App Dev Worksheet: Accessibility

App development lesson 13: Accessibility · Set 643 · 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.♿ Why add captions to videos? (a) to add colour (b) to hide the sound (c) so anyone can follow (d) to slow them down
2. 2.♿ Does this help everyone, or make the app harder to use: labels on every icon? (a) makes it harder (b) helps everyone
3. 3.♿ What does a screen reader do? (a) takes photos (b) makes text tiny (c) reads the screen aloud (d) plays music
4. 4.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
   Caption: 28 px
   Label: 23 px
   Menu: 9 px (a) Label (b) Caption (c) Menu
5. 5.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
   Footer: 11 px
   Title: 22 px
   Label: 22 px
6. 6.♿ A screen has 8 icon buttons. Only 4 of them have a text label for screen readers. How many still need a label?
7. 7.🔍 Which is the odd one out? (a) fast-flashing lights (b) icons with no labels (c) labels on every icon (d) colour as the only clue
8. 8.♿ Does this help everyone, or make the app harder to use: tiny tap areas? (a) makes it harder (b) helps everyone
9. 9.True or false: “colour as the only clue” makes the app harder to use. (a) False (b) True
10. 10.♿ Does this help everyone, or make the app harder to use: strong colour contrast? (a) helps everyone (b) makes it harder
11. 11.Which of these helps everyone use the app? (a) tiny tap areas (b) fast-flashing lights (c) text that can grow (d) sudden loud sounds
12. 12.True or false: “text that can grow” makes the app harder to use. (a) True (b) False
13. 13.♿ Accessibility means an app works for ___. (a) nobody (b) only the coder (c) everyone (d) only experts
14. 14.♿ A screen has 10 icon buttons. Only 7 of them have a text label for screen readers. How many still need a label?
15. 15.True or false: “colour as the only clue” helps everyone use the app. (a) True (b) False
16. 16.True or false: “labels on every icon” helps everyone use the app. (a) True (b) False
17. 17.♿ A screen has 5 icon buttons. Only 4 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. Which text on this screen is too small?
    Caption: 27 px
    Title: 9 px
    Label: 20 px
    Menu: 16 px (a) Label (b) Menu (c) Caption (d) Title
19. 19.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
    Body text: 20 px
    Label: 12 px
    Caption: 17 px
20. 20.♿ Does this help everyone, or make the app harder to use: sudden loud sounds? (a) helps everyone (b) makes it harder
21. 21.True or false: “icons with no labels” helps everyone use the app. (a) False (b) True
22. 22.True or false: “big touch targets” helps everyone use the app. (a) False (b) True
23. 23.Which of these makes the app harder to use? (a) text that can grow (b) tiny tap areas (c) labels on every icon (d) captions on videos
24. 24.♿ Does this help everyone, or make the app harder to use: colour as the only clue? (a) helps everyone (b) makes it harder
25. 25.♿ A screen has 7 icon buttons. Only 3 of them have a text label for screen readers. How many still need a label?
26. 26.True or false: “tiny tap areas” makes the app harder to use. (a) True (b) False
27. 27.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Title: 28 px
    Footer: 23 px
    Caption: 14 px (a) Footer (b) Title (c) Caption
28. 28.Which of these makes the app harder to use? (a) colour as the only clue (b) labels on every icon (c) big touch targets (d) text that can grow
29. 29.True or false: “tiny tap areas” helps everyone use the app. (a) True (b) False
30. 30.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Hint: 16 px
    Body text: 10 px
    Label: 17 px (a) Hint (b) Body text (c) Label
31. 31.🔍 Which is the odd one out? (a) captions on videos (b) big touch targets (c) colour as the only clue (d) strong colour contrast
32. 32.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
    Caption: 12 px
    Title: 12 px
    Label: 24 px
    Footer: 24 px
    Menu: 22 px
33. 33.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Footer: 19 px
    Body text: 9 px
    Title: 20 px
    Label: 16 px
    Hint: 17 px (a) Title (b) Body text (c) Label (d) Footer
34. 34.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Label: 21 px
    Menu: 26 px
    Body text: 14 px
    Footer: 23 px
    Hint: 19 px (a) Label (b) Footer (c) Body text (d) Menu
35. 35.♿ Does this help everyone, or make the app harder to use: fast-flashing lights? (a) makes it harder (b) helps everyone
36. 36.♿ A screen has 5 icon buttons. Only 2 of them have a text label for screen readers. How many still need a label?
37. 37.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
    Title: 11 px
    Menu: 15 px
    Label: 19 px
    Body text: 14 px
    Caption: 12 px
38. 38.True or false: “strong colour contrast” helps everyone use the app. (a) True (b) False
39. 39.🔍 Which is the odd one out? (a) big touch targets (b) sudden loud sounds (c) labels on every icon (d) captions on videos
40. 40.♿ Does this help everyone, or make the app harder to use: captions on videos? (a) helps everyone (b) makes it harder

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