App Dev Worksheet: Accessibility

App development lesson 13: Accessibility · Set 280 · 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: “tiny tap areas” helps everyone use the app. (a) False (b) True
2. 2.♿ Does this help everyone, or make the app harder to use: sudden loud sounds? (a) helps everyone (b) makes it harder
3. 3.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
   Caption: 16 px
   Menu: 20 px
   Footer: 11 px
   Title: 20 px
   Hint: 20 px
4. 4.♿ Does this help everyone, or make the app harder to use: tiny tap areas? (a) makes it harder (b) helps everyone
5. 5.♿ Does this help everyone, or make the app harder to use: colour as the only clue? (a) makes it harder (b) helps everyone
6. 6.True or false: “labels on every icon” helps everyone use the app. (a) False (b) True
7. 7.Which of these helps everyone use the app? (a) colour as the only clue (b) fast-flashing lights (c) text that can grow (d) sudden loud sounds
8. 8.♿ A screen has 11 icon buttons. Only 5 of them have a text label for screen readers. How many still need a label?
9. 9.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
   Label: 17 px
   Body text: 10 px
   Menu: 20 px
10. 10.♿ A screen has 11 icon buttons. Only 9 of them have a text label for screen readers. How many still need a label?
11. 11.♿ A screen has 12 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. How many texts on this screen are too small?
    Body text: 21 px
    Caption: 11 px
    Label: 12 px
    Footer: 23 px
    Hint: 17 px
13. 13.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Caption: 10 px
    Menu: 18 px
    Footer: 25 px (a) Footer (b) Caption (c) Menu
14. 14.🔍 Which is the odd one out? (a) strong colour contrast (b) text that can grow (c) colour as the only clue (d) big touch targets
15. 15.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
    Caption: 22 px
    Title: 16 px
    Hint: 20 px
    Label: 20 px
    Menu: 21 px
16. 16.True or false: “text that can grow” makes the app harder to use. (a) True (b) False
17. 17.♿ What does a screen reader do? (a) takes photos (b) makes text tiny (c) reads the screen aloud (d) plays music
18. 18.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Hint: 10 px
    Label: 26 px
    Title: 28 px
    Footer: 24 px (a) Label (b) Hint (c) Title (d) Footer
19. 19.Which of these makes the app harder to use? (a) big touch targets (b) text that can grow (c) strong colour contrast (d) colour as the only clue
20. 20.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Title: 25 px
    Label: 9 px
    Caption: 17 px (a) Label (b) Title (c) Caption
21. 21.🔍 Which is the odd one out? (a) sudden loud sounds (b) labels on every icon (c) captions on videos (d) big touch targets
22. 22.♿ Showing right or wrong only in red and green is a problem for ___. (a) fast typists (b) colour-blind users (c) the server (d) the battery
23. 23.🔍 Which is the odd one out? (a) labels on every icon (b) captions on videos (c) big touch targets (d) tiny tap areas
24. 24.♿ A screen has 12 icon buttons. Only 1 of them have a text label for screen readers. How many still need a label?
25. 25.♿ Does this help everyone, or make the app harder to use: fast-flashing lights? (a) makes it harder (b) helps everyone
26. 26.🔍 Which is the odd one out? (a) fast-flashing lights (b) strong colour contrast (c) tiny tap areas (d) sudden loud sounds
27. 27.Which of these makes the app harder to use? (a) sudden loud sounds (b) captions on videos (c) strong colour contrast (d) text that can grow
28. 28.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Caption: 21 px
    Hint: 12 px
    Body text: 20 px
    Title: 23 px
    Footer: 24 px (a) Hint (b) Title (c) Caption (d) Body text
29. 29.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Body text: 20 px
    Hint: 24 px
    Label: 9 px (a) Label (b) Body text (c) Hint
30. 30.Which of these helps everyone use the app? (a) tiny tap areas (b) colour as the only clue (c) fast-flashing lights (d) labels on every icon
31. 31.🔍 Which is the odd one out? (a) captions on videos (b) colour as the only clue (c) sudden loud sounds (d) tiny tap areas
32. 32.Which of these makes the app harder to use? (a) captions on videos (b) labels on every icon (c) fast-flashing lights (d) strong colour contrast
33. 33.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
    Body text: 23 px
    Menu: 21 px
    Caption: 21 px
34. 34.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Hint: 14 px
    Body text: 28 px
    Title: 18 px (a) Hint (b) Body text (c) Title
35. 35.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Footer: 27 px
    Hint: 19 px
    Label: 26 px
    Caption: 10 px (a) Footer (b) Label (c) Hint (d) Caption
36. 36.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Footer: 19 px
    Body text: 16 px
    Title: 13 px (a) Footer (b) Body text (c) Title
37. 37.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Body text: 16 px
    Footer: 19 px
    Hint: 13 px
    Title: 17 px
    Menu: 26 px (a) Footer (b) Body text (c) Title (d) Hint
38. 38.🔍 Which is the odd one out? (a) icons with no labels (b) colour as the only clue (c) tiny tap areas (d) labels on every icon
39. 39.♿ Does this help everyone, or make the app harder to use: icons with no labels? (a) helps everyone (b) makes it harder
40. 40.♿ Does this help everyone, or make the app harder to use: big touch targets? (a) makes it harder (b) helps everyone

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