App Dev Worksheet: Accessibility

App development lesson 13: Accessibility · Set 568 · 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.♿ Does this help everyone, or make the app harder to use: text that can grow? (a) helps everyone (b) makes it harder
2. 2.🔍 Which is the odd one out? (a) text that can grow (b) colour as the only clue (c) big touch targets (d) captions on videos
3. 3.True or false: “big touch targets” makes the app harder to use. (a) True (b) False
4. 4.♿ Does this help everyone, or make the app harder to use: colour as the only clue? (a) makes it harder (b) helps everyone
5. 5.Which of these makes the app harder to use? (a) tiny tap areas (b) captions on videos (c) text that can grow (d) big touch targets
6. 6.Which of these makes the app harder to use? (a) big touch targets (b) labels on every icon (c) sudden loud sounds (d) captions on videos
7. 7.Which of these helps everyone use the app? (a) colour as the only clue (b) icons with no labels (c) fast-flashing lights (d) labels on every icon
8. 8.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
   Menu: 17 px
   Hint: 26 px
   Body text: 27 px
   Caption: 24 px
   Footer: 9 px (a) Body text (b) Menu (c) Footer (d) Hint
9. 9.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
   Hint: 14 px
   Menu: 20 px
   Footer: 20 px
10. 10.True or false: “strong colour contrast” makes the app harder to use. (a) True (b) False
11. 11.♿ A screen has 6 icon buttons. Only 4 of them have a text label for screen readers. How many still need a label?
12. 12.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Caption: 28 px
    Label: 18 px
    Title: 19 px
    Hint: 11 px (a) Label (b) Caption (c) Hint (d) Title
13. 13.True or false: “labels on every icon” makes the app harder to use. (a) True (b) False
14. 14.True or false: “text that can grow” makes the app harder to use. (a) False (b) True
15. 15.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
    Body text: 18 px
    Hint: 24 px
    Label: 18 px
    Caption: 17 px
    Menu: 23 px
16. 16.♿ What should every icon-only button have for screen readers? (a) a bright colour (b) a sound (c) a text label (d) a long animation
17. 17.Which of these makes the app harder to use? (a) labels on every icon (b) strong colour contrast (c) text that can grow (d) icons with no labels
18. 18.🔍 Which is the odd one out? (a) big touch targets (b) sudden loud sounds (c) labels on every icon (d) strong colour contrast
19. 19.🔍 Which is the odd one out? (a) text that can grow (b) icons with no labels (c) captions on videos (d) big touch targets
20. 20.True or false: “strong colour contrast” helps everyone use the app. (a) False (b) True
21. 21.True or false: “icons with no labels” helps everyone use the app. (a) False (b) True
22. 22.♿ What does a screen reader do? (a) makes text tiny (b) plays music (c) reads the screen aloud (d) takes photos
23. 23.Which of these helps everyone use the app? (a) fast-flashing lights (b) icons with no labels (c) text that can grow (d) sudden loud sounds
24. 24.🔍 Which is the odd one out? (a) icons with no labels (b) fast-flashing lights (c) sudden loud sounds (d) text that can grow
25. 25.🔍 Which is the odd one out? (a) fast-flashing lights (b) colour as the only clue (c) strong colour contrast (d) tiny tap areas
26. 26.♿ A screen has 8 icon buttons. Only 2 of them have a text label for screen readers. How many still need a label?
27. 27.🔍 Which is the odd one out? (a) sudden loud sounds (b) labels on every icon (c) icons with no labels (d) fast-flashing lights
28. 28.♿ A screen has 5 icon buttons. Only 4 of them have a text label for screen readers. How many still need a label?
29. 29.🔍 Which is the odd one out? (a) colour as the only clue (b) captions on videos (c) sudden loud sounds (d) fast-flashing lights
30. 30.♿ Accessibility means an app works for ___. (a) only the coder (b) only experts (c) nobody (d) everyone
31. 31.♿ Does this help everyone, or make the app harder to use: tiny tap areas? (a) makes it harder (b) helps everyone
32. 32.♿ Why add captions to videos? (a) to hide the sound (b) to slow them down (c) to add colour (d) so anyone can follow
33. 33.♿ Does this help everyone, or make the app harder to use: fast-flashing lights? (a) helps everyone (b) makes it harder
34. 34.🔍 Which is the odd one out? (a) big touch targets (b) icons with no labels (c) fast-flashing lights (d) tiny tap areas
35. 35.🔍 Which is the odd one out? (a) text that can grow (b) tiny tap areas (c) strong colour contrast (d) captions on videos
36. 36.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Body text: 14 px
    Hint: 28 px
    Footer: 26 px (a) Footer (b) Body text (c) Hint
37. 37.♿ A screen has 12 icon buttons. Only 4 of them have a text label for screen readers. How many still need a label?
38. 38.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
    Footer: 11 px
    Body text: 20 px
    Title: 15 px
    Label: 11 px
    Hint: 12 px
39. 39.♿ A screen has 10 icon buttons. Only 2 of them have a text label for screen readers. How many still need a label?
40. 40.Which of these makes the app harder to use? (a) labels on every icon (b) colour as the only clue (c) big touch targets (d) captions on videos

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