App Dev Worksheet: Accessibility

App development lesson 13: Accessibility · Set 580 · 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 of these helps everyone use the app? (a) colour as the only clue (b) labels on every icon (c) icons with no labels (d) tiny tap areas
2. 2.🔍 Which is the odd one out? (a) labels on every icon (b) strong colour contrast (c) text that can grow (d) icons with no labels
3. 3.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
   Caption: 24 px
   Body text: 17 px
   Label: 16 px
   Menu: 12 px
   Title: 17 px (a) Label (b) Caption (c) Body text (d) Menu
4. 4.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
   Footer: 25 px
   Label: 23 px
   Hint: 27 px
   Title: 25 px
   Caption: 11 px (a) Label (b) Hint (c) Footer (d) Caption
5. 5.♿ A screen has 8 icon buttons. Only 3 of them have a text label for screen readers. How many still need a label?
6. 6.♿ A screen has 10 icon buttons. Only 1 of them have a text label for screen readers. How many still need a label?
7. 7.♿ A screen has 8 icon buttons. Only 4 of them have a text label for screen readers. How many still need a label?
8. 8.♿ A screen has 12 icon buttons. Only 3 of them have a text label for screen readers. How many still need a label?
9. 9.♿ Showing right or wrong only in red and green is a problem for ___. (a) fast typists (b) the battery (c) the server (d) colour-blind users
10. 10.🔍 Which is the odd one out? (a) fast-flashing lights (b) big touch targets (c) colour as the only clue (d) icons with no labels
11. 11.Which of these helps everyone use the app? (a) icons with no labels (b) tiny tap areas (c) big touch targets (d) colour as the only clue
12. 12.♿ Does this help everyone, or make the app harder to use: colour as the only clue? (a) helps everyone (b) makes it harder
13. 13.♿ A screen has 7 icon buttons. Only 2 of them have a text label for screen readers. How many still need a label?
14. 14.♿ What does a screen reader do? (a) takes photos (b) makes text tiny (c) plays music (d) reads the screen aloud
15. 15.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Body text: 16 px
    Menu: 21 px
    Title: 10 px
    Footer: 20 px (a) Body text (b) Footer (c) Title (d) Menu
16. 16.True or false: “labels on every icon” makes the app harder to use. (a) True (b) False
17. 17.♿ Why add captions to videos? (a) to slow them down (b) to hide the sound (c) so anyone can follow (d) to add colour
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.True or false: “fast-flashing lights” helps everyone use the app. (a) True (b) False
20. 20.True or false: “captions on videos” makes the app harder to use. (a) True (b) False
21. 21.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Caption: 21 px
    Footer: 26 px
    Menu: 13 px (a) Menu (b) Caption (c) Footer
22. 22.True or false: “colour as the only clue” helps everyone use the app. (a) False (b) True
23. 23.Which of these makes the app harder to use? (a) big touch targets (b) text that can grow (c) captions on videos (d) icons with no labels
24. 24.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Label: 17 px
    Title: 17 px
    Menu: 9 px
    Hint: 28 px
    Caption: 17 px (a) Hint (b) Title (c) Menu (d) Label
25. 25.Which of these makes the app harder to use? (a) colour as the only clue (b) strong colour contrast (c) big touch targets (d) captions on videos
26. 26.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Title: 9 px
    Hint: 17 px
    Footer: 27 px
    Menu: 23 px
    Body text: 28 px (a) Hint (b) Menu (c) Title (d) Footer
27. 27.True or false: “strong colour contrast” makes the app harder to use. (a) False (b) True
28. 28.♿ A screen has 6 icon buttons. Only 1 of them have a text label for screen readers. How many still need a label?
29. 29.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
    Title: 24 px
    Label: 20 px
    Menu: 22 px
    Footer: 16 px
    Body text: 18 px
30. 30.♿ Does this help everyone, or make the app harder to use: captions on videos? (a) makes it harder (b) helps everyone
31. 31.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Caption: 27 px
    Footer: 9 px
    Title: 17 px
    Body text: 17 px
    Menu: 25 px (a) Caption (b) Footer (c) Body text (d) Title
32. 32.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
    Title: 18 px
    Menu: 17 px
    Footer: 22 px
    Caption: 23 px
33. 33.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
    Footer: 20 px
    Label: 17 px
    Menu: 21 px
    Hint: 23 px
    Caption: 20 px
34. 34.🔍 Which is the odd one out? (a) fast-flashing lights (b) icons with no labels (c) text that can grow (d) sudden loud sounds
35. 35.♿ A screen has 9 icon buttons. Only 8 of them have a text label for screen readers. How many still need a label?
36. 36.🔍 Which is the odd one out? (a) fast-flashing lights (b) labels on every icon (c) big touch targets (d) captions on videos
37. 37.♿ A screen has 8 icon buttons. Only 1 of them have a text label for screen readers. How many still need a label?
38. 38.🔍 Which is the odd one out? (a) strong colour contrast (b) icons with no labels (c) tiny tap areas (d) sudden loud sounds
39. 39.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Hint: 16 px
    Label: 16 px
    Menu: 20 px
    Footer: 22 px
    Body text: 13 px (a) Hint (b) Label (c) Menu (d) Body text
40. 40.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Body text: 24 px
    Menu: 22 px
    Label: 10 px (a) Body text (b) Label (c) Menu

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