App Dev Worksheet: Accessibility

App development lesson 13: Accessibility · Set 395 · 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. Which text on this screen is too small?
   Footer: 22 px
   Body text: 23 px
   Title: 14 px (a) Footer (b) Body text (c) Title
2. 2.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
   Title: 22 px
   Menu: 23 px
   Label: 11 px (a) Label (b) Title (c) Menu
3. 3.♿ Does this help everyone, or make the app harder to use: labels on every icon? (a) makes it harder (b) helps everyone
4. 4.Which of these helps everyone use the app? (a) fast-flashing lights (b) colour as the only clue (c) tiny tap areas (d) captions on videos
5. 5.♿ Does this help everyone, or make the app harder to use: text that can grow? (a) helps everyone (b) makes it harder
6. 6.♿ A screen has 9 icon buttons. Only 1 of them have a text label for screen readers. How many still need a label?
7. 7.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
   Footer: 16 px
   Label: 10 px
   Title: 28 px (a) Footer (b) Title (c) Label
8. 8.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
   Hint: 24 px
   Footer: 10 px
   Label: 14 px
   Title: 24 px
9. 9.♿ 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
10. 10.♿ A screen has 9 icon buttons. Only 6 of them have a text label for screen readers. How many still need a label?
11. 11.♿ A screen has 5 icon buttons. Only 1 of them have a text label for screen readers. How many still need a label?
12. 12.True or false: “icons with no labels” makes the app harder to use. (a) False (b) True
13. 13.♿ What does a screen reader do? (a) reads the screen aloud (b) makes text tiny (c) plays music (d) takes photos
14. 14.True or false: “strong colour contrast” helps everyone use the app. (a) False (b) True
15. 15.♿ Why add captions to videos? (a) to slow them down (b) to hide the sound (c) to add colour (d) so anyone can follow
16. 16.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Footer: 13 px
    Title: 18 px
    Menu: 16 px
    Caption: 28 px
    Body text: 19 px (a) Menu (b) Title (c) Footer (d) Caption
17. 17.🔍 Which is the odd one out? (a) labels on every icon (b) big touch targets (c) strong colour contrast (d) fast-flashing lights
18. 18.True or false: “labels on every icon” makes the app harder to use. (a) False (b) True
19. 19.Which of these helps everyone use the app? (a) colour as the only clue (b) strong colour contrast (c) sudden loud sounds (d) icons with no labels
20. 20.🔍 Which is the odd one out? (a) fast-flashing lights (b) icons with no labels (c) sudden loud sounds (d) captions on videos
21. 21.Which of these makes the app harder to use? (a) colour as the only clue (b) text that can grow (c) captions on videos (d) strong colour contrast
22. 22.♿ A screen has 11 icon buttons. Only 2 of them have a text label for screen readers. How many still need a label?
23. 23.♿ Showing right or wrong only in red and green is a problem for ___. (a) fast typists (b) the battery (c) colour-blind users (d) the server
24. 24.Which of these helps everyone use the app? (a) big touch targets (b) tiny tap areas (c) fast-flashing lights (d) sudden loud sounds
25. 25.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
    Body text: 23 px
    Hint: 18 px
    Title: 14 px
    Label: 18 px
    Footer: 13 px
26. 26.True or false: “text that can grow” makes the app harder to use. (a) True (b) False
27. 27.True or false: “tiny tap areas” makes the app harder to use. (a) True (b) False
28. 28.♿ A screen has 8 icon buttons. Only 6 of them have a text label for screen readers. How many still need a label?
29. 29.True or false: “captions on videos” makes the app harder to use. (a) True (b) False
30. 30.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
    Body text: 17 px
    Menu: 23 px
    Footer: 14 px
    Label: 18 px
31. 31.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Menu: 11 px
    Body text: 21 px
    Label: 26 px (a) Body text (b) Label (c) Menu
32. 32.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
    Hint: 13 px
    Body text: 23 px
    Label: 22 px
    Caption: 15 px
33. 33.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Caption: 17 px
    Footer: 20 px
    Body text: 13 px
    Menu: 21 px (a) Body text (b) Caption (c) Menu (d) Footer
34. 34.True or false: “labels on every icon” helps everyone use the app. (a) False (b) True
35. 35.Which of these makes the app harder to use? (a) big touch targets (b) icons with no labels (c) text that can grow (d) strong colour contrast
36. 36.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Body text: 12 px
    Label: 22 px
    Title: 16 px (a) Label (b) Body text (c) Title
37. 37.♿ Does this help everyone, or make the app harder to use: sudden loud sounds? (a) helps everyone (b) makes it harder
38. 38.🔍 Which is the odd one out? (a) labels on every icon (b) text that can grow (c) big touch targets (d) icons with no labels
39. 39.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
    Caption: 22 px
    Title: 14 px
    Hint: 13 px
40. 40.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
    Menu: 23 px
    Label: 24 px
    Title: 17 px

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