App Dev Worksheet: Accessibility

App development lesson 13: Accessibility · Set 235 · 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) big touch targets (c) labels on every icon (d) text that can grow
2. 2.Which of these helps everyone use the app? (a) icons with no labels (b) tiny tap areas (c) sudden loud sounds (d) labels on every icon
3. 3.Which of these makes the app harder to use? (a) captions on videos (b) sudden loud sounds (c) big touch targets (d) text that can grow
4. 4.♿ What does a screen reader do? (a) plays music (b) makes text tiny (c) takes photos (d) reads the screen aloud
5. 5.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
   Title: 14 px
   Label: 19 px
   Menu: 19 px
   Body text: 19 px
   Footer: 21 px
6. 6.♿ Does this help everyone, or make the app harder to use: sudden loud sounds? (a) helps everyone (b) makes it harder
7. 7.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
   Body text: 17 px
   Hint: 13 px
   Footer: 22 px
   Label: 16 px
   Menu: 26 px (a) Footer (b) Label (c) Body text (d) Hint
8. 8.Which of these makes the app harder to use? (a) strong colour contrast (b) captions on videos (c) labels on every icon (d) fast-flashing lights
9. 9.♿ Does this help everyone, or make the app harder to use: big touch targets? (a) helps everyone (b) makes it harder
10. 10.♿ A screen has 7 icon buttons. Only 2 of them have a text label for screen readers. How many still need a label?
11. 11.♿ A screen has 8 icon buttons. Only 1 of them have a text label for screen readers. How many still need a label?
12. 12.Which of these helps everyone use the app? (a) captions on videos (b) fast-flashing lights (c) tiny tap areas (d) colour as the only clue
13. 13.🔍 Which is the odd one out? (a) text that can grow (b) icons with no labels (c) captions on videos (d) big touch targets
14. 14.♿ Does this help everyone, or make the app harder to use: text that can grow? (a) makes it harder (b) helps everyone
15. 15.♿ Accessibility means an app works for ___. (a) nobody (b) only the coder (c) everyone (d) only experts
16. 16.♿ Why add captions to videos? (a) to add colour (b) to slow them down (c) so anyone can follow (d) to hide the sound
17. 17.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
    Title: 22 px
    Body text: 14 px
    Hint: 20 px
    Label: 14 px
18. 18.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Hint: 18 px
    Footer: 23 px
    Menu: 13 px (a) Hint (b) Footer (c) Menu
19. 19.♿ What should every icon-only button have for screen readers? (a) a sound (b) a text label (c) a bright colour (d) a long animation
20. 20.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Caption: 11 px
    Title: 19 px
    Body text: 24 px
    Footer: 22 px (a) Title (b) Caption (c) Body text (d) Footer
21. 21.♿ A screen has 11 icon buttons. Only 9 of them have a text label for screen readers. How many still need a label?
22. 22.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
    Footer: 16 px
    Label: 16 px
    Caption: 13 px
    Hint: 22 px
23. 23.🔍 Which is the odd one out? (a) captions on videos (b) sudden loud sounds (c) fast-flashing lights (d) icons with no labels
24. 24.🔍 Which is the odd one out? (a) big touch targets (b) text that can grow (c) captions on videos (d) sudden loud sounds
25. 25.♿ A screen has 5 icon buttons. Only 4 of them have a text label for screen readers. How many still need a label?
26. 26.🔍 Which is the odd one out? (a) tiny tap areas (b) strong colour contrast (c) labels on every icon (d) big touch targets
27. 27.♿ Does this help everyone, or make the app harder to use: tiny tap areas? (a) helps everyone (b) makes it harder
28. 28.Which of these helps everyone use the app? (a) colour as the only clue (b) tiny tap areas (c) strong colour contrast (d) fast-flashing lights
29. 29.Which of these makes the app harder to use? (a) labels on every icon (b) tiny tap areas (c) captions on videos (d) text that can grow
30. 30.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Footer: 23 px
    Hint: 11 px
    Title: 17 px
    Body text: 17 px
    Label: 19 px (a) Title (b) Footer (c) Body text (d) Hint
31. 31.♿ A screen has 10 icon buttons. Only 3 of them have a text label for screen readers. How many still need a label?
32. 32.♿ Does this help everyone, or make the app harder to use: labels on every icon? (a) makes it harder (b) helps everyone
33. 33.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Hint: 16 px
    Body text: 13 px
    Title: 27 px (a) Body text (b) Title (c) Hint
34. 34.True or false: “sudden loud sounds” makes the app harder to use. (a) True (b) False
35. 35.♿ A screen has 7 icon buttons. Only 1 of them have a text label for screen readers. How many still need a label?
36. 36.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Label: 11 px
    Footer: 27 px
    Hint: 18 px (a) Footer (b) Label (c) Hint
37. 37.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Body text: 26 px
    Label: 22 px
    Caption: 14 px
    Footer: 28 px (a) Body text (b) Label (c) Footer (d) Caption
38. 38.True or false: “text that can grow” helps everyone use the app. (a) False (b) True
39. 39.True or false: “fast-flashing lights” makes the app harder to use. (a) False (b) True
40. 40.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Footer: 14 px
    Label: 16 px
    Title: 24 px (a) Title (b) Footer (c) Label

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