App Dev Worksheet: Accessibility

App development lesson 13: Accessibility · Set 74 · 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.♿ A screen has 5 icon buttons. Only 3 of them have a text label for screen readers. How many still need a label?
2. 2.♿ Does this help everyone, or make the app harder to use: strong colour contrast? (a) helps everyone (b) makes it harder
3. 3.True or false: “captions on videos” makes the app harder to use. (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.🔍 Which is the odd one out? (a) strong colour contrast (b) captions on videos (c) text that can grow (d) colour as the only clue
6. 6.🔍 Which is the odd one out? (a) strong colour contrast (b) text that can grow (c) sudden loud sounds (d) big touch targets
7. 7.🔍 Which is the odd one out? (a) icons with no labels (b) sudden loud sounds (c) text that can grow (d) tiny tap areas
8. 8.♿ A screen has 7 icon buttons. Only 5 of them have a text label for screen readers. How many still need a label?
9. 9.♿ A screen has 10 icon buttons. Only 1 of them have a text label for screen readers. How many still need a label?
10. 10.Which of these helps everyone use the app? (a) icons with no labels (b) captions on videos (c) tiny tap areas (d) colour as the only clue
11. 11.♿ Does this help everyone, or make the app harder to use: labels on every icon? (a) helps everyone (b) makes it harder
12. 12.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Body text: 11 px
    Footer: 18 px
    Label: 28 px (a) Label (b) Footer (c) Body text
13. 13.♿ A screen has 11 icon buttons. Only 9 of them have a text label for screen readers. How many still need a label?
14. 14.♿ Does this help everyone, or make the app harder to use: tiny tap areas? (a) makes it harder (b) helps everyone
15. 15.♿ A screen has 11 icon buttons. Only 1 of them have a text label for screen readers. How many still need a label?
16. 16.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
    Body text: 17 px
    Hint: 12 px
    Caption: 23 px
    Title: 20 px
    Menu: 20 px
17. 17.🔍 Which is the odd one out? (a) tiny tap areas (b) text that can grow (c) captions on videos (d) labels on every icon
18. 18.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Caption: 17 px
    Footer: 20 px
    Body text: 14 px
    Menu: 26 px
    Title: 16 px (a) Caption (b) Body text (c) Menu (d) Footer
19. 19.♿ A screen has 11 icon buttons. Only 7 of them have a text label for screen readers. How many still need a label?
20. 20.♿ Why add captions to videos? (a) so anyone can follow (b) to add colour (c) to slow them down (d) to hide the sound
21. 21.🔍 Which is the odd one out? (a) big touch targets (b) text that can grow (c) icons with no labels (d) captions on videos
22. 22.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
    Hint: 11 px
    Footer: 12 px
    Body text: 11 px
23. 23.True or false: “big touch targets” helps everyone use the app. (a) False (b) True
24. 24.Which of these helps everyone use the app? (a) text that can grow (b) fast-flashing lights (c) colour as the only clue (d) icons with no labels
25. 25.True or false: “sudden loud sounds” makes the app harder to use. (a) True (b) False
26. 26.Which of these makes the app harder to use? (a) captions on videos (b) labels on every icon (c) tiny tap areas (d) big touch targets
27. 27.🔍 Which is the odd one out? (a) text that can grow (b) captions on videos (c) fast-flashing lights (d) strong colour contrast
28. 28.Which of these helps everyone use the app? (a) fast-flashing lights (b) colour as the only clue (c) tiny tap areas (d) labels on every icon
29. 29.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
    Body text: 11 px
    Footer: 19 px
    Menu: 18 px
    Label: 10 px
    Title: 13 px
30. 30.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
    Menu: 16 px
    Label: 13 px
    Footer: 10 px
    Hint: 14 px
    Body text: 23 px
31. 31.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Title: 10 px
    Menu: 24 px
    Footer: 20 px (a) Title (b) Menu (c) Footer
32. 32.Which of these helps everyone use the app? (a) fast-flashing lights (b) colour as the only clue (c) tiny tap areas (d) big touch targets
33. 33.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Menu: 20 px
    Label: 11 px
    Hint: 27 px
    Body text: 26 px
    Title: 22 px (a) Menu (b) Body text (c) Label (d) Hint
34. 34.♿ Does this help everyone, or make the app harder to use: fast-flashing lights? (a) helps everyone (b) makes it harder
35. 35.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
    Title: 18 px
    Footer: 22 px
    Label: 22 px
    Hint: 22 px
36. 36.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Caption: 10 px
    Body text: 22 px
    Title: 20 px
    Footer: 25 px (a) Title (b) Body text (c) Caption (d) Footer
37. 37.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
    Footer: 23 px
    Title: 20 px
    Menu: 24 px
    Caption: 21 px
    Body text: 15 px
38. 38.♿ What does a screen reader do? (a) takes photos (b) reads the screen aloud (c) plays music (d) makes text tiny
39. 39.Which of these makes the app harder to use? (a) big touch targets (b) strong colour contrast (c) captions on videos (d) icons with no labels
40. 40.Which of these makes the app harder to use? (a) sudden loud sounds (b) text that can grow (c) labels on every icon (d) big touch targets

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