App Dev Worksheet: Accessibility

App development lesson 13: Accessibility · Set 544 · 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?
   Title: 24 px
   Body text: 23 px
   Label: 9 px
   Hint: 21 px (a) Title (b) Body text (c) Label (d) Hint
2. 2.♿ A screen has 6 icon buttons. Only 2 of them have a text label for screen readers. How many still need a label?
3. 3.🔍 Which is the odd one out? (a) tiny tap areas (b) labels on every icon (c) colour as the only clue (d) fast-flashing lights
4. 4.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
   Hint: 25 px
   Caption: 16 px
   Label: 19 px
   Title: 19 px
   Footer: 10 px (a) Caption (b) Hint (c) Footer (d) Label
5. 5.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
   Body text: 16 px
   Hint: 24 px
   Menu: 17 px
   Footer: 17 px
   Title: 24 px
6. 6.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
   Menu: 14 px
   Caption: 23 px
   Title: 24 px
   Hint: 19 px (a) Hint (b) Title (c) Menu (d) Caption
7. 7.♿ Does this help everyone, or make the app harder to use: sudden loud sounds? (a) helps everyone (b) makes it harder
8. 8.True or false: “text that can grow” helps everyone use the app. (a) False (b) True
9. 9.♿ Accessibility means an app works for ___. (a) nobody (b) only the coder (c) only experts (d) everyone
10. 10.🔍 Which is the odd one out? (a) fast-flashing lights (b) icons with no labels (c) colour as the only clue (d) big touch targets
11. 11.Which of these makes the app harder to use? (a) captions on videos (b) labels on every icon (c) strong colour contrast (d) tiny tap areas
12. 12.♿ A screen has 8 icon buttons. Only 2 of them have a text label for screen readers. How many still need a label?
13. 13.♿ Does this help everyone, or make the app harder to use: labels on every icon? (a) helps everyone (b) makes it harder
14. 14.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Title: 23 px
    Caption: 16 px
    Footer: 24 px
    Label: 13 px
    Menu: 19 px (a) Title (b) Caption (c) Footer (d) Label
15. 15.Which of these helps everyone use the app? (a) text that can grow (b) colour as the only clue (c) tiny tap areas (d) sudden loud sounds
16. 16.Which of these makes the app harder to use? (a) big touch targets (b) colour as the only clue (c) captions on videos (d) strong colour contrast
17. 17.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
    Caption: 14 px
    Title: 14 px
    Body text: 10 px
18. 18.Which of these makes the app harder to use? (a) captions on videos (b) labels on every icon (c) text that can grow (d) icons with no labels
19. 19.♿ Does this help everyone, or make the app harder to use: colour as the only clue? (a) helps everyone (b) makes it harder
20. 20.Which of these helps everyone use the app? (a) fast-flashing lights (b) sudden loud sounds (c) colour as the only clue (d) captions on videos
21. 21.True or false: “icons with no labels” helps everyone use the app. (a) True (b) False
22. 22.♿ A screen has 5 icon buttons. Only 2 of them have a text label for screen readers. How many still need a label?
23. 23.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Body text: 9 px
    Menu: 26 px
    Hint: 24 px
    Title: 19 px
    Caption: 20 px (a) Hint (b) Title (c) Menu (d) Body text
24. 24.🔍 Which is the odd one out? (a) strong colour contrast (b) labels on every icon (c) fast-flashing lights (d) big touch targets
25. 25.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Label: 28 px
    Title: 26 px
    Menu: 9 px
    Caption: 17 px
    Footer: 23 px (a) Caption (b) Menu (c) Label (d) Title
26. 26.Which of these makes the app harder to use? (a) labels on every icon (b) strong colour contrast (c) sudden loud sounds (d) text that can grow
27. 27.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
    Menu: 17 px
    Hint: 15 px
    Title: 20 px
28. 28.♿ Does this help everyone, or make the app harder to use: text that can grow? (a) makes it harder (b) helps everyone
29. 29.♿ Does this help everyone, or make the app harder to use: strong colour contrast? (a) makes it harder (b) helps everyone
30. 30.True or false: “icons with no labels” makes the app harder to use. (a) True (b) False
31. 31.♿ A screen has 12 icon buttons. Only 3 of them have a text label for screen readers. How many still need a label?
32. 32.🔍 Which is the odd one out? (a) text that can grow (b) colour as the only clue (c) icons with no labels (d) fast-flashing lights
33. 33.True or false: “tiny tap areas” helps everyone use the app. (a) True (b) False
34. 34.♿ Why add captions to videos? (a) to add colour (b) to slow them down (c) to hide the sound (d) so anyone can follow
35. 35.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
    Hint: 24 px
    Body text: 14 px
    Title: 16 px
    Label: 20 px
    Menu: 20 px
36. 36.🔍 Which is the odd one out? (a) captions on videos (b) text that can grow (c) strong colour contrast (d) tiny tap areas
37. 37.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
    Title: 20 px
    Footer: 15 px
    Hint: 20 px
38. 38.♿ Does this help everyone, or make the app harder to use: big touch targets? (a) makes it harder (b) helps everyone
39. 39.♿ A screen has 12 icon buttons. Only 8 of them have a text label for screen readers. How many still need a label?
40. 40.♿ A screen has 5 icon buttons. Only 4 of them have a text label for screen readers. How many still need a label?

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