App Dev Worksheet: Accessibility

App development lesson 13: Accessibility · Set 584 · 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.True or false: “labels on every icon” helps everyone use the app. (a) True (b) False
2. 2.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
   Title: 10 px
   Hint: 13 px
   Body text: 13 px
   Label: 13 px
   Menu: 17 px
3. 3.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
   Body text: 20 px
   Menu: 13 px
   Label: 21 px (a) Menu (b) Label (c) Body text
4. 4.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
   Menu: 12 px
   Label: 25 px
   Title: 21 px (a) Title (b) Menu (c) Label
5. 5.True or false: “big touch targets” helps everyone use the app. (a) True (b) False
6. 6.Which of these helps everyone use the app? (a) icons with no labels (b) text that can grow (c) fast-flashing lights (d) sudden loud sounds
7. 7.♿ A screen has 6 icon buttons. Only 3 of them have a text label for screen readers. How many still need a label?
8. 8.♿ Does this help everyone, or make the app harder to use: labels on every icon? (a) makes it harder (b) helps everyone
9. 9.♿ Accessibility means an app works for ___. (a) only the coder (b) nobody (c) everyone (d) only experts
10. 10.True or false: “text that can grow” helps everyone use the app. (a) True (b) False
11. 11.♿ Does this help everyone, or make the app harder to use: big touch targets? (a) helps everyone (b) makes it harder
12. 12.♿ Does this help everyone, or make the app harder to use: colour as the only clue? (a) helps everyone (b) makes it harder
13. 13.♿ Showing right or wrong only in red and green is a problem for ___. (a) the server (b) the battery (c) colour-blind users (d) fast typists
14. 14.♿ A screen has 5 icon buttons. Only 2 of them have a text label for screen readers. How many still need a label?
15. 15.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Footer: 23 px
    Hint: 9 px
    Label: 19 px (a) Footer (b) Hint (c) Label
16. 16.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Title: 18 px
    Label: 14 px
    Hint: 25 px
    Menu: 26 px
    Footer: 22 px (a) Title (b) Menu (c) Hint (d) Label
17. 17.Which of these helps everyone use the app? (a) labels on every icon (b) colour as the only clue (c) icons with no labels (d) fast-flashing lights
18. 18.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Menu: 17 px
    Title: 19 px
    Label: 24 px
    Footer: 22 px
    Hint: 10 px (a) Hint (b) Title (c) Label (d) Menu
19. 19.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
    Caption: 22 px
    Hint: 23 px
    Label: 16 px
    Title: 12 px
20. 20.♿ A screen has 8 icon buttons. Only 2 of them have a text label for screen readers. How many still need a label?
21. 21.Which of these helps everyone use the app? (a) fast-flashing lights (b) sudden loud sounds (c) tiny tap areas (d) big touch targets
22. 22.♿ Does this help everyone, or make the app harder to use: tiny tap areas? (a) helps everyone (b) makes it harder
23. 23.🔍 Which is the odd one out? (a) colour as the only clue (b) captions on videos (c) text that can grow (d) labels on every icon
24. 24.🔍 Which is the odd one out? (a) colour as the only clue (b) icons with no labels (c) big touch targets (d) tiny tap areas
25. 25.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
    Menu: 13 px
    Title: 16 px
    Label: 10 px
26. 26.🔍 Which is the odd one out? (a) labels on every icon (b) colour as the only clue (c) fast-flashing lights (d) tiny tap areas
27. 27.True or false: “captions on videos” helps everyone use the app. (a) True (b) False
28. 28.♿ A screen has 12 icon buttons. Only 4 of them have a text label for screen readers. How many still need a label?
29. 29.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
    Title: 24 px
    Body text: 19 px
    Hint: 10 px
30. 30.♿ What does a screen reader do? (a) makes text tiny (b) reads the screen aloud (c) plays music (d) takes photos
31. 31.Which of these makes the app harder to use? (a) labels on every icon (b) text that can grow (c) icons with no labels (d) captions on videos
32. 32.🔍 Which is the odd one out? (a) strong colour contrast (b) text that can grow (c) captions on videos (d) fast-flashing lights
33. 33.🔍 Which is the odd one out? (a) captions on videos (b) icons with no labels (c) colour as the only clue (d) tiny tap areas
34. 34.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Menu: 11 px
    Label: 20 px
    Title: 22 px
    Caption: 24 px (a) Menu (b) Label (c) Title (d) Caption
35. 35.True or false: “fast-flashing lights” makes the app harder to use. (a) True (b) False
36. 36.True or false: “labels on every icon” makes the app harder to use. (a) True (b) False
37. 37.♿ Why add captions to videos? (a) to hide the sound (b) to add colour (c) to slow them down (d) so anyone can follow
38. 38.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Hint: 28 px
    Label: 23 px
    Footer: 14 px
    Body text: 27 px (a) Hint (b) Label (c) Body text (d) Footer
39. 39.True or false: “colour as the only clue” helps everyone use the app. (a) False (b) True
40. 40.♿ A screen has 12 icon buttons. Only 3 of them have a text label for screen readers. How many still need a label?

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