App Dev Worksheet: Accessibility

App development lesson 13: Accessibility · Set 368 · 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 7 icon buttons. Only 3 of them have a text label for screen readers. How many still need a label?
2. 2.♿ Why add captions to videos? (a) to add colour (b) so anyone can follow (c) to hide the sound (d) to slow them down
3. 3.🔍 Which is the odd one out? (a) strong colour contrast (b) colour as the only clue (c) labels on every icon (d) big touch targets
4. 4.🔍 Which is the odd one out? (a) strong colour contrast (b) icons with no labels (c) labels on every icon (d) big touch targets
5. 5.🔍 Which is the odd one out? (a) fast-flashing lights (b) icons with no labels (c) captions on videos (d) sudden loud sounds
6. 6.🔍 Which is the odd one out? (a) text that can grow (b) fast-flashing lights (c) sudden loud sounds (d) icons with no labels
7. 7.Which of these makes the app harder to use? (a) labels on every icon (b) strong colour contrast (c) captions on videos (d) tiny tap areas
8. 8.True or false: “icons with no labels” makes the app harder to use. (a) False (b) True
9. 9.Which of these helps everyone use the app? (a) tiny tap areas (b) icons with no labels (c) fast-flashing lights (d) big touch targets
10. 10.♿ Does this help everyone, or make the app harder to use: strong colour contrast? (a) makes it harder (b) helps everyone
11. 11.Which of these makes the app harder to use? (a) strong colour contrast (b) text that can grow (c) colour as the only clue (d) labels on every icon
12. 12.🔍 Which is the odd one out? (a) colour as the only clue (b) icons with no labels (c) tiny tap areas (d) big touch targets
13. 13.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Label: 18 px
    Menu: 18 px
    Title: 10 px (a) Label (b) Title (c) Menu
14. 14.♿ Accessibility means an app works for ___. (a) only the coder (b) nobody (c) only experts (d) everyone
15. 15.🔍 Which is the odd one out? (a) sudden loud sounds (b) text that can grow (c) strong colour contrast (d) labels on every icon
16. 16.♿ Does this help everyone, or make the app harder to use: big touch targets? (a) makes it harder (b) helps everyone
17. 17.🔍 Which is the odd one out? (a) tiny tap areas (b) strong colour contrast (c) text that can grow (d) big touch targets
18. 18.Which of these makes the app harder to use? (a) text that can grow (b) labels on every icon (c) icons with no labels (d) big touch targets
19. 19.🔍 Which is the odd one out? (a) labels on every icon (b) fast-flashing lights (c) big touch targets (d) captions on videos
20. 20.♿ What should every icon-only button have for screen readers? (a) a long animation (b) a sound (c) a text label (d) a bright colour
21. 21.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Title: 13 px
    Body text: 19 px
    Label: 21 px
    Menu: 18 px (a) Label (b) Menu (c) Title (d) Body text
22. 22.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Title: 10 px
    Caption: 16 px
    Body text: 23 px
    Menu: 16 px
    Footer: 23 px (a) Body text (b) Menu (c) Caption (d) Title
23. 23.True or false: “colour as the only clue” makes the app harder to use. (a) False (b) True
24. 24.Which of these helps everyone use the app? (a) tiny tap areas (b) colour as the only clue (c) sudden loud sounds (d) text that can grow
25. 25.Which of these makes the app harder to use? (a) big touch targets (b) strong colour contrast (c) sudden loud sounds (d) labels on every icon
26. 26.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Footer: 17 px
    Title: 17 px
    Hint: 20 px
    Menu: 13 px
    Label: 20 px (a) Footer (b) Hint (c) Menu (d) Title
27. 27.🔍 Which is the odd one out? (a) tiny tap areas (b) sudden loud sounds (c) strong colour contrast (d) colour as the only clue
28. 28.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Footer: 17 px
    Title: 19 px
    Label: 10 px
    Caption: 27 px (a) Title (b) Footer (c) Label (d) Caption
29. 29.🔍 Which is the odd one out? (a) tiny tap areas (b) icons with no labels (c) labels on every icon (d) colour as the only clue
30. 30.♿ A screen has 10 icon buttons. Only 8 of them have a text label for screen readers. How many still need a label?
31. 31.♿ Does this help everyone, or make the app harder to use: labels on every icon? (a) makes it harder (b) helps everyone
32. 32.True or false: “text that can grow” makes the app harder to use. (a) True (b) False
33. 33.♿ Does this help everyone, or make the app harder to use: sudden loud sounds? (a) makes it harder (b) helps everyone
34. 34.♿ A screen has 5 icon buttons. Only 4 of them have a text label for screen readers. How many still need a label?
35. 35.♿ Does this help everyone, or make the app harder to use: text that can grow? (a) helps everyone (b) makes it harder
36. 36.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
    Title: 12 px
    Menu: 23 px
    Body text: 19 px
    Footer: 18 px
37. 37.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Caption: 13 px
    Menu: 21 px
    Title: 19 px
    Footer: 27 px (a) Caption (b) Title (c) Footer (d) Menu
38. 38.True or false: “tiny tap areas” helps everyone use the app. (a) True (b) False
39. 39.♿ Does this help everyone, or make the app harder to use: fast-flashing lights? (a) makes it harder (b) helps everyone
40. 40.♿ Does this help everyone, or make the app harder to use: icons with no labels? (a) helps everyone (b) makes it harder

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