App Dev Worksheet: Accessibility

App development lesson 13: Accessibility · Set 659 · 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 6 icon buttons. Only 1 of them have a text label for screen readers. How many still need a label?
2. 2.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
   Caption: 11 px
   Footer: 10 px
   Hint: 16 px
3. 3.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
   Body text: 17 px
   Menu: 28 px
   Title: 24 px
   Footer: 28 px
   Hint: 10 px (a) Body text (b) Title (c) Hint (d) Menu
4. 4.🔍 Which is the odd one out? (a) captions on videos (b) big touch targets (c) tiny tap areas (d) labels on every icon
5. 5.♿ Accessibility means an app works for ___. (a) only experts (b) everyone (c) nobody (d) only the coder
6. 6.♿ What does a screen reader do? (a) takes photos (b) makes text tiny (c) reads the screen aloud (d) plays music
7. 7.Which of these helps everyone use the app? (a) tiny tap areas (b) colour as the only clue (c) icons with no labels (d) big touch targets
8. 8.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
   Footer: 11 px
   Title: 22 px
   Label: 19 px (a) Footer (b) Title (c) Label
9. 9.♿ Does this help everyone, or make the app harder to use: icons with no labels? (a) makes it harder (b) helps everyone
10. 10.♿ Why add captions to videos? (a) to slow them down (b) to add colour (c) so anyone can follow (d) to hide the sound
11. 11.♿ Does this help everyone, or make the app harder to use: text that can grow? (a) makes it harder (b) helps everyone
12. 12.True or false: “sudden loud sounds” makes the app harder to use. (a) True (b) False
13. 13.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
    Menu: 10 px
    Label: 18 px
    Hint: 14 px
    Title: 16 px
    Footer: 22 px
14. 14.♿ What should every icon-only button have for screen readers? (a) a sound (b) a long animation (c) a text label (d) a bright colour
15. 15.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Body text: 24 px
    Title: 10 px
    Label: 18 px (a) Title (b) Label (c) Body text
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.♿ Does this help everyone, or make the app harder to use: labels on every icon? (a) helps everyone (b) makes it harder
18. 18.Which of these helps everyone use the app? (a) tiny tap areas (b) sudden loud sounds (c) fast-flashing lights (d) labels on every icon
19. 19.🔍 Which is the odd one out? (a) captions on videos (b) tiny tap areas (c) sudden loud sounds (d) fast-flashing lights
20. 20.♿ Does this help everyone, or make the app harder to use: captions on videos? (a) helps everyone (b) makes it harder
21. 21.True or false: “strong colour contrast” helps everyone use the app. (a) True (b) False
22. 22.♿ A screen has 10 icon buttons. Only 3 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?
    Label: 28 px
    Title: 17 px
    Caption: 24 px
    Footer: 11 px
    Menu: 21 px (a) Label (b) Title (c) Caption (d) Footer
24. 24.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
    Body text: 16 px
    Footer: 13 px
    Caption: 13 px
25. 25.♿ A screen has 12 icon buttons. Only 7 of them have a text label for screen readers. How many still need a label?
26. 26.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
    Menu: 13 px
    Body text: 15 px
    Label: 10 px
    Footer: 19 px
27. 27.♿ A screen has 12 icon buttons. Only 9 of them have a text label for screen readers. How many still need a label?
28. 28.True or false: “tiny tap areas” helps everyone use the app. (a) True (b) False
29. 29.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Hint: 23 px
    Caption: 28 px
    Body text: 11 px
    Footer: 22 px (a) Hint (b) Caption (c) Footer (d) Body text
30. 30.♿ A screen has 12 icon buttons. Only 6 of them have a text label for screen readers. How many still need a label?
31. 31.Which of these makes the app harder to use? (a) captions on videos (b) fast-flashing lights (c) labels on every icon (d) text that can grow
32. 32.True or false: “captions on videos” makes the app harder to use. (a) True (b) False
33. 33.🔍 Which is the odd one out? (a) icons with no labels (b) labels on every icon (c) tiny tap areas (d) fast-flashing lights
34. 34.♿ Showing right or wrong only in red and green is a problem for ___. (a) colour-blind users (b) the battery (c) the server (d) fast typists
35. 35.♿ Does this help everyone, or make the app harder to use: sudden loud sounds? (a) helps everyone (b) makes it harder
36. 36.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Footer: 16 px
    Menu: 25 px
    Title: 21 px
    Hint: 9 px
    Body text: 26 px (a) Footer (b) Menu (c) Title (d) Hint
37. 37.♿ Does this help everyone, or make the app harder to use: colour as the only clue? (a) makes it harder (b) helps everyone
38. 38.True or false: “fast-flashing lights” makes the app harder to use. (a) True (b) False
39. 39.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
    Menu: 15 px
    Label: 12 px
    Body text: 17 px
    Caption: 20 px
    Footer: 18 px
40. 40.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Title: 18 px
    Hint: 28 px
    Footer: 20 px
    Body text: 17 px
    Caption: 12 px (a) Title (b) Caption (c) Hint (d) Footer

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