App Dev Worksheet: Accessibility

App development lesson 13: Accessibility · Set 279 · 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 makes the app harder to use? (a) labels on every icon (b) text that can grow (c) colour as the only clue (d) captions on videos
2. 2.True or false: “icons with no labels” helps everyone use the app. (a) False (b) True
3. 3.♿ A screen has 12 icon buttons. Only 5 of them have a text label for screen readers. How many still need a label?
4. 4.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
   Body text: 17 px
   Label: 19 px
   Menu: 22 px
   Title: 19 px
5. 5.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
   Hint: 19 px
   Title: 16 px
   Caption: 21 px
   Label: 12 px
   Body text: 18 px
6. 6.♿ Does this help everyone, or make the app harder to use: captions on videos? (a) makes it harder (b) helps everyone
7. 7.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
   Hint: 11 px
   Title: 12 px
   Body text: 17 px
   Footer: 18 px
   Caption: 18 px
8. 8.♿ Does this help everyone, or make the app harder to use: fast-flashing lights? (a) helps everyone (b) makes it harder
9. 9.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
   Caption: 12 px
   Menu: 27 px
   Body text: 16 px
   Title: 24 px
   Hint: 19 px (a) Menu (b) Title (c) Body text (d) Caption
10. 10.Which of these makes the app harder to use? (a) strong colour contrast (b) text that can grow (c) fast-flashing lights (d) captions on videos
11. 11.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
    Hint: 20 px
    Footer: 17 px
    Title: 19 px
12. 12.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
    Hint: 11 px
    Body text: 13 px
    Footer: 11 px
    Menu: 23 px
    Caption: 11 px
13. 13.♿ A screen has 11 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?
    Body text: 13 px
    Title: 21 px
    Hint: 20 px
    Caption: 22 px (a) Body text (b) Caption (c) Hint (d) Title
15. 15.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
    Menu: 11 px
    Body text: 19 px
    Caption: 11 px
    Hint: 11 px
16. 16.🔍 Which is the odd one out? (a) fast-flashing lights (b) colour as the only clue (c) tiny tap areas (d) strong colour contrast
17. 17.♿ What should every icon-only button have for screen readers? (a) a text label (b) a sound (c) a bright colour (d) a long animation
18. 18.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
    Label: 17 px
    Body text: 13 px
    Hint: 23 px
    Caption: 13 px
    Footer: 23 px
19. 19.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Title: 28 px
    Hint: 9 px
    Menu: 23 px
    Footer: 19 px (a) Hint (b) Title (c) Footer (d) Menu
20. 20.♿ A screen has 12 icon buttons. Only 10 of them have a text label for screen readers. How many still need a label?
21. 21.♿ Does this help everyone, or make the app harder to use: text that can grow? (a) helps everyone (b) makes it harder
22. 22.🔍 Which is the odd one out? (a) big touch targets (b) captions on videos (c) labels on every icon (d) tiny tap areas
23. 23.True or false: “sudden loud sounds” helps everyone use the app. (a) False (b) True
24. 24.♿ Why add captions to videos? (a) to add colour (b) so anyone can follow (c) to hide the sound (d) to slow them down
25. 25.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Caption: 14 px
    Menu: 19 px
    Body text: 23 px (a) Body text (b) Menu (c) Caption
26. 26.🔍 Which is the odd one out? (a) colour as the only clue (b) labels on every icon (c) icons with no labels (d) fast-flashing lights
27. 27.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Footer: 20 px
    Label: 18 px
    Caption: 13 px (a) Caption (b) Label (c) Footer
28. 28.Which of these makes the app harder to use? (a) captions on videos (b) icons with no labels (c) labels on every icon (d) text that can grow
29. 29.True or false: “text that can grow” helps everyone use the app. (a) True (b) False
30. 30.Which of these makes the app harder to use? (a) strong colour contrast (b) labels on every icon (c) sudden loud sounds (d) big touch targets
31. 31.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
    Label: 24 px
    Title: 14 px
    Caption: 13 px
    Hint: 11 px
    Body text: 20 px
32. 32.🔍 Which is the odd one out? (a) icons with no labels (b) big touch targets (c) sudden loud sounds (d) fast-flashing lights
33. 33.True or false: “sudden loud sounds” makes the app harder to use. (a) True (b) False
34. 34.Which of these helps everyone use the app? (a) tiny tap areas (b) icons with no labels (c) fast-flashing lights (d) big touch targets
35. 35.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
    Footer: 22 px
    Body text: 18 px
    Hint: 16 px
36. 36.♿ A screen has 11 icon buttons. Only 2 of them have a text label for screen readers. How many still need a label?
37. 37.♿ Showing right or wrong only in red and green is a problem for ___. (a) the battery (b) the server (c) fast typists (d) colour-blind users
38. 38.♿ A screen has 12 icon buttons. Only 8 of them have a text label for screen readers. How many still need a label?
39. 39.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Body text: 17 px
    Footer: 26 px
    Hint: 24 px
    Caption: 28 px
    Menu: 10 px (a) Hint (b) Body text (c) Menu (d) Footer
40. 40.♿ A screen has 11 icon buttons. Only 9 of them have a text label for screen readers. How many still need a label?

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