App Dev Worksheet: Accessibility

App development lesson 13: Accessibility · Set 750 · 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.Which of these helps everyone use the app? (a) colour as the only clue (b) sudden loud sounds (c) tiny tap areas (d) big touch targets
2. 2.♿ 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
3. 3.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
   Label: 17 px
   Footer: 18 px
   Menu: 13 px
   Title: 21 px (a) Menu (b) Label (c) Title (d) Footer
4. 4.♿ Does this help everyone, or make the app harder to use: fast-flashing lights? (a) helps everyone (b) makes it harder
5. 5.Which of these makes the app harder to use? (a) text that can grow (b) colour as the only clue (c) captions on videos (d) strong colour contrast
6. 6.🔍 Which is the odd one out? (a) big touch targets (b) icons with no labels (c) labels on every icon (d) captions on videos
7. 7.♿ Does this help everyone, or make the app harder to use: big touch targets? (a) helps everyone (b) makes it harder
8. 8.♿ A screen has 11 icon buttons. Only 8 of them have a text label for screen readers. How many still need a label?
9. 9.♿ Does this help everyone, or make the app harder to use: tiny tap areas? (a) helps everyone (b) makes it harder
10. 10.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
    Hint: 12 px
    Title: 18 px
    Menu: 21 px
    Caption: 22 px
11. 11.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
    Body text: 21 px
    Caption: 15 px
    Title: 17 px
12. 12.🔍 Which is the odd one out? (a) labels on every icon (b) tiny tap areas (c) colour as the only clue (d) fast-flashing lights
13. 13.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
    Title: 22 px
    Hint: 12 px
    Footer: 19 px
14. 14.♿ A screen has 8 icon buttons. Only 5 of them have a text label for screen readers. How many still need a label?
15. 15.🔍 Which is the odd one out? (a) text that can grow (b) strong colour contrast (c) sudden loud sounds (d) labels on every icon
16. 16.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Menu: 16 px
    Caption: 14 px
    Footer: 19 px (a) Footer (b) Caption (c) Menu
17. 17.♿ What does a screen reader do? (a) takes photos (b) reads the screen aloud (c) makes text tiny (d) plays music
18. 18.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Footer: 18 px
    Caption: 24 px
    Menu: 14 px (a) Footer (b) Caption (c) Menu
19. 19.🔍 Which is the odd one out? (a) labels on every icon (b) captions on videos (c) colour as the only clue (d) strong colour contrast
20. 20.True or false: “strong colour contrast” helps everyone use the app. (a) True (b) False
21. 21.🔍 Which is the odd one out? (a) strong colour contrast (b) icons with no labels (c) fast-flashing lights (d) tiny tap areas
22. 22.Which of these helps everyone use the app? (a) fast-flashing lights (b) tiny tap areas (c) text that can grow (d) sudden loud sounds
23. 23.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
    Label: 15 px
    Hint: 21 px
    Footer: 16 px
    Caption: 18 px
24. 24.True or false: “fast-flashing lights” makes the app harder to use. (a) False (b) True
25. 25.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Label: 28 px
    Body text: 16 px
    Caption: 13 px
    Hint: 26 px
    Title: 18 px (a) Label (b) Hint (c) Body text (d) Caption
26. 26.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
    Label: 20 px
    Caption: 22 px
    Body text: 15 px
27. 27.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
    Title: 16 px
    Caption: 10 px
    Body text: 22 px
    Menu: 19 px
    Footer: 16 px
28. 28.Which of these makes the app harder to use? (a) strong colour contrast (b) text that can grow (c) icons with no labels (d) labels on every icon
29. 29.♿ Does this help everyone, or make the app harder to use: sudden loud sounds? (a) makes it harder (b) helps everyone
30. 30.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Body text: 25 px
    Menu: 14 px
    Hint: 20 px (a) Menu (b) Body text (c) Hint
31. 31.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
    Title: 18 px
    Caption: 17 px
    Label: 20 px
    Body text: 17 px
32. 32.Which of these makes the app harder to use? (a) strong colour contrast (b) labels on every icon (c) tiny tap areas (d) big touch targets
33. 33.♿ Does this help everyone, or make the app harder to use: text that can grow? (a) makes it harder (b) helps everyone
34. 34.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Title: 19 px
    Body text: 22 px
    Label: 14 px
    Menu: 23 px (a) Menu (b) Body text (c) Title (d) Label
35. 35.True or false: “icons with no labels” makes the app harder to use. (a) True (b) False
36. 36.♿ Why add captions to videos? (a) to slow them down (b) to hide the sound (c) to add colour (d) so anyone can follow
37. 37.Which of these helps everyone use the app? (a) captions on videos (b) fast-flashing lights (c) sudden loud sounds (d) icons with no labels
38. 38.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
    Hint: 22 px
    Caption: 13 px
    Body text: 18 px
    Menu: 23 px
39. 39.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Menu: 13 px
    Hint: 17 px
    Footer: 28 px (a) Hint (b) Menu (c) Footer
40. 40.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
    Footer: 20 px
    Menu: 15 px
    Body text: 11 px
    Title: 16 px
    Hint: 14 px

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