App Dev Worksheet: Accessibility

App development lesson 13: Accessibility · Set 405 · 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 6 icon buttons. Only 1 of them have a text label for screen readers. How many still need a label?
2. 2.♿ Does this help everyone, or make the app harder to use: labels on every icon? (a) helps everyone (b) makes it harder
3. 3.Which of these makes the app harder to use? (a) text that can grow (b) labels on every icon (c) fast-flashing lights (d) strong colour contrast
4. 4.Which of these helps everyone use the app? (a) strong colour contrast (b) sudden loud sounds (c) tiny tap areas (d) icons with no labels
5. 5.🔍 Which is the odd one out? (a) colour as the only clue (b) big touch targets (c) strong colour contrast (d) text that can grow
6. 6.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
   Caption: 14 px
   Body text: 17 px
   Footer: 16 px
   Title: 13 px
   Menu: 23 px
7. 7.True or false: “colour as the only clue” helps everyone use the app. (a) True (b) False
8. 8.True or false: “fast-flashing lights” helps everyone use the app. (a) False (b) True
9. 9.🔍 Which is the odd one out? (a) labels on every icon (b) fast-flashing lights (c) strong colour contrast (d) captions on videos
10. 10.♿ Does this help everyone, or make the app harder to use: strong colour contrast? (a) helps everyone (b) makes it harder
11. 11.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
    Menu: 22 px
    Body text: 20 px
    Footer: 12 px
    Caption: 20 px
12. 12.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
    Menu: 19 px
    Hint: 20 px
    Label: 18 px
    Footer: 11 px
    Title: 22 px
13. 13.Which of these makes the app harder to use? (a) sudden loud sounds (b) captions on videos (c) labels on every icon (d) big touch targets
14. 14.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
    Hint: 18 px
    Footer: 15 px
    Body text: 10 px
15. 15.True or false: “labels on every icon” makes the app harder to use. (a) False (b) True
16. 16.🔍 Which is the odd one out? (a) colour as the only clue (b) icons with no labels (c) sudden loud sounds (d) labels on every icon
17. 17.🔍 Which is the odd one out? (a) text that can grow (b) labels on every icon (c) strong colour contrast (d) tiny tap areas
18. 18.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
    Menu: 11 px
    Hint: 18 px
    Label: 24 px
19. 19.♿ 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
20. 20.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
    Label: 16 px
    Footer: 22 px
    Caption: 18 px
    Title: 24 px
21. 21.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
    Hint: 17 px
    Body text: 11 px
    Label: 15 px
22. 22.🔍 Which is the odd one out? (a) strong colour contrast (b) big touch targets (c) icons with no labels (d) text that can grow
23. 23.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Title: 26 px
    Menu: 26 px
    Hint: 23 px
    Footer: 19 px
    Body text: 13 px (a) Hint (b) Title (c) Body text (d) Menu
24. 24.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Footer: 26 px
    Menu: 23 px
    Label: 27 px
    Title: 9 px (a) Label (b) Menu (c) Footer (d) Title
25. 25.True or false: “text that can grow” makes the app harder to use. (a) False (b) True
26. 26.♿ Does this help everyone, or make the app harder to use: text that can grow? (a) makes it harder (b) helps everyone
27. 27.True or false: “fast-flashing lights” makes the app harder to use. (a) False (b) True
28. 28.Which of these helps everyone use the app? (a) tiny tap areas (b) colour as the only clue (c) labels on every icon (d) icons with no labels
29. 29.🔍 Which is the odd one out? (a) strong colour contrast (b) tiny tap areas (c) fast-flashing lights (d) icons with no labels
30. 30.♿ Why add captions to videos? (a) so anyone can follow (b) to add colour (c) to hide the sound (d) to slow them down
31. 31.Which of these makes the app harder to use? (a) big touch targets (b) strong colour contrast (c) text that can grow (d) tiny tap areas
32. 32.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Label: 19 px
    Body text: 16 px
    Hint: 14 px (a) Label (b) Body text (c) Hint
33. 33.♿ A screen has 8 icon buttons. Only 5 of them have a text label for screen readers. How many still need a label?
34. 34.Which of these helps everyone use the app? (a) icons with no labels (b) sudden loud sounds (c) tiny tap areas (d) captions on videos
35. 35.Which of these helps everyone use the app? (a) text that can grow (b) sudden loud sounds (c) fast-flashing lights (d) tiny tap areas
36. 36.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
    Menu: 10 px
    Title: 23 px
    Footer: 19 px
    Body text: 18 px
37. 37.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Footer: 12 px
    Title: 18 px
    Menu: 26 px
    Label: 21 px
    Hint: 21 px (a) Label (b) Menu (c) Footer (d) Title
38. 38.🔍 Which is the odd one out? (a) icons with no labels (b) text that can grow (c) colour as the only clue (d) tiny tap areas
39. 39.Which of these makes the app harder to use? (a) text that can grow (b) labels on every icon (c) colour as the only clue (d) captions on videos
40. 40.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Title: 17 px
    Caption: 27 px
    Hint: 14 px
    Body text: 21 px (a) Title (b) Hint (c) Body text (d) Caption

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