App Dev Worksheet: Accessibility

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

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