App Dev Worksheet: Accessibility

App development lesson 13: Accessibility · Set 282 · 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.True or false: “captions on videos” makes the app harder to use. (a) False (b) True
2. 2.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
   Body text: 24 px
   Hint: 19 px
   Title: 9 px (a) Hint (b) Body text (c) Title
3. 3.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
   Footer: 10 px
   Menu: 19 px
   Body text: 20 px
4. 4.True or false: “icons with no labels” helps everyone use the app. (a) True (b) False
5. 5.♿ Showing right or wrong only in red and green is a problem for ___. (a) the battery (b) the server (c) colour-blind users (d) fast typists
6. 6.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
   Hint: 16 px
   Caption: 15 px
   Title: 12 px
   Menu: 24 px
7. 7.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
   Footer: 17 px
   Label: 11 px
   Body text: 26 px
   Title: 25 px
   Menu: 24 px (a) Footer (b) Body text (c) Title (d) Label
8. 8.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
   Body text: 17 px
   Label: 10 px
   Footer: 22 px
   Hint: 19 px
   Menu: 25 px (a) Hint (b) Label (c) Footer (d) Body text
9. 9.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
   Menu: 20 px
   Footer: 17 px
   Caption: 22 px
   Title: 14 px
10. 10.Which of these makes the app harder to use? (a) labels on every icon (b) sudden loud sounds (c) text that can grow (d) big touch targets
11. 11.🔍 Which is the odd one out? (a) strong colour contrast (b) captions on videos (c) tiny tap areas (d) text that can grow
12. 12.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
    Title: 12 px
    Footer: 17 px
    Body text: 13 px
13. 13.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Body text: 13 px
    Menu: 20 px
    Title: 16 px (a) Title (b) Body text (c) Menu
14. 14.🔍 Which is the odd one out? (a) strong colour contrast (b) captions on videos (c) labels on every icon (d) sudden loud sounds
15. 15.🔍 Which is the odd one out? (a) tiny tap areas (b) sudden loud sounds (c) fast-flashing lights (d) strong colour contrast
16. 16.True or false: “fast-flashing lights” makes the app harder to use. (a) False (b) True
17. 17.♿ Accessibility means an app works for ___. (a) everyone (b) nobody (c) only the coder (d) only experts
18. 18.Which of these helps everyone use the app? (a) labels on every icon (b) sudden loud sounds (c) icons with no labels (d) fast-flashing lights
19. 19.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
    Title: 13 px
    Hint: 23 px
    Label: 16 px
    Menu: 12 px
    Caption: 15 px
20. 20.Which of these helps everyone use the app? (a) tiny tap areas (b) icons with no labels (c) strong colour contrast (d) sudden loud sounds
21. 21.♿ Does this help everyone, or make the app harder to use: strong colour contrast? (a) makes it harder (b) helps everyone
22. 22.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
    Menu: 23 px
    Caption: 19 px
    Footer: 21 px
23. 23.🔍 Which is the odd one out? (a) labels on every icon (b) colour as the only clue (c) tiny tap areas (d) fast-flashing lights
24. 24.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
    Body text: 10 px
    Caption: 22 px
    Menu: 15 px
25. 25.♿ Does this help everyone, or make the app harder to use: tiny tap areas? (a) makes it harder (b) helps everyone
26. 26.♿ What does a screen reader do? (a) takes photos (b) reads the screen aloud (c) plays music (d) makes text tiny
27. 27.🔍 Which is the odd one out? (a) strong colour contrast (b) fast-flashing lights (c) text that can grow (d) captions on videos
28. 28.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Body text: 25 px
    Label: 14 px
    Title: 25 px (a) Body text (b) Title (c) Label
29. 29.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Menu: 25 px
    Footer: 18 px
    Body text: 10 px (a) Footer (b) Body text (c) Menu
30. 30.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Label: 21 px
    Caption: 23 px
    Menu: 10 px
    Title: 17 px (a) Title (b) Label (c) Caption (d) Menu
31. 31.True or false: “tiny tap areas” helps everyone use the app. (a) False (b) True
32. 32.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Label: 11 px
    Footer: 21 px
    Title: 19 px
    Hint: 20 px (a) Hint (b) Footer (c) Label (d) Title
33. 33.♿ A screen has 6 icon buttons. Only 4 of them have a text label for screen readers. How many still need a label?
34. 34.♿ A screen has 6 icon buttons. Only 2 of them have a text label for screen readers. How many still need a label?
35. 35.True or false: “tiny tap areas” makes the app harder to use. (a) False (b) True
36. 36.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
    Title: 11 px
    Body text: 16 px
    Caption: 10 px
    Hint: 23 px
37. 37.♿ A screen has 7 icon buttons. Only 4 of them have a text label for screen readers. How many still need a label?
38. 38.♿ What should every icon-only button have for screen readers? (a) a long animation (b) a bright colour (c) a text label (d) a sound
39. 39.♿ Why add captions to videos? (a) to add colour (b) so anyone can follow (c) to hide the sound (d) to slow them down
40. 40.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Footer: 12 px
    Title: 24 px
    Body text: 19 px (a) Body text (b) Footer (c) Title

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