App Dev Worksheet: Accessibility

App development lesson 13: Accessibility · Set 43 · 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. How many texts on this screen are too small?
   Menu: 19 px
   Title: 17 px
   Footer: 21 px
   Caption: 16 px
2. 2.♿ Showing right or wrong only in red and green is a problem for ___. (a) colour-blind users (b) the server (c) fast typists (d) the battery
3. 3.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
   Footer: 24 px
   Menu: 23 px
   Label: 11 px
4. 4.♿ Does this help everyone, or make the app harder to use: colour as the only clue? (a) helps everyone (b) makes it harder
5. 5.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
   Hint: 19 px
   Body text: 16 px
   Caption: 18 px
   Title: 12 px
   Menu: 18 px
6. 6.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
   Caption: 24 px
   Body text: 17 px
   Menu: 14 px
   Footer: 19 px
   Title: 26 px (a) Footer (b) Menu (c) Body text (d) Caption
7. 7.♿ A screen has 5 icon buttons. Only 4 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: big touch targets? (a) helps everyone (b) makes it harder
9. 9.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
   Caption: 27 px
   Hint: 28 px
   Footer: 9 px (a) Footer (b) Hint (c) Caption
10. 10.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Hint: 10 px
    Body text: 24 px
    Label: 21 px
    Footer: 27 px (a) Body text (b) Hint (c) Label (d) Footer
11. 11.♿ Does this help everyone, or make the app harder to use: fast-flashing lights? (a) helps everyone (b) makes it harder
12. 12.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
    Hint: 18 px
    Label: 17 px
    Body text: 22 px
13. 13.♿ Does this help everyone, or make the app harder to use: sudden loud sounds? (a) makes it harder (b) helps everyone
14. 14.🔍 Which is the odd one out? (a) captions on videos (b) colour as the only clue (c) sudden loud sounds (d) tiny tap areas
15. 15.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Hint: 21 px
    Menu: 12 px
    Footer: 18 px (a) Hint (b) Menu (c) Footer
16. 16.Which of these makes the app harder to use? (a) strong colour contrast (b) colour as the only clue (c) captions on videos (d) text that can grow
17. 17.♿ Does this help everyone, or make the app harder to use: captions on videos? (a) makes it harder (b) helps everyone
18. 18.Which of these makes the app harder to use? (a) big touch targets (b) strong colour contrast (c) tiny tap areas (d) labels on every icon
19. 19.♿ A screen has 12 icon buttons. Only 9 of them have a text label for screen readers. How many still need a label?
20. 20.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Caption: 20 px
    Body text: 16 px
    Title: 28 px
    Hint: 17 px
    Label: 10 px (a) Caption (b) Label (c) Title (d) Body text
21. 21.♿ Accessibility means an app works for ___. (a) nobody (b) only the coder (c) everyone (d) only experts
22. 22.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Menu: 16 px
    Hint: 23 px
    Caption: 11 px (a) Hint (b) Caption (c) Menu
23. 23.♿ A screen has 6 icon buttons. Only 3 of them have a text label for screen readers. How many still need a label?
24. 24.♿ A screen has 10 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?
    Body text: 10 px
    Footer: 20 px
    Title: 13 px
    Label: 15 px
    Caption: 19 px
26. 26.♿ Why add captions to videos? (a) to hide the sound (b) to slow them down (c) so anyone can follow (d) to add colour
27. 27.🔍 Which is the odd one out? (a) strong colour contrast (b) text that can grow (c) fast-flashing lights (d) captions on videos
28. 28.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
    Menu: 22 px
    Body text: 18 px
    Title: 22 px
29. 29.True or false: “text that can grow” helps everyone use the app. (a) True (b) False
30. 30.♿ A screen has 6 icon buttons. Only 2 of them have a text label for screen readers. How many still need a label?
31. 31.🔍 Which is the odd one out? (a) colour as the only clue (b) fast-flashing lights (c) strong colour contrast (d) icons with no labels
32. 32.♿ A screen has 12 icon buttons. Only 10 of them have a text label for screen readers. How many still need a label?
33. 33.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Body text: 16 px
    Menu: 21 px
    Title: 10 px
    Caption: 16 px
    Label: 20 px (a) Menu (b) Title (c) Body text (d) Caption
34. 34.♿ What does a screen reader do? (a) takes photos (b) plays music (c) reads the screen aloud (d) makes text tiny
35. 35.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Body text: 22 px
    Title: 19 px
    Caption: 18 px
    Footer: 11 px
    Menu: 25 px (a) Caption (b) Title (c) Body text (d) Footer
36. 36.True or false: “captions on videos” makes the app harder to use. (a) False (b) True
37. 37.Which of these makes the app harder to use? (a) captions on videos (b) labels on every icon (c) strong colour contrast (d) fast-flashing lights
38. 38.🔍 Which is the odd one out? (a) colour as the only clue (b) labels on every icon (c) text that can grow (d) strong colour contrast
39. 39.True or false: “big touch targets” helps everyone use the app. (a) False (b) True
40. 40.Which of these helps everyone use the app? (a) icons with no labels (b) fast-flashing lights (c) big touch targets (d) colour as the only clue

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