App Dev Worksheet: Accessibility

App development lesson 13: Accessibility · Set 490 · 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: colour as the only clue? (a) makes it harder (b) helps everyone
2. 2.♿ Accessibility means an app works for ___. (a) only experts (b) everyone (c) nobody (d) only the coder
3. 3.♿ A screen has 6 icon buttons. Only 3 of them have a text label for screen readers. How many still need a label?
4. 4.🔍 Which is the odd one out? (a) text that can grow (b) strong colour contrast (c) colour as the only clue (d) labels on every icon
5. 5.♿ What should every icon-only button have for screen readers? (a) a sound (b) a long animation (c) a bright colour (d) a text label
6. 6.♿ Does this help everyone, or make the app harder to use: text that can grow? (a) makes it harder (b) helps everyone
7. 7.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
   Caption: 13 px
   Menu: 13 px
   Label: 19 px
8. 8.♿ Showing right or wrong only in red and green is a problem for ___. (a) fast typists (b) the battery (c) the server (d) colour-blind users
9. 9.True or false: “tiny tap areas” helps everyone use the app. (a) False (b) True
10. 10.Which of these makes the app harder to use? (a) captions on videos (b) text that can grow (c) tiny tap areas (d) labels on every icon
11. 11.🔍 Which is the odd one out? (a) strong colour contrast (b) text that can grow (c) sudden loud sounds (d) big touch targets
12. 12.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Title: 20 px
    Hint: 9 px
    Body text: 20 px
    Label: 22 px
    Caption: 28 px (a) Body text (b) Hint (c) Title (d) Label
13. 13.♿ Does this help everyone, or make the app harder to use: tiny tap areas? (a) helps everyone (b) makes it harder
14. 14.♿ A screen has 7 icon buttons. Only 2 of them have a text label for screen readers. How many still need a label?
15. 15.True or false: “captions on videos” makes the app harder to use. (a) True (b) False
16. 16.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Body text: 26 px
    Footer: 17 px
    Title: 24 px
    Caption: 14 px (a) Title (b) Body text (c) Footer (d) Caption
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.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
    Body text: 22 px
    Title: 13 px
    Caption: 24 px
    Hint: 10 px
    Menu: 11 px
19. 19.♿ Does this help everyone, or make the app harder to use: captions on videos? (a) makes it harder (b) helps everyone
20. 20.True or false: “fast-flashing lights” makes the app harder to use. (a) False (b) True
21. 21.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Body text: 24 px
    Title: 23 px
    Caption: 18 px
    Label: 14 px (a) Caption (b) Body text (c) Label (d) Title
22. 22.♿ Why add captions to videos? (a) to hide the sound (b) to slow them down (c) to add colour (d) so anyone can follow
23. 23.Which of these makes the app harder to use? (a) icons with no labels (b) big touch targets (c) captions on videos (d) labels on every icon
24. 24.🔍 Which is the odd one out? (a) fast-flashing lights (b) big touch targets (c) text that can grow (d) captions on videos
25. 25.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Body text: 13 px
    Caption: 21 px
    Hint: 24 px (a) Body text (b) Caption (c) Hint
26. 26.♿ Does this help everyone, or make the app harder to use: labels on every icon? (a) makes it harder (b) helps everyone
27. 27.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
    Hint: 12 px
    Label: 12 px
    Caption: 13 px
    Body text: 17 px
    Footer: 11 px
28. 28.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Title: 13 px
    Label: 18 px
    Body text: 28 px (a) Title (b) Body text (c) Label
29. 29.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Label: 18 px
    Body text: 10 px
    Footer: 26 px
    Title: 25 px
    Caption: 28 px (a) Label (b) Body text (c) Footer (d) Title
30. 30.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
    Footer: 14 px
    Hint: 12 px
    Menu: 12 px
    Body text: 19 px
    Label: 20 px
31. 31.🔍 Which is the odd one out? (a) sudden loud sounds (b) big touch targets (c) icons with no labels (d) tiny tap areas
32. 32.True or false: “sudden loud sounds” makes the app harder to use. (a) True (b) False
33. 33.True or false: “text that can grow” helps everyone use the app. (a) True (b) False
34. 34.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
    Body text: 15 px
    Menu: 12 px
    Label: 24 px
35. 35.True or false: “text that can grow” makes the app harder to use. (a) True (b) False
36. 36.🔍 Which is the odd one out? (a) captions on videos (b) text that can grow (c) big touch targets (d) icons with no labels
37. 37.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Title: 10 px
    Body text: 21 px
    Menu: 23 px (a) Menu (b) Title (c) Body text
38. 38.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Body text: 27 px
    Footer: 10 px
    Hint: 24 px
    Menu: 26 px (a) Hint (b) Body text (c) Menu (d) Footer
39. 39.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
    Footer: 11 px
    Body text: 17 px
    Menu: 23 px
    Title: 19 px
40. 40.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Body text: 22 px
    Menu: 17 px
    Hint: 13 px
    Footer: 22 px
    Label: 26 px (a) Body text (b) Footer (c) Hint (d) Menu

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