App Dev Worksheet: Accessibility

App development lesson 13: Accessibility · Set 606 · 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.♿ Does this help everyone, or make the app harder to use: colour as the only clue? (a) helps everyone (b) makes it harder
2. 2.♿ A screen has 6 icon buttons. Only 1 of them have a text label for screen readers. How many still need a label?
3. 3.Which of these makes the app harder to use? (a) strong colour contrast (b) fast-flashing lights (c) big touch targets (d) labels on every icon
4. 4.♿ A screen has 11 icon buttons. Only 1 of them have a text label for screen readers. How many still need a label?
5. 5.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
   Body text: 19 px
   Hint: 10 px
   Footer: 12 px
   Title: 13 px
6. 6.🔍 Which is the odd one out? (a) strong colour contrast (b) tiny tap areas (c) labels on every icon (d) big touch targets
7. 7.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
   Menu: 23 px
   Label: 24 px
   Title: 12 px
   Hint: 23 px
8. 8.Which of these helps everyone use the app? (a) sudden loud sounds (b) tiny tap areas (c) strong colour contrast (d) fast-flashing lights
9. 9.♿ Accessibility means an app works for ___. (a) nobody (b) only experts (c) everyone (d) only the coder
10. 10.♿ What should every icon-only button have for screen readers? (a) a long animation (b) a bright colour (c) a text label (d) a sound
11. 11.True or false: “captions on videos” helps everyone use the app. (a) True (b) False
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.True or false: “fast-flashing lights” helps everyone use the app. (a) True (b) False
14. 14.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
    Label: 24 px
    Footer: 22 px
    Title: 16 px
    Body text: 24 px
15. 15.True or false: “text that can grow” helps everyone use the app. (a) True (b) False
16. 16.Which of these makes the app harder to use? (a) strong colour contrast (b) big touch targets (c) labels on every icon (d) colour as the only clue
17. 17.Which of these helps everyone use the app? (a) icons with no labels (b) sudden loud sounds (c) fast-flashing lights (d) big touch targets
18. 18.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Label: 27 px
    Menu: 27 px
    Body text: 9 px (a) Label (b) Body text (c) Menu
19. 19.♿ Showing right or wrong only in red and green is a problem for ___. (a) colour-blind users (b) the battery (c) the server (d) fast typists
20. 20.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Menu: 19 px
    Label: 27 px
    Body text: 16 px
    Hint: 21 px
    Footer: 13 px (a) Label (b) Body text (c) Menu (d) Footer
21. 21.True or false: “big touch targets” makes the app harder to use. (a) True (b) False
22. 22.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
    Hint: 16 px
    Body text: 17 px
    Caption: 20 px
    Menu: 15 px
    Footer: 14 px
23. 23.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
    Body text: 20 px
    Label: 10 px
    Caption: 17 px
24. 24.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Caption: 25 px
    Hint: 23 px
    Footer: 18 px
    Label: 14 px (a) Hint (b) Footer (c) Caption (d) Label
25. 25.🔍 Which is the odd one out? (a) tiny tap areas (b) fast-flashing lights (c) icons with no labels (d) labels on every icon
26. 26.🔍 Which is the odd one out? (a) captions on videos (b) fast-flashing lights (c) sudden loud sounds (d) icons with no labels
27. 27.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Hint: 11 px
    Body text: 22 px
    Label: 23 px
    Title: 24 px
    Caption: 26 px (a) Title (b) Label (c) Hint (d) Body text
28. 28.True or false: “fast-flashing lights” makes the app harder to use. (a) False (b) True
29. 29.True or false: “labels on every icon” makes the app harder to use. (a) False (b) True
30. 30.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
    Hint: 11 px
    Footer: 18 px
    Label: 19 px
    Menu: 19 px
    Caption: 19 px
31. 31.♿ What does a screen reader do? (a) plays music (b) reads the screen aloud (c) takes photos (d) makes text tiny
32. 32.♿ A screen has 5 icon buttons. Only 4 of them have a text label for screen readers. How many still need a label?
33. 33.🔍 Which is the odd one out? (a) labels on every icon (b) text that can grow (c) icons with no labels (d) strong colour contrast
34. 34.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
    Title: 14 px
    Body text: 12 px
    Hint: 19 px
    Menu: 20 px
    Label: 20 px
35. 35.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
    Hint: 13 px
    Menu: 22 px
    Caption: 17 px
    Label: 16 px
36. 36.True or false: “tiny tap areas” makes the app harder to use. (a) False (b) True
37. 37.♿ A screen has 12 icon buttons. Only 9 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?
    Menu: 13 px
    Label: 12 px
    Footer: 21 px
    Caption: 13 px
    Hint: 20 px
39. 39.Which of these helps everyone use the app? (a) colour as the only clue (b) labels on every icon (c) tiny tap areas (d) sudden loud sounds
40. 40.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
    Body text: 10 px
    Footer: 23 px
    Hint: 11 px
    Title: 18 px

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