App Dev Worksheet: Accessibility

App development lesson 13: Accessibility · Set 667 · 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.♿ Why add captions to videos? (a) to add colour (b) to slow them down (c) to hide the sound (d) so anyone can follow
2. 2.♿ Does this help everyone, or make the app harder to use: tiny tap areas? (a) makes it harder (b) helps everyone
3. 3.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
   Hint: 24 px
   Footer: 20 px
   Menu: 19 px
4. 4.🔍 Which is the odd one out? (a) sudden loud sounds (b) captions on videos (c) icons with no labels (d) tiny tap areas
5. 5.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
   Body text: 24 px
   Title: 26 px
   Label: 13 px (a) Label (b) Title (c) Body text
6. 6.🔍 Which is the odd one out? (a) fast-flashing lights (b) colour as the only clue (c) labels on every icon (d) icons with no labels
7. 7.♿ Does this help everyone, or make the app harder to use: fast-flashing lights? (a) makes it harder (b) helps everyone
8. 8.Which of these helps everyone use the app? (a) tiny tap areas (b) colour as the only clue (c) strong colour contrast (d) sudden loud sounds
9. 9.Which of these helps everyone use the app? (a) icons with no labels (b) big touch targets (c) fast-flashing lights (d) tiny tap areas
10. 10.♿ A screen has 5 icon buttons. Only 3 of them have a text label for screen readers. How many still need a label?
11. 11.True or false: “icons with no labels” helps everyone use the app. (a) False (b) True
12. 12.🔍 Which is the odd one out? (a) big touch targets (b) text that can grow (c) colour as the only clue (d) labels on every icon
13. 13.♿ Does this help everyone, or make the app harder to use: text that can grow? (a) makes it harder (b) helps everyone
14. 14.Which of these makes the app harder to use? (a) big touch targets (b) colour as the only clue (c) strong colour contrast (d) text that can grow
15. 15.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Label: 11 px
    Title: 28 px
    Body text: 18 px (a) Title (b) Label (c) Body text
16. 16.True or false: “tiny tap areas” helps everyone use the app. (a) True (b) False
17. 17.♿ A screen has 7 icon buttons. Only 2 of them have a text label for screen readers. How many still need a label?
18. 18.♿ A screen has 5 icon buttons. Only 4 of them have a text label for screen readers. How many still need a label?
19. 19.True or false: “fast-flashing lights” makes the app harder to use. (a) True (b) False
20. 20.True or false: “sudden loud sounds” makes the app harder to use. (a) False (b) True
21. 21.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Label: 19 px
    Caption: 19 px
    Footer: 25 px
    Menu: 11 px (a) Caption (b) Footer (c) Menu (d) Label
22. 22.🔍 Which is the odd one out? (a) text that can grow (b) sudden loud sounds (c) big touch targets (d) labels on every icon
23. 23.🔍 Which is the odd one out? (a) labels on every icon (b) icons with no labels (c) strong colour contrast (d) text that can grow
24. 24.Which of these helps everyone use the app? (a) tiny tap areas (b) labels on every icon (c) icons with no labels (d) fast-flashing lights
25. 25.♿ Accessibility means an app works for ___. (a) only experts (b) nobody (c) only the coder (d) everyone
26. 26.True or false: “tiny tap areas” makes the app harder to use. (a) False (b) True
27. 27.♿ Does this help everyone, or make the app harder to use: labels on every icon? (a) makes it harder (b) helps everyone
28. 28.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
    Body text: 15 px
    Title: 13 px
    Hint: 14 px
    Label: 24 px
29. 29.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Title: 20 px
    Footer: 26 px
    Menu: 10 px (a) Footer (b) Title (c) Menu
30. 30.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Body text: 22 px
    Title: 11 px
    Footer: 18 px
    Caption: 16 px
    Hint: 27 px (a) Body text (b) Title (c) Caption (d) Footer
31. 31.🔍 Which is the odd one out? (a) text that can grow (b) fast-flashing lights (c) tiny tap areas (d) icons with no labels
32. 32.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
    Hint: 23 px
    Footer: 22 px
    Title: 24 px
33. 33.♿ Does this help everyone, or make the app harder to use: strong colour contrast? (a) helps everyone (b) makes it harder
34. 34.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
    Footer: 16 px
    Title: 17 px
    Label: 12 px
35. 35.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Hint: 18 px
    Label: 11 px
    Title: 18 px
    Caption: 23 px (a) Label (b) Title (c) Caption (d) Hint
36. 36.🔍 Which is the odd one out? (a) tiny tap areas (b) text that can grow (c) strong colour contrast (d) big touch targets
37. 37.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
38. 38.True or false: “colour as the only clue” makes the app harder to use. (a) True (b) False
39. 39.True or false: “icons with no labels” makes the app harder to use. (a) True (b) False
40. 40.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Hint: 16 px
    Menu: 11 px
    Body text: 27 px (a) Body text (b) Hint (c) Menu

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