App Dev Worksheet: Accessibility

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

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