App Dev Worksheet: Accessibility

App development lesson 13: Accessibility · Set 716 · 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) colour as the only clue (b) labels on every icon (c) captions on videos (d) text that can grow
2. 2.♿ Showing right or wrong only in red and green is a problem for ___. (a) fast typists (b) the server (c) colour-blind users (d) the battery
3. 3.♿ Does this help everyone, or make the app harder to use: labels on every icon? (a) helps everyone (b) makes it harder
4. 4.Which of these helps everyone use the app? (a) tiny tap areas (b) fast-flashing lights (c) text that can grow (d) colour as the only clue
5. 5.🔍 Which is the odd one out? (a) strong colour contrast (b) captions on videos (c) labels on every icon (d) tiny tap areas
6. 6.True or false: “big touch targets” makes the app harder to use. (a) False (b) True
7. 7.🔍 Which is the odd one out? (a) tiny tap areas (b) captions on videos (c) colour as the only clue (d) icons with no labels
8. 8.♿ Accessibility means an app works for ___. (a) everyone (b) only experts (c) nobody (d) only the coder
9. 9.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
   Footer: 22 px
   Menu: 17 px
   Caption: 11 px
   Label: 25 px (a) Label (b) Caption (c) Menu (d) Footer
10. 10.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
    Body text: 22 px
    Caption: 12 px
    Menu: 24 px
    Label: 23 px
    Title: 14 px
11. 11.♿ Why add captions to videos? (a) so anyone can follow (b) to hide the sound (c) to add colour (d) to slow them down
12. 12.♿ A screen has 5 icon buttons. Only 1 of them have a text label for screen readers. How many still need a label?
13. 13.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Hint: 9 px
    Footer: 18 px
    Body text: 23 px
    Label: 21 px
    Caption: 17 px (a) Label (b) Footer (c) Body text (d) Hint
14. 14.♿ Does this help everyone, or make the app harder to use: icons with no labels? (a) helps everyone (b) makes it harder
15. 15.🔍 Which is the odd one out? (a) text that can grow (b) strong colour contrast (c) icons with no labels (d) big touch targets
16. 16.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
    Menu: 18 px
    Label: 13 px
    Footer: 23 px
17. 17.🔍 Which is the odd one out? (a) labels on every icon (b) strong colour contrast (c) captions on videos (d) fast-flashing lights
18. 18.♿ A screen has 8 icon buttons. Only 3 of them have a text label for screen readers. How many still need a label?
19. 19.🔍 Which is the odd one out? (a) fast-flashing lights (b) icons with no labels (c) text that can grow (d) colour as the only clue
20. 20.Which of these helps everyone use the app? (a) strong colour contrast (b) colour as the only clue (c) sudden loud sounds (d) tiny tap areas
21. 21.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
    Hint: 23 px
    Title: 14 px
    Label: 18 px
    Caption: 23 px
22. 22.♿ Does this help everyone, or make the app harder to use: colour as the only clue? (a) makes it harder (b) helps everyone
23. 23.Which of these makes the app harder to use? (a) labels on every icon (b) text that can grow (c) big touch targets (d) tiny tap areas
24. 24.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
    Body text: 10 px
    Label: 20 px
    Hint: 20 px
    Menu: 19 px
    Caption: 20 px
25. 25.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Caption: 19 px
    Body text: 14 px
    Label: 25 px
    Title: 25 px (a) Label (b) Caption (c) Title (d) Body text
26. 26.♿ Does this help everyone, or make the app harder to use: text that can grow? (a) helps everyone (b) makes it harder
27. 27.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Title: 9 px
    Hint: 19 px
    Body text: 18 px
    Label: 24 px (a) Body text (b) Label (c) Title (d) Hint
28. 28.🔍 Which is the odd one out? (a) colour as the only clue (b) sudden loud sounds (c) strong colour contrast (d) tiny tap areas
29. 29.Which of these helps everyone use the app? (a) tiny tap areas (b) icons with no labels (c) colour as the only clue (d) labels on every icon
30. 30.♿ Does this help everyone, or make the app harder to use: fast-flashing lights? (a) helps everyone (b) makes it harder
31. 31.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
    Body text: 17 px
    Label: 12 px
    Hint: 15 px
    Title: 13 px
32. 32.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Title: 23 px
    Caption: 9 px
    Footer: 20 px (a) Title (b) Footer (c) Caption
33. 33.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
    Menu: 10 px
    Body text: 22 px
    Caption: 11 px
    Title: 10 px
    Footer: 15 px
34. 34.♿ What does a screen reader do? (a) takes photos (b) reads the screen aloud (c) makes text tiny (d) plays music
35. 35.True or false: “fast-flashing lights” makes the app harder to use. (a) True (b) False
36. 36.True or false: “tiny tap areas” makes the app harder to use. (a) False (b) True
37. 37.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
    Hint: 17 px
    Menu: 11 px
    Title: 21 px
    Label: 23 px
    Body text: 20 px
38. 38.Which of these makes the app harder to use? (a) labels on every icon (b) colour as the only clue (c) big touch targets (d) captions on videos
39. 39.♿ Does this help everyone, or make the app harder to use: strong colour contrast? (a) helps everyone (b) makes it harder
40. 40.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Caption: 19 px
    Title: 27 px
    Menu: 14 px (a) Menu (b) Title (c) Caption

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