App Dev Worksheet: Accessibility

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

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