App Dev Worksheet: Accessibility

App development lesson 13: Accessibility · Set 641 · 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: sudden loud sounds? (a) helps everyone (b) makes it harder
2. 2.Which of these helps everyone use the app? (a) tiny tap areas (b) fast-flashing lights (c) icons with no labels (d) strong colour contrast
3. 3.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
   Body text: 13 px
   Footer: 17 px
   Menu: 22 px
   Label: 22 px (a) Footer (b) Menu (c) Label (d) Body text
4. 4.♿ A screen has 11 icon buttons. Only 9 of them have a text label for screen readers. How many still need a label?
5. 5.♿ Does this help everyone, or make the app harder to use: text that can grow? (a) makes it harder (b) helps everyone
6. 6.♿ A screen has 7 icon buttons. Only 3 of them have a text label for screen readers. How many still need a label?
7. 7.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
   Title: 10 px
   Hint: 23 px
   Label: 20 px (a) Title (b) Label (c) Hint
8. 8.♿ What should every icon-only button have for screen readers? (a) a bright colour (b) a long animation (c) a sound (d) a text label
9. 9.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
   Body text: 12 px
   Title: 24 px
   Label: 14 px
   Caption: 16 px
   Hint: 10 px
10. 10.🔍 Which is the odd one out? (a) icons with no labels (b) text that can grow (c) tiny tap areas (d) fast-flashing lights
11. 11.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
    Hint: 10 px
    Caption: 14 px
    Body text: 19 px
12. 12.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Hint: 11 px
    Footer: 21 px
    Label: 20 px
    Menu: 22 px
    Title: 23 px (a) Label (b) Menu (c) Footer (d) Hint
13. 13.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Hint: 24 px
    Menu: 14 px
    Title: 21 px
    Footer: 28 px (a) Menu (b) Footer (c) Title (d) Hint
14. 14.♿ Why add captions to videos? (a) to add colour (b) so anyone can follow (c) to slow them down (d) to hide the sound
15. 15.Which of these makes the app harder to use? (a) strong colour contrast (b) text that can grow (c) fast-flashing lights (d) labels on every icon
16. 16.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
17. 17.Which of these makes the app harder to use? (a) big touch targets (b) labels on every icon (c) tiny tap areas (d) text that can grow
18. 18.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Label: 24 px
    Caption: 14 px
    Hint: 26 px (a) Caption (b) Hint (c) Label
19. 19.🔍 Which is the odd one out? (a) icons with no labels (b) colour as the only clue (c) big touch targets (d) tiny tap areas
20. 20.🔍 Which is the odd one out? (a) sudden loud sounds (b) fast-flashing lights (c) colour as the only clue (d) captions on videos
21. 21.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Label: 21 px
    Footer: 12 px
    Caption: 25 px (a) Label (b) Footer (c) Caption
22. 22.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Hint: 14 px
    Label: 16 px
    Menu: 18 px
    Footer: 17 px
    Body text: 24 px (a) Label (b) Menu (c) Hint (d) Footer
23. 23.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
    Body text: 20 px
    Footer: 22 px
    Title: 24 px
    Caption: 12 px
24. 24.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
    Label: 24 px
    Title: 10 px
    Hint: 23 px
    Caption: 15 px
    Body text: 14 px
25. 25.♿ Showing right or wrong only in red and green is a problem for ___. (a) colour-blind users (b) fast typists (c) the battery (d) the server
26. 26.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
    Menu: 10 px
    Body text: 17 px
    Title: 23 px
    Hint: 18 px
    Footer: 16 px
27. 27.♿ A screen has 10 icon buttons. Only 3 of them have a text label for screen readers. How many still need a label?
28. 28.♿ Does this help everyone, or make the app harder to use: tiny tap areas? (a) makes it harder (b) helps everyone
29. 29.🔍 Which is the odd one out? (a) icons with no labels (b) sudden loud sounds (c) labels on every icon (d) colour as the only clue
30. 30.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
    Label: 23 px
    Title: 22 px
    Footer: 13 px
31. 31.♿ A screen has 10 icon buttons. Only 2 of them have a text label for screen readers. How many still need a label?
32. 32.True or false: “tiny tap areas” makes the app harder to use. (a) False (b) True
33. 33.🔍 Which is the odd one out? (a) strong colour contrast (b) captions on videos (c) text that can grow (d) sudden loud sounds
34. 34.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Body text: 27 px
    Caption: 27 px
    Title: 22 px
    Label: 19 px
    Menu: 10 px (a) Menu (b) Title (c) Caption (d) Body text
35. 35.True or false: “strong colour contrast” makes the app harder to use. (a) False (b) True
36. 36.♿ A screen has 10 icon buttons. Only 5 of them have a text label for screen readers. How many still need a label?
37. 37.♿ Does this help everyone, or make the app harder to use: big touch targets? (a) helps everyone (b) makes it harder
38. 38.True or false: “big touch targets” helps everyone use the app. (a) False (b) True
39. 39.♿ Does this help everyone, or make the app harder to use: icons with no labels? (a) makes it harder (b) helps everyone
40. 40.True or false: “icons with no labels” helps everyone use the app. (a) False (b) True

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