App Dev Worksheet: Accessibility

App development lesson 13: Accessibility · Set 813 · 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 12 icon buttons. Only 10 of them have a text label for screen readers. How many still need a label?
2. 2.♿ A screen has 7 icon buttons. Only 1 of them have a text label for screen readers. How many still need a label?
3. 3.♿ A screen has 7 icon buttons. Only 3 of them have a text label for screen readers. How many still need a label?
4. 4.♿ Does this help everyone, or make the app harder to use: colour as the only clue? (a) helps everyone (b) makes it harder
5. 5.♿ A screen has 11 icon buttons. Only 7 of them have a text label for screen readers. How many still need a label?
6. 6.True or false: “colour as the only clue” helps everyone use the app. (a) False (b) True
7. 7.True or false: “strong colour contrast” makes the app harder to use. (a) True (b) False
8. 8.♿ Does this help everyone, or make the app harder to use: captions on videos? (a) helps everyone (b) makes it harder
9. 9.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
   Caption: 10 px
   Body text: 13 px
   Title: 21 px
   Menu: 19 px
   Footer: 12 px
10. 10.♿ Accessibility means an app works for ___. (a) everyone (b) nobody (c) only the coder (d) only experts
11. 11.🔍 Which is the odd one out? (a) captions on videos (b) labels on every icon (c) big touch targets (d) fast-flashing lights
12. 12.🔍 Which is the odd one out? (a) strong colour contrast (b) text that can grow (c) labels on every icon (d) sudden loud sounds
13. 13.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
    Label: 11 px
    Title: 18 px
    Body text: 10 px
    Menu: 10 px
    Caption: 11 px
14. 14.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
    Menu: 11 px
    Label: 15 px
    Footer: 19 px
15. 15.True or false: “fast-flashing lights” helps everyone use the app. (a) False (b) True
16. 16.♿ A screen has 10 icon buttons. Only 4 of them have a text label for screen readers. How many still need a label?
17. 17.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
    Title: 12 px
    Label: 13 px
    Footer: 24 px
18. 18.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
    Label: 13 px
    Hint: 20 px
    Caption: 22 px
    Body text: 21 px
    Title: 16 px
19. 19.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
    Body text: 17 px
    Footer: 12 px
    Label: 19 px
    Title: 12 px
    Hint: 10 px
20. 20.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Caption: 21 px
    Menu: 9 px
    Title: 28 px (a) Menu (b) Caption (c) Title
21. 21.True or false: “tiny tap areas” helps everyone use the app. (a) False (b) True
22. 22.♿ What does a screen reader do? (a) takes photos (b) reads the screen aloud (c) plays music (d) makes text tiny
23. 23.True or false: “fast-flashing lights” makes the app harder to use. (a) True (b) False
24. 24.♿ A screen has 5 icon buttons. Only 3 of them have a text label for screen readers. How many still need a label?
25. 25.♿ Does this help everyone, or make the app harder to use: fast-flashing lights? (a) helps everyone (b) makes it harder
26. 26.🔍 Which is the odd one out? (a) sudden loud sounds (b) text that can grow (c) fast-flashing lights (d) colour as the only clue
27. 27.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
    Label: 10 px
    Menu: 23 px
    Caption: 11 px
    Footer: 12 px
    Hint: 14 px
28. 28.True or false: “text that can grow” helps everyone use the app. (a) False (b) True
29. 29.True or false: “captions on videos” helps everyone use the app. (a) True (b) False
30. 30.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
    Footer: 21 px
    Caption: 23 px
    Body text: 14 px
    Label: 14 px
31. 31.♿ Does this help everyone, or make the app harder to use: sudden loud sounds? (a) makes it harder (b) helps everyone
32. 32.♿ Does this help everyone, or make the app harder to use: tiny tap areas? (a) makes it harder (b) helps everyone
33. 33.True or false: “captions on videos” makes the app harder to use. (a) True (b) False
34. 34.♿ Does this help everyone, or make the app harder to use: icons with no labels? (a) helps everyone (b) makes it harder
35. 35.♿ What should every icon-only button have for screen readers? (a) a sound (b) a text label (c) a long animation (d) a bright colour
36. 36.Which of these helps everyone use the app? (a) tiny tap areas (b) fast-flashing lights (c) icons with no labels (d) labels on every icon
37. 37.♿ A screen has 5 icon buttons. Only 2 of them have a text label for screen readers. How many still need a label?
38. 38.Which of these makes the app harder to use? (a) captions on videos (b) icons with no labels (c) big touch targets (d) labels on every icon
39. 39.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Body text: 19 px
    Menu: 16 px
    Title: 27 px
    Label: 10 px
    Footer: 28 px (a) Label (b) Title (c) Menu (d) Body text
40. 40.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
    Caption: 13 px
    Body text: 11 px
    Footer: 21 px

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