App Dev Worksheet: Accessibility

App development lesson 13: Accessibility · Set 77 · 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: “big touch targets” helps everyone use the app. (a) True (b) False
2. 2.♿ Does this help everyone, or make the app harder to use: captions on videos? (a) helps everyone (b) makes it harder
3. 3.🔍 Which is the odd one out? (a) colour as the only clue (b) icons with no labels (c) big touch targets (d) fast-flashing lights
4. 4.♿ Does this help everyone, or make the app harder to use: text that can grow? (a) helps everyone (b) makes it harder
5. 5.Which of these makes the app harder to use? (a) text that can grow (b) big touch targets (c) icons with no labels (d) strong colour contrast
6. 6.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
   Footer: 22 px
   Body text: 15 px
   Title: 23 px
7. 7.🔍 Which is the odd one out? (a) captions on videos (b) strong colour contrast (c) colour as the only clue (d) big touch targets
8. 8.♿ Does this help everyone, or make the app harder to use: fast-flashing lights? (a) makes it harder (b) helps everyone
9. 9.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
   Title: 23 px
   Footer: 14 px
   Menu: 19 px
   Label: 23 px
   Body text: 27 px (a) Title (b) Label (c) Menu (d) Footer
10. 10.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Footer: 27 px
    Menu: 23 px
    Caption: 14 px (a) Footer (b) Caption (c) Menu
11. 11.♿ A screen has 11 icon buttons. Only 3 of them have a text label for screen readers. How many still need a label?
12. 12.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Footer: 24 px
    Caption: 21 px
    Menu: 16 px
    Title: 10 px
    Label: 18 px (a) Menu (b) Footer (c) Caption (d) Title
13. 13.♿ A screen has 11 icon buttons. Only 7 of them have a text label for screen readers. How many still need a label?
14. 14.♿ A screen has 12 icon buttons. Only 7 of them have a text label for screen readers. How many still need a label?
15. 15.Which of these makes the app harder to use? (a) strong colour contrast (b) captions on videos (c) big touch targets (d) fast-flashing lights
16. 16.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Footer: 24 px
    Title: 17 px
    Hint: 16 px
    Label: 14 px
    Menu: 26 px (a) Footer (b) Title (c) Hint (d) Label
17. 17.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Hint: 16 px
    Footer: 20 px
    Label: 9 px
    Title: 18 px (a) Hint (b) Footer (c) Label (d) Title
18. 18.🔍 Which is the odd one out? (a) icons with no labels (b) sudden loud sounds (c) tiny tap areas (d) text that can grow
19. 19.♿ Does this help everyone, or make the app harder to use: big touch targets? (a) makes it harder (b) helps everyone
20. 20.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Menu: 14 px
    Label: 18 px
    Footer: 22 px
    Title: 26 px (a) Title (b) Menu (c) Footer (d) Label
21. 21.♿ A screen has 7 icon buttons. Only 6 of them have a text label for screen readers. How many still need a label?
22. 22.♿ Why add captions to videos? (a) to slow them down (b) so anyone can follow (c) to add colour (d) to hide the sound
23. 23.♿ What does a screen reader do? (a) plays music (b) reads the screen aloud (c) makes text tiny (d) takes photos
24. 24.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Title: 9 px
    Menu: 18 px
    Footer: 26 px (a) Footer (b) Title (c) Menu
25. 25.♿ Does this help everyone, or make the app harder to use: tiny tap areas? (a) helps everyone (b) makes it harder
26. 26.Which of these helps everyone use the app? (a) sudden loud sounds (b) fast-flashing lights (c) colour as the only clue (d) strong colour contrast
27. 27.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Title: 20 px
    Hint: 11 px
    Footer: 19 px
    Menu: 25 px (a) Title (b) Menu (c) Hint (d) Footer
28. 28.♿ Does this help everyone, or make the app harder to use: sudden loud sounds? (a) helps everyone (b) makes it harder
29. 29.🔍 Which is the odd one out? (a) text that can grow (b) big touch targets (c) sudden loud sounds (d) labels on every icon
30. 30.♿ Does this help everyone, or make the app harder to use: icons with no labels? (a) makes it harder (b) helps everyone
31. 31.♿ Does this help everyone, or make the app harder to use: colour as the only clue? (a) makes it harder (b) helps everyone
32. 32.True or false: “colour as the only clue” makes the app harder to use. (a) False (b) True
33. 33.♿ A screen has 11 icon buttons. Only 8 of them have a text label for screen readers. How many still need a label?
34. 34.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Hint: 17 px
    Footer: 21 px
    Title: 11 px
    Body text: 28 px (a) Hint (b) Title (c) Body text (d) Footer
35. 35.♿ What should every icon-only button have for screen readers? (a) a text label (b) a long animation (c) a sound (d) a bright colour
36. 36.🔍 Which is the odd one out? (a) captions on videos (b) text that can grow (c) tiny tap areas (d) labels on every icon
37. 37.♿ A screen has 5 icon buttons. Only 4 of them have a text label for screen readers. How many still need a label?
38. 38.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Body text: 21 px
    Hint: 17 px
    Title: 9 px
    Caption: 17 px
    Label: 19 px (a) Hint (b) Title (c) Body text (d) Caption
39. 39.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
    Title: 18 px
    Footer: 12 px
    Caption: 23 px
40. 40.♿ Showing right or wrong only in red and green is a problem for ___. (a) the battery (b) the server (c) fast typists (d) colour-blind users

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