App Dev Worksheet: Accessibility

App development lesson 13: Accessibility · Set 23 · 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.True or false: “labels on every icon” makes the app harder to use. (a) False (b) True
2. 2.♿ Does this help everyone, or make the app harder to use: fast-flashing lights? (a) makes it harder (b) helps everyone
3. 3.♿ Accessibility means an app works for ___. (a) nobody (b) everyone (c) only the coder (d) only experts
4. 4.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
   Title: 21 px
   Caption: 10 px
   Hint: 28 px (a) Hint (b) Title (c) Caption
5. 5.Which of these helps everyone use the app? (a) tiny tap areas (b) sudden loud sounds (c) colour as the only clue (d) labels on every icon
6. 6.♿ Does this help everyone, or make the app harder to use: sudden loud sounds? (a) helps everyone (b) makes it harder
7. 7.♿ Why add captions to videos? (a) so anyone can follow (b) to hide the sound (c) to slow them down (d) to add colour
8. 8.♿ What should every icon-only button have for screen readers? (a) a bright colour (b) a text label (c) a long animation (d) a sound
9. 9.True or false: “colour as the only clue” makes the app harder to use. (a) True (b) False
10. 10.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Title: 17 px
    Menu: 10 px
    Body text: 22 px (a) Menu (b) Title (c) Body text
11. 11.🔍 Which is the odd one out? (a) strong colour contrast (b) sudden loud sounds (c) fast-flashing lights (d) tiny tap areas
12. 12.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
    Body text: 17 px
    Label: 13 px
    Title: 21 px
    Hint: 14 px
13. 13.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
    Title: 14 px
    Label: 15 px
    Menu: 18 px
    Hint: 16 px
14. 14.🔍 Which is the odd one out? (a) sudden loud sounds (b) captions on videos (c) big touch targets (d) text that can grow
15. 15.♿ Does this help everyone, or make the app harder to use: text that can grow? (a) makes it harder (b) helps everyone
16. 16.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
    Caption: 17 px
    Menu: 10 px
    Title: 13 px
17. 17.♿ Does this help everyone, or make the app harder to use: big touch targets? (a) makes it harder (b) helps everyone
18. 18.🔍 Which is the odd one out? (a) strong colour contrast (b) colour as the only clue (c) text that can grow (d) captions on videos
19. 19.♿ Does this help everyone, or make the app harder to use: captions on videos? (a) makes it harder (b) helps everyone
20. 20.Which of these helps everyone use the app? (a) captions on videos (b) tiny tap areas (c) fast-flashing lights (d) icons with no labels
21. 21.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
    Label: 20 px
    Body text: 15 px
    Menu: 18 px
    Hint: 18 px
    Caption: 16 px
22. 22.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Caption: 10 px
    Menu: 18 px
    Label: 24 px
    Hint: 24 px
    Footer: 21 px (a) Label (b) Caption (c) Menu (d) Hint
23. 23.Which of these helps everyone use the app? (a) fast-flashing lights (b) colour as the only clue (c) sudden loud sounds (d) text that can grow
24. 24.♿ Does this help everyone, or make the app harder to use: icons with no labels? (a) helps everyone (b) makes it harder
25. 25.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Menu: 26 px
    Footer: 28 px
    Title: 14 px
    Body text: 18 px (a) Footer (b) Menu (c) Body text (d) Title
26. 26.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
    Body text: 19 px
    Hint: 10 px
    Title: 15 px
    Caption: 23 px
27. 27.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Body text: 13 px
    Caption: 19 px
    Label: 28 px (a) Caption (b) Body text (c) Label
28. 28.♿ What does a screen reader do? (a) plays music (b) makes text tiny (c) reads the screen aloud (d) takes photos
29. 29.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Menu: 25 px
    Hint: 17 px
    Label: 25 px
    Body text: 13 px
    Footer: 24 px (a) Label (b) Body text (c) Hint (d) Menu
30. 30.♿ Showing right or wrong only in red and green is a problem for ___. (a) colour-blind users (b) the server (c) fast typists (d) the battery
31. 31.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
    Body text: 12 px
    Menu: 14 px
    Caption: 22 px
    Footer: 16 px
32. 32.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Label: 16 px
    Footer: 16 px
    Title: 12 px (a) Footer (b) Title (c) Label
33. 33.True or false: “tiny tap areas” helps everyone use the app. (a) False (b) True
34. 34.🔍 Which is the odd one out? (a) tiny tap areas (b) text that can grow (c) big touch targets (d) strong colour contrast
35. 35.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Menu: 10 px
    Body text: 20 px
    Caption: 19 px
    Footer: 17 px (a) Menu (b) Caption (c) Footer (d) Body text
36. 36.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
    Caption: 13 px
    Title: 24 px
    Body text: 13 px
37. 37.🔍 Which is the odd one out? (a) fast-flashing lights (b) sudden loud sounds (c) icons with no labels (d) labels on every icon
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. How many texts on this screen are too small?
    Title: 23 px
    Hint: 18 px
    Footer: 12 px
40. 40.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Body text: 21 px
    Footer: 18 px
    Menu: 11 px
    Hint: 25 px (a) Hint (b) Footer (c) Menu (d) Body text

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