App Dev Worksheet: Accessibility

App development lesson 13: Accessibility · Set 625 · 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.♿ Does this help everyone, or make the app harder to use: sudden loud sounds? (a) makes it harder (b) helps everyone
2. 2.Which of these helps everyone use the app? (a) colour as the only clue (b) big touch targets (c) tiny tap areas (d) sudden loud sounds
3. 3.♿ Accessibility means an app works for ___. (a) only experts (b) only the coder (c) everyone (d) nobody
4. 4.Which of these helps everyone use the app? (a) colour as the only clue (b) captions on videos (c) tiny tap areas (d) icons with no labels
5. 5.True or false: “big touch targets” makes the app harder to use. (a) True (b) False
6. 6.♿ What should every icon-only button have for screen readers? (a) a bright colour (b) a sound (c) a long animation (d) a text label
7. 7.True or false: “colour as the only clue” makes the app harder to use. (a) False (b) True
8. 8.♿ What does a screen reader do? (a) takes photos (b) reads the screen aloud (c) plays music (d) makes text tiny
9. 9.🔍 Which is the odd one out? (a) labels on every icon (b) captions on videos (c) text that can grow (d) icons with no labels
10. 10.♿ A screen has 11 icon buttons. Only 10 of them have a text label for screen readers. How many still need a label?
11. 11.True or false: “strong colour contrast” helps everyone use the app. (a) False (b) True
12. 12.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
    Label: 17 px
    Body text: 17 px
    Hint: 20 px
    Menu: 15 px
    Caption: 17 px
13. 13.Which of these makes the app harder to use? (a) strong colour contrast (b) text that can grow (c) big touch targets (d) tiny tap areas
14. 14.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
    Hint: 13 px
    Menu: 23 px
    Label: 15 px
    Caption: 20 px
15. 15.♿ Does this help everyone, or make the app harder to use: labels on every icon? (a) makes it harder (b) helps everyone
16. 16.♿ A screen has 5 icon buttons. Only 2 of them have a text label for screen readers. How many still need a label?
17. 17.Which of these helps everyone use the app? (a) fast-flashing lights (b) text that can grow (c) colour as the only clue (d) sudden loud sounds
18. 18.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
    Menu: 11 px
    Label: 12 px
    Body text: 18 px
19. 19.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Hint: 18 px
    Label: 26 px
    Title: 14 px
    Body text: 28 px (a) Label (b) Hint (c) Title (d) Body text
20. 20.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Caption: 16 px
    Body text: 18 px
    Footer: 10 px (a) Body text (b) Caption (c) Footer
21. 21.True or false: “text that can grow” makes the app harder to use. (a) True (b) False
22. 22.🔍 Which is the odd one out? (a) captions on videos (b) tiny tap areas (c) fast-flashing lights (d) colour as the only clue
23. 23.🔍 Which is the odd one out? (a) big touch targets (b) labels on every icon (c) fast-flashing lights (d) text that can grow
24. 24.♿ A screen has 8 icon buttons. Only 2 of them have a text label for screen readers. How many still need a label?
25. 25.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
    Hint: 19 px
    Menu: 17 px
    Title: 20 px
26. 26.♿ A screen has 5 icon buttons. Only 1 of them have a text label for screen readers. How many still need a label?
27. 27.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Title: 21 px
    Hint: 17 px
    Footer: 11 px
    Caption: 25 px (a) Hint (b) Title (c) Footer (d) Caption
28. 28.♿ A screen has 12 icon buttons. Only 5 of them have a text label for screen readers. How many still need a label?
29. 29.🔍 Which is the odd one out? (a) sudden loud sounds (b) colour as the only clue (c) text that can grow (d) icons with no labels
30. 30.♿ A screen has 11 icon buttons. Only 8 of them have a text label for screen readers. How many still need a label?
31. 31.True or false: “captions on videos” makes the app harder to use. (a) True (b) False
32. 32.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Footer: 12 px
    Caption: 26 px
    Body text: 24 px
    Title: 18 px (a) Caption (b) Footer (c) Title (d) Body text
33. 33.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Footer: 26 px
    Body text: 18 px
    Menu: 12 px (a) Footer (b) Body text (c) Menu
34. 34.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Hint: 28 px
    Caption: 26 px
    Menu: 13 px (a) Menu (b) Hint (c) Caption
35. 35.♿ Why add captions to videos? (a) to add colour (b) to slow them down (c) so anyone can follow (d) to hide the sound
36. 36.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Title: 18 px
    Menu: 24 px
    Hint: 10 px (a) Title (b) Hint (c) Menu
37. 37.♿ Does this help everyone, or make the app harder to use: fast-flashing lights? (a) makes it harder (b) helps everyone
38. 38.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Body text: 13 px
    Footer: 18 px
    Menu: 17 px
    Title: 18 px
    Hint: 23 px (a) Footer (b) Menu (c) Body text (d) Title
39. 39.True or false: “tiny tap areas” makes the app harder to use. (a) False (b) True
40. 40.♿ Showing right or wrong only in red and green is a problem for ___. (a) colour-blind users (b) the server (c) the battery (d) fast typists

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