App Dev Worksheet: Accessibility

App development lesson 13: Accessibility · Set 267 · 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) captions on videos (b) big touch targets (c) labels on every icon (d) fast-flashing lights
2. 2.♿ Does this help everyone, or make the app harder to use: big touch targets? (a) helps everyone (b) makes it harder
3. 3.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
   Title: 13 px
   Menu: 16 px
   Footer: 28 px
   Hint: 16 px (a) Menu (b) Title (c) Hint (d) Footer
4. 4.🔍 Which is the odd one out? (a) tiny tap areas (b) icons with no labels (c) captions on videos (d) colour as the only clue
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.♿ A screen has 7 icon buttons. Only 6 of them have a text label for screen readers. How many still need a label?
7. 7.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
   Title: 14 px
   Hint: 18 px
   Label: 23 px
   Caption: 13 px
   Menu: 16 px
8. 8.Which of these makes the app harder to use? (a) big touch targets (b) text that can grow (c) fast-flashing lights (d) strong colour contrast
9. 9.♿ Does this help everyone, or make the app harder to use: colour as the only clue? (a) helps everyone (b) makes it harder
10. 10.Which of these helps everyone use the app? (a) colour as the only clue (b) icons with no labels (c) labels on every icon (d) sudden loud sounds
11. 11.True or false: “text that can grow” helps everyone use the app. (a) False (b) True
12. 12.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Caption: 17 px
    Hint: 20 px
    Menu: 26 px
    Footer: 9 px
    Body text: 19 px (a) Menu (b) Footer (c) Hint (d) Caption
13. 13.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Hint: 27 px
    Body text: 16 px
    Footer: 26 px
    Title: 28 px
    Caption: 13 px (a) Footer (b) Caption (c) Body text (d) Hint
14. 14.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
    Footer: 23 px
    Body text: 13 px
    Caption: 14 px
15. 15.♿ What does a screen reader do? (a) takes photos (b) makes text tiny (c) plays music (d) reads the screen aloud
16. 16.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
    Menu: 12 px
    Hint: 22 px
    Caption: 20 px
17. 17.♿ Does this help everyone, or make the app harder to use: fast-flashing lights? (a) makes it harder (b) helps everyone
18. 18.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
    Label: 23 px
    Menu: 20 px
    Body text: 12 px
    Caption: 20 px
    Hint: 11 px
19. 19.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Caption: 21 px
    Body text: 17 px
    Title: 14 px (a) Caption (b) Body text (c) Title
20. 20.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Footer: 19 px
    Body text: 10 px
    Menu: 19 px
    Caption: 27 px
    Hint: 18 px (a) Footer (b) Caption (c) Menu (d) Body text
21. 21.♿ What should every icon-only button have for screen readers? (a) a long animation (b) a sound (c) a text label (d) a bright colour
22. 22.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Label: 16 px
    Menu: 14 px
    Title: 23 px (a) Title (b) Label (c) Menu
23. 23.True or false: “colour as the only clue” makes the app harder to use. (a) False (b) True
24. 24.True or false: “text that can grow” makes the app harder to use. (a) False (b) True
25. 25.♿ Showing right or wrong only in red and green is a problem for ___. (a) the server (b) the battery (c) colour-blind users (d) fast typists
26. 26.♿ Does this help everyone, or make the app harder to use: text that can grow? (a) makes it harder (b) helps everyone
27. 27.🔍 Which is the odd one out? (a) big touch targets (b) labels on every icon (c) tiny tap areas (d) strong colour contrast
28. 28.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
    Footer: 11 px
    Label: 13 px
    Title: 23 px
    Caption: 18 px
29. 29.True or false: “sudden loud sounds” helps everyone use the app. (a) False (b) True
30. 30.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
    Label: 21 px
    Body text: 17 px
    Hint: 24 px
31. 31.🔍 Which is the odd one out? (a) sudden loud sounds (b) tiny tap areas (c) labels on every icon (d) fast-flashing lights
32. 32.♿ Accessibility means an app works for ___. (a) only the coder (b) everyone (c) only experts (d) nobody
33. 33.♿ A screen has 10 icon buttons. Only 6 of them have a text label for screen readers. How many still need a label?
34. 34.♿ Does this help everyone, or make the app harder to use: tiny tap areas? (a) helps everyone (b) makes it harder
35. 35.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
    Title: 10 px
    Footer: 21 px
    Caption: 21 px
36. 36.♿ Does this help everyone, or make the app harder to use: strong colour contrast? (a) makes it harder (b) helps everyone
37. 37.♿ A screen has 10 icon buttons. Only 2 of them have a text label for screen readers. How many still need a label?
38. 38.True or false: “strong colour contrast” 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?
    Footer: 27 px
    Menu: 12 px
    Caption: 23 px
    Title: 20 px (a) Caption (b) Menu (c) Title (d) Footer
40. 40.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Caption: 13 px
    Label: 22 px
    Body text: 18 px (a) Label (b) Caption (c) Body text

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