App Dev Worksheet: Accessibility

App development lesson 13: Accessibility · Set 642 · 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?
   Title: 20 px
   Body text: 13 px
   Menu: 27 px (a) Menu (b) Body text (c) Title
2. 2.♿ Does this help everyone, or make the app harder to use: labels on every icon? (a) helps everyone (b) makes it harder
3. 3.True or false: “colour as the only clue” makes the app harder to use. (a) True (b) False
4. 4.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
   Body text: 25 px
   Label: 18 px
   Hint: 9 px
   Footer: 24 px (a) Body text (b) Hint (c) Footer (d) Label
5. 5.♿ 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
6. 6.🔍 Which is the odd one out? (a) fast-flashing lights (b) icons with no labels (c) colour as the only clue (d) big touch targets
7. 7.True or false: “sudden loud sounds” makes the app harder to use. (a) True (b) False
8. 8.♿ Does this help everyone, or make the app harder to use: captions on videos? (a) makes it harder (b) helps everyone
9. 9.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
   Menu: 17 px
   Label: 22 px
   Footer: 15 px
   Caption: 18 px
   Body text: 16 px
10. 10.🔍 Which is the odd one out? (a) colour as the only clue (b) sudden loud sounds (c) strong colour contrast (d) icons with no labels
11. 11.Which of these makes the app harder to use? (a) icons with no labels (b) strong colour contrast (c) labels on every icon (d) captions on videos
12. 12.♿ A screen has 7 icon buttons. Only 2 of them have a text label for screen readers. How many still need a label?
13. 13.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
    Caption: 15 px
    Label: 23 px
    Footer: 12 px
    Title: 23 px
14. 14.🔍 Which is the odd one out? (a) text that can grow (b) fast-flashing lights (c) tiny tap areas (d) colour as the only clue
15. 15.True or false: “labels on every icon” helps everyone use the app. (a) False (b) True
16. 16.♿ Does this help everyone, or make the app harder to use: icons with no labels? (a) makes it harder (b) helps everyone
17. 17.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
    Caption: 18 px
    Body text: 14 px
    Title: 23 px
    Hint: 15 px
18. 18.♿ Accessibility means an app works for ___. (a) only the coder (b) everyone (c) nobody (d) only experts
19. 19.♿ What does a screen reader do? (a) reads the screen aloud (b) takes photos (c) makes text tiny (d) plays music
20. 20.♿ Does this help everyone, or make the app harder to use: fast-flashing lights? (a) helps everyone (b) makes it harder
21. 21.Which of these helps everyone use the app? (a) labels on every icon (b) icons with no labels (c) fast-flashing lights (d) tiny tap areas
22. 22.True or false: “captions on videos” helps everyone use the app. (a) True (b) False
23. 23.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Caption: 14 px
    Label: 16 px
    Title: 16 px
    Hint: 19 px (a) Label (b) Hint (c) Title (d) Caption
24. 24.True or false: “text that can grow” makes the app harder to use. (a) True (b) False
25. 25.🔍 Which is the odd one out? (a) captions on videos (b) strong colour contrast (c) fast-flashing lights (d) labels on every icon
26. 26.♿ A screen has 9 icon buttons. Only 8 of them have a text label for screen readers. How many still need a label?
27. 27.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
    Label: 23 px
    Title: 10 px
    Footer: 21 px
    Hint: 21 px
28. 28.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Menu: 13 px
    Label: 25 px
    Hint: 21 px
    Body text: 19 px (a) Hint (b) Label (c) Menu (d) Body text
29. 29.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Caption: 9 px
    Footer: 22 px
    Title: 22 px (a) Caption (b) Footer (c) Title
30. 30.♿ A screen has 5 icon buttons. Only 2 of them have a text label for screen readers. How many still need a label?
31. 31.Which of these makes the app harder to use? (a) text that can grow (b) big touch targets (c) fast-flashing lights (d) strong colour contrast
32. 32.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Body text: 16 px
    Title: 24 px
    Label: 14 px (a) Body text (b) Title (c) Label
33. 33.♿ Does this help everyone, or make the app harder to use: colour as the only clue? (a) makes it harder (b) helps everyone
34. 34.Which of these helps everyone use the app? (a) tiny tap areas (b) captions on videos (c) sudden loud sounds (d) fast-flashing lights
35. 35.🔍 Which is the odd one out? (a) icons with no labels (b) strong colour contrast (c) labels on every icon (d) text that can grow
36. 36.♿ Why add captions to videos? (a) to add colour (b) to hide the sound (c) to slow them down (d) so anyone can follow
37. 37.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Caption: 17 px
    Label: 14 px
    Body text: 16 px (a) Caption (b) Label (c) Body text
38. 38.True or false: “text that can grow” helps everyone use the app. (a) True (b) False
39. 39.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
    Hint: 12 px
    Caption: 15 px
    Footer: 13 px
40. 40.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Footer: 23 px
    Menu: 17 px
    Hint: 9 px (a) Hint (b) Footer (c) Menu

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