App Dev Worksheet: Accessibility

App development lesson 13: Accessibility · Set 364 · 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?
   Label: 11 px
   Body text: 27 px
   Caption: 22 px (a) Body text (b) Caption (c) Label
2. 2.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
   Caption: 12 px
   Body text: 17 px
   Title: 21 px
3. 3.True or false: “sudden loud sounds” makes the app harder to use. (a) False (b) True
4. 4.True or false: “fast-flashing lights” makes the app harder to use. (a) True (b) False
5. 5.♿ A screen has 10 icon buttons. Only 5 of them have a text label for screen readers. How many still need a label?
6. 6.🔍 Which is the odd one out? (a) fast-flashing lights (b) captions on videos (c) tiny tap areas (d) colour as the only clue
7. 7.Which of these helps everyone use the app? (a) sudden loud sounds (b) fast-flashing lights (c) text that can grow (d) icons with no labels
8. 8.♿ 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
9. 9.True or false: “strong colour contrast” makes the app harder to use. (a) False (b) True
10. 10.Which of these makes the app harder to use? (a) strong colour contrast (b) labels on every icon (c) sudden loud sounds (d) captions on videos
11. 11.♿ A screen has 11 icon buttons. Only 8 of them have a text label for screen readers. How many still need a label?
12. 12.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Menu: 11 px
    Label: 24 px
    Title: 20 px
    Body text: 26 px (a) Label (b) Body text (c) Menu (d) Title
13. 13.♿ A screen has 11 icon buttons. Only 4 of them have a text label for screen readers. How many still need a label?
14. 14.♿ Why add captions to videos? (a) to hide the sound (b) to slow them down (c) so anyone can follow (d) to add colour
15. 15.♿ A screen has 10 icon buttons. Only 9 of them have a text label for screen readers. How many still need a label?
16. 16.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Body text: 19 px
    Label: 10 px
    Title: 21 px (a) Title (b) Label (c) Body text
17. 17.Which of these helps everyone use the app? (a) labels on every icon (b) tiny tap areas (c) fast-flashing lights (d) icons with no labels
18. 18.Which of these makes the app harder to use? (a) fast-flashing lights (b) labels on every icon (c) big touch targets (d) text that can grow
19. 19.♿ Does this help everyone, or make the app harder to use: text that can grow? (a) helps everyone (b) makes it harder
20. 20.True or false: “colour as the only clue” helps everyone use the app. (a) True (b) False
21. 21.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
    Hint: 18 px
    Title: 24 px
    Footer: 18 px
22. 22.Which of these helps everyone use the app? (a) icons with no labels (b) tiny tap areas (c) colour as the only clue (d) big touch targets
23. 23.♿ Does this help everyone, or make the app harder to use: strong colour contrast? (a) helps everyone (b) makes it harder
24. 24.True or false: “labels on every icon” helps everyone use the app. (a) False (b) True
25. 25.♿ A screen has 11 icon buttons. Only 6 of them have a text label for screen readers. How many still need a label?
26. 26.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
    Body text: 22 px
    Menu: 19 px
    Hint: 17 px
    Label: 10 px
    Caption: 10 px
27. 27.Which of these helps everyone use the app? (a) sudden loud sounds (b) fast-flashing lights (c) strong colour contrast (d) tiny tap areas
28. 28.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Footer: 17 px
    Body text: 23 px
    Title: 22 px
    Menu: 10 px
    Label: 19 px (a) Body text (b) Footer (c) Menu (d) Title
29. 29.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Title: 13 px
    Hint: 16 px
    Label: 27 px
    Body text: 27 px (a) Title (b) Hint (c) Body text (d) Label
30. 30.True or false: “labels on every icon” makes the app harder to use. (a) True (b) False
31. 31.♿ A screen has 11 icon buttons. Only 7 of them have a text label for screen readers. How many still need a label?
32. 32.♿ A screen has 5 icon buttons. Only 3 of them have a text label for screen readers. How many still need a label?
33. 33.♿ A screen has 11 icon buttons. Only 2 of them have a text label for screen readers. How many still need a label?
34. 34.Which of these makes the app harder to use? (a) labels on every icon (b) strong colour contrast (c) text that can grow (d) icons with no labels
35. 35.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Caption: 23 px
    Menu: 21 px
    Title: 10 px
    Hint: 17 px (a) Title (b) Menu (c) Hint (d) Caption
36. 36.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Caption: 13 px
    Title: 26 px
    Hint: 23 px (a) Caption (b) Hint (c) Title
37. 37.♿ A screen has 9 icon buttons. Only 8 of them have a text label for screen readers. How many still need a label?
38. 38.🔍 Which is the odd one out? (a) sudden loud sounds (b) fast-flashing lights (c) tiny tap areas (d) text that can grow
39. 39.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
    Caption: 22 px
    Body text: 17 px
    Title: 11 px
    Hint: 21 px
    Label: 20 px
40. 40.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Body text: 11 px
    Hint: 27 px
    Footer: 28 px (a) Body text (b) Hint (c) Footer

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