App Dev Worksheet: Accessibility

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

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