App Dev Worksheet: Accessibility

App development lesson 13: Accessibility · Set 258 · 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 of these makes the app harder to use? (a) tiny tap areas (b) text that can grow (c) labels on every icon (d) strong colour contrast
2. 2.🔍 Which is the odd one out? (a) fast-flashing lights (b) text that can grow (c) strong colour contrast (d) labels on every icon
3. 3.True or false: “strong colour contrast” makes the app harder to use. (a) False (b) True
4. 4.♿ Why add captions to videos? (a) to add colour (b) to hide the sound (c) to slow them down (d) so anyone can follow
5. 5.Which of these helps everyone use the app? (a) colour as the only clue (b) icons with no labels (c) text that can grow (d) tiny tap areas
6. 6.♿ Does this help everyone, or make the app harder to use: strong colour contrast? (a) helps everyone (b) makes it harder
7. 7.🔍 Which is the odd one out? (a) sudden loud sounds (b) text that can grow (c) fast-flashing lights (d) colour as the only clue
8. 8.♿ Does this help everyone, or make the app harder to use: labels on every icon? (a) helps everyone (b) makes it harder
9. 9.♿ Does this help everyone, or make the app harder to use: icons with no labels? (a) makes it harder (b) helps everyone
10. 10.True or false: “big touch targets” makes the app harder to use. (a) True (b) False
11. 11.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Caption: 9 px
    Footer: 28 px
    Title: 16 px
    Body text: 20 px (a) Body text (b) Title (c) Caption (d) Footer
12. 12.♿ Does this help everyone, or make the app harder to use: sudden loud sounds? (a) makes it harder (b) helps everyone
13. 13.Which of these helps everyone use the app? (a) captions on videos (b) sudden loud sounds (c) icons with no labels (d) tiny tap areas
14. 14.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Label: 22 px
    Menu: 27 px
    Caption: 9 px
    Title: 22 px (a) Label (b) Caption (c) Menu (d) Title
15. 15.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
    Hint: 16 px
    Footer: 24 px
    Label: 17 px
16. 16.🔍 Which is the odd one out? (a) icons with no labels (b) captions on videos (c) big touch targets (d) labels on every icon
17. 17.♿ Showing right or wrong only in red and green is a problem for ___. (a) fast typists (b) colour-blind users (c) the server (d) the battery
18. 18.True or false: “captions on videos” helps everyone use the app. (a) True (b) False
19. 19.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
    Body text: 10 px
    Menu: 17 px
    Title: 10 px
    Hint: 20 px
20. 20.♿ Does this help everyone, or make the app harder to use: fast-flashing lights? (a) helps everyone (b) makes it harder
21. 21.🔍 Which is the odd one out? (a) captions on videos (b) tiny tap areas (c) colour as the only clue (d) fast-flashing lights
22. 22.♿ What does a screen reader do? (a) plays music (b) takes photos (c) reads the screen aloud (d) makes text tiny
23. 23.♿ Does this help everyone, or make the app harder to use: tiny tap areas? (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?
    Title: 24 px
    Footer: 17 px
    Caption: 23 px
25. 25.Which of these makes the app harder to use? (a) strong colour contrast (b) captions on videos (c) colour as the only clue (d) text that can grow
26. 26.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
    Caption: 10 px
    Label: 19 px
    Footer: 20 px
    Menu: 13 px
27. 27.♿ A screen has 8 icon buttons. Only 3 of them have a text label for screen readers. How many still need a label?
28. 28.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
    Label: 13 px
    Hint: 12 px
    Caption: 16 px
    Menu: 10 px
29. 29.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
    Body text: 10 px
    Caption: 13 px
    Label: 10 px
    Hint: 12 px
    Footer: 23 px
30. 30.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Body text: 19 px
    Caption: 27 px
    Label: 12 px
    Footer: 27 px
    Menu: 20 px (a) Caption (b) Footer (c) Body text (d) Label
31. 31.♿ A screen has 7 icon buttons. Only 3 of them have a text label for screen readers. How many still need a label?
32. 32.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
    Title: 17 px
    Footer: 10 px
    Body text: 11 px
    Caption: 19 px
33. 33.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Footer: 26 px
    Title: 10 px
    Hint: 23 px
    Body text: 19 px
    Caption: 21 px (a) Title (b) Footer (c) Hint (d) Body text
34. 34.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
    Body text: 18 px
    Label: 12 px
    Caption: 20 px
35. 35.True or false: “text that can grow” makes the app harder to use. (a) False (b) True
36. 36.♿ What should every icon-only button have for screen readers? (a) a long animation (b) a text label (c) a bright colour (d) a sound
37. 37.♿ A screen has 11 icon buttons. Only 5 of them have a text label for screen readers. How many still need a label?
38. 38.True or false: “colour as the only clue” helps everyone use the app. (a) False (b) True
39. 39.🔍 Which is the odd one out? (a) labels on every icon (b) strong colour contrast (c) text that can grow (d) colour as the only clue
40. 40.🔍 Which is the odd one out? (a) strong colour contrast (b) text that can grow (c) tiny tap areas (d) labels on every icon

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