App Dev Worksheet: Accessibility

App development lesson 13: Accessibility · Set 159 · 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.♿ Does this help everyone, or make the app harder to use: tiny tap areas? (a) makes it harder (b) helps everyone
3. 3.Which of these helps everyone use the app? (a) tiny tap areas (b) captions on videos (c) sudden loud sounds (d) colour as the only clue
4. 4.True or false: “big touch targets” helps everyone use the app. (a) False (b) True
5. 5.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
   Menu: 20 px
   Footer: 20 px
   Caption: 20 px
   Label: 25 px
   Hint: 10 px (a) Caption (b) Footer (c) Hint (d) Menu
6. 6.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
   Title: 17 px
   Caption: 20 px
   Menu: 20 px
7. 7.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
   Title: 11 px
   Body text: 12 px
   Menu: 24 px
   Hint: 17 px
   Footer: 16 px
8. 8.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
   Body text: 20 px
   Caption: 20 px
   Hint: 17 px
   Title: 10 px (a) Hint (b) Title (c) Caption (d) Body text
9. 9.♿ Why add captions to videos? (a) to add colour (b) to hide the sound (c) so anyone can follow (d) to slow them down
10. 10.Which of these makes the app harder to use? (a) captions on videos (b) labels on every icon (c) colour as the only clue (d) big touch targets
11. 11.🔍 Which is the odd one out? (a) fast-flashing lights (b) tiny tap areas (c) sudden loud sounds (d) big touch targets
12. 12.True or false: “sudden loud sounds” makes the app harder to use. (a) False (b) True
13. 13.♿ What does a screen reader do? (a) makes text tiny (b) plays music (c) takes photos (d) reads the screen aloud
14. 14.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
    Footer: 22 px
    Body text: 13 px
    Title: 10 px
    Label: 14 px
15. 15.♿ Does this help everyone, or make the app harder to use: icons with no labels? (a) helps everyone (b) makes it harder
16. 16.Which of these makes the app harder to use? (a) tiny tap areas (b) labels on every icon (c) captions on videos (d) text that can grow
17. 17.True or false: “text that can grow” helps everyone use the app. (a) True (b) False
18. 18.🔍 Which is the odd one out? (a) captions on videos (b) tiny tap areas (c) labels on every icon (d) big touch targets
19. 19.♿ Showing right or wrong only in red and green is a problem for ___. (a) colour-blind users (b) the battery (c) fast typists (d) the server
20. 20.True or false: “strong colour contrast” helps everyone use the app. (a) True (b) False
21. 21.Which of these helps everyone use the app? (a) labels on every icon (b) tiny tap areas (c) colour as the only clue (d) fast-flashing lights
22. 22.🔍 Which is the odd one out? (a) big touch targets (b) strong colour contrast (c) icons with no labels (d) labels on every icon
23. 23.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Menu: 26 px
    Title: 11 px
    Body text: 20 px
    Hint: 26 px
    Caption: 19 px (a) Hint (b) Menu (c) Title (d) Body text
24. 24.🔍 Which is the odd one out? (a) fast-flashing lights (b) text that can grow (c) sudden loud sounds (d) colour as the only clue
25. 25.♿ A screen has 10 icon buttons. Only 6 of them have a text label for screen readers. How many still need a label?
26. 26.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Hint: 18 px
    Label: 18 px
    Menu: 13 px (a) Menu (b) Label (c) Hint
27. 27.♿ A screen has 6 icon buttons. Only 1 of them have a text label for screen readers. How many still need a label?
28. 28.True or false: “fast-flashing lights” makes the app harder to use. (a) True (b) False
29. 29.True or false: “strong colour contrast” makes the app harder to use. (a) False (b) True
30. 30.♿ Accessibility means an app works for ___. (a) only the coder (b) only experts (c) everyone (d) nobody
31. 31.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
    Label: 18 px
    Menu: 15 px
    Hint: 22 px
32. 32.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Menu: 14 px
    Label: 18 px
    Caption: 18 px (a) Caption (b) Menu (c) Label
33. 33.♿ Does this help everyone, or make the app harder to use: sudden loud sounds? (a) helps everyone (b) makes it harder
34. 34.♿ Does this help everyone, or make the app harder to use: captions on videos? (a) helps everyone (b) makes it harder
35. 35.♿ What should every icon-only button have for screen readers? (a) a bright colour (b) a text label (c) a sound (d) a long animation
36. 36.🔍 Which is the odd one out? (a) fast-flashing lights (b) sudden loud sounds (c) strong colour contrast (d) colour as the only clue
37. 37.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
    Caption: 19 px
    Hint: 16 px
    Title: 16 px
    Footer: 19 px
38. 38.♿ A screen has 8 icon buttons. Only 4 of them have a text label for screen readers. How many still need a label?
39. 39.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Title: 13 px
    Hint: 24 px
    Caption: 23 px
    Footer: 27 px (a) Title (b) Hint (c) Caption (d) Footer
40. 40.Which of these helps everyone use the app? (a) tiny tap areas (b) strong colour contrast (c) fast-flashing lights (d) icons with no labels

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