App Dev Worksheet: Accessibility

App development lesson 13: Accessibility · Set 649 · 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.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
   Title: 19 px
   Label: 20 px
   Body text: 10 px
   Hint: 12 px
   Menu: 19 px
2. 2.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
   Label: 14 px
   Title: 26 px
   Caption: 22 px
   Menu: 18 px
   Hint: 21 px (a) Caption (b) Title (c) Menu (d) Label
3. 3.♿ A screen has 6 icon buttons. Only 4 of them have a text label for screen readers. How many still need a label?
4. 4.🔍 Which is the odd one out? (a) tiny tap areas (b) labels on every icon (c) big touch targets (d) strong colour contrast
5. 5.♿ A screen has 5 icon buttons. Only 4 of them have a text label for screen readers. How many still need a label?
6. 6.♿ 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
7. 7.♿ Why add captions to videos? (a) to slow them down (b) to hide the sound (c) to add colour (d) so anyone can follow
8. 8.Which of these makes the app harder to use? (a) labels on every icon (b) fast-flashing lights (c) text that can grow (d) big touch targets
9. 9.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
   Label: 24 px
   Menu: 20 px
   Footer: 13 px
   Body text: 22 px
10. 10.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Title: 18 px
    Footer: 21 px
    Body text: 13 px
    Hint: 19 px
    Label: 25 px (a) Hint (b) Body text (c) Footer (d) Title
11. 11.♿ Does this help everyone, or make the app harder to use: fast-flashing lights? (a) makes it harder (b) helps everyone
12. 12.🔍 Which is the odd one out? (a) text that can grow (b) sudden loud sounds (c) big touch targets (d) labels on every icon
13. 13.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
    Footer: 14 px
    Label: 11 px
    Body text: 20 px
    Title: 21 px
14. 14.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
15. 15.🔍 Which is the odd one out? (a) colour as the only clue (b) strong colour contrast (c) captions on videos (d) big touch targets
16. 16.Which of these helps everyone use the app? (a) colour as the only clue (b) sudden loud sounds (c) icons with no labels (d) text that can grow
17. 17.♿ Does this help everyone, or make the app harder to use: colour as the only clue? (a) helps everyone (b) makes it harder
18. 18.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Hint: 20 px
    Caption: 10 px
    Title: 27 px (a) Title (b) Hint (c) Caption
19. 19.Which of these helps everyone use the app? (a) colour as the only clue (b) big touch targets (c) tiny tap areas (d) sudden loud sounds
20. 20.Which of these makes the app harder to use? (a) captions on videos (b) labels on every icon (c) colour as the only clue (d) text that can grow
21. 21.Which of these helps everyone use the app? (a) fast-flashing lights (b) labels on every icon (c) colour as the only clue (d) icons with no labels
22. 22.🔍 Which is the odd one out? (a) sudden loud sounds (b) tiny tap areas (c) labels on every icon (d) colour as the only clue
23. 23.♿ Does this help everyone, or make the app harder to use: big touch targets? (a) makes it harder (b) helps everyone
24. 24.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
    Label: 18 px
    Body text: 24 px
    Caption: 24 px
    Footer: 17 px
    Title: 10 px
25. 25.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Title: 12 px
    Body text: 28 px
    Footer: 17 px (a) Footer (b) Body text (c) Title
26. 26.Which of these helps everyone use the app? (a) captions on videos (b) sudden loud sounds (c) colour as the only clue (d) tiny tap areas
27. 27.True or false: “fast-flashing lights” helps everyone use the app. (a) True (b) False
28. 28.♿ Does this help everyone, or make the app harder to use: captions on videos? (a) makes it harder (b) helps everyone
29. 29.♿ Showing right or wrong only in red and green is a problem for ___. (a) fast typists (b) the server (c) colour-blind users (d) the battery
30. 30.🔍 Which is the odd one out? (a) tiny tap areas (b) captions on videos (c) colour as the only clue (d) sudden loud sounds
31. 31.True or false: “icons with no labels” helps everyone use the app. (a) True (b) False
32. 32.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
    Menu: 14 px
    Body text: 18 px
    Caption: 12 px
33. 33.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
    Title: 22 px
    Footer: 19 px
    Caption: 18 px
34. 34.🔍 Which is the odd one out? (a) strong colour contrast (b) captions on videos (c) icons with no labels (d) labels on every icon
35. 35.True or false: “strong colour contrast” helps everyone use the app. (a) False (b) True
36. 36.Which of these makes the app harder to use? (a) strong colour contrast (b) sudden loud sounds (c) big touch targets (d) captions on videos
37. 37.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
    Footer: 19 px
    Hint: 16 px
    Title: 13 px
    Body text: 19 px
38. 38.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Body text: 11 px
    Hint: 21 px
    Title: 26 px
    Caption: 19 px (a) Title (b) Body text (c) Caption (d) Hint
39. 39.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
    Hint: 13 px
    Caption: 24 px
    Footer: 11 px
    Title: 17 px
40. 40.♿ What does a screen reader do? (a) makes text tiny (b) takes photos (c) plays music (d) reads the screen aloud

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