App Dev Worksheet: Accessibility

App development lesson 13: Accessibility · Set 753 · 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) sudden loud sounds (b) big touch targets (c) labels on every icon (d) strong colour contrast
2. 2.♿ Accessibility means an app works for ___. (a) everyone (b) nobody (c) only experts (d) only the coder
3. 3.♿ A screen has 5 icon buttons. Only 2 of them have a text label for screen readers. How many still need a label?
4. 4.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
   Footer: 10 px
   Title: 20 px
   Caption: 18 px
   Menu: 15 px
   Hint: 13 px
5. 5.🔍 Which is the odd one out? (a) text that can grow (b) fast-flashing lights (c) strong colour contrast (d) captions on videos
6. 6.♿ Does this help everyone, or make the app harder to use: sudden loud sounds? (a) makes it harder (b) helps everyone
7. 7.♿ Showing right or wrong only in red and green is a problem for ___. (a) the battery (b) the server (c) colour-blind users (d) fast typists
8. 8.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
   Title: 23 px
   Hint: 13 px
   Footer: 15 px
9. 9.♿ A screen has 7 icon buttons. Only 6 of them have a text label for screen readers. How many still need a label?
10. 10.True or false: “big touch targets” makes the app harder to use. (a) True (b) False
11. 11.Which of these helps everyone use the app? (a) sudden loud sounds (b) tiny tap areas (c) labels on every icon (d) icons with no labels
12. 12.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Footer: 14 px
    Menu: 19 px
    Body text: 24 px
    Title: 21 px
    Hint: 27 px (a) Footer (b) Body text (c) Menu (d) Title
13. 13.♿ What does a screen reader do? (a) makes text tiny (b) plays music (c) takes photos (d) reads the screen aloud
14. 14.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Caption: 18 px
    Hint: 27 px
    Footer: 18 px
    Title: 24 px
    Body text: 10 px (a) Caption (b) Body text (c) Footer (d) Hint
15. 15.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Footer: 24 px
    Hint: 17 px
    Title: 21 px
    Menu: 14 px (a) Hint (b) Title (c) Menu (d) Footer
16. 16.♿ Why add captions to videos? (a) to add colour (b) so anyone can follow (c) to slow them down (d) to hide the sound
17. 17.♿ A screen has 6 icon buttons. Only 2 of them have a text label for screen readers. How many still need a label?
18. 18.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
    Body text: 22 px
    Menu: 17 px
    Title: 24 px
    Caption: 13 px
    Hint: 12 px
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.♿ A screen has 6 icon buttons. Only 1 of them have a text label for screen readers. How many still need a label?
21. 21.♿ Does this help everyone, or make the app harder to use: strong colour contrast? (a) makes it harder (b) helps everyone
22. 22.♿ Does this help everyone, or make the app harder to use: icons with no labels? (a) helps everyone (b) makes it harder
23. 23.Which of these makes the app harder to use? (a) tiny tap areas (b) captions on videos (c) text that can grow (d) labels on every icon
24. 24.♿ Does this help everyone, or make the app harder to use: labels on every icon? (a) helps everyone (b) makes it harder
25. 25.🔍 Which is the odd one out? (a) colour as the only clue (b) big touch targets (c) icons with no labels (d) tiny tap areas
26. 26.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Title: 24 px
    Body text: 9 px
    Footer: 21 px (a) Title (b) Footer (c) Body text
27. 27.True or false: “text that can grow” makes the app harder to use. (a) False (b) True
28. 28.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
    Body text: 20 px
    Caption: 12 px
    Title: 11 px
29. 29.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Title: 23 px
    Footer: 25 px
    Menu: 10 px
    Hint: 20 px (a) Hint (b) Footer (c) Title (d) Menu
30. 30.♿ Does this help everyone, or make the app harder to use: tiny tap areas? (a) makes it harder (b) helps everyone
31. 31.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
    Body text: 12 px
    Label: 12 px
    Menu: 11 px
    Caption: 24 px
32. 32.True or false: “labels on every icon” helps everyone use the app. (a) True (b) False
33. 33.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
    Hint: 14 px
    Label: 13 px
    Footer: 13 px
    Title: 22 px
    Body text: 13 px
34. 34.🔍 Which is the odd one out? (a) tiny tap areas (b) labels on every icon (c) captions on videos (d) text that can grow
35. 35.True or false: “captions on videos” makes the app harder to use. (a) False (b) True
36. 36.♿ A screen has 8 icon buttons. Only 2 of them have a text label for screen readers. How many still need a label?
37. 37.Which of these helps everyone use the app? (a) sudden loud sounds (b) tiny tap areas (c) icons with no labels (d) text that can grow
38. 38.True or false: “colour as the only clue” helps everyone use the app. (a) False (b) True
39. 39.True or false: “fast-flashing lights” makes the app harder to use. (a) False (b) True
40. 40.♿ Does this help everyone, or make the app harder to use: fast-flashing lights? (a) helps everyone (b) makes it harder

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