App Dev Worksheet: Accessibility

App development lesson 13: Accessibility · Set 556 · 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 of these makes the app harder to use? (a) labels on every icon (b) big touch targets (c) sudden loud sounds (d) captions on videos
2. 2.True or false: “tiny tap areas” helps everyone use the app. (a) True (b) False
3. 3.True or false: “strong colour contrast” makes the app harder to use. (a) False (b) True
4. 4.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
   Menu: 10 px
   Caption: 20 px
   Label: 12 px
   Title: 13 px
5. 5.♿ What does a screen reader do? (a) makes text tiny (b) reads the screen aloud (c) takes photos (d) plays music
6. 6.♿ A screen has 5 icon buttons. Only 4 of them have a text label for screen readers. How many still need a label?
7. 7.♿ Does this help everyone, or make the app harder to use: captions on videos? (a) makes it harder (b) helps everyone
8. 8.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
   Title: 19 px
   Body text: 12 px
   Label: 23 px
   Hint: 17 px
   Footer: 18 px
9. 9.🔍 Which is the odd one out? (a) colour as the only clue (b) icons with no labels (c) sudden loud sounds (d) labels on every icon
10. 10.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
    Footer: 18 px
    Body text: 11 px
    Menu: 22 px
    Label: 23 px
    Caption: 19 px
11. 11.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Footer: 23 px
    Body text: 25 px
    Caption: 18 px
    Label: 13 px (a) Body text (b) Footer (c) Caption (d) Label
12. 12.🔍 Which is the odd one out? (a) text that can grow (b) fast-flashing lights (c) colour as the only clue (d) tiny tap areas
13. 13.True or false: “sudden loud sounds” helps everyone use the app. (a) False (b) True
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.🔍 Which is the odd one out? (a) text that can grow (b) labels on every icon (c) captions on videos (d) icons with no labels
16. 16.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Label: 22 px
    Footer: 26 px
    Title: 13 px (a) Title (b) Footer (c) Label
17. 17.True or false: “big touch targets” makes the app harder to use. (a) True (b) False
18. 18.♿ Does this help everyone, or make the app harder to use: fast-flashing lights? (a) makes it harder (b) helps everyone
19. 19.♿ Showing right or wrong only in red and green is a problem for ___. (a) colour-blind users (b) the server (c) the battery (d) fast typists
20. 20.♿ 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
21. 21.Which of these helps everyone use the app? (a) big touch targets (b) colour as the only clue (c) tiny tap areas (d) fast-flashing lights
22. 22.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
    Caption: 16 px
    Menu: 14 px
    Title: 10 px
    Body text: 14 px
23. 23.🔍 Which is the odd one out? (a) big touch targets (b) captions on videos (c) text that can grow (d) fast-flashing lights
24. 24.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Hint: 13 px
    Menu: 28 px
    Body text: 16 px
    Footer: 19 px (a) Body text (b) Menu (c) Footer (d) Hint
25. 25.♿ Accessibility means an app works for ___. (a) nobody (b) only experts (c) everyone (d) only the coder
26. 26.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
    Title: 17 px
    Menu: 23 px
    Hint: 20 px
    Body text: 22 px
27. 27.♿ A screen has 10 icon buttons. Only 1 of them have a text label for screen readers. How many still need a label?
28. 28.True or false: “icons with no labels” makes the app harder to use. (a) True (b) False
29. 29.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
    Menu: 11 px
    Body text: 18 px
    Hint: 21 px
    Footer: 19 px
    Title: 22 px
30. 30.True or false: “captions on videos” helps everyone use the app. (a) True (b) False
31. 31.♿ A screen has 8 icon buttons. Only 7 of them have a text label for screen readers. How many still need a label?
32. 32.True or false: “captions on videos” makes the app harder to use. (a) False (b) True
33. 33.🔍 Which is the odd one out? (a) strong colour contrast (b) big touch targets (c) labels on every icon (d) sudden loud sounds
34. 34.True or false: “tiny tap areas” makes the app harder to use. (a) False (b) True
35. 35.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
    Label: 14 px
    Hint: 20 px
    Caption: 23 px
36. 36.♿ Does this help everyone, or make the app harder to use: tiny tap areas? (a) helps everyone (b) makes it harder
37. 37.True or false: “fast-flashing lights” helps everyone use the app. (a) True (b) False
38. 38.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Hint: 13 px
    Body text: 21 px
    Footer: 21 px (a) Hint (b) Body text (c) Footer
39. 39.♿ Does this help everyone, or make the app harder to use: labels on every icon? (a) helps everyone (b) makes it harder
40. 40.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Label: 28 px
    Menu: 23 px
    Body text: 16 px
    Title: 9 px
    Hint: 17 px (a) Body text (b) Menu (c) Title (d) Label

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