App Dev Worksheet: Accessibility

App development lesson 13: Accessibility · Set 832 · 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.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
   Label: 11 px
   Hint: 16 px
   Title: 26 px
   Caption: 25 px (a) Hint (b) Caption (c) Label (d) Title
2. 2.♿ Does this help everyone, or make the app harder to use: icons with no labels? (a) makes it harder (b) helps everyone
3. 3.♿ What should every icon-only button have for screen readers? (a) a long animation (b) a bright colour (c) a sound (d) a text label
4. 4.True or false: “big touch targets” makes the app harder to use. (a) True (b) False
5. 5.♿ Does this help everyone, or make the app harder to use: fast-flashing lights? (a) helps everyone (b) makes it harder
6. 6.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
   Title: 28 px
   Body text: 9 px
   Label: 17 px (a) Body text (b) Title (c) Label
7. 7.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
   Body text: 9 px
   Menu: 20 px
   Caption: 28 px
   Footer: 20 px
   Hint: 26 px (a) Body text (b) Caption (c) Footer (d) Menu
8. 8.🔍 Which is the odd one out? (a) captions on videos (b) tiny tap areas (c) colour as the only clue (d) fast-flashing lights
9. 9.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
   Title: 17 px
   Footer: 21 px
   Label: 15 px
   Body text: 13 px
10. 10.♿ Does this help everyone, or make the app harder to use: sudden loud sounds? (a) makes it harder (b) helps everyone
11. 11.♿ Does this help everyone, or make the app harder to use: strong colour contrast? (a) makes it harder (b) helps everyone
12. 12.♿ Accessibility means an app works for ___. (a) everyone (b) nobody (c) only the coder (d) only experts
13. 13.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Title: 14 px
    Caption: 19 px
    Label: 23 px
    Hint: 27 px
    Footer: 26 px (a) Label (b) Title (c) Hint (d) Caption
14. 14.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Title: 27 px
    Footer: 22 px
    Hint: 22 px
    Body text: 13 px
    Label: 18 px (a) Hint (b) Body text (c) Footer (d) Title
15. 15.♿ A screen has 10 icon buttons. Only 7 of them have a text label for screen readers. How many still need a label?
16. 16.♿ Does this help everyone, or make the app harder to use: colour as the only clue? (a) helps everyone (b) makes it harder
17. 17.🔍 Which is the odd one out? (a) strong colour contrast (b) sudden loud sounds (c) icons with no labels (d) colour as the only clue
18. 18.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
    Menu: 10 px
    Caption: 18 px
    Hint: 18 px
    Body text: 14 px
19. 19.🔍 Which is the odd one out? (a) colour as the only clue (b) sudden loud sounds (c) fast-flashing lights (d) big touch targets
20. 20.♿ Does this help everyone, or make the app harder to use: text that can grow? (a) makes it harder (b) helps everyone
21. 21.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
    Footer: 15 px
    Body text: 11 px
    Menu: 16 px
    Label: 17 px
22. 22.♿ A screen has 10 icon buttons. Only 3 of them have a text label for screen readers. How many still need a label?
23. 23.Which of these helps everyone use the app? (a) tiny tap areas (b) fast-flashing lights (c) colour as the only clue (d) text that can grow
24. 24.True or false: “captions on videos” makes the app harder to use. (a) True (b) False
25. 25.♿ Does this help everyone, or make the app harder to use: labels on every icon? (a) helps everyone (b) makes it harder
26. 26.True or false: “sudden loud sounds” helps everyone use the app. (a) True (b) False
27. 27.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Hint: 16 px
    Menu: 10 px
    Label: 28 px (a) Hint (b) Menu (c) Label
28. 28.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Body text: 21 px
    Title: 12 px
    Hint: 25 px (a) Hint (b) Body text (c) Title
29. 29.🔍 Which is the odd one out? (a) labels on every icon (b) text that can grow (c) strong colour contrast (d) sudden loud sounds
30. 30.♿ A screen has 11 icon buttons. Only 10 of them have a text label for screen readers. How many still need a label?
31. 31.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Hint: 10 px
    Title: 22 px
    Menu: 26 px
    Caption: 23 px (a) Caption (b) Hint (c) Menu (d) Title
32. 32.♿ A screen has 8 icon buttons. Only 6 of them have a text label for screen readers. How many still need a label?
33. 33.Which of these helps everyone use the app? (a) sudden loud sounds (b) captions on videos (c) fast-flashing lights (d) colour as the only clue
34. 34.♿ Showing right or wrong only in red and green is a problem for ___. (a) the battery (b) fast typists (c) the server (d) colour-blind users
35. 35.♿ Why add captions to videos? (a) so anyone can follow (b) to slow them down (c) to hide the sound (d) to add colour
36. 36.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
    Footer: 19 px
    Caption: 19 px
    Label: 21 px
    Menu: 10 px
    Hint: 20 px
37. 37.True or false: “icons with no labels” makes the app harder to use. (a) False (b) True
38. 38.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
    Label: 21 px
    Menu: 24 px
    Caption: 10 px
39. 39.Which of these makes the app harder to use? (a) strong colour contrast (b) big touch targets (c) icons with no labels (d) text that can grow
40. 40.True or false: “text that can grow” helps everyone use the app. (a) True (b) False

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