App Dev Worksheet: Accessibility

App development lesson 13: Accessibility · Set 79 · 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: “big touch targets” makes the app harder to use. (a) False (b) True
2. 2.Which of these helps everyone use the app? (a) big touch targets (b) tiny tap areas (c) colour as the only clue (d) fast-flashing lights
3. 3.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
   Body text: 24 px
   Menu: 11 px
   Label: 17 px (a) Label (b) Body text (c) Menu
4. 4.♿ What does a screen reader do? (a) reads the screen aloud (b) takes photos (c) plays music (d) makes text tiny
5. 5.♿ Does this help everyone, or make the app harder to use: labels on every icon? (a) makes it harder (b) helps everyone
6. 6.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
   Hint: 17 px
   Menu: 27 px
   Label: 20 px
   Title: 9 px (a) Hint (b) Menu (c) Label (d) Title
7. 7.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
   Label: 19 px
   Body text: 14 px
   Title: 13 px
8. 8.🔍 Which is the odd one out? (a) text that can grow (b) tiny tap areas (c) strong colour contrast (d) labels on every icon
9. 9.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
   Body text: 14 px
   Menu: 11 px
   Title: 19 px
10. 10.♿ Does this help everyone, or make the app harder to use: strong colour contrast? (a) helps everyone (b) makes it harder
11. 11.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Caption: 25 px
    Label: 9 px
    Menu: 22 px
    Hint: 17 px (a) Menu (b) Hint (c) Label (d) Caption
12. 12.True or false: “captions on videos” makes the app harder to use. (a) True (b) False
13. 13.Which of these helps everyone use the app? (a) captions on videos (b) sudden loud sounds (c) colour as the only clue (d) tiny tap areas
14. 14.♿ What should every icon-only button have for screen readers? (a) a bright colour (b) a sound (c) a long animation (d) a text label
15. 15.🔍 Which is the odd one out? (a) fast-flashing lights (b) big touch targets (c) strong colour contrast (d) captions on videos
16. 16.True or false: “captions on videos” helps everyone use the app. (a) False (b) True
17. 17.♿ Why add captions to videos? (a) to slow them down (b) to hide the sound (c) to add colour (d) so anyone can follow
18. 18.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Menu: 14 px
    Hint: 16 px
    Footer: 18 px
    Label: 23 px (a) Menu (b) Footer (c) Label (d) Hint
19. 19.♿ Does this help everyone, or make the app harder to use: big touch targets? (a) makes it harder (b) helps everyone
20. 20.♿ A screen has 10 icon buttons. Only 9 of them have a text label for screen readers. How many still need a label?
21. 21.🔍 Which is the odd one out? (a) labels on every icon (b) text that can grow (c) big touch targets (d) colour as the only clue
22. 22.🔍 Which is the odd one out? (a) tiny tap areas (b) colour as the only clue (c) icons with no labels (d) labels on every icon
23. 23.♿ Accessibility means an app works for ___. (a) only experts (b) only the coder (c) everyone (d) nobody
24. 24.Which of these makes the app harder to use? (a) tiny tap areas (b) text that can grow (c) big touch targets (d) labels on every icon
25. 25.True or false: “text that can grow” makes the app harder to use. (a) False (b) True
26. 26.🔍 Which is the odd one out? (a) colour as the only clue (b) text that can grow (c) fast-flashing lights (d) icons with no labels
27. 27.True or false: “sudden loud sounds” helps everyone use the app. (a) True (b) False
28. 28.🔍 Which is the odd one out? (a) sudden loud sounds (b) big touch targets (c) tiny tap areas (d) colour as the only clue
29. 29.True or false: “labels on every icon” makes the app harder to use. (a) False (b) True
30. 30.🔍 Which is the odd one out? (a) strong colour contrast (b) tiny tap areas (c) fast-flashing lights (d) colour as the only clue
31. 31.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Title: 12 px
    Label: 16 px
    Body text: 27 px
    Hint: 17 px
    Footer: 17 px (a) Body text (b) Title (c) Hint (d) Label
32. 32.♿ Does this help everyone, or make the app harder to use: text that can grow? (a) helps everyone (b) makes it harder
33. 33.♿ A screen has 9 icon buttons. Only 5 of them have a text label for screen readers. How many still need a label?
34. 34.True or false: “strong colour contrast” makes the app harder to use. (a) False (b) True
35. 35.True or false: “big touch targets” helps everyone use the app. (a) False (b) True
36. 36.♿ Does this help everyone, or make the app harder to use: icons with no labels? (a) makes it harder (b) helps everyone
37. 37.♿ Does this help everyone, or make the app harder to use: fast-flashing lights? (a) makes it harder (b) helps everyone
38. 38.True or false: “text that can grow” helps everyone use the app. (a) False (b) True
39. 39.🔍 Which is the odd one out? (a) icons with no labels (b) captions on videos (c) colour as the only clue (d) tiny tap areas
40. 40.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Hint: 27 px
    Title: 9 px
    Menu: 17 px (a) Title (b) Hint (c) Menu

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