App Dev Worksheet: Accessibility

App development lesson 13: Accessibility · Set 835 · 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.♿ What does a screen reader do? (a) plays music (b) takes photos (c) reads the screen aloud (d) makes text tiny
2. 2.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
   Footer: 15 px
   Caption: 21 px
   Body text: 23 px
   Menu: 16 px
3. 3.🔍 Which is the odd one out? (a) strong colour contrast (b) tiny tap areas (c) colour as the only clue (d) sudden loud sounds
4. 4.♿ Does this help everyone, or make the app harder to use: labels on every icon? (a) helps everyone (b) makes it harder
5. 5.True or false: “fast-flashing lights” helps everyone use the app. (a) False (b) True
6. 6.Which of these makes the app harder to use? (a) text that can grow (b) tiny tap areas (c) big touch targets (d) labels on every icon
7. 7.🔍 Which is the odd one out? (a) sudden loud sounds (b) colour as the only clue (c) labels on every icon (d) icons with no labels
8. 8.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
   Label: 9 px
   Menu: 25 px
   Title: 25 px (a) Menu (b) Label (c) Title
9. 9.Which of these helps everyone use the app? (a) fast-flashing lights (b) tiny tap areas (c) labels on every icon (d) sudden loud sounds
10. 10.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
    Body text: 23 px
    Title: 17 px
    Hint: 19 px
    Footer: 14 px
11. 11.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Hint: 27 px
    Menu: 17 px
    Label: 24 px
    Title: 18 px
    Caption: 11 px (a) Caption (b) Menu (c) Hint (d) Label
12. 12.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
    Hint: 18 px
    Menu: 23 px
    Body text: 10 px
13. 13.🔍 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
14. 14.Which of these helps everyone use the app? (a) colour as the only clue (b) icons with no labels (c) strong colour contrast (d) tiny tap areas
15. 15.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
    Title: 14 px
    Hint: 13 px
    Caption: 12 px
    Body text: 23 px
    Footer: 13 px
16. 16.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Footer: 16 px
    Hint: 19 px
    Caption: 9 px
    Title: 27 px (a) Title (b) Footer (c) Hint (d) Caption
17. 17.♿ What should every icon-only button have for screen readers? (a) a long animation (b) a text label (c) a bright colour (d) a sound
18. 18.♿ A screen has 5 icon buttons. Only 2 of them have a text label for screen readers. How many still need a label?
19. 19.♿ Does this help everyone, or make the app harder to use: text that can grow? (a) makes it harder (b) helps everyone
20. 20.♿ Does this help everyone, or make the app harder to use: fast-flashing lights? (a) makes it harder (b) helps everyone
21. 21.True or false: “captions on videos” makes the app harder to use. (a) True (b) False
22. 22.True or false: “colour as the only clue” helps everyone use the app. (a) False (b) True
23. 23.♿ Does this help everyone, or make the app harder to use: colour as the only clue? (a) makes it harder (b) helps everyone
24. 24.♿ Does this help everyone, or make the app harder to use: captions on videos? (a) makes it harder (b) helps everyone
25. 25.🔍 Which is the odd one out? (a) text that can grow (b) sudden loud sounds (c) labels on every icon (d) captions on videos
26. 26.♿ A screen has 12 icon buttons. Only 6 of them have a text label for screen readers. How many still need a label?
27. 27.♿ Does this help everyone, or make the app harder to use: icons with no labels? (a) helps everyone (b) makes it harder
28. 28.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Hint: 16 px
    Body text: 20 px
    Caption: 13 px (a) Hint (b) Body text (c) Caption
29. 29.♿ Does this help everyone, or make the app harder to use: sudden loud sounds? (a) helps everyone (b) makes it harder
30. 30.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Caption: 25 px
    Menu: 9 px
    Footer: 21 px (a) Footer (b) Menu (c) Caption
31. 31.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Body text: 19 px
    Label: 18 px
    Hint: 19 px
    Caption: 14 px
    Menu: 24 px (a) Caption (b) Hint (c) Label (d) Body text
32. 32.🔍 Which is the odd one out? (a) strong colour contrast (b) fast-flashing lights (c) big touch targets (d) text that can grow
33. 33.True or false: “fast-flashing lights” makes the app harder to use. (a) False (b) True
34. 34.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
    Title: 10 px
    Footer: 18 px
    Body text: 24 px
    Caption: 22 px
    Menu: 10 px
35. 35.♿ Does this help everyone, or make the app harder to use: strong colour contrast? (a) helps everyone (b) makes it harder
36. 36.True or false: “strong colour contrast” helps everyone use the app. (a) False (b) True
37. 37.🔍 Which is the odd one out? (a) sudden loud sounds (b) icons with no labels (c) text that can grow (d) fast-flashing lights
38. 38.♿ Does this help everyone, or make the app harder to use: tiny tap areas? (a) makes it harder (b) helps everyone
39. 39.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Body text: 22 px
    Title: 10 px
    Hint: 18 px
    Footer: 27 px
    Menu: 22 px (a) Footer (b) Body text (c) Title (d) Hint
40. 40.♿ A screen has 6 icon buttons. Only 3 of them have a text label for screen readers. How many still need a label?

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