App Dev Worksheet: Accessibility

App development lesson 13: Accessibility · Set 578 · 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: captions on videos? (a) helps everyone (b) makes it harder
2. 2.Which of these helps everyone use the app? (a) icons with no labels (b) sudden loud sounds (c) tiny tap areas (d) captions on videos
3. 3.Which of these helps everyone use the app? (a) sudden loud sounds (b) colour as the only clue (c) tiny tap areas (d) strong colour contrast
4. 4.True or false: “big touch targets” makes the app harder to use. (a) False (b) True
5. 5.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
   Menu: 18 px
   Footer: 13 px
   Hint: 18 px
   Body text: 21 px
   Label: 12 px
6. 6.Which of these makes the app harder to use? (a) big touch targets (b) text that can grow (c) captions on videos (d) tiny tap areas
7. 7.♿ Why add captions to videos? (a) to add colour (b) to slow them down (c) to hide the sound (d) so anyone can follow
8. 8.♿ A screen has 5 icon buttons. Only 1 of them have a text label for screen readers. How many still need a label?
9. 9.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
   Hint: 26 px
   Footer: 17 px
   Label: 17 px
   Caption: 13 px
   Menu: 25 px (a) Label (b) Caption (c) Hint (d) Footer
10. 10.♿ Does this help everyone, or make the app harder to use: icons with no labels? (a) helps everyone (b) makes it harder
11. 11.🔍 Which is the odd one out? (a) big touch targets (b) tiny tap areas (c) icons with no labels (d) sudden loud sounds
12. 12.True or false: “strong colour contrast” helps everyone use the app. (a) False (b) True
13. 13.True or false: “text that can grow” makes the app harder to use. (a) False (b) True
14. 14.♿ Does this help everyone, or make the app harder to use: text that can grow? (a) helps everyone (b) makes it harder
15. 15.True or false: “colour as the only clue” makes the app harder to use. (a) False (b) True
16. 16.♿ A screen has 8 icon buttons. Only 6 of them have a text label for screen readers. How many still need a label?
17. 17.♿ What does a screen reader do? (a) plays music (b) reads the screen aloud (c) makes text tiny (d) takes photos
18. 18.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Caption: 19 px
    Label: 9 px
    Body text: 17 px (a) Caption (b) Body text (c) Label
19. 19.🔍 Which is the odd one out? (a) text that can grow (b) fast-flashing lights (c) labels on every icon (d) strong colour contrast
20. 20.♿ Does this help everyone, or make the app harder to use: strong colour contrast? (a) makes it harder (b) helps everyone
21. 21.🔍 Which is the odd one out? (a) tiny tap areas (b) labels on every icon (c) big touch targets (d) strong colour contrast
22. 22.♿ Accessibility means an app works for ___. (a) only the coder (b) everyone (c) nobody (d) only experts
23. 23.Which of these makes the app harder to use? (a) text that can grow (b) strong colour contrast (c) icons with no labels (d) big touch targets
24. 24.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
    Hint: 18 px
    Body text: 13 px
    Menu: 21 px
    Footer: 15 px
25. 25.♿ 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
26. 26.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
    Body text: 10 px
    Title: 14 px
    Caption: 16 px
    Menu: 23 px
27. 27.True or false: “colour as the only clue” helps everyone use the app. (a) True (b) False
28. 28.♿ A screen has 6 icon buttons. Only 4 of them have a text label for screen readers. How many still need a label?
29. 29.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
    Footer: 24 px
    Body text: 12 px
    Caption: 10 px
    Menu: 16 px
    Title: 19 px
30. 30.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
    Title: 15 px
    Menu: 14 px
    Footer: 20 px
31. 31.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Label: 27 px
    Caption: 28 px
    Body text: 13 px (a) Body text (b) Label (c) Caption
32. 32.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Footer: 12 px
    Title: 18 px
    Body text: 21 px
    Hint: 24 px (a) Footer (b) Title (c) Hint (d) Body text
33. 33.♿ Does this help everyone, or make the app harder to use: tiny tap areas? (a) makes it harder (b) helps everyone
34. 34.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Title: 22 px
    Caption: 12 px
    Footer: 23 px (a) Title (b) Caption (c) Footer
35. 35.♿ A screen has 11 icon buttons. Only 1 of them have a text label for screen readers. How many still need a label?
36. 36.♿ Does this help everyone, or make the app harder to use: big touch targets? (a) makes it harder (b) helps everyone
37. 37.♿ A screen has 11 icon buttons. Only 4 of them have a text label for screen readers. How many still need a label?
38. 38.True or false: “sudden loud sounds” makes the app harder to use. (a) False (b) True
39. 39.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Title: 16 px
    Body text: 18 px
    Footer: 9 px
    Hint: 19 px
    Caption: 23 px (a) Hint (b) Footer (c) Body text (d) Title
40. 40.Which of these makes the app harder to use? (a) labels on every icon (b) text that can grow (c) colour as the only clue (d) big touch targets

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