App Dev Worksheet: Accessibility

App development lesson 13: Accessibility · Set 189 · 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 9 icon buttons. Only 1 of them have a text label for screen readers. How many still need a label?
2. 2.Which of these helps everyone use the app? (a) colour as the only clue (b) fast-flashing lights (c) sudden loud sounds (d) captions on videos
3. 3.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
   Footer: 13 px
   Title: 15 px
   Caption: 16 px
4. 4.♿ Does this help everyone, or make the app harder to use: labels on every icon? (a) helps everyone (b) makes it harder
5. 5.Which of these helps everyone use the app? (a) icons with no labels (b) sudden loud sounds (c) labels on every icon (d) tiny tap areas
6. 6.🔍 Which is the odd one out? (a) fast-flashing lights (b) tiny tap areas (c) big touch targets (d) colour as the only clue
7. 7.♿ Does this help everyone, or make the app harder to use: text that can grow? (a) makes it harder (b) helps everyone
8. 8.♿ Showing right or wrong only in red and green is a problem for ___. (a) the server (b) fast typists (c) the battery (d) colour-blind users
9. 9.Which of these helps everyone use the app? (a) tiny tap areas (b) colour as the only clue (c) fast-flashing lights (d) big touch targets
10. 10.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
    Caption: 21 px
    Title: 17 px
    Hint: 14 px
    Menu: 11 px
11. 11.♿ Does this help everyone, or make the app harder to use: captions on videos? (a) helps everyone (b) makes it harder
12. 12.🔍 Which is the odd one out? (a) text that can grow (b) big touch targets (c) strong colour contrast (d) colour as the only clue
13. 13.♿ A screen has 8 icon buttons. Only 7 of them have a text label for screen readers. How many still need a label?
14. 14.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
    Body text: 10 px
    Label: 17 px
    Title: 24 px
    Caption: 14 px
    Hint: 13 px
15. 15.♿ A screen has 11 icon buttons. Only 5 of them have a text label for screen readers. How many still need a label?
16. 16.Which of these makes the app harder to use? (a) big touch targets (b) strong colour contrast (c) icons with no labels (d) labels on every icon
17. 17.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
    Title: 12 px
    Menu: 14 px
    Hint: 11 px
    Label: 15 px
18. 18.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
    Title: 22 px
    Label: 15 px
    Footer: 18 px
    Hint: 15 px
19. 19.♿ Why add captions to videos? (a) to hide the sound (b) to slow them down (c) so anyone can follow (d) to add colour
20. 20.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
    Hint: 22 px
    Menu: 14 px
    Footer: 17 px
    Label: 22 px
21. 21.True or false: “sudden loud sounds” makes the app harder to use. (a) True (b) False
22. 22.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
    Menu: 12 px
    Body text: 16 px
    Title: 12 px
23. 23.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Title: 16 px
    Hint: 18 px
    Label: 14 px
    Footer: 17 px
    Body text: 19 px (a) Title (b) Footer (c) Label (d) Hint
24. 24.Which of these makes the app harder to use? (a) fast-flashing lights (b) big touch targets (c) strong colour contrast (d) text that can grow
25. 25.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Hint: 19 px
    Menu: 24 px
    Title: 14 px
    Body text: 19 px
    Label: 24 px (a) Title (b) Hint (c) Menu (d) Body text
26. 26.Which of these makes the app harder to use? (a) big touch targets (b) sudden loud sounds (c) captions on videos (d) text that can grow
27. 27.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
    Title: 10 px
    Menu: 15 px
    Caption: 14 px
    Body text: 12 px
    Hint: 20 px
28. 28.True or false: “strong colour contrast” makes the app harder to use. (a) False (b) True
29. 29.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Title: 19 px
    Hint: 18 px
    Caption: 27 px
    Footer: 13 px
    Label: 23 px (a) Caption (b) Title (c) Hint (d) Footer
30. 30.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Label: 13 px
    Caption: 26 px
    Menu: 21 px
    Title: 17 px (a) Menu (b) Title (c) Label (d) Caption
31. 31.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
    Label: 22 px
    Title: 15 px
    Body text: 23 px
32. 32.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Body text: 11 px
    Footer: 28 px
    Menu: 17 px (a) Menu (b) Footer (c) Body text
33. 33.True or false: “captions on videos” makes the app harder to use. (a) True (b) False
34. 34.True or false: “fast-flashing lights” makes the app harder to use. (a) True (b) False
35. 35.True or false: “fast-flashing lights” helps everyone use the app. (a) False (b) True
36. 36.🔍 Which is the odd one out? (a) text that can grow (b) labels on every icon (c) strong colour contrast (d) icons with no labels
37. 37.♿ What does a screen reader do? (a) makes text tiny (b) takes photos (c) plays music (d) reads the screen aloud
38. 38.♿ A screen has 8 icon buttons. Only 5 of them have a text label for screen readers. How many still need a label?
39. 39.♿ A screen has 11 icon buttons. Only 6 of them have a text label for screen readers. How many still need a label?
40. 40.🔍 Which is the odd one out? (a) icons with no labels (b) fast-flashing lights (c) sudden loud sounds (d) text that can grow

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