App Dev Worksheet: Accessibility

App development lesson 13: Accessibility · Set 533 · 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?
   Footer: 26 px
   Caption: 10 px
   Title: 18 px
   Menu: 26 px (a) Menu (b) Title (c) Caption (d) Footer
2. 2.♿ Does this help everyone, or make the app harder to use: big touch targets? (a) helps everyone (b) makes it harder
3. 3.🔍 Which is the odd one out? (a) strong colour contrast (b) big touch targets (c) colour as the only clue (d) text that can grow
4. 4.True or false: “strong colour contrast” makes the app harder to use. (a) False (b) True
5. 5.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
   Body text: 20 px
   Hint: 11 px
   Footer: 24 px
   Title: 19 px
6. 6.♿ Does this help everyone, or make the app harder to use: labels on every icon? (a) makes it harder (b) helps everyone
7. 7.♿ Showing right or wrong only in red and green is a problem for ___. (a) fast typists (b) the server (c) the battery (d) colour-blind users
8. 8.🔍 Which is the odd one out? (a) colour as the only clue (b) sudden loud sounds (c) labels on every icon (d) tiny tap areas
9. 9.Which of these helps everyone use the app? (a) icons with no labels (b) colour as the only clue (c) sudden loud sounds (d) labels on every icon
10. 10.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Label: 27 px
    Caption: 22 px
    Hint: 9 px
    Footer: 16 px (a) Footer (b) Hint (c) Caption (d) Label
11. 11.True or false: “colour as the only clue” makes the app harder to use. (a) True (b) False
12. 12.♿ What should every icon-only button have for screen readers? (a) a text label (b) a sound (c) a bright colour (d) a long animation
13. 13.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Caption: 25 px
    Footer: 9 px
    Title: 22 px
    Label: 22 px
    Hint: 24 px (a) Caption (b) Title (c) Footer (d) Label
14. 14.♿ A screen has 8 icon buttons. Only 4 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?
    Title: 18 px
    Footer: 16 px
    Body text: 9 px
    Label: 19 px
    Hint: 21 px (a) Label (b) Footer (c) Title (d) Body text
16. 16.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
    Hint: 13 px
    Caption: 22 px
    Body text: 13 px
    Title: 23 px
    Menu: 18 px
17. 17.Which of these helps everyone use the app? (a) colour as the only clue (b) big touch targets (c) tiny tap areas (d) icons with no labels
18. 18.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Label: 28 px
    Caption: 23 px
    Footer: 16 px
    Body text: 12 px (a) Label (b) Body text (c) Caption (d) Footer
19. 19.♿ Why add captions to videos? (a) to hide the sound (b) so anyone can follow (c) to slow them down (d) to add colour
20. 20.Which of these helps everyone use the app? (a) strong colour contrast (b) tiny tap areas (c) colour as the only clue (d) sudden loud sounds
21. 21.♿ A screen has 5 icon buttons. Only 1 of them have a text label for screen readers. How many still need a label?
22. 22.True or false: “sudden loud sounds” makes the app harder to use. (a) False (b) True
23. 23.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Caption: 22 px
    Menu: 27 px
    Label: 10 px (a) Caption (b) Menu (c) Label
24. 24.♿ A screen has 11 icon buttons. Only 1 of them have a text label for screen readers. How many still need a label?
25. 25.♿ What does a screen reader do? (a) makes text tiny (b) reads the screen aloud (c) plays music (d) takes photos
26. 26.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Footer: 19 px
    Title: 22 px
    Caption: 27 px
    Body text: 13 px (a) Title (b) Caption (c) Footer (d) Body text
27. 27.🔍 Which is the odd one out? (a) labels on every icon (b) captions on videos (c) text that can grow (d) fast-flashing lights
28. 28.Which of these helps everyone use the app? (a) captions on videos (b) sudden loud sounds (c) fast-flashing lights (d) tiny tap areas
29. 29.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Caption: 17 px
    Menu: 10 px
    Label: 21 px
    Title: 27 px (a) Caption (b) Menu (c) Title (d) Label
30. 30.♿ A screen has 10 icon buttons. Only 8 of them have a text label for screen readers. How many still need a label?
31. 31.True or false: “big touch targets” makes the app harder to use. (a) True (b) False
32. 32.♿ A screen has 8 icon buttons. Only 7 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. How many texts on this screen are too small?
    Footer: 24 px
    Menu: 21 px
    Hint: 15 px
    Body text: 10 px
    Title: 17 px
34. 34.♿ Does this help everyone, or make the app harder to use: sudden loud sounds? (a) helps everyone (b) makes it harder
35. 35.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Footer: 26 px
    Caption: 28 px
    Label: 13 px
    Menu: 26 px (a) Menu (b) Caption (c) Label (d) Footer
36. 36.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
    Menu: 11 px
    Caption: 10 px
    Footer: 17 px
    Body text: 14 px
37. 37.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
    Body text: 12 px
    Caption: 22 px
    Footer: 23 px
38. 38.♿ Does this help everyone, or make the app harder to use: text that can grow? (a) makes it harder (b) helps everyone
39. 39.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
    Footer: 12 px
    Hint: 14 px
    Title: 24 px
    Body text: 14 px
40. 40.True or false: “labels on every icon” makes the app harder to use. (a) True (b) False

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