App Dev Worksheet: Accessibility

App development lesson 13: Accessibility · Set 754 · 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: “tiny tap areas” makes the app harder to use. (a) False (b) True
2. 2.🔍 Which is the odd one out? (a) tiny tap areas (b) sudden loud sounds (c) strong colour contrast (d) colour as the only clue
3. 3.♿ What does a screen reader do? (a) takes photos (b) plays music (c) makes text tiny (d) reads the screen aloud
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.True or false: “text that can grow” helps everyone use the app. (a) False (b) True
6. 6.True or false: “captions on videos” makes the app harder to use. (a) True (b) False
7. 7.♿ Does this help everyone, or make the app harder to use: sudden loud sounds? (a) helps everyone (b) makes it harder
8. 8.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
   Body text: 21 px
   Label: 16 px
   Footer: 21 px
   Caption: 14 px
9. 9.♿ Showing right or wrong only in red and green is a problem for ___. (a) the server (b) fast typists (c) the battery (d) colour-blind users
10. 10.True or false: “colour as the only clue” helps everyone use the app. (a) False (b) True
11. 11.Which of these makes the app harder to use? (a) text that can grow (b) captions on videos (c) big touch targets (d) tiny tap areas
12. 12.♿ What should every icon-only button have for screen readers? (a) a text label (b) a bright colour (c) a long animation (d) a sound
13. 13.♿ Accessibility means an app works for ___. (a) only the coder (b) everyone (c) nobody (d) only experts
14. 14.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Footer: 12 px
    Hint: 19 px
    Caption: 21 px (a) Caption (b) Footer (c) Hint
15. 15.True or false: “strong colour contrast” makes the app harder to use. (a) True (b) False
16. 16.🔍 Which is the odd one out? (a) big touch targets (b) text that can grow (c) labels on every icon (d) colour as the only clue
17. 17.Which of these helps everyone use the app? (a) strong colour contrast (b) colour as the only clue (c) fast-flashing lights (d) icons with no labels
18. 18.🔍 Which is the odd one out? (a) tiny tap areas (b) sudden loud sounds (c) big touch targets (d) icons with no labels
19. 19.♿ Does this help everyone, or make the app harder to use: big touch targets? (a) helps everyone (b) makes it harder
20. 20.♿ Does this help everyone, or make the app harder to use: strong colour contrast? (a) helps everyone (b) makes it harder
21. 21.True or false: “big touch targets” makes the app harder to use. (a) True (b) False
22. 22.Which of these helps everyone use the app? (a) labels on every icon (b) tiny tap areas (c) colour as the only clue (d) sudden loud sounds
23. 23.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
    Title: 22 px
    Footer: 23 px
    Caption: 13 px
24. 24.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Caption: 10 px
    Footer: 25 px
    Menu: 22 px
    Label: 19 px
    Body text: 26 px (a) Menu (b) Label (c) Caption (d) Footer
25. 25.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
    Caption: 12 px
    Body text: 14 px
    Title: 13 px
    Footer: 15 px
    Hint: 15 px
26. 26.♿ A screen has 5 icon buttons. Only 4 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. How many texts on this screen are too small?
    Body text: 11 px
    Title: 10 px
    Caption: 17 px
    Label: 24 px
28. 28.♿ A screen has 6 icon buttons. Only 1 of them have a text label for screen readers. How many still need a label?
29. 29.Which of these makes the app harder to use? (a) text that can grow (b) big touch targets (c) labels on every icon (d) fast-flashing lights
30. 30.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Caption: 16 px
    Label: 25 px
    Hint: 19 px
    Menu: 14 px
    Body text: 23 px (a) Label (b) Hint (c) Menu (d) Caption
31. 31.♿ Does this help everyone, or make the app harder to use: labels on every icon? (a) helps everyone (b) makes it harder
32. 32.♿ A screen has 5 icon buttons. Only 3 of them have a text label for screen readers. How many still need a label?
33. 33.♿ Why add captions to videos? (a) to slow them down (b) to hide the sound (c) to add colour (d) so anyone can follow
34. 34.True or false: “captions on videos” helps everyone use the app. (a) True (b) False
35. 35.True or false: “big touch targets” helps everyone use the app. (a) True (b) False
36. 36.True or false: “sudden loud sounds” helps everyone use the app. (a) False (b) True
37. 37.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
    Title: 13 px
    Menu: 16 px
    Footer: 23 px
    Body text: 11 px
38. 38.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Hint: 28 px
    Label: 14 px
    Caption: 19 px
    Menu: 27 px (a) Caption (b) Menu (c) Hint (d) Label
39. 39.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Hint: 20 px
    Label: 23 px
    Caption: 19 px
    Title: 24 px
    Body text: 9 px (a) Caption (b) Body text (c) Hint (d) Label
40. 40.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
    Menu: 23 px
    Footer: 10 px
    Title: 13 px
    Caption: 18 px

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