App Dev Worksheet: Accessibility

App development lesson 13: Accessibility · Set 56 · 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. How many texts on this screen are too small?
   Label: 15 px
   Hint: 14 px
   Menu: 13 px
   Title: 11 px
   Footer: 16 px
2. 2.♿ Does this help everyone, or make the app harder to use: colour as the only clue? (a) helps everyone (b) makes it harder
3. 3.🔍 Which is the odd one out? (a) tiny tap areas (b) labels on every icon (c) big touch targets (d) strong colour contrast
4. 4.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
   Body text: 24 px
   Menu: 14 px
   Hint: 23 px
   Title: 18 px
   Footer: 10 px
5. 5.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
   Hint: 25 px
   Menu: 23 px
   Footer: 22 px
   Caption: 10 px
   Body text: 28 px (a) Hint (b) Menu (c) Footer (d) Caption
6. 6.🔍 Which is the odd one out? (a) fast-flashing lights (b) colour as the only clue (c) labels on every icon (d) sudden loud sounds
7. 7.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
   Footer: 19 px
   Title: 18 px
   Hint: 11 px
8. 8.♿ What does a screen reader do? (a) reads the screen aloud (b) plays music (c) takes photos (d) makes text tiny
9. 9.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
   Footer: 9 px
   Label: 24 px
   Hint: 22 px
   Title: 17 px (a) Hint (b) Label (c) Footer (d) Title
10. 10.♿ Does this help everyone, or make the app harder to use: labels on every icon? (a) makes it harder (b) helps everyone
11. 11.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
    Body text: 24 px
    Hint: 10 px
    Caption: 21 px
12. 12.True or false: “strong colour contrast” helps everyone use the app. (a) False (b) True
13. 13.True or false: “tiny tap areas” helps everyone use the app. (a) True (b) False
14. 14.🔍 Which is the odd one out? (a) text that can grow (b) sudden loud sounds (c) colour as the only clue (d) icons with no labels
15. 15.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Body text: 13 px
    Footer: 25 px
    Caption: 22 px
    Menu: 20 px
    Hint: 26 px (a) Menu (b) Caption (c) Footer (d) Body text
16. 16.True or false: “big touch targets” helps everyone use the app. (a) False (b) True
17. 17.♿ Does this help everyone, or make the app harder to use: captions on videos? (a) makes it harder (b) helps everyone
18. 18.♿ Accessibility means an app works for ___. (a) everyone (b) nobody (c) only the coder (d) only experts
19. 19.♿ A screen has 11 icon buttons. Only 8 of them have a text label for screen readers. How many still need a label?
20. 20.♿ Does this help everyone, or make the app harder to use: fast-flashing lights? (a) makes it harder (b) helps everyone
21. 21.Which of these helps everyone use the app? (a) labels on every icon (b) tiny tap areas (c) fast-flashing lights (d) colour as the only clue
22. 22.Which of these helps everyone use the app? (a) captions on videos (b) colour as the only clue (c) tiny tap areas (d) fast-flashing lights
23. 23.♿ Does this help everyone, or make the app harder to use: sudden loud sounds? (a) makes it harder (b) helps everyone
24. 24.🔍 Which is the odd one out? (a) strong colour contrast (b) big touch targets (c) icons with no labels (d) text that can grow
25. 25.🔍 Which is the odd one out? (a) fast-flashing lights (b) colour as the only clue (c) tiny tap areas (d) strong colour contrast
26. 26.Which of these makes the app harder to use? (a) labels on every icon (b) icons with no labels (c) strong colour contrast (d) text that can grow
27. 27.♿ Showing right or wrong only in red and green is a problem for ___. (a) fast typists (b) the battery (c) the server (d) colour-blind users
28. 28.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Menu: 13 px
    Body text: 23 px
    Caption: 16 px (a) Body text (b) Caption (c) Menu
29. 29.Which of these makes the app harder to use? (a) strong colour contrast (b) text that can grow (c) captions on videos (d) sudden loud sounds
30. 30.Which of these helps everyone use the app? (a) colour as the only clue (b) icons with no labels (c) fast-flashing lights (d) strong colour contrast
31. 31.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Caption: 18 px
    Menu: 16 px
    Footer: 11 px (a) Caption (b) Menu (c) Footer
32. 32.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
    Caption: 22 px
    Body text: 20 px
    Title: 19 px
33. 33.Which of these makes the app harder to use? (a) text that can grow (b) big touch targets (c) colour as the only clue (d) strong colour contrast
34. 34.♿ Does this help everyone, or make the app harder to use: strong colour contrast? (a) helps everyone (b) makes it harder
35. 35.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Hint: 14 px
    Footer: 25 px
    Title: 21 px (a) Hint (b) Title (c) Footer
36. 36.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Body text: 21 px
    Caption: 12 px
    Label: 16 px (a) Body text (b) Caption (c) Label
37. 37.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
    Hint: 19 px
    Menu: 16 px
    Caption: 24 px
    Body text: 18 px
38. 38.True or false: “fast-flashing lights” makes the app harder to use. (a) False (b) True
39. 39.🔍 Which is the odd one out? (a) icons with no labels (b) tiny tap areas (c) big touch targets (d) colour as the only clue
40. 40.True or false: “sudden loud sounds” helps everyone use the app. (a) False (b) True

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