App Dev Worksheet: Accessibility

App development lesson 13: Accessibility · Set 305 · 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 is the odd one out? (a) big touch targets (b) colour as the only clue (c) strong colour contrast (d) labels on every icon
2. 2.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
   Label: 19 px
   Footer: 10 px
   Hint: 22 px
   Caption: 22 px (a) Label (b) Footer (c) Hint (d) Caption
3. 3.♿ Does this help everyone, or make the app harder to use: fast-flashing lights? (a) helps everyone (b) makes it harder
4. 4.♿ What should every icon-only button have for screen readers? (a) a sound (b) a bright colour (c) a long animation (d) a text label
5. 5.🔍 Which is the odd one out? (a) sudden loud sounds (b) big touch targets (c) icons with no labels (d) tiny tap areas
6. 6.True or false: “colour as the only clue” makes the app harder to use. (a) False (b) True
7. 7.Which of these makes the app harder to use? (a) captions on videos (b) big touch targets (c) sudden loud sounds (d) text that can grow
8. 8.True or false: “sudden loud sounds” makes the app harder to use. (a) False (b) True
9. 9.♿ Showing right or wrong only in red and green is a problem for ___. (a) fast typists (b) the battery (c) the server (d) colour-blind users
10. 10.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Footer: 24 px
    Label: 25 px
    Caption: 9 px (a) Caption (b) Label (c) Footer
11. 11.♿ A screen has 8 icon buttons. Only 4 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. Which text on this screen is too small?
    Caption: 21 px
    Body text: 11 px
    Title: 27 px (a) Title (b) Body text (c) Caption
13. 13.♿ Does this help everyone, or make the app harder to use: tiny tap areas? (a) helps everyone (b) makes it harder
14. 14.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
    Hint: 10 px
    Footer: 15 px
    Label: 11 px
    Title: 16 px
    Menu: 19 px
15. 15.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Title: 27 px
    Caption: 16 px
    Body text: 27 px
    Menu: 10 px (a) Title (b) Menu (c) Body text (d) Caption
16. 16.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Hint: 22 px
    Title: 9 px
    Footer: 16 px (a) Footer (b) Title (c) Hint
17. 17.Which of these makes the app harder to use? (a) big touch targets (b) tiny tap areas (c) text that can grow (d) captions on videos
18. 18.♿ Why add captions to videos? (a) to add colour (b) to hide the sound (c) so anyone can follow (d) to slow them down
19. 19.True or false: “text that can grow” helps everyone use the app. (a) True (b) False
20. 20.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
    Body text: 19 px
    Caption: 19 px
    Menu: 12 px
    Hint: 20 px
    Footer: 11 px
21. 21.♿ A screen has 7 icon buttons. Only 4 of them have a text label for screen readers. How many still need a label?
22. 22.♿ A screen has 6 icon buttons. Only 5 of them have a text label for screen readers. How many still need a label?
23. 23.♿ Does this help everyone, or make the app harder to use: strong colour contrast? (a) makes it harder (b) helps everyone
24. 24.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Footer: 11 px
    Hint: 22 px
    Title: 17 px
    Body text: 28 px (a) Title (b) Hint (c) Body text (d) Footer
25. 25.Which of these makes the app harder to use? (a) captions on videos (b) strong colour contrast (c) text that can grow (d) fast-flashing lights
26. 26.♿ Accessibility means an app works for ___. (a) only experts (b) nobody (c) everyone (d) only the coder
27. 27.♿ Does this help everyone, or make the app harder to use: captions on videos? (a) makes it harder (b) helps everyone
28. 28.🔍 Which is the odd one out? (a) icons with no labels (b) colour as the only clue (c) labels on every icon (d) fast-flashing lights
29. 29.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
    Hint: 13 px
    Label: 13 px
    Body text: 18 px
    Menu: 13 px
30. 30.♿ A screen has 9 icon buttons. Only 7 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. How many texts on this screen are too small?
    Label: 13 px
    Footer: 22 px
    Title: 10 px
32. 32.♿ What does a screen reader do? (a) makes text tiny (b) takes photos (c) plays music (d) reads the screen aloud
33. 33.🔍 Which is the odd one out? (a) sudden loud sounds (b) captions on videos (c) fast-flashing lights (d) colour as the only clue
34. 34.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Title: 13 px
    Label: 18 px
    Footer: 18 px (a) Footer (b) Label (c) Title
35. 35.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
    Body text: 24 px
    Title: 22 px
    Footer: 24 px
36. 36.♿ Does this help everyone, or make the app harder to use: icons with no labels? (a) helps everyone (b) makes it harder
37. 37.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Footer: 18 px
    Hint: 23 px
    Label: 13 px
    Title: 20 px
    Menu: 23 px (a) Title (b) Footer (c) Label (d) Hint
38. 38.♿ A screen has 7 icon buttons. Only 1 of them have a text label for screen readers. How many still need a label?
39. 39.Which of these helps everyone use the app? (a) fast-flashing lights (b) big touch targets (c) colour as the only clue (d) tiny tap areas
40. 40.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
    Body text: 22 px
    Label: 11 px
    Caption: 13 px

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