App Dev Worksheet: Accessibility

App development lesson 13: Accessibility · Set 164 · 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.♿ Accessibility means an app works for ___. (a) nobody (b) everyone (c) only the coder (d) only experts
2. 2.♿ A screen has 10 icon buttons. Only 3 of them have a text label for screen readers. How many still need a label?
3. 3.♿ Does this help everyone, or make the app harder to use: captions on videos? (a) makes it harder (b) helps everyone
4. 4.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
   Body text: 16 px
   Menu: 11 px
   Caption: 27 px (a) Body text (b) Caption (c) Menu
5. 5.True or false: “icons with no labels” helps everyone use the app. (a) True (b) False
6. 6.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
   Body text: 12 px
   Menu: 17 px
   Label: 22 px
   Title: 24 px (a) Label (b) Title (c) Body text (d) Menu
7. 7.🔍 Which is the odd one out? (a) strong colour contrast (b) labels on every icon (c) captions on videos (d) tiny tap areas
8. 8.True or false: “big touch targets” helps everyone use the app. (a) False (b) True
9. 9.Which of these makes the app harder to use? (a) text that can grow (b) labels on every icon (c) strong colour contrast (d) colour as the only clue
10. 10.♿ 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
11. 11.♿ Does this help everyone, or make the app harder to use: fast-flashing lights? (a) makes it harder (b) helps everyone
12. 12.♿ What does a screen reader do? (a) reads the screen aloud (b) takes photos (c) makes text tiny (d) plays music
13. 13.♿ A screen has 10 icon buttons. Only 1 of them have a text label for screen readers. How many still need a label?
14. 14.True or false: “sudden loud sounds” makes the app harder to use. (a) False (b) True
15. 15.Which of these helps everyone use the app? (a) labels on every icon (b) fast-flashing lights (c) colour as the only clue (d) icons with no labels
16. 16.Which of these helps everyone use the app? (a) colour as the only clue (b) tiny tap areas (c) fast-flashing lights (d) big touch targets
17. 17.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
    Body text: 14 px
    Caption: 23 px
    Footer: 24 px
    Label: 11 px
18. 18.♿ Does this help everyone, or make the app harder to use: strong colour contrast? (a) makes it harder (b) helps everyone
19. 19.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
    Body text: 18 px
    Title: 14 px
    Hint: 10 px
    Menu: 11 px
    Caption: 24 px
20. 20.♿ A screen has 8 icon buttons. Only 3 of them have a text label for screen readers. How many still need a label?
21. 21.Which of these makes the app harder to use? (a) text that can grow (b) icons with no labels (c) labels on every icon (d) captions on videos
22. 22.♿ Does this help everyone, or make the app harder to use: colour as the only clue? (a) helps everyone (b) makes it harder
23. 23.True or false: “tiny tap areas” helps everyone use the app. (a) True (b) False
24. 24.♿ A screen has 6 icon buttons. Only 1 of them have a text label for screen readers. How many still need a label?
25. 25.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
    Label: 12 px
    Footer: 14 px
    Title: 12 px
    Caption: 12 px
26. 26.🔍 Which is the odd one out? (a) strong colour contrast (b) captions on videos (c) sudden loud sounds (d) labels on every icon
27. 27.♿ Why add captions to videos? (a) to hide the sound (b) to slow them down (c) so anyone can follow (d) to add colour
28. 28.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Title: 26 px
    Body text: 17 px
    Hint: 21 px
    Menu: 11 px (a) Hint (b) Menu (c) Body text (d) Title
29. 29.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
    Footer: 17 px
    Caption: 16 px
    Hint: 11 px
    Menu: 19 px
30. 30.🔍 Which is the odd one out? (a) strong colour contrast (b) captions on videos (c) fast-flashing lights (d) labels on every icon
31. 31.♿ Does this help everyone, or make the app harder to use: tiny tap areas? (a) helps everyone (b) makes it harder
32. 32.True or false: “strong colour contrast” helps everyone use the app. (a) False (b) True
33. 33.Which of these makes the app harder to use? (a) text that can grow (b) strong colour contrast (c) tiny tap areas (d) captions on videos
34. 34.♿ What should every icon-only button have for screen readers? (a) a bright colour (b) a text label (c) a long animation (d) a sound
35. 35.♿ A screen has 7 icon buttons. Only 3 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?
    Body text: 17 px
    Title: 19 px
    Menu: 14 px
    Hint: 17 px
    Caption: 17 px (a) Body text (b) Menu (c) Title (d) Hint
37. 37.♿ Does this help everyone, or make the app harder to use: sudden loud sounds? (a) makes it harder (b) helps everyone
38. 38.True or false: “colour as the only clue” helps everyone use the app. (a) False (b) True
39. 39.♿ A screen has 8 icon buttons. Only 1 of them have a text label for screen readers. How many still need a label?
40. 40.♿ Does this help everyone, or make the app harder to use: icons with no labels? (a) makes it harder (b) helps everyone

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