App Dev Worksheet: Accessibility

App development lesson 13: Accessibility · Set 549 · 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.🔍 Which is the odd one out? (a) captions on videos (b) text that can grow (c) tiny tap areas (d) labels on every icon
2. 2.🔍 Which is the odd one out? (a) icons with no labels (b) big touch targets (c) labels on every icon (d) text that can grow
3. 3.♿ A screen has 6 icon buttons. Only 1 of them have a text label for screen readers. How many still need a label?
4. 4.🔍 Which is the odd one out? (a) labels on every icon (b) colour as the only clue (c) tiny tap areas (d) icons with no labels
5. 5.🔍 Which is the odd one out? (a) labels on every icon (b) sudden loud sounds (c) captions on videos (d) strong colour contrast
6. 6.♿ What should every icon-only button have for screen readers? (a) a text label (b) a bright colour (c) a sound (d) a long animation
7. 7.True or false: “icons with no labels” makes the app harder to use. (a) False (b) True
8. 8.True or false: “fast-flashing lights” makes the app harder to use. (a) False (b) True
9. 9.Which of these makes the app harder to use? (a) tiny tap areas (b) captions on videos (c) labels on every icon (d) text that can grow
10. 10.♿ Why add captions to videos? (a) so anyone can follow (b) to slow them down (c) to hide the sound (d) to add colour
11. 11.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
    Body text: 16 px
    Label: 19 px
    Title: 11 px
    Menu: 15 px
    Hint: 21 px
12. 12.♿ Does this help everyone, or make the app harder to use: tiny tap areas? (a) helps everyone (b) makes it harder
13. 13.♿ A screen has 10 icon buttons. Only 6 of them have a text label for screen readers. How many still need a label?
14. 14.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Footer: 20 px
    Hint: 21 px
    Body text: 23 px
    Label: 14 px (a) Body text (b) Hint (c) Label (d) Footer
15. 15.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Label: 13 px
    Menu: 27 px
    Title: 18 px (a) Title (b) Menu (c) Label
16. 16.♿ Does this help everyone, or make the app harder to use: captions on videos? (a) makes it harder (b) helps everyone
17. 17.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Menu: 27 px
    Title: 17 px
    Label: 25 px
    Hint: 10 px
    Footer: 16 px (a) Menu (b) Label (c) Title (d) Hint
18. 18.Which of these makes the app harder to use? (a) captions on videos (b) big touch targets (c) text that can grow (d) fast-flashing lights
19. 19.Which of these helps everyone use the app? (a) text that can grow (b) fast-flashing lights (c) colour as the only clue (d) tiny tap areas
20. 20.♿ Does this help everyone, or make the app harder to use: sudden loud sounds? (a) helps everyone (b) makes it harder
21. 21.♿ What does a screen reader do? (a) reads the screen aloud (b) takes photos (c) plays music (d) makes text tiny
22. 22.Which of these makes the app harder to use? (a) big touch targets (b) text that can grow (c) icons with no labels (d) strong colour contrast
23. 23.♿ Does this help everyone, or make the app harder to use: strong colour contrast? (a) makes it harder (b) helps everyone
24. 24.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Footer: 17 px
    Title: 13 px
    Menu: 24 px (a) Menu (b) Title (c) Footer
25. 25.🔍 Which is the odd one out? (a) captions on videos (b) strong colour contrast (c) big touch targets (d) fast-flashing lights
26. 26.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
    Menu: 16 px
    Label: 10 px
    Body text: 11 px
27. 27.Which of these helps everyone use the app? (a) tiny tap areas (b) strong colour contrast (c) fast-flashing lights (d) colour as the only clue
28. 28.True or false: “colour as the only clue” helps everyone use the app. (a) True (b) False
29. 29.♿ A screen has 6 icon buttons. Only 2 of them have a text label for screen readers. How many still need a label?
30. 30.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Hint: 18 px
    Menu: 23 px
    Title: 28 px
    Body text: 10 px
    Caption: 23 px (a) Title (b) Body text (c) Menu (d) Hint
31. 31.♿ Does this help everyone, or make the app harder to use: text that can grow? (a) makes it harder (b) helps everyone
32. 32.♿ A screen has 8 icon buttons. Only 2 of them have a text label for screen readers. How many still need a label?
33. 33.♿ A screen has 9 icon buttons. Only 6 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?
    Title: 18 px
    Caption: 16 px
    Menu: 18 px
    Body text: 16 px
    Label: 19 px
35. 35.Which of these makes the app harder to use? (a) colour as the only clue (b) labels on every icon (c) text that can grow (d) captions on videos
36. 36.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
    Hint: 13 px
    Label: 20 px
    Caption: 19 px
37. 37.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Body text: 19 px
    Footer: 19 px
    Title: 9 px (a) Footer (b) Body text (c) Title
38. 38.Which of these helps everyone use the app? (a) sudden loud sounds (b) big touch targets (c) colour as the only clue (d) fast-flashing lights
39. 39.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
    Body text: 24 px
    Title: 18 px
    Caption: 12 px
    Footer: 12 px
    Hint: 20 px
40. 40.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Body text: 10 px
    Caption: 25 px
    Title: 23 px (a) Title (b) Body text (c) Caption

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