App Dev Worksheet: Accessibility

App development lesson 13: Accessibility · Set 541 · 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) labels on every icon (c) text that can grow (d) sudden loud sounds
2. 2.♿ Does this help everyone, or make the app harder to use: strong colour contrast? (a) helps everyone (b) makes it harder
3. 3.🔍 Which is the odd one out? (a) text that can grow (b) big touch targets (c) labels on every icon (d) colour as the only clue
4. 4.True or false: “captions on videos” helps everyone use the app. (a) False (b) True
5. 5.♿ Showing right or wrong only in red and green is a problem for ___. (a) the server (b) fast typists (c) colour-blind users (d) the battery
6. 6.True or false: “labels on every icon” helps everyone use the app. (a) True (b) False
7. 7.♿ Does this help everyone, or make the app harder to use: tiny tap areas? (a) helps everyone (b) makes it harder
8. 8.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
   Caption: 10 px
   Footer: 16 px
   Title: 25 px (a) Caption (b) Title (c) Footer
9. 9.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
   Caption: 24 px
   Label: 19 px
   Body text: 10 px
   Hint: 21 px (a) Hint (b) Label (c) Body text (d) Caption
10. 10.True or false: “sudden loud sounds” helps everyone use the app. (a) True (b) False
11. 11.♿ Why add captions to videos? (a) so anyone can follow (b) to slow them down (c) to add colour (d) to hide the sound
12. 12.♿ Accessibility means an app works for ___. (a) nobody (b) everyone (c) only the coder (d) only experts
13. 13.♿ Does this help everyone, or make the app harder to use: text that can grow? (a) makes it harder (b) helps everyone
14. 14.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Caption: 18 px
    Label: 10 px
    Hint: 23 px (a) Caption (b) Label (c) Hint
15. 15.♿ Does this help everyone, or make the app harder to use: fast-flashing lights? (a) makes it harder (b) helps everyone
16. 16.♿ Does this help everyone, or make the app harder to use: icons with no labels? (a) helps everyone (b) makes it harder
17. 17.♿ A screen has 5 icon buttons. Only 2 of them have a text label for screen readers. How many still need a label?
18. 18.♿ What does a screen reader do? (a) plays music (b) takes photos (c) reads the screen aloud (d) makes text tiny
19. 19.True or false: “big touch targets” helps everyone use the app. (a) True (b) False
20. 20.Which of these helps everyone use the app? (a) colour as the only clue (b) icons with no labels (c) sudden loud sounds (d) text that can grow
21. 21.🔍 Which is the odd one out? (a) tiny tap areas (b) icons with no labels (c) colour as the only clue (d) captions on videos
22. 22.♿ Does this help everyone, or make the app harder to use: sudden loud sounds? (a) makes it harder (b) helps everyone
23. 23.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
    Menu: 18 px
    Label: 17 px
    Caption: 16 px
    Hint: 15 px
    Title: 16 px
24. 24.Which of these makes the app harder to use? (a) text that can grow (b) strong colour contrast (c) captions on videos (d) colour as the only clue
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.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
    Footer: 24 px
    Body text: 20 px
    Hint: 24 px
27. 27.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Caption: 16 px
    Body text: 26 px
    Title: 28 px
    Hint: 9 px
    Label: 21 px (a) Title (b) Hint (c) Caption (d) Body text
28. 28.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
    Hint: 22 px
    Caption: 17 px
    Title: 10 px
29. 29.🔍 Which is the odd one out? (a) icons with no labels (b) labels on every icon (c) text that can grow (d) big touch targets
30. 30.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
    Caption: 22 px
    Label: 12 px
    Title: 12 px
31. 31.True or false: “text that can grow” makes the app harder to use. (a) False (b) True
32. 32.True or false: “fast-flashing lights” makes the app harder to use. (a) False (b) True
33. 33.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Label: 16 px
    Caption: 27 px
    Body text: 14 px (a) Caption (b) Body text (c) Label
34. 34.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Label: 25 px
    Hint: 16 px
    Footer: 9 px
    Menu: 25 px (a) Hint (b) Label (c) Menu (d) Footer
35. 35.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Hint: 13 px
    Menu: 20 px
    Body text: 18 px
    Title: 16 px (a) Menu (b) Body text (c) Hint (d) Title
36. 36.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
    Hint: 12 px
    Caption: 13 px
    Body text: 20 px
    Footer: 12 px
    Title: 17 px
37. 37.True or false: “tiny tap areas” helps everyone use the app. (a) True (b) False
38. 38.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Hint: 12 px
    Label: 22 px
    Title: 21 px (a) Title (b) Hint (c) Label
39. 39.♿ A screen has 8 icon buttons. Only 6 of them have a text label for screen readers. How many still need a label?
40. 40.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Label: 20 px
    Title: 26 px
    Caption: 11 px (a) Caption (b) Label (c) Title

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