App Dev Worksheet: Accessibility

App development lesson 13: Accessibility · Set 653 · 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.🔍 Which is the odd one out? (a) tiny tap areas (b) icons with no labels (c) sudden loud sounds (d) labels on every icon
2. 2.♿ A screen has 9 icon buttons. Only 3 of them have a text label for screen readers. How many still need a label?
3. 3.True or false: “strong colour contrast” helps everyone use the app. (a) True (b) False
4. 4.♿ Accessibility means an app works for ___. (a) only the coder (b) everyone (c) only experts (d) nobody
5. 5.♿ What does a screen reader do? (a) makes text tiny (b) plays music (c) reads the screen aloud (d) takes photos
6. 6.🔍 Which is the odd one out? (a) big touch targets (b) tiny tap areas (c) labels on every icon (d) text that can grow
7. 7.♿ Does this help everyone, or make the app harder to use: icons with no labels? (a) helps everyone (b) makes it harder
8. 8.🔍 Which is the odd one out? (a) text that can grow (b) icons with no labels (c) labels on every icon (d) big touch targets
9. 9.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
   Title: 24 px
   Caption: 23 px
   Footer: 14 px
   Hint: 27 px
   Body text: 16 px (a) Title (b) Caption (c) Hint (d) Footer
10. 10.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Body text: 20 px
    Title: 16 px
    Menu: 22 px
    Footer: 9 px (a) Footer (b) Body text (c) Menu (d) Title
11. 11.♿ A screen has 6 icon buttons. Only 5 of them have a text label for screen readers. How many still need a label?
12. 12.♿ Does this help everyone, or make the app harder to use: fast-flashing lights? (a) helps everyone (b) makes it harder
13. 13.True or false: “fast-flashing lights” helps everyone use the app. (a) True (b) False
14. 14.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Body text: 13 px
    Label: 19 px
    Title: 23 px
    Caption: 28 px
    Hint: 16 px (a) Body text (b) Label (c) Title (d) Caption
15. 15.♿ What should every icon-only button have for screen readers? (a) a sound (b) a bright colour (c) a long animation (d) a text label
16. 16.True or false: “big touch targets” makes the app harder to use. (a) True (b) False
17. 17.♿ A screen has 11 icon buttons. Only 9 of them have a text label for screen readers. How many still need a label?
18. 18.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
    Menu: 18 px
    Hint: 14 px
    Caption: 13 px
    Body text: 13 px
19. 19.Which of these helps everyone use the app? (a) labels on every icon (b) sudden loud sounds (c) icons with no labels (d) fast-flashing lights
20. 20.🔍 Which is the odd one out? (a) captions on videos (b) sudden loud sounds (c) strong colour contrast (d) big touch targets
21. 21.Which of these makes the app harder to use? (a) captions on videos (b) big touch targets (c) text that can grow (d) tiny tap areas
22. 22.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Body text: 16 px
    Title: 18 px
    Hint: 17 px
    Caption: 9 px (a) Title (b) Hint (c) Body text (d) Caption
23. 23.♿ Does this help everyone, or make the app harder to use: colour as the only clue? (a) helps everyone (b) makes it harder
24. 24.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
    Menu: 10 px
    Hint: 10 px
    Footer: 11 px
    Title: 23 px
    Body text: 24 px
25. 25.♿ Does this help everyone, or make the app harder to use: tiny tap areas? (a) makes it harder (b) helps everyone
26. 26.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Body text: 23 px
    Title: 20 px
    Caption: 22 px
    Footer: 22 px
    Hint: 9 px (a) Caption (b) Hint (c) Title (d) Body text
27. 27.♿ Showing right or wrong only in red and green is a problem for ___. (a) the battery (b) fast typists (c) the server (d) colour-blind users
28. 28.🔍 Which is the odd one out? (a) icons with no labels (b) tiny tap areas (c) fast-flashing lights (d) captions on videos
29. 29.♿ Does this help everyone, or make the app harder to use: text that can grow? (a) makes it harder (b) helps everyone
30. 30.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Menu: 17 px
    Body text: 21 px
    Caption: 9 px (a) Menu (b) Body text (c) Caption
31. 31.♿ A screen has 11 icon buttons. Only 1 of them have a text label for screen readers. How many still need a label?
32. 32.🔍 Which is the odd one out? (a) colour as the only clue (b) icons with no labels (c) tiny tap areas (d) strong colour contrast
33. 33.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
    Title: 15 px
    Footer: 10 px
    Menu: 16 px
34. 34.♿ A screen has 12 icon buttons. Only 3 of them have a text label for screen readers. How many still need a label?
35. 35.Which of these helps everyone use the app? (a) tiny tap areas (b) colour as the only clue (c) icons with no labels (d) captions on videos
36. 36.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Title: 26 px
    Label: 25 px
    Body text: 16 px
    Menu: 14 px (a) Label (b) Title (c) Menu (d) Body text
37. 37.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
    Title: 20 px
    Hint: 16 px
    Label: 12 px
    Footer: 15 px
38. 38.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Title: 20 px
    Body text: 13 px
    Caption: 20 px
    Label: 22 px
    Hint: 28 px (a) Body text (b) Caption (c) Label (d) Title
39. 39.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
    Menu: 16 px
    Title: 11 px
    Label: 18 px
    Body text: 19 px
    Footer: 19 px
40. 40.♿ A screen has 10 icon buttons. Only 9 of them have a text label for screen readers. How many still need a label?

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