App Dev Worksheet: Accessibility

App development lesson 13: Accessibility · Set 397 · 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. Which text on this screen is too small?
   Menu: 26 px
   Title: 24 px
   Hint: 9 px
   Body text: 23 px (a) Body text (b) Title (c) Hint (d) Menu
2. 2.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
   Label: 23 px
   Hint: 14 px
   Caption: 13 px
3. 3.♿ Does this help everyone, or make the app harder to use: big touch targets? (a) helps everyone (b) makes it harder
4. 4.♿ Does this help everyone, or make the app harder to use: captions on videos? (a) helps everyone (b) makes it harder
5. 5.♿ A screen has 6 icon buttons. Only 1 of them have a text label for screen readers. How many still need a label?
6. 6.🔍 Which is the odd one out? (a) labels on every icon (b) fast-flashing lights (c) icons with no labels (d) tiny tap areas
7. 7.♿ Showing right or wrong only in red and green is a problem for ___. (a) the battery (b) colour-blind users (c) fast typists (d) the server
8. 8.♿ Does this help everyone, or make the app harder to use: strong colour contrast? (a) makes it harder (b) helps everyone
9. 9.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
   Footer: 14 px
   Menu: 15 px
   Hint: 13 px
10. 10.True or false: “sudden loud sounds” helps everyone use the app. (a) True (b) False
11. 11.♿ A screen has 5 icon buttons. Only 4 of them have a text label for screen readers. How many still need a label?
12. 12.True or false: “labels on every icon” makes the app harder to use. (a) True (b) False
13. 13.Which of these helps everyone use the app? (a) icons with no labels (b) tiny tap areas (c) colour as the only clue (d) strong colour contrast
14. 14.🔍 Which is the odd one out? (a) big touch targets (b) colour as the only clue (c) text that can grow (d) captions on videos
15. 15.♿ A screen has 11 icon buttons. Only 5 of them have a text label for screen readers. How many still need a label?
16. 16.🔍 Which is the odd one out? (a) tiny tap areas (b) big touch targets (c) sudden loud sounds (d) fast-flashing lights
17. 17.♿ Does this help everyone, or make the app harder to use: text that can grow? (a) makes it harder (b) helps everyone
18. 18.Which of these makes the app harder to use? (a) labels on every icon (b) sudden loud sounds (c) captions on videos (d) text that can grow
19. 19.Which of these helps everyone use the app? (a) sudden loud sounds (b) colour as the only clue (c) labels on every icon (d) fast-flashing lights
20. 20.Which of these helps everyone use the app? (a) tiny tap areas (b) big touch targets (c) colour as the only clue (d) sudden loud sounds
21. 21.♿ A screen has 7 icon buttons. Only 5 of them have a text label for screen readers. How many still need a label?
22. 22.♿ What does a screen reader do? (a) plays music (b) makes text tiny (c) takes photos (d) reads the screen aloud
23. 23.🔍 Which is the odd one out? (a) labels on every icon (b) big touch targets (c) text that can grow (d) tiny tap areas
24. 24.♿ What should every icon-only button have for screen readers? (a) a sound (b) a bright colour (c) a text label (d) a long animation
25. 25.Which of these makes the app harder to use? (a) icons with no labels (b) labels on every icon (c) captions on videos (d) strong colour contrast
26. 26.♿ Why add captions to videos? (a) to add colour (b) so anyone can follow (c) to hide the sound (d) to slow them down
27. 27.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
    Caption: 11 px
    Body text: 16 px
    Menu: 22 px
    Hint: 22 px
    Title: 12 px
28. 28.True or false: “labels on every icon” helps everyone use the app. (a) True (b) False
29. 29.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Caption: 19 px
    Footer: 19 px
    Hint: 23 px
    Menu: 10 px (a) Footer (b) Caption (c) Menu (d) Hint
30. 30.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) labels on every icon
31. 31.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Menu: 11 px
    Hint: 17 px
    Footer: 18 px
    Body text: 28 px (a) Body text (b) Footer (c) Menu (d) Hint
32. 32.True or false: “big touch targets” helps everyone use the app. (a) True (b) False
33. 33.♿ Does this help everyone, or make the app harder to use: tiny tap areas? (a) helps everyone (b) makes it harder
34. 34.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
    Menu: 19 px
    Title: 18 px
    Body text: 17 px
    Label: 23 px
35. 35.🔍 Which is the odd one out? (a) tiny tap areas (b) icons with no labels (c) colour as the only clue (d) strong colour contrast
36. 36.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Hint: 18 px
    Body text: 21 px
    Label: 14 px (a) Hint (b) Label (c) Body text
37. 37.True or false: “big touch targets” makes the app harder to use. (a) True (b) False
38. 38.♿ Does this help everyone, or make the app harder to use: labels on every icon? (a) makes it harder (b) helps everyone
39. 39.True or false: “icons with no labels” helps everyone use the app. (a) False (b) True
40. 40.True or false: “text that can grow” makes the app harder to use. (a) False (b) True

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