App Dev Worksheet: Accessibility

App development lesson 13: Accessibility · Set 570 · 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. How many texts on this screen are too small?
   Caption: 18 px
   Title: 19 px
   Body text: 18 px
2. 2.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
   Label: 20 px
   Caption: 23 px
   Menu: 21 px
   Hint: 9 px
   Footer: 22 px (a) Menu (b) Caption (c) Label (d) Hint
3. 3.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
   Footer: 17 px
   Title: 13 px
   Hint: 26 px
   Menu: 21 px (a) Footer (b) Menu (c) Title (d) Hint
4. 4.♿ Why add captions to videos? (a) to hide the sound (b) to add colour (c) so anyone can follow (d) to slow them down
5. 5.🔍 Which is the odd one out? (a) tiny tap areas (b) fast-flashing lights (c) captions on videos (d) sudden loud sounds
6. 6.♿ What does a screen reader do? (a) makes text tiny (b) reads the screen aloud (c) plays music (d) takes photos
7. 7.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
   Title: 12 px
   Body text: 12 px
   Menu: 19 px
8. 8.Which of these helps everyone use the app? (a) icons with no labels (b) labels on every icon (c) colour as the only clue (d) tiny tap areas
9. 9.🔍 Which is the odd one out? (a) labels on every icon (b) big touch targets (c) strong colour contrast (d) tiny tap areas
10. 10.♿ Does this help everyone, or make the app harder to use: fast-flashing lights? (a) makes it harder (b) helps everyone
11. 11.🔍 Which is the odd one out? (a) fast-flashing lights (b) colour as the only clue (c) text that can grow (d) sudden loud sounds
12. 12.♿ What should every icon-only button have for screen readers? (a) a long animation (b) a sound (c) a bright colour (d) a text label
13. 13.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
    Caption: 11 px
    Title: 11 px
    Body text: 22 px
14. 14.True or false: “colour as the only clue” makes the app harder to use. (a) False (b) True
15. 15.🔍 Which is the odd one out? (a) text that can grow (b) icons with no labels (c) big touch targets (d) labels on every icon
16. 16.♿ A screen has 12 icon buttons. Only 2 of them have a text label for screen readers. How many still need a label?
17. 17.♿ A screen has 11 icon buttons. Only 6 of them have a text label for screen readers. How many still need a label?
18. 18.♿ A screen has 5 icon buttons. Only 4 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. How many texts on this screen are too small?
    Footer: 21 px
    Title: 20 px
    Body text: 11 px
20. 20.♿ Does this help everyone, or make the app harder to use: captions on videos? (a) makes it harder (b) helps everyone
21. 21.♿ Does this help everyone, or make the app harder to use: icons with no labels? (a) makes it harder (b) helps everyone
22. 22.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Caption: 26 px
    Title: 24 px
    Menu: 9 px
    Hint: 16 px (a) Title (b) Caption (c) Hint (d) Menu
23. 23.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
    Footer: 11 px
    Hint: 13 px
    Title: 12 px
    Body text: 13 px
24. 24.♿ Does this help everyone, or make the app harder to use: strong colour contrast? (a) makes it harder (b) helps everyone
25. 25.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
    Label: 13 px
    Body text: 14 px
    Footer: 21 px
    Menu: 10 px
    Caption: 16 px
26. 26.True or false: “fast-flashing lights” makes the app harder to use. (a) False (b) True
27. 27.Which of these helps everyone use the app? (a) big touch targets (b) fast-flashing lights (c) tiny tap areas (d) sudden loud sounds
28. 28.True or false: “labels on every icon” makes the app harder to use. (a) False (b) True
29. 29.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
    Label: 17 px
    Caption: 19 px
    Menu: 16 px
30. 30.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
    Footer: 10 px
    Caption: 16 px
    Label: 13 px
    Title: 18 px
31. 31.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
    Footer: 18 px
    Caption: 17 px
    Menu: 12 px
    Hint: 14 px
32. 32.Which of these helps everyone use the app? (a) fast-flashing lights (b) text that can grow (c) colour as the only clue (d) icons with no labels
33. 33.♿ A screen has 12 icon buttons. Only 3 of them have a text label for screen readers. How many still need a label?
34. 34.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
    Body text: 14 px
    Footer: 15 px
    Label: 19 px
35. 35.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Title: 27 px
    Footer: 22 px
    Hint: 13 px
    Caption: 28 px
    Label: 20 px (a) Title (b) Hint (c) Caption (d) Footer
36. 36.🔍 Which is the odd one out? (a) colour as the only clue (b) labels on every icon (c) text that can grow (d) strong colour contrast
37. 37.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
    Footer: 10 px
    Body text: 17 px
    Label: 15 px
    Title: 24 px
38. 38.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Hint: 14 px
    Label: 17 px
    Title: 16 px
    Footer: 21 px
    Caption: 28 px (a) Title (b) Footer (c) Label (d) Hint
39. 39.♿ Does this help everyone, or make the app harder to use: text that can grow? (a) makes it harder (b) helps everyone
40. 40.♿ Does this help everyone, or make the app harder to use: labels on every icon? (a) helps everyone (b) makes it harder

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