App Dev Worksheet: Accessibility

App development lesson 13: Accessibility · Set 27 · 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 12 icon buttons. Only 1 of them have a text label for screen readers. How many still need a label?
2. 2.♿ Why add captions to videos? (a) to hide the sound (b) to add colour (c) to slow them down (d) so anyone can follow
3. 3.True or false: “strong colour contrast” makes the app harder to use. (a) True (b) False
4. 4.♿ A screen has 11 icon buttons. Only 4 of them have a text label for screen readers. How many still need a label?
5. 5.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
   Body text: 19 px
   Label: 21 px
   Title: 14 px (a) Body text (b) Label (c) Title
6. 6.Which of these makes the app harder to use? (a) big touch targets (b) text that can grow (c) labels on every icon (d) tiny tap areas
7. 7.♿ Does this help everyone, or make the app harder to use: strong colour contrast? (a) helps everyone (b) makes it harder
8. 8.🔍 Which is the odd one out? (a) tiny tap areas (b) sudden loud sounds (c) icons with no labels (d) text that can grow
9. 9.🔍 Which is the odd one out? (a) captions on videos (b) big touch targets (c) sudden loud sounds (d) labels on every icon
10. 10.♿ Does this help everyone, or make the app harder to use: captions on videos? (a) makes it harder (b) helps everyone
11. 11.True or false: “tiny tap areas” makes the app harder to use. (a) False (b) True
12. 12.♿ 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
13. 13.♿ What does a screen reader do? (a) plays music (b) takes photos (c) makes text tiny (d) reads the screen aloud
14. 14.Which of these helps everyone use the app? (a) big touch targets (b) sudden loud sounds (c) icons with no labels (d) tiny tap areas
15. 15.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Footer: 11 px
    Menu: 21 px
    Body text: 24 px
    Caption: 27 px (a) Body text (b) Footer (c) Caption (d) Menu
16. 16.True or false: “tiny tap areas” helps everyone use the app. (a) True (b) False
17. 17.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
    Caption: 10 px
    Hint: 22 px
    Footer: 11 px
    Menu: 23 px
18. 18.🔍 Which is the odd one out? (a) strong colour contrast (b) colour as the only clue (c) big touch targets (d) labels on every icon
19. 19.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Label: 28 px
    Title: 26 px
    Caption: 16 px
    Hint: 28 px
    Menu: 12 px (a) Caption (b) Title (c) Menu (d) Label
20. 20.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Title: 22 px
    Label: 9 px
    Body text: 18 px
    Caption: 18 px (a) Caption (b) Body text (c) Title (d) Label
21. 21.♿ Does this help everyone, or make the app harder to use: tiny tap areas? (a) helps everyone (b) makes it harder
22. 22.Which of these makes the app harder to use? (a) strong colour contrast (b) text that can grow (c) fast-flashing lights (d) big touch targets
23. 23.♿ Does this help everyone, or make the app harder to use: fast-flashing lights? (a) makes it harder (b) helps everyone
24. 24.🔍 Which is the odd one out? (a) labels on every icon (b) fast-flashing lights (c) captions on videos (d) strong colour contrast
25. 25.♿ A screen has 10 icon buttons. Only 8 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?
    Label: 22 px
    Footer: 12 px
    Title: 22 px
27. 27.♿ Does this help everyone, or make the app harder to use: colour as the only clue? (a) makes it harder (b) helps everyone
28. 28.Which of these helps everyone use the app? (a) captions on videos (b) icons with no labels (c) fast-flashing lights (d) sudden loud sounds
29. 29.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Body text: 22 px
    Title: 10 px
    Menu: 25 px
    Label: 28 px (a) Menu (b) Label (c) Body text (d) Title
30. 30.True or false: “icons with no labels” makes the app harder to use. (a) True (b) False
31. 31.♿ A screen has 8 icon buttons. Only 1 of them have a text label for screen readers. How many still need a label?
32. 32.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
    Body text: 19 px
    Menu: 23 px
    Title: 12 px
33. 33.🔍 Which is the odd one out? (a) colour as the only clue (b) icons with no labels (c) tiny tap areas (d) labels on every icon
34. 34.Which of these makes the app harder to use? (a) big touch targets (b) captions on videos (c) strong colour contrast (d) icons with no labels
35. 35.True or false: “labels on every icon” makes the app harder to use. (a) False (b) True
36. 36.🔍 Which is the odd one out? (a) strong colour contrast (b) tiny tap areas (c) text that can grow (d) big touch targets
37. 37.True or false: “text that can grow” helps everyone use the app. (a) True (b) False
38. 38.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
    Body text: 17 px
    Caption: 19 px
    Title: 23 px
39. 39.True or false: “text that can grow” makes the app harder to use. (a) True (b) False
40. 40.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
    Menu: 18 px
    Title: 19 px
    Hint: 23 px

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