App Dev Worksheet: Accessibility

App development lesson 13: Accessibility · Set 807 · 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.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
   Title: 23 px
   Caption: 9 px
   Hint: 25 px (a) Caption (b) Title (c) Hint
2. 2.♿ Accessibility means an app works for ___. (a) only the coder (b) everyone (c) nobody (d) only experts
3. 3.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
   Menu: 17 px
   Body text: 19 px
   Hint: 10 px
   Title: 27 px (a) Body text (b) Menu (c) Hint (d) Title
4. 4.True or false: “labels on every icon” makes the app harder to use. (a) False (b) True
5. 5.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
   Body text: 21 px
   Title: 18 px
   Menu: 26 px
   Label: 14 px
   Hint: 23 px (a) Body text (b) Title (c) Menu (d) Label
6. 6.♿ What does a screen reader do? (a) makes text tiny (b) takes photos (c) reads the screen aloud (d) plays music
7. 7.♿ A screen has 7 icon buttons. Only 5 of them have a text label for screen readers. How many still need a label?
8. 8.Which of these helps everyone use the app? (a) text that can grow (b) sudden loud sounds (c) fast-flashing lights (d) tiny tap areas
9. 9.♿ A screen has 12 icon buttons. Only 1 of them have a text label for screen readers. How many still need a label?
10. 10.♿ Showing right or wrong only in red and green is a problem for ___. (a) the server (b) fast typists (c) colour-blind users (d) the battery
11. 11.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Body text: 25 px
    Hint: 9 px
    Menu: 26 px
    Label: 18 px
    Footer: 21 px (a) Body text (b) Label (c) Hint (d) Menu
12. 12.♿ Does this help everyone, or make the app harder to use: tiny tap areas? (a) helps everyone (b) makes it harder
13. 13.🔍 Which is the odd one out? (a) strong colour contrast (b) captions on videos (c) text that can grow (d) sudden loud sounds
14. 14.True or false: “icons with no labels” makes the app harder to use. (a) False (b) True
15. 15.True or false: “big touch targets” makes the app harder to use. (a) False (b) True
16. 16.🔍 Which is the odd one out? (a) captions on videos (b) fast-flashing lights (c) text that can grow (d) strong colour contrast
17. 17.♿ Does this help everyone, or make the app harder to use: strong colour contrast? (a) helps everyone (b) makes it harder
18. 18.🔍 Which is the odd one out? (a) labels on every icon (b) colour as the only clue (c) tiny tap areas (d) sudden loud sounds
19. 19.Which of these makes the app harder to use? (a) big touch targets (b) tiny tap areas (c) text that can grow (d) labels on every icon
20. 20.♿ Does this help everyone, or make the app harder to use: icons with no labels? (a) helps everyone (b) makes it harder
21. 21.🔍 Which is the odd one out? (a) colour as the only clue (b) sudden loud sounds (c) big touch targets (d) icons with no labels
22. 22.True or false: “tiny tap areas” makes the app harder to use. (a) True (b) False
23. 23.Which of these makes the app harder to use? (a) text that can grow (b) strong colour contrast (c) big touch targets (d) fast-flashing lights
24. 24.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
    Label: 24 px
    Body text: 20 px
    Footer: 18 px
    Hint: 11 px
25. 25.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
    Caption: 24 px
    Footer: 17 px
    Title: 15 px
    Hint: 10 px
26. 26.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
    Title: 23 px
    Hint: 16 px
    Body text: 15 px
    Footer: 14 px
27. 27.♿ A screen has 12 icon buttons. Only 3 of them have a text label for screen readers. How many still need a label?
28. 28.True or false: “strong colour contrast” makes the app harder to use. (a) True (b) False
29. 29.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Footer: 12 px
    Body text: 23 px
    Menu: 26 px (a) Body text (b) Footer (c) Menu
30. 30.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
    Caption: 21 px
    Hint: 21 px
    Body text: 15 px
31. 31.♿ Does this help everyone, or make the app harder to use: colour as the only clue? (a) makes it harder (b) helps everyone
32. 32.Which of these makes the app harder to use? (a) strong colour contrast (b) big touch targets (c) colour as the only clue (d) labels on every icon
33. 33.♿ Does this help everyone, or make the app harder to use: labels on every icon? (a) makes it harder (b) helps everyone
34. 34.🔍 Which is the odd one out? (a) text that can grow (b) fast-flashing lights (c) sudden loud sounds (d) tiny tap areas
35. 35.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Footer: 24 px
    Caption: 20 px
    Title: 11 px (a) Footer (b) Caption (c) Title
36. 36.🔍 Which is the odd one out? (a) fast-flashing lights (b) colour as the only clue (c) tiny tap areas (d) strong colour contrast
37. 37.♿ A screen has 9 icon buttons. Only 8 of them have a text label for screen readers. How many still need a label?
38. 38.Which of these helps everyone use the app? (a) colour as the only clue (b) labels on every icon (c) sudden loud sounds (d) icons with no labels
39. 39.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
    Caption: 18 px
    Body text: 11 px
    Label: 20 px
    Footer: 13 px
    Menu: 20 px
40. 40.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Menu: 26 px
    Footer: 20 px
    Title: 14 px (a) Title (b) Footer (c) Menu

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