App Dev Worksheet: Accessibility

App development lesson 13: Accessibility · Set 374 · 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.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
   Body text: 13 px
   Caption: 19 px
   Menu: 19 px (a) Body text (b) Menu (c) Caption
2. 2.♿ A screen has 12 icon buttons. Only 11 of them have a text label for screen readers. How many still need a label?
3. 3.♿ Why add captions to videos? (a) so anyone can follow (b) to add colour (c) to slow them down (d) to hide the sound
4. 4.♿ A screen has 9 icon buttons. Only 5 of them have a text label for screen readers. How many still need a label?
5. 5.🔍 Which is the odd one out? (a) big touch targets (b) icons with no labels (c) text that can grow (d) labels on every icon
6. 6.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
   Menu: 12 px
   Body text: 18 px
   Caption: 23 px (a) Menu (b) Body text (c) Caption
7. 7.♿ A screen has 6 icon buttons. Only 2 of them have a text label for screen readers. How many still need a label?
8. 8.♿ A screen has 7 icon buttons. Only 5 of them have a text label for screen readers. How many still need a label?
9. 9.Which of these helps everyone use the app? (a) fast-flashing lights (b) sudden loud sounds (c) colour as the only clue (d) strong colour contrast
10. 10.Which of these helps everyone use the app? (a) labels on every icon (b) tiny tap areas (c) icons with no labels (d) colour as the only clue
11. 11.♿ Does this help everyone, or make the app harder to use: icons with no labels? (a) helps everyone (b) makes it harder
12. 12.♿ A screen has 8 icon buttons. Only 6 of them have a text label for screen readers. How many still need a label?
13. 13.🔍 Which is the odd one out? (a) icons with no labels (b) tiny tap areas (c) text that can grow (d) fast-flashing lights
14. 14.♿ Does this help everyone, or make the app harder to use: colour as the only clue? (a) makes it harder (b) helps everyone
15. 15.True or false: “icons with no labels” makes the app harder to use. (a) True (b) False
16. 16.🔍 Which is the odd one out? (a) sudden loud sounds (b) tiny tap areas (c) labels on every icon (d) icons with no labels
17. 17.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Body text: 25 px
    Hint: 18 px
    Title: 18 px
    Menu: 13 px (a) Menu (b) Body text (c) Title (d) Hint
18. 18.♿ A screen has 5 icon buttons. Only 1 of them have a text label for screen readers. How many still need a label?
19. 19.♿ What should every icon-only button have for screen readers? (a) a bright colour (b) a sound (c) a long animation (d) a text label
20. 20.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Title: 14 px
    Body text: 19 px
    Caption: 26 px
    Menu: 26 px (a) Caption (b) Menu (c) Body text (d) Title
21. 21.♿ Showing right or wrong only in red and green is a problem for ___. (a) the battery (b) colour-blind users (c) the server (d) fast typists
22. 22.🔍 Which is the odd one out? (a) colour as the only clue (b) sudden loud sounds (c) tiny tap areas (d) captions on videos
23. 23.True or false: “colour as the only clue” makes the app harder to use. (a) True (b) False
24. 24.♿ A screen has 10 icon buttons. Only 7 of them have a text label for screen readers. How many still need a label?
25. 25.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
    Hint: 14 px
    Title: 24 px
    Body text: 14 px
    Menu: 19 px
    Label: 10 px
26. 26.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Body text: 24 px
    Hint: 18 px
    Label: 24 px
    Footer: 9 px (a) Hint (b) Footer (c) Body text (d) Label
27. 27.♿ A screen has 5 icon buttons. Only 3 of them have a text label for screen readers. How many still need a label?
28. 28.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
    Footer: 11 px
    Body text: 17 px
    Menu: 10 px
29. 29.🔍 Which is the odd one out? (a) strong colour contrast (b) colour as the only clue (c) labels on every icon (d) captions on videos
30. 30.Which of these helps everyone use the app? (a) colour as the only clue (b) icons with no labels (c) captions on videos (d) tiny tap areas
31. 31.♿ Does this help everyone, or make the app harder to use: captions on videos? (a) makes it harder (b) helps everyone
32. 32.Which of these makes the app harder to use? (a) strong colour contrast (b) fast-flashing lights (c) big touch targets (d) text that can grow
33. 33.True or false: “text that can grow” makes the app harder to use. (a) False (b) True
34. 34.♿ A screen has 8 icon buttons. Only 1 of them have a text label for screen readers. How many still need a label?
35. 35.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
    Body text: 20 px
    Label: 11 px
    Footer: 14 px
    Title: 24 px
    Caption: 12 px
36. 36.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Menu: 19 px
    Title: 28 px
    Footer: 14 px (a) Title (b) Menu (c) Footer
37. 37.🔍 Which is the odd one out? (a) tiny tap areas (b) labels on every icon (c) text that can grow (d) captions on videos
38. 38.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Menu: 12 px
    Body text: 21 px
    Title: 20 px
    Hint: 23 px (a) Body text (b) Title (c) Hint (d) Menu
39. 39.Which of these makes the app harder to use? (a) big touch targets (b) captions on videos (c) labels on every icon (d) icons with no labels
40. 40.True or false: “strong colour contrast” helps everyone use the app. (a) False (b) True

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