App Dev Worksheet: Accessibility

App development lesson 13: Accessibility · Set 93 · 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.🔍 Which is the odd one out? (a) sudden loud sounds (b) tiny tap areas (c) big touch targets (d) fast-flashing lights
2. 2.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
   Title: 10 px
   Label: 17 px
   Caption: 10 px
   Hint: 14 px
3. 3.🔍 Which is the odd one out? (a) labels on every icon (b) captions on videos (c) icons with no labels (d) text that can grow
4. 4.♿ A screen has 7 icon buttons. Only 3 of them have a text label for screen readers. How many still need a label?
5. 5.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
   Hint: 10 px
   Title: 10 px
   Label: 16 px
   Body text: 15 px
   Footer: 22 px
6. 6.True or false: “colour as the only clue” makes the app harder to use. (a) False (b) True
7. 7.Which of these helps everyone use the app? (a) tiny tap areas (b) captions on videos (c) sudden loud sounds (d) icons with no labels
8. 8.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
   Label: 21 px
   Menu: 19 px
   Title: 10 px (a) Menu (b) Title (c) Label
9. 9.Which of these makes the app harder to use? (a) strong colour contrast (b) text that can grow (c) tiny tap areas (d) big touch targets
10. 10.True or false: “tiny tap areas” makes the app harder to use. (a) True (b) False
11. 11.♿ Does this help everyone, or make the app harder to use: tiny tap areas? (a) makes it harder (b) helps everyone
12. 12.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Menu: 16 px
    Label: 11 px
    Footer: 24 px (a) Menu (b) Footer (c) Label
13. 13.🔍 Which is the odd one out? (a) captions on videos (b) text that can grow (c) fast-flashing lights (d) strong colour contrast
14. 14.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Label: 24 px
    Title: 12 px
    Hint: 16 px (a) Label (b) Hint (c) Title
15. 15.♿ A screen has 11 icon buttons. Only 1 of them have a text label for screen readers. How many still need a label?
16. 16.Which of these helps everyone use the app? (a) labels on every icon (b) sudden loud sounds (c) fast-flashing lights (d) tiny tap areas
17. 17.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
    Title: 12 px
    Menu: 18 px
    Hint: 21 px
    Body text: 12 px
    Footer: 12 px
18. 18.♿ A screen has 6 icon buttons. Only 2 of them have a text label for screen readers. How many still need a label?
19. 19.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
    Body text: 19 px
    Footer: 16 px
    Title: 23 px
20. 20.♿ A screen has 8 icon buttons. Only 1 of them have a text label for screen readers. How many still need a label?
21. 21.♿ A screen has 10 icon buttons. Only 6 of them have a text label for screen readers. How many still need a label?
22. 22.Which of these helps everyone use the app? (a) sudden loud sounds (b) icons with no labels (c) strong colour contrast (d) colour as the only clue
23. 23.♿ What should every icon-only button have for screen readers? (a) a text label (b) a bright colour (c) a sound (d) a long animation
24. 24.True or false: “strong colour contrast” makes the app harder to use. (a) False (b) True
25. 25.Which of these makes the app harder to use? (a) captions on videos (b) colour as the only clue (c) strong colour contrast (d) text that can grow
26. 26.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
    Body text: 18 px
    Footer: 21 px
    Hint: 18 px
27. 27.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Menu: 21 px
    Caption: 10 px
    Label: 22 px (a) Menu (b) Caption (c) Label
28. 28.True or false: “captions on videos” makes the app harder to use. (a) True (b) False
29. 29.True or false: “strong colour contrast” helps everyone use the app. (a) False (b) True
30. 30.♿ Does this help everyone, or make the app harder to use: text that can grow? (a) makes it harder (b) helps everyone
31. 31.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Hint: 9 px
    Caption: 17 px
    Title: 19 px (a) Hint (b) Title (c) Caption
32. 32.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Caption: 21 px
    Menu: 25 px
    Label: 13 px (a) Caption (b) Menu (c) Label
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.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Menu: 25 px
    Title: 11 px
    Hint: 28 px
    Label: 21 px (a) Menu (b) Hint (c) Title (d) Label
35. 35.♿ Does this help everyone, or make the app harder to use: big touch targets? (a) makes it harder (b) helps everyone
36. 36.True or false: “fast-flashing lights” helps everyone use the app. (a) True (b) False
37. 37.Which of these makes the app harder to use? (a) captions on videos (b) fast-flashing lights (c) big touch targets (d) labels on every icon
38. 38.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
    Caption: 10 px
    Title: 18 px
    Hint: 22 px
39. 39.🔍 Which is the odd one out? (a) tiny tap areas (b) sudden loud sounds (c) colour as the only clue (d) text that can grow
40. 40.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
    Title: 23 px
    Menu: 23 px
    Label: 19 px

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