App Dev Worksheet: Accessibility

App development lesson 13: Accessibility · Set 398 · 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.♿ Does this help everyone, or make the app harder to use: text that can grow? (a) helps everyone (b) makes it harder
2. 2.♿ Does this help everyone, or make the app harder to use: tiny tap areas? (a) helps everyone (b) makes it harder
3. 3.Which of these helps everyone use the app? (a) big touch targets (b) colour as the only clue (c) icons with no labels (d) fast-flashing lights
4. 4.🔍 Which is the odd one out? (a) captions on videos (b) labels on every icon (c) fast-flashing lights (d) strong colour contrast
5. 5.🔍 Which is the odd one out? (a) sudden loud sounds (b) text that can grow (c) fast-flashing lights (d) tiny tap areas
6. 6.🔍 Which is the odd one out? (a) tiny tap areas (b) captions on videos (c) labels on every icon (d) strong colour contrast
7. 7.Which of these makes the app harder to use? (a) strong colour contrast (b) captions on videos (c) labels on every icon (d) tiny tap areas
8. 8.True or false: “sudden loud sounds” helps everyone use the app. (a) False (b) True
9. 9.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
   Label: 22 px
   Footer: 28 px
   Hint: 14 px
   Body text: 26 px (a) Footer (b) Body text (c) Hint (d) Label
10. 10.♿ A screen has 6 icon buttons. Only 3 of them have a text label for screen readers. How many still need a label?
11. 11.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
    Label: 15 px
    Menu: 23 px
    Caption: 21 px
    Hint: 15 px
    Title: 14 px
12. 12.Which of these makes the app harder to use? (a) big touch targets (b) icons with no labels (c) captions on videos (d) labels on every icon
13. 13.♿ Does this help everyone, or make the app harder to use: strong colour contrast? (a) makes it harder (b) helps everyone
14. 14.True or false: “labels on every icon” makes the app harder to use. (a) False (b) True
15. 15.Which of these helps everyone use the app? (a) fast-flashing lights (b) text that can grow (c) sudden loud sounds (d) colour as the only clue
16. 16.True or false: “captions on videos” makes the app harder to use. (a) False (b) True
17. 17.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Body text: 13 px
    Title: 16 px
    Footer: 19 px (a) Title (b) Footer (c) Body text
18. 18.Which of these makes the app harder to use? (a) colour as the only clue (b) strong colour contrast (c) big touch targets (d) text that can grow
19. 19.♿ Why add captions to videos? (a) to hide the sound (b) so anyone can follow (c) to slow them down (d) to add colour
20. 20.🔍 Which is the odd one out? (a) colour as the only clue (b) big touch targets (c) icons with no labels (d) tiny tap areas
21. 21.♿ A screen has 11 icon buttons. Only 4 of them have a text label for screen readers. How many still need a label?
22. 22.🔍 Which is the odd one out? (a) tiny tap areas (b) strong colour contrast (c) colour as the only clue (d) sudden loud sounds
23. 23.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Menu: 17 px
    Label: 19 px
    Footer: 27 px
    Body text: 12 px
    Hint: 16 px (a) Menu (b) Footer (c) Label (d) Body text
24. 24.True or false: “big touch targets” makes the app harder to use. (a) True (b) False
25. 25.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
    Title: 11 px
    Hint: 14 px
    Body text: 17 px
26. 26.♿ Accessibility means an app works for ___. (a) only experts (b) nobody (c) only the coder (d) everyone
27. 27.♿ What does a screen reader do? (a) plays music (b) makes text tiny (c) takes photos (d) reads the screen aloud
28. 28.True or false: “colour as the only clue” helps everyone use the app. (a) False (b) True
29. 29.♿ 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
30. 30.♿ Does this help everyone, or make the app harder to use: icons with no labels? (a) helps everyone (b) makes it harder
31. 31.♿ Does this help everyone, or make the app harder to use: fast-flashing lights? (a) helps everyone (b) makes it harder
32. 32.♿ A screen has 9 icon buttons. Only 1 of them have a text label for screen readers. How many still need a label?
33. 33.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
    Body text: 15 px
    Title: 10 px
    Caption: 20 px
34. 34.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
    Menu: 17 px
    Body text: 17 px
    Title: 21 px
35. 35.♿ Does this help everyone, or make the app harder to use: colour as the only clue? (a) helps everyone (b) makes it harder
36. 36.True or false: “captions on videos” helps everyone use the app. (a) True (b) False
37. 37.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
    Body text: 18 px
    Footer: 13 px
    Hint: 13 px
    Menu: 22 px
    Title: 20 px
38. 38.🔍 Which is the odd one out? (a) labels on every icon (b) fast-flashing lights (c) tiny tap areas (d) icons with no labels
39. 39.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Body text: 27 px
    Hint: 13 px
    Title: 25 px
    Footer: 24 px
    Menu: 21 px (a) Body text (b) Footer (c) Hint (d) Title
40. 40.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Title: 22 px
    Label: 17 px
    Hint: 14 px
    Body text: 23 px
    Footer: 22 px (a) Title (b) Body text (c) Hint (d) Label

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