App Dev Worksheet: Accessibility

App development lesson 13: Accessibility · Set 161 · 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.♿ Does this help everyone, or make the app harder to use: strong colour contrast? (a) helps everyone (b) makes it harder
2. 2.♿ Does this help everyone, or make the app harder to use: sudden loud sounds? (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.Which of these makes the app harder to use? (a) labels on every icon (b) colour as the only clue (c) text that can grow (d) strong colour contrast
5. 5.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
   Title: 27 px
   Menu: 14 px
   Body text: 27 px (a) Title (b) Body text (c) Menu
6. 6.♿ Does this help everyone, or make the app harder to use: captions on videos? (a) makes it harder (b) helps everyone
7. 7.♿ Accessibility means an app works for ___. (a) everyone (b) nobody (c) only experts (d) only the coder
8. 8.Which of these helps everyone use the app? (a) colour as the only clue (b) tiny tap areas (c) fast-flashing lights (d) text that can grow
9. 9.♿ Why add captions to videos? (a) to slow them down (b) to hide the sound (c) to add colour (d) so anyone can follow
10. 10.True or false: “colour as the only clue” helps everyone use the app. (a) True (b) False
11. 11.🔍 Which is the odd one out? (a) big touch targets (b) captions on videos (c) strong colour contrast (d) colour as the only clue
12. 12.True or false: “labels on every icon” helps everyone use the app. (a) True (b) False
13. 13.♿ Showing right or wrong only in red and green is a problem for ___. (a) the battery (b) colour-blind users (c) fast typists (d) the server
14. 14.Which of these helps everyone use the app? (a) colour as the only clue (b) icons with no labels (c) tiny tap areas (d) labels on every icon
15. 15.🔍 Which is the odd one out? (a) sudden loud sounds (b) strong colour contrast (c) fast-flashing lights (d) icons with no labels
16. 16.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Footer: 27 px
    Title: 13 px
    Label: 19 px
    Hint: 27 px
    Body text: 19 px (a) Hint (b) Label (c) Footer (d) Title
17. 17.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
    Label: 15 px
    Caption: 12 px
    Hint: 15 px
    Body text: 18 px
    Title: 23 px
18. 18.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Body text: 11 px
    Menu: 27 px
    Hint: 22 px
    Label: 16 px (a) Label (b) Body text (c) Menu (d) Hint
19. 19.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Footer: 23 px
    Body text: 10 px
    Label: 20 px
    Title: 24 px
    Caption: 24 px (a) Body text (b) Label (c) Title (d) Footer
20. 20.♿ Does this help everyone, or make the app harder to use: labels on every icon? (a) helps everyone (b) makes it harder
21. 21.♿ What should every icon-only button have for screen readers? (a) a text label (b) a bright colour (c) a long animation (d) a sound
22. 22.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
    Title: 15 px
    Caption: 20 px
    Footer: 10 px
    Hint: 23 px
    Label: 23 px
23. 23.♿ A screen has 10 icon buttons. Only 5 of them have a text label for screen readers. How many still need a label?
24. 24.True or false: “strong colour contrast” helps everyone use the app. (a) False (b) True
25. 25.True or false: “text that can grow” makes the app harder to use. (a) True (b) False
26. 26.Which of these makes the app harder to use? (a) labels on every icon (b) text that can grow (c) tiny tap areas (d) strong colour contrast
27. 27.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Title: 24 px
    Menu: 13 px
    Body text: 24 px
    Hint: 28 px (a) Body text (b) Title (c) Hint (d) Menu
28. 28.🔍 Which is the odd one out? (a) strong colour contrast (b) labels on every icon (c) captions on videos (d) sudden loud sounds
29. 29.♿ A screen has 11 icon buttons. Only 1 of them have a text label for screen readers. How many still need a label?
30. 30.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
    Label: 17 px
    Hint: 23 px
    Body text: 16 px
    Footer: 19 px
31. 31.🔍 Which is the odd one out? (a) big touch targets (b) tiny tap areas (c) icons with no labels (d) sudden loud sounds
32. 32.♿ Does this help everyone, or make the app harder to use: tiny tap areas? (a) helps everyone (b) makes it harder
33. 33.True or false: “sudden loud sounds” helps everyone use the app. (a) True (b) False
34. 34.Which of these makes the app harder to use? (a) captions on videos (b) strong colour contrast (c) big touch targets (d) sudden loud sounds
35. 35.Which of these helps everyone use the app? (a) sudden loud sounds (b) captions on videos (c) icons with no labels (d) tiny tap areas
36. 36.♿ Does this help everyone, or make the app harder to use: icons with no labels? (a) helps everyone (b) makes it harder
37. 37.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
    Body text: 21 px
    Label: 16 px
    Caption: 11 px
38. 38.Which of these makes the app harder to use? (a) labels on every icon (b) fast-flashing lights (c) big touch targets (d) text that can grow
39. 39.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Footer: 17 px
    Menu: 10 px
    Label: 21 px (a) Footer (b) Menu (c) Label
40. 40.♿ A screen has 8 icon buttons. Only 1 of them have a text label for screen readers. How many still need a label?

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