App Dev Worksheet: Accessibility

App development lesson 13: Accessibility · Set 298 · 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.True or false: “tiny tap areas” helps everyone use the app. (a) False (b) True
2. 2.♿ Does this help everyone, or make the app harder to use: tiny tap areas? (a) makes it harder (b) helps everyone
3. 3.True or false: “big touch targets” helps everyone use the app. (a) True (b) False
4. 4.♿ Does this help everyone, or make the app harder to use: big touch targets? (a) makes it harder (b) helps everyone
5. 5.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
   Menu: 26 px
   Body text: 9 px
   Caption: 19 px
   Hint: 16 px (a) Hint (b) Body text (c) Caption (d) Menu
6. 6.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
   Title: 11 px
   Footer: 11 px
   Menu: 21 px
   Body text: 21 px
7. 7.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
   Hint: 26 px
   Label: 17 px
   Title: 23 px
   Menu: 9 px (a) Title (b) Menu (c) Hint (d) Label
8. 8.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
   Label: 12 px
   Hint: 18 px
   Body text: 16 px (a) Hint (b) Body text (c) Label
9. 9.🔍 Which is the odd one out? (a) fast-flashing lights (b) big touch targets (c) tiny tap areas (d) colour as the only clue
10. 10.♿ Accessibility means an app works for ___. (a) nobody (b) everyone (c) only the coder (d) only experts
11. 11.🔍 Which is the odd one out? (a) captions on videos (b) text that can grow (c) tiny tap areas (d) labels on every icon
12. 12.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Footer: 22 px
    Title: 12 px
    Caption: 24 px
    Menu: 28 px
    Hint: 19 px (a) Caption (b) Title (c) Menu (d) Footer
13. 13.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
    Title: 17 px
    Menu: 12 px
    Body text: 17 px
    Footer: 11 px
    Caption: 10 px
14. 14.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
    Footer: 13 px
    Caption: 17 px
    Hint: 24 px
15. 15.True or false: “strong colour contrast” helps everyone use the app. (a) True (b) False
16. 16.♿ Does this help everyone, or make the app harder to use: colour as the only clue? (a) helps everyone (b) makes it harder
17. 17.♿ 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
18. 18.True or false: “strong colour contrast” makes the app harder to use. (a) False (b) True
19. 19.Which of these helps everyone use the app? (a) tiny tap areas (b) colour as the only clue (c) icons with no labels (d) strong colour contrast
20. 20.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Hint: 14 px
    Caption: 18 px
    Menu: 26 px
    Body text: 21 px
    Label: 16 px (a) Body text (b) Hint (c) Caption (d) Menu
21. 21.♿ A screen has 10 icon buttons. Only 2 of them have a text label for screen readers. How many still need a label?
22. 22.♿ A screen has 9 icon buttons. Only 2 of them have a text label for screen readers. How many still need a label?
23. 23.Which of these helps everyone use the app? (a) sudden loud sounds (b) fast-flashing lights (c) text that can grow (d) colour as the only clue
24. 24.True or false: “text that can grow” helps everyone use the app. (a) True (b) False
25. 25.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Footer: 19 px
    Body text: 18 px
    Caption: 12 px
    Hint: 18 px
    Label: 22 px (a) Body text (b) Caption (c) Hint (d) Footer
26. 26.True or false: “text that can grow” makes the app harder to use. (a) True (b) False
27. 27.🔍 Which is the odd one out? (a) sudden loud sounds (b) colour as the only clue (c) captions on videos (d) tiny tap areas
28. 28.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Footer: 16 px
    Label: 16 px
    Menu: 10 px
    Title: 23 px
    Hint: 16 px (a) Footer (b) Label (c) Menu (d) Title
29. 29.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Label: 12 px
    Menu: 26 px
    Body text: 23 px
    Title: 18 px (a) Body text (b) Label (c) Menu (d) Title
30. 30.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
    Menu: 11 px
    Hint: 13 px
    Caption: 22 px
    Body text: 16 px
    Footer: 18 px
31. 31.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
    Footer: 21 px
    Menu: 23 px
    Hint: 11 px
    Title: 13 px
    Body text: 13 px
32. 32.♿ Does this help everyone, or make the app harder to use: sudden loud sounds? (a) helps everyone (b) makes it harder
33. 33.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Caption: 13 px
    Label: 18 px
    Menu: 19 px
    Title: 24 px (a) Title (b) Label (c) Caption (d) Menu
34. 34.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Body text: 9 px
    Hint: 16 px
    Caption: 17 px (a) Caption (b) Hint (c) Body text
35. 35.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
    Footer: 24 px
    Body text: 18 px
    Label: 19 px
36. 36.True or false: “labels on every icon” makes the app harder to use. (a) True (b) False
37. 37.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Hint: 11 px
    Label: 20 px
    Menu: 19 px
    Footer: 19 px
    Title: 25 px (a) Hint (b) Label (c) Footer (d) Menu
38. 38.Which of these helps everyone use the app? (a) big touch targets (b) tiny tap areas (c) icons with no labels (d) fast-flashing lights
39. 39.🔍 Which is the odd one out? (a) sudden loud sounds (b) tiny tap areas (c) text that can grow (d) icons with no labels
40. 40.♿ Why add captions to videos? (a) to add colour (b) so anyone can follow (c) to slow them down (d) to hide the sound

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