App Dev Worksheet: Accessibility

App development lesson 13: Accessibility · Set 844 · 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?
   Label: 26 px
   Title: 9 px
   Body text: 28 px
   Footer: 22 px
   Hint: 20 px (a) Label (b) Footer (c) Title (d) Body text
2. 2.♿ Showing right or wrong only in red and green is a problem for ___. (a) the server (b) fast typists (c) the battery (d) colour-blind users
3. 3.Which of these makes the app harder to use? (a) text that can grow (b) captions on videos (c) labels on every icon (d) tiny tap areas
4. 4.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
   Label: 22 px
   Footer: 19 px
   Caption: 22 px
   Menu: 10 px
   Hint: 20 px (a) Label (b) Footer (c) Menu (d) Caption
5. 5.♿ Does this help everyone, or make the app harder to use: icons with no labels? (a) helps everyone (b) makes it harder
6. 6.🔍 Which is the odd one out? (a) icons with no labels (b) captions on videos (c) text that can grow (d) big touch targets
7. 7.Which of these helps everyone use the app? (a) sudden loud sounds (b) colour as the only clue (c) big touch targets (d) icons with no labels
8. 8.♿ Does this help everyone, or make the app harder to use: labels on every icon? (a) makes it harder (b) helps everyone
9. 9.True or false: “icons with no labels” makes the app harder to use. (a) False (b) True
10. 10.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
    Title: 24 px
    Label: 14 px
    Menu: 11 px
    Body text: 18 px
    Caption: 19 px
11. 11.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
    Menu: 18 px
    Caption: 24 px
    Footer: 12 px
    Body text: 18 px
    Title: 24 px
12. 12.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Label: 26 px
    Title: 9 px
    Footer: 25 px
    Body text: 16 px (a) Label (b) Body text (c) Title (d) Footer
13. 13.♿ What does a screen reader do? (a) reads the screen aloud (b) makes text tiny (c) plays music (d) takes photos
14. 14.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
    Title: 15 px
    Label: 24 px
    Menu: 10 px
    Hint: 19 px
15. 15.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Caption: 26 px
    Title: 26 px
    Menu: 17 px
    Hint: 14 px
    Label: 27 px (a) Title (b) Caption (c) Menu (d) Hint
16. 16.♿ A screen has 7 icon buttons. Only 2 of them have a text label for screen readers. How many still need a label?
17. 17.♿ Does this help everyone, or make the app harder to use: big touch targets? (a) makes it harder (b) helps everyone
18. 18.♿ A screen has 7 icon buttons. Only 6 of them have a text label for screen readers. How many still need a label?
19. 19.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Hint: 21 px
    Body text: 20 px
    Caption: 20 px
    Title: 10 px
    Footer: 27 px (a) Hint (b) Body text (c) Caption (d) Title
20. 20.True or false: “fast-flashing lights” helps everyone use the app. (a) True (b) False
21. 21.♿ Does this help everyone, or make the app harder to use: tiny tap areas? (a) makes it harder (b) helps everyone
22. 22.True or false: “strong colour contrast” makes the app harder to use. (a) False (b) True
23. 23.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Caption: 25 px
    Title: 21 px
    Label: 13 px (a) Label (b) Caption (c) Title
24. 24.Which of these makes the app harder to use? (a) captions on videos (b) sudden loud sounds (c) strong colour contrast (d) text that can grow
25. 25.🔍 Which is the odd one out? (a) text that can grow (b) fast-flashing lights (c) strong colour contrast (d) labels on every icon
26. 26.♿ Does this help everyone, or make the app harder to use: text that can grow? (a) makes it harder (b) helps everyone
27. 27.Which of these helps everyone use the app? (a) captions on videos (b) icons with no labels (c) tiny tap areas (d) colour as the only clue
28. 28.🔍 Which is the odd one out? (a) strong colour contrast (b) colour as the only clue (c) labels on every icon (d) text that can grow
29. 29.♿ A screen has 5 icon buttons. Only 2 of them have a text label for screen readers. How many still need a label?
30. 30.🔍 Which is the odd one out? (a) icons with no labels (b) fast-flashing lights (c) text that can grow (d) tiny tap areas
31. 31.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Label: 14 px
    Menu: 16 px
    Hint: 22 px
    Footer: 27 px
    Title: 17 px (a) Menu (b) Footer (c) Label (d) Hint
32. 32.♿ Does this help everyone, or make the app harder to use: captions on videos? (a) makes it harder (b) helps everyone
33. 33.🔍 Which is the odd one out? (a) sudden loud sounds (b) fast-flashing lights (c) colour as the only clue (d) strong colour contrast
34. 34.🔍 Which is the odd one out? (a) colour as the only clue (b) tiny tap areas (c) fast-flashing lights (d) big touch targets
35. 35.♿ A screen has 8 icon buttons. Only 5 of them have a text label for screen readers. How many still need a label?
36. 36.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
    Label: 14 px
    Body text: 21 px
    Title: 12 px
    Footer: 23 px
37. 37.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Footer: 26 px
    Menu: 20 px
    Body text: 14 px
    Caption: 17 px (a) Body text (b) Footer (c) Caption (d) Menu
38. 38.♿ A screen has 6 icon buttons. Only 5 of them have a text label for screen readers. How many still need a label?
39. 39.♿ Does this help everyone, or make the app harder to use: strong colour contrast? (a) makes it harder (b) helps everyone
40. 40.♿ Why add captions to videos? (a) so anyone can follow (b) to slow them down (c) to hide the sound (d) to add colour

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