App Dev Worksheet: Accessibility

App development lesson 13: Accessibility · Set 144 · 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: labels on every icon? (a) helps everyone (b) makes it harder
2. 2.Which of these helps everyone use the app? (a) colour as the only clue (b) tiny tap areas (c) text that can grow (d) fast-flashing lights
3. 3.♿ What does a screen reader do? (a) makes text tiny (b) plays music (c) takes photos (d) reads the screen aloud
4. 4.True or false: “sudden loud sounds” makes the app harder to use. (a) True (b) False
5. 5.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
   Menu: 20 px
   Body text: 13 px
   Label: 16 px
6. 6.♿ Does this help everyone, or make the app harder to use: sudden loud sounds? (a) makes it harder (b) helps everyone
7. 7.Which of these helps everyone use the app? (a) fast-flashing lights (b) strong colour contrast (c) tiny tap areas (d) colour as the only clue
8. 8.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
   Footer: 23 px
   Body text: 26 px
   Label: 26 px
   Caption: 12 px
   Title: 28 px (a) Body text (b) Footer (c) Label (d) Caption
9. 9.Which of these makes the app harder to use? (a) labels on every icon (b) colour as the only clue (c) strong colour contrast (d) captions on videos
10. 10.True or false: “sudden loud sounds” helps everyone use the app. (a) False (b) True
11. 11.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
    Body text: 24 px
    Hint: 23 px
    Label: 20 px
12. 12.True or false: “labels on every icon” helps everyone use the app. (a) True (b) False
13. 13.♿ Accessibility means an app works for ___. (a) everyone (b) nobody (c) only experts (d) only the coder
14. 14.♿ A screen has 9 icon buttons. Only 2 of them have a text label for screen readers. How many still need a label?
15. 15.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Caption: 22 px
    Footer: 25 px
    Label: 11 px
    Menu: 18 px (a) Caption (b) Menu (c) Label (d) Footer
16. 16.🔍 Which is the odd one out? (a) captions on videos (b) big touch targets (c) text that can grow (d) colour as the only clue
17. 17.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Caption: 11 px
    Footer: 25 px
    Label: 19 px
    Body text: 22 px (a) Label (b) Body text (c) Caption (d) Footer
18. 18.♿ 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
19. 19.🔍 Which is the odd one out? (a) sudden loud sounds (b) labels on every icon (c) icons with no labels (d) tiny tap areas
20. 20.True or false: “text that can grow” makes the app harder to use. (a) True (b) False
21. 21.🔍 Which is the odd one out? (a) sudden loud sounds (b) strong colour contrast (c) colour as the only clue (d) icons with no labels
22. 22.♿ A screen has 10 icon buttons. Only 1 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. Which text on this screen is too small?
    Title: 9 px
    Body text: 17 px
    Caption: 22 px (a) Body text (b) Caption (c) Title
24. 24.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
    Label: 23 px
    Hint: 19 px
    Title: 12 px
    Caption: 11 px
25. 25.♿ Does this help everyone, or make the app harder to use: captions on videos? (a) makes it harder (b) helps everyone
26. 26.Which of these makes the app harder to use? (a) text that can grow (b) labels on every icon (c) strong colour contrast (d) fast-flashing lights
27. 27.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Hint: 18 px
    Title: 17 px
    Body text: 13 px (a) Title (b) Body text (c) Hint
28. 28.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Label: 23 px
    Hint: 17 px
    Body text: 14 px
    Title: 19 px (a) Body text (b) Title (c) Hint (d) Label
29. 29.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
    Title: 22 px
    Hint: 22 px
    Menu: 10 px
    Body text: 22 px
30. 30.♿ Why add captions to videos? (a) to slow them down (b) to hide the sound (c) to add colour (d) so anyone can follow
31. 31.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
    Body text: 24 px
    Footer: 22 px
    Title: 20 px
    Label: 19 px
32. 32.♿ A screen has 10 icon buttons. Only 3 of them have a text label for screen readers. How many still need a label?
33. 33.♿ Does this help everyone, or make the app harder to use: icons with no labels? (a) makes it harder (b) helps everyone
34. 34.♿ Does this help everyone, or make the app harder to use: big touch targets? (a) makes it harder (b) helps everyone
35. 35.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Label: 12 px
    Caption: 19 px
    Hint: 26 px
    Menu: 23 px (a) Menu (b) Caption (c) Label (d) Hint
36. 36.♿ What should every icon-only button have for screen readers? (a) a sound (b) a bright colour (c) a text label (d) a long animation
37. 37.Which of these helps everyone use the app? (a) sudden loud sounds (b) fast-flashing lights (c) tiny tap areas (d) big touch targets
38. 38.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Label: 10 px
    Title: 17 px
    Body text: 22 px
    Caption: 16 px (a) Label (b) Title (c) Body text (d) Caption
39. 39.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Caption: 24 px
    Title: 13 px
    Hint: 25 px
    Menu: 24 px
    Label: 23 px (a) Caption (b) Menu (c) Hint (d) Title
40. 40.True or false: “fast-flashing lights” helps everyone use the app. (a) True (b) False

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