App Dev Worksheet: Accessibility

App development lesson 13: Accessibility · Set 16 · 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: 16 px
   Menu: 26 px
   Body text: 24 px
   Hint: 27 px
   Footer: 14 px (a) Menu (b) Footer (c) Body text (d) Title
2. 2.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
   Body text: 14 px
   Menu: 28 px
   Caption: 27 px (a) Menu (b) Body text (c) Caption
3. 3.🔍 Which is the odd one out? (a) icons with no labels (b) colour as the only clue (c) fast-flashing lights (d) strong colour contrast
4. 4.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
   Menu: 16 px
   Label: 12 px
   Caption: 10 px
5. 5.♿ Why add captions to videos? (a) so anyone can follow (b) to add colour (c) to slow them down (d) to hide the sound
6. 6.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
   Hint: 16 px
   Body text: 13 px
   Title: 19 px
   Footer: 16 px (a) Hint (b) Title (c) Body text (d) Footer
7. 7.Which of these helps everyone use the app? (a) sudden loud sounds (b) colour as the only clue (c) icons with no labels (d) labels on every icon
8. 8.♿ Does this help everyone, or make the app harder to use: big touch targets? (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: 22 px
   Body text: 12 px
   Caption: 24 px
10. 10.♿ Does this help everyone, or make the app harder to use: fast-flashing lights? (a) makes it harder (b) helps everyone
11. 11.🔍 Which is the odd one out? (a) tiny tap areas (b) sudden loud sounds (c) labels on every icon (d) colour as the only clue
12. 12.♿ A screen has 7 icon buttons. Only 3 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. Which text on this screen is too small?
    Caption: 27 px
    Body text: 11 px
    Menu: 22 px (a) Caption (b) Body text (c) Menu
14. 14.True or false: “icons with no labels” makes the app harder to use. (a) True (b) False
15. 15.♿ What does a screen reader do? (a) makes text tiny (b) reads the screen aloud (c) takes photos (d) plays music
16. 16.🔍 Which is the odd one out? (a) big touch targets (b) colour as the only clue (c) sudden loud sounds (d) tiny tap areas
17. 17.🔍 Which is the odd one out? (a) strong colour contrast (b) big touch targets (c) icons with no labels (d) captions on videos
18. 18.True or false: “labels on every icon” helps everyone use the app. (a) True (b) False
19. 19.♿ Accessibility means an app works for ___. (a) nobody (b) everyone (c) only the coder (d) only experts
20. 20.♿ What should every icon-only button have for screen readers? (a) a long animation (b) a text label (c) a sound (d) a bright colour
21. 21.♿ A screen has 5 icon buttons. Only 3 of them have a text label for screen readers. How many still need a label?
22. 22.Which of these makes the app harder to use? (a) strong colour contrast (b) sudden loud sounds (c) labels on every icon (d) big touch targets
23. 23.Which of these helps everyone use the app? (a) strong colour contrast (b) icons with no labels (c) fast-flashing lights (d) sudden loud sounds
24. 24.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Caption: 19 px
    Body text: 25 px
    Title: 14 px (a) Title (b) Body text (c) Caption
25. 25.True or false: “strong colour contrast” helps everyone use the app. (a) False (b) True
26. 26.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
    Title: 10 px
    Caption: 19 px
    Body text: 14 px
27. 27.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Label: 27 px
    Menu: 19 px
    Hint: 14 px (a) Menu (b) Label (c) Hint
28. 28.♿ A screen has 11 icon buttons. Only 1 of them have a text label for screen readers. How many still need a label?
29. 29.True or false: “tiny tap areas” makes the app harder to use. (a) True (b) False
30. 30.♿ Does this help everyone, or make the app harder to use: colour as the only clue? (a) helps everyone (b) makes it harder
31. 31.🔍 Which is the odd one out? (a) text that can grow (b) big touch targets (c) colour as the only clue (d) captions on videos
32. 32.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
    Body text: 22 px
    Menu: 16 px
    Hint: 23 px
33. 33.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Title: 25 px
    Hint: 18 px
    Footer: 23 px
    Label: 10 px (a) Footer (b) Title (c) Hint (d) Label
34. 34.Which of these makes the app harder to use? (a) icons with no labels (b) text that can grow (c) big touch targets (d) strong colour contrast
35. 35.♿ A screen has 6 icon buttons. Only 2 of them have a text label for screen readers. How many still need a label?
36. 36.♿ Showing right or wrong only in red and green is a problem for ___. (a) the server (b) the battery (c) colour-blind users (d) fast typists
37. 37.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
    Body text: 16 px
    Label: 21 px
    Title: 10 px
    Menu: 17 px
    Hint: 12 px
38. 38.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
    Caption: 10 px
    Footer: 11 px
    Label: 17 px
    Title: 12 px
39. 39.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
    Menu: 14 px
    Title: 16 px
    Label: 15 px
    Hint: 19 px
40. 40.Which of these makes the app harder to use? (a) labels on every icon (b) strong colour contrast (c) big touch targets (d) fast-flashing lights

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