App Dev Worksheet: Accessibility

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

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