App Dev Worksheet: Accessibility

App development lesson 13: Accessibility · Set 135 · 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.♿ Does this help everyone, or make the app harder to use: tiny tap areas? (a) helps everyone (b) makes it harder
2. 2.Which of these makes the app harder to use? (a) strong colour contrast (b) colour as the only clue (c) labels on every icon (d) text that can grow
3. 3.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
   Title: 9 px
   Hint: 18 px
   Label: 26 px
   Footer: 20 px
   Menu: 26 px (a) Hint (b) Label (c) Footer (d) Title
4. 4.🔍 Which is the odd one out? (a) icons with no labels (b) tiny tap areas (c) big touch targets (d) sudden loud sounds
5. 5.♿ Does this help everyone, or make the app harder to use: labels on every icon? (a) helps everyone (b) makes it harder
6. 6.♿ A screen has 7 icon buttons. Only 5 of them have a text label for screen readers. How many still need a label?
7. 7.♿ Why add captions to videos? (a) to add colour (b) so anyone can follow (c) to hide the sound (d) to slow them down
8. 8.🔍 Which is the odd one out? (a) strong colour contrast (b) tiny tap areas (c) captions on videos (d) labels on every icon
9. 9.Which of these helps everyone use the app? (a) colour as the only clue (b) icons with no labels (c) sudden loud sounds (d) text that can grow
10. 10.True or false: “strong colour contrast” helps everyone use the app. (a) False (b) True
11. 11.♿ Does this help everyone, or make the app harder to use: icons with no labels? (a) makes it harder (b) helps everyone
12. 12.♿ What does a screen reader do? (a) plays music (b) makes text tiny (c) takes photos (d) reads the screen aloud
13. 13.Which of these makes the app harder to use? (a) captions on videos (b) tiny tap areas (c) text that can grow (d) strong colour contrast
14. 14.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
    Title: 15 px
    Label: 16 px
    Body text: 23 px
    Hint: 14 px
    Caption: 22 px
15. 15.♿ A screen has 6 icon buttons. Only 5 of them have a text label for screen readers. How many still need a label?
16. 16.True or false: “tiny tap areas” helps everyone use the app. (a) True (b) False
17. 17.♿ Showing right or wrong only in red and green is a problem for ___. (a) fast typists (b) the server (c) colour-blind users (d) the battery
18. 18.Which of these helps everyone use the app? (a) labels on every icon (b) icons with no labels (c) colour as the only clue (d) tiny tap areas
19. 19.True or false: “strong colour contrast” makes the app harder to use. (a) True (b) False
20. 20.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Label: 18 px
    Footer: 23 px
    Body text: 17 px
    Menu: 10 px
    Title: 20 px (a) Menu (b) Body text (c) Footer (d) Label
21. 21.♿ A screen has 6 icon buttons. Only 2 of them have a text label for screen readers. How many still need a label?
22. 22.♿ Does this help everyone, or make the app harder to use: sudden loud sounds? (a) helps everyone (b) makes it harder
23. 23.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Menu: 21 px
    Label: 24 px
    Body text: 11 px (a) Label (b) Body text (c) Menu
24. 24.♿ A screen has 9 icon buttons. Only 7 of them have a text label for screen readers. How many still need a label?
25. 25.♿ A screen has 10 icon buttons. Only 1 of them have a text label for screen readers. How many still need a label?
26. 26.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Hint: 18 px
    Body text: 20 px
    Title: 9 px
    Menu: 17 px
    Label: 16 px (a) Body text (b) Hint (c) Menu (d) Title
27. 27.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
    Title: 15 px
    Menu: 14 px
    Hint: 23 px
    Body text: 14 px
28. 28.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
    Hint: 13 px
    Label: 22 px
    Title: 14 px
29. 29.🔍 Which is the odd one out? (a) strong colour contrast (b) colour as the only clue (c) tiny tap areas (d) fast-flashing lights
30. 30.Which of these helps everyone use the app? (a) sudden loud sounds (b) fast-flashing lights (c) big touch targets (d) tiny tap areas
31. 31.🔍 Which is the odd one out? (a) tiny tap areas (b) sudden loud sounds (c) colour as the only clue (d) captions on videos
32. 32.♿ What should every icon-only button have for screen readers? (a) a bright colour (b) a long animation (c) a text label (d) a sound
33. 33.True or false: “tiny tap areas” makes the app harder to use. (a) True (b) False
34. 34.♿ Accessibility means an app works for ___. (a) only the coder (b) nobody (c) only experts (d) everyone
35. 35.♿ Does this help everyone, or make the app harder to use: fast-flashing lights? (a) makes it harder (b) helps everyone
36. 36.🔍 Which is the odd one out? (a) labels on every icon (b) sudden loud sounds (c) text that can grow (d) big touch targets
37. 37.🔍 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
38. 38.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Menu: 19 px
    Title: 20 px
    Hint: 18 px
    Footer: 12 px (a) Hint (b) Title (c) Menu (d) Footer
39. 39.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
    Label: 10 px
    Body text: 23 px
    Hint: 18 px
    Title: 21 px
40. 40.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Label: 17 px
    Menu: 17 px
    Body text: 9 px (a) Label (b) Menu (c) Body text

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