App Dev Worksheet: Accessibility

App development lesson 13: Accessibility · Set 278 · 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: “icons with no labels” helps everyone use the app. (a) False (b) True
2. 2.🔍 Which is the odd one out? (a) captions on videos (b) colour as the only clue (c) text that can grow (d) labels on every icon
3. 3.True or false: “strong colour contrast” makes the app harder to use. (a) True (b) False
4. 4.♿ A screen has 10 icon buttons. Only 2 of them have a text label for screen readers. How many still need a label?
5. 5.🔍 Which is the odd one out? (a) labels on every icon (b) big touch targets (c) captions on videos (d) sudden loud sounds
6. 6.♿ Does this help everyone, or make the app harder to use: strong colour contrast? (a) makes it harder (b) helps everyone
7. 7.Which of these makes the app harder to use? (a) colour as the only clue (b) strong colour contrast (c) captions on videos (d) big touch targets
8. 8.🔍 Which is the odd one out? (a) labels on every icon (b) big touch targets (c) strong colour contrast (d) icons with no labels
9. 9.♿ A screen has 7 icon buttons. Only 4 of them have a text label for screen readers. How many still need a label?
10. 10.♿ A screen has 8 icon buttons. Only 1 of them have a text label for screen readers. How many still need a label?
11. 11.🔍 Which is the odd one out? (a) strong colour contrast (b) fast-flashing lights (c) sudden loud sounds (d) colour as the only clue
12. 12.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
    Footer: 22 px
    Label: 13 px
    Caption: 17 px
13. 13.Which of these helps everyone use the app? (a) tiny tap areas (b) colour as the only clue (c) big touch targets (d) fast-flashing lights
14. 14.♿ Does this help everyone, or make the app harder to use: icons with no labels? (a) helps everyone (b) makes it harder
15. 15.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Footer: 16 px
    Caption: 20 px
    Body text: 9 px
    Menu: 24 px
    Hint: 26 px (a) Body text (b) Caption (c) Menu (d) Footer
16. 16.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Caption: 16 px
    Title: 22 px
    Menu: 10 px (a) Caption (b) Menu (c) Title
17. 17.♿ A screen has 11 icon buttons. Only 8 of them have a text label for screen readers. How many still need a label?
18. 18.Which of these makes the app harder to use? (a) text that can grow (b) strong colour contrast (c) big touch targets (d) icons with no labels
19. 19.True or false: “tiny tap areas” helps everyone use the app. (a) False (b) True
20. 20.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Title: 12 px
    Hint: 22 px
    Body text: 18 px
    Label: 24 px (a) Body text (b) Label (c) Title (d) Hint
21. 21.🔍 Which is the odd one out? (a) tiny tap areas (b) colour as the only clue (c) captions on videos (d) sudden loud sounds
22. 22.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
    Label: 11 px
    Body text: 23 px
    Footer: 21 px
    Title: 18 px
    Menu: 20 px
23. 23.True or false: “colour as the only clue” helps everyone use the app. (a) True (b) False
24. 24.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Body text: 14 px
    Caption: 28 px
    Hint: 19 px
    Title: 16 px
    Menu: 19 px (a) Caption (b) Body text (c) Hint (d) Title
25. 25.♿ A screen has 11 icon buttons. Only 3 of them have a text label for screen readers. How many still need a label?
26. 26.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Menu: 16 px
    Caption: 17 px
    Title: 10 px (a) Menu (b) Title (c) Caption
27. 27.Which of these makes the app harder to use? (a) labels on every icon (b) fast-flashing lights (c) text that can grow (d) strong colour contrast
28. 28.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Label: 24 px
    Title: 18 px
    Caption: 19 px
    Footer: 9 px (a) Caption (b) Title (c) Label (d) Footer
29. 29.♿ Accessibility means an app works for ___. (a) nobody (b) everyone (c) only the coder (d) only experts
30. 30.True or false: “captions on videos” makes the app harder to use. (a) False (b) True
31. 31.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Title: 22 px
    Hint: 11 px
    Label: 16 px (a) Label (b) Hint (c) Title
32. 32.🔍 Which is the odd one out? (a) sudden loud sounds (b) colour as the only clue (c) text that can grow (d) tiny tap areas
33. 33.True or false: “colour as the only clue” makes the app harder to use. (a) False (b) True
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?
    Caption: 16 px
    Body text: 25 px
    Label: 11 px
    Menu: 19 px (a) Caption (b) Body text (c) Menu (d) Label
36. 36.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Label: 14 px
    Hint: 23 px
    Caption: 21 px
    Body text: 25 px (a) Hint (b) Caption (c) Label (d) Body text
37. 37.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
    Menu: 13 px
    Label: 10 px
    Body text: 10 px
38. 38.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
    Label: 10 px
    Body text: 21 px
    Footer: 13 px
    Hint: 18 px
    Menu: 11 px
39. 39.♿ Showing right or wrong only in red and green is a problem for ___. (a) fast typists (b) colour-blind users (c) the battery (d) the server
40. 40.♿ What should every icon-only button have for screen readers? (a) a sound (b) a long animation (c) a text label (d) a bright colour

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