App Dev Worksheet: Accessibility

App development lesson 13: Accessibility · Set 54 · 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) tiny tap areas (b) strong colour contrast (c) text that can grow (d) big touch targets
2. 2.Which of these helps everyone use the app? (a) tiny tap areas (b) colour as the only clue (c) fast-flashing lights (d) text that can grow
3. 3.Which of these makes the app harder to use? (a) labels on every icon (b) fast-flashing lights (c) big touch targets (d) text that can grow
4. 4.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
   Label: 19 px
   Body text: 20 px
   Title: 11 px (a) Label (b) Title (c) Body text
5. 5.♿ A screen has 12 icon buttons. Only 6 of them have a text label for screen readers. How many still need a label?
6. 6.♿ 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
7. 7.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
   Menu: 11 px
   Caption: 20 px
   Footer: 15 px
   Hint: 22 px
8. 8.♿ Showing right or wrong only in red and green is a problem for ___. (a) the server (b) the battery (c) fast typists (d) colour-blind users
9. 9.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
   Body text: 16 px
   Title: 15 px
   Footer: 19 px
   Caption: 13 px
10. 10.♿ What does a screen reader do? (a) reads the screen aloud (b) plays music (c) takes photos (d) makes text tiny
11. 11.🔍 Which is the odd one out? (a) fast-flashing lights (b) colour as the only clue (c) big touch targets (d) tiny tap areas
12. 12.♿ Does this help everyone, or make the app harder to use: captions on videos? (a) helps everyone (b) makes it harder
13. 13.♿ Accessibility means an app works for ___. (a) nobody (b) only experts (c) everyone (d) only the coder
14. 14.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
    Label: 22 px
    Body text: 22 px
    Footer: 11 px
    Menu: 17 px
    Title: 16 px
15. 15.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
    Footer: 10 px
    Title: 14 px
    Body text: 24 px
    Label: 15 px
    Caption: 22 px
16. 16.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Footer: 22 px
    Title: 25 px
    Label: 10 px (a) Title (b) Footer (c) Label
17. 17.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Footer: 25 px
    Label: 10 px
    Menu: 26 px
    Body text: 25 px (a) Footer (b) Body text (c) Menu (d) Label
18. 18.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
    Label: 16 px
    Hint: 12 px
    Menu: 11 px
    Body text: 16 px
19. 19.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
    Hint: 13 px
    Caption: 10 px
    Title: 23 px
    Label: 11 px
    Footer: 12 px
20. 20.♿ Does this help everyone, or make the app harder to use: colour as the only clue? (a) makes it harder (b) helps everyone
21. 21.Which of these helps everyone use the app? (a) colour as the only clue (b) icons with no labels (c) strong colour contrast (d) tiny tap areas
22. 22.♿ Why add captions to videos? (a) to add colour (b) so anyone can follow (c) to slow them down (d) to hide the sound
23. 23.♿ A screen has 8 icon buttons. Only 2 of them have a text label for screen readers. How many still need a label?
24. 24.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
    Label: 23 px
    Caption: 20 px
    Title: 22 px
    Body text: 14 px
25. 25.♿ Does this help everyone, or make the app harder to use: fast-flashing lights? (a) helps everyone (b) makes it harder
26. 26.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
    Footer: 15 px
    Label: 21 px
    Caption: 10 px
27. 27.Which of these makes the app harder to use? (a) strong colour contrast (b) text that can grow (c) colour as the only clue (d) labels on every icon
28. 28.♿ Does this help everyone, or make the app harder to use: icons with no labels? (a) helps everyone (b) makes it harder
29. 29.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
    Title: 12 px
    Menu: 23 px
    Hint: 13 px
    Label: 12 px
30. 30.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Caption: 11 px
    Menu: 25 px
    Body text: 26 px (a) Body text (b) Caption (c) Menu
31. 31.Which of these helps everyone use the app? (a) captions on videos (b) fast-flashing lights (c) colour as the only clue (d) sudden loud sounds
32. 32.♿ Does this help everyone, or make the app harder to use: text that can grow? (a) makes it harder (b) helps everyone
33. 33.♿ Does this help everyone, or make the app harder to use: tiny tap areas? (a) makes it harder (b) helps everyone
34. 34.♿ A screen has 5 icon buttons. Only 1 of them have a text label for screen readers. How many still need a label?
35. 35.Which of these makes the app harder to use? (a) captions on videos (b) sudden loud sounds (c) text that can grow (d) labels on every icon
36. 36.True or false: “labels on every icon” makes the app harder to use. (a) True (b) False
37. 37.♿ A screen has 10 icon buttons. Only 6 of them have a text label for screen readers. How many still need a label?
38. 38.Which of these makes the app harder to use? (a) captions on videos (b) text that can grow (c) labels on every icon (d) tiny tap areas
39. 39.♿ Does this help everyone, or make the app harder to use: big touch targets? (a) makes it harder (b) helps everyone
40. 40.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
    Menu: 11 px
    Footer: 13 px
    Caption: 13 px

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