App Dev Worksheet: Accessibility

App development lesson 13: Accessibility · Set 432 · 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.🔍 Which is the odd one out? (a) sudden loud sounds (b) labels on every icon (c) tiny tap areas (d) fast-flashing lights
2. 2.♿ What does a screen reader do? (a) plays music (b) takes photos (c) reads the screen aloud (d) makes text tiny
3. 3.True or false: “text that can grow” helps everyone use the app. (a) False (b) True
4. 4.♿ Does this help everyone, or make the app harder to use: fast-flashing lights? (a) makes it harder (b) helps everyone
5. 5.♿ Does this help everyone, or make the app harder to use: icons with no labels? (a) makes it harder (b) helps everyone
6. 6.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
   Footer: 15 px
   Title: 13 px
   Hint: 11 px
7. 7.True or false: “labels on every icon” makes the app harder to use. (a) False (b) True
8. 8.🔍 Which is the odd one out? (a) captions on videos (b) strong colour contrast (c) labels on every icon (d) colour as the only clue
9. 9.♿ A screen has 9 icon buttons. Only 2 of them have a text label for screen readers. How many still need a label?
10. 10.True or false: “strong colour contrast” helps everyone use the app. (a) True (b) False
11. 11.♿ Why add captions to videos? (a) to add colour (b) to hide the sound (c) to slow them down (d) so anyone can follow
12. 12.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
    Body text: 22 px
    Title: 10 px
    Menu: 23 px
    Caption: 24 px
13. 13.Which of these makes the app harder to use? (a) labels on every icon (b) tiny tap areas (c) big touch targets (d) captions on videos
14. 14.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
    Caption: 13 px
    Title: 13 px
    Label: 10 px
    Hint: 13 px
15. 15.♿ Does this help everyone, or make the app harder to use: tiny tap areas? (a) helps everyone (b) makes it harder
16. 16.♿ Does this help everyone, or make the app harder to use: big touch targets? (a) makes it harder (b) helps everyone
17. 17.♿ 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
18. 18.♿ A screen has 6 icon buttons. Only 4 of them have a text label for screen readers. How many still need a label?
19. 19.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
    Hint: 14 px
    Body text: 14 px
    Caption: 13 px
    Footer: 12 px
20. 20.Which of these helps everyone use the app? (a) tiny tap areas (b) colour as the only clue (c) icons with no labels (d) big touch targets
21. 21.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Footer: 18 px
    Caption: 24 px
    Body text: 9 px (a) Body text (b) Footer (c) Caption
22. 22.Which of these helps everyone use the app? (a) icons with no labels (b) colour as the only clue (c) tiny tap areas (d) labels on every icon
23. 23.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Hint: 20 px
    Body text: 16 px
    Menu: 20 px
    Title: 11 px (a) Title (b) Hint (c) Menu (d) Body text
24. 24.🔍 Which is the odd one out? (a) big touch targets (b) icons with no labels (c) captions on videos (d) text that can grow
25. 25.🔍 Which is the odd one out? (a) labels on every icon (b) fast-flashing lights (c) big touch targets (d) text that can grow
26. 26.True or false: “sudden loud sounds” helps everyone use the app. (a) True (b) False
27. 27.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Caption: 14 px
    Label: 18 px
    Menu: 23 px (a) Label (b) Caption (c) Menu
28. 28.True or false: “big touch targets” helps everyone use the app. (a) False (b) True
29. 29.♿ A screen has 12 icon buttons. Only 1 of them have a text label for screen readers. How many still need a label?
30. 30.♿ A screen has 8 icon buttons. Only 7 of them have a text label for screen readers. How many still need a label?
31. 31.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
    Footer: 22 px
    Body text: 13 px
    Menu: 14 px
32. 32.True or false: “big touch targets” makes the app harder to use. (a) True (b) False
33. 33.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Title: 22 px
    Label: 17 px
    Footer: 23 px
    Body text: 11 px (a) Body text (b) Footer (c) Title (d) Label
34. 34.♿ Does this help everyone, or make the app harder to use: strong colour contrast? (a) makes it harder (b) helps everyone
35. 35.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
    Hint: 10 px
    Title: 24 px
    Body text: 11 px
    Footer: 16 px
    Label: 15 px
36. 36.True or false: “captions on videos” makes the app harder to use. (a) False (b) True
37. 37.♿ A screen has 9 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?
    Label: 14 px
    Menu: 24 px
    Title: 14 px
    Caption: 19 px
    Hint: 12 px
39. 39.True or false: “icons with no labels” helps everyone use the app. (a) True (b) False
40. 40.True or false: “fast-flashing lights” helps everyone use the app. (a) True (b) False

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