ Does this help everyone, or make the app harder to use: sudden loud sounds? (a) makes it harder (b) helps everyone
11. 11.True or false: “text that can grow” helps everyone use the app. (a) False (b) True
12. 12.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Hint: 12 px
    Title: 20 px
    Body text: 18 px
    Menu: 23 px (a) Title (b) Body text (c) Menu (d) Hint
13. 13.♿ Does this help everyone, or make the app harder to use: text that can grow? (a) makes it harder (b) helps everyone
14. 14.Which of these makes the app harder to use? (a) sudden loud sounds (b) strong colour contrast (c) labels on every icon (d) text that can grow
15. 15.True or false: “icons with no labels” helps everyone use the app. (a) True (b) False
16. 16.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
    Caption: 18 px
    Menu: 19 px
    Hint: 19 px
17. 17.🔍 Which is the odd one out? (a) text that can grow (b) fast-flashing lights (c) big touch targets (d) strong colour contrast
18. 18.Which of these makes the app harder to use? (a) text that can grow (b) fast-flashing lights (c) big touch targets (d) labels on every icon
19. 19.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Label: 23 px
    Hint: 24 px
    Caption: 10 px
    Title: 25 px (a) Title (b) Label (c) Caption (d) Hint
20. 20.♿ A screen has 10 icon buttons. Only 9 of them have a text label for screen readers. How many still need a label?
21. 21.♿ Why add captions to videos? (a) to slow them down (b) to hide the sound (c) to add colour (d) so anyone can follow
22. 22.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
    Label: 11 px
    Title: 22 px
    Footer: 17 px
    Caption: 22 px
23. 23.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Body text: 24 px
    Label: 24 px
    Hint: 10 px (a) Body text (b) Hint (c) Label
24. 24.Which of these helps everyone use the app? (a) colour as the only clue (b) icons with no labels (c) tiny tap areas (d) text that can grow
25. 25.🔍 Which is the odd one out? (a) text that can grow (b) captions on videos (c) big touch targets (d) icons with no labels
26. 26.🔍 Which is the odd one out? (a) fast-flashing lights (b) tiny tap areas (c) colour as the only clue (d) labels on every icon
27. 27.Which of these makes the app harder to use? (a) big touch targets (b) icons with no labels (c) labels on every icon (d) strong colour contrast
28. 28.Which of these helps everyone use the app? (a) icons with no labels (b) tiny tap areas (c) labels on every icon (d) fast-flashing lights
29. 29.♿ Does this help everyone, or make the app harder to use: captions on videos? (a) makes it harder (b) helps everyone
30. 30.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Body text: 25 px
    Hint: 11 px
    Footer: 23 px
    Label: 20 px
    Menu: 22 px (a) Label (b) Footer (c) Hint (d) Body text
31. 31.🔍 Which is the odd one out? (a) big touch targets (b) labels on every icon (c) text that can grow (d) colour as the only clue
32. 32.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Menu: 17 px
    Label: 22 px
    Caption: 10 px
    Body text: 18 px (a) Caption (b) Body text (c) Label (d) Menu
33. 33.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Title: 24 px
    Menu: 19 px
    Footer: 9 px
    Label: 22 px (a) Menu (b) Footer (c) Label (d) Title
34. 34.♿ A screen has 8 icon buttons. Only 3 of them have a text label for screen readers. How many still need a label?
35. 35.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
    Menu: 23 px
    Body text: 16 px
    Hint: 23 px
36. 36.♿ Does this help everyone, or make the app harder to use: tiny tap areas? (a) helps everyone (b) makes it harder
37. 37.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Label: 25 px
    Title: 11 px
    Caption: 20 px
    Hint: 25 px
    Menu: 22 px (a) Caption (b) Label (c) Hint (d) Title
38. 38.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Label: 18 px
    Footer: 14 px
    Menu: 25 px (a) Menu (b) Footer (c) Label
39. 39.♿ What should every icon-only button have for screen readers? (a) a bright colour (b) a text label (c) a long animation (d) a sound
40. 40.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
    Caption: 13 px
    Label: 18 px
    Menu: 21 px

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