App Dev Worksheet: Accessibility

App development lesson 13: Accessibility · Set 795 · 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: “text that can grow” helps everyone use the app. (a) True (b) False
2. 2.♿ Does this help everyone, or make the app harder to use: big touch targets? (a) makes it harder (b) helps everyone
3. 3.True or false: “tiny tap areas” makes the app harder to use. (a) False (b) True
4. 4.♿ What does a screen reader do? (a) reads the screen aloud (b) makes text tiny (c) takes photos (d) plays music
5. 5.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
   Body text: 24 px
   Hint: 20 px
   Footer: 22 px
   Menu: 16 px
6. 6.♿ Showing right or wrong only in red and green is a problem for ___. (a) the battery (b) colour-blind users (c) the server (d) fast typists
7. 7.True or false: “text that can grow” makes the app harder to use. (a) True (b) False
8. 8.Which of these helps everyone use the app? (a) fast-flashing lights (b) icons with no labels (c) captions on videos (d) sudden loud sounds
9. 9.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
   Caption: 14 px
   Hint: 13 px
   Title: 19 px
10. 10.♿ Accessibility means an app works for ___. (a) everyone (b) only the coder (c) nobody (d) only experts
11. 11.True or false: “colour as the only clue” makes the app harder to use. (a) True (b) False
12. 12.♿ What should every icon-only button have for screen readers? (a) a bright colour (b) a long animation (c) a sound (d) a text label
13. 13.True or false: “strong colour contrast” makes the app harder to use. (a) True (b) False
14. 14.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Body text: 25 px
    Hint: 18 px
    Title: 12 px (a) Hint (b) Body text (c) Title
15. 15.♿ Does this help everyone, or make the app harder to use: text that can grow? (a) helps everyone (b) makes it harder
16. 16.True or false: “icons with no labels” helps everyone use the app. (a) True (b) False
17. 17.True or false: “sudden loud sounds” helps everyone use the app. (a) False (b) True
18. 18.Which of these makes the app harder to use? (a) icons with no labels (b) big touch targets (c) text that can grow (d) strong colour contrast
19. 19.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Label: 16 px
    Body text: 12 px
    Title: 27 px
    Hint: 21 px (a) Hint (b) Label (c) Title (d) Body text
20. 20.🔍 Which is the odd one out? (a) labels on every icon (b) captions on videos (c) text that can grow (d) sudden loud sounds
21. 21.♿ A screen has 6 icon buttons. Only 1 of them have a text label for screen readers. How many still need a label?
22. 22.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Label: 18 px
    Title: 13 px
    Footer: 19 px
    Menu: 27 px (a) Menu (b) Label (c) Title (d) Footer
23. 23.🔍 Which is the odd one out? (a) sudden loud sounds (b) text that can grow (c) tiny tap areas (d) fast-flashing lights
24. 24.♿ Does this help everyone, or make the app harder to use: fast-flashing lights? (a) helps everyone (b) makes it harder
25. 25.♿ A screen has 10 icon buttons. Only 2 of them have a text label for screen readers. How many still need a label?
26. 26.Which of these helps everyone use the app? (a) fast-flashing lights (b) icons with no labels (c) sudden loud sounds (d) text that can grow
27. 27.🔍 Which is the odd one out? (a) fast-flashing lights (b) labels on every icon (c) colour as the only clue (d) tiny tap areas
28. 28.Which of these helps everyone use the app? (a) icons with no labels (b) tiny tap areas (c) sudden loud sounds (d) labels on every icon
29. 29.🔍 Which is the odd one out? (a) big touch targets (b) colour as the only clue (c) captions on videos (d) labels on every icon
30. 30.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Title: 18 px
    Label: 11 px
    Body text: 25 px
    Caption: 18 px (a) Label (b) Body text (c) Caption (d) Title
31. 31.Which of these helps everyone use the app? (a) colour as the only clue (b) tiny tap areas (c) big touch targets (d) sudden loud sounds
32. 32.♿ Does this help everyone, or make the app harder to use: icons with no labels? (a) helps everyone (b) makes it harder
33. 33.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Body text: 17 px
    Label: 9 px
    Menu: 16 px
    Hint: 17 px
    Caption: 21 px (a) Label (b) Body text (c) Menu (d) Hint
34. 34.True or false: “sudden loud sounds” makes the app harder to use. (a) True (b) False
35. 35.♿ Does this help everyone, or make the app harder to use: captions on videos? (a) makes it harder (b) helps everyone
36. 36.♿ A screen has 8 icon buttons. Only 4 of them have a text label for screen readers. How many still need a label?
37. 37.🔍 Which is the odd one out? (a) colour as the only clue (b) sudden loud sounds (c) strong colour contrast (d) tiny tap areas
38. 38.🔍 Which is the odd one out? (a) captions on videos (b) colour as the only clue (c) sudden loud sounds (d) tiny tap areas
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.True or false: “labels on every icon” helps everyone use the app. (a) False (b) True

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