App Dev Worksheet: Accessibility

App development lesson 13: Accessibility · Set 288 · 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 is the odd one out? (a) tiny tap areas (b) colour as the only clue (c) icons with no labels (d) labels on every icon
3. 3.♿ 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
4. 4.♿ Does this help everyone, or make the app harder to use: text that can grow? (a) makes it harder (b) helps everyone
5. 5.♿ Does this help everyone, or make the app harder to use: icons with no labels? (a) helps everyone (b) makes it harder
6. 6.Which of these makes the app harder to use? (a) labels on every icon (b) big touch targets (c) text that can grow (d) fast-flashing lights
7. 7.Which of these makes the app harder to use? (a) strong colour contrast (b) labels on every icon (c) big touch targets (d) sudden loud sounds
8. 8.Which of these helps everyone use the app? (a) icons with no labels (b) fast-flashing lights (c) labels on every icon (d) sudden loud sounds
9. 9.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
   Hint: 13 px
   Label: 26 px
   Title: 23 px (a) Hint (b) Title (c) Label
10. 10.True or false: “tiny tap areas” helps everyone use the app. (a) True (b) False
11. 11.🔍 Which is the odd one out? (a) sudden loud sounds (b) colour as the only clue (c) strong colour contrast (d) tiny tap areas
12. 12.True or false: “strong colour contrast” helps everyone use the app. (a) True (b) False
13. 13.♿ A screen has 6 icon buttons. Only 2 of them have a text label for screen readers. How many still need a label?
14. 14.♿ Accessibility means an app works for ___. (a) only experts (b) only the coder (c) nobody (d) everyone
15. 15.Which of these helps everyone use the app? (a) icons with no labels (b) colour as the only clue (c) text that can grow (d) tiny tap areas
16. 16.True or false: “sudden loud sounds” helps everyone use the app. (a) False (b) True
17. 17.♿ Why add captions to videos? (a) to add colour (b) so anyone can follow (c) to hide the sound (d) to slow them down
18. 18.♿ Does this help everyone, or make the app harder to use: captions on videos? (a) makes it harder (b) helps everyone
19. 19.True or false: “labels on every icon” makes the app harder to use. (a) True (b) False
20. 20.Which of these helps everyone use the app? (a) tiny tap areas (b) sudden loud sounds (c) icons with no labels (d) strong colour contrast
21. 21.♿ What does a screen reader do? (a) plays music (b) takes photos (c) makes text tiny (d) reads the screen aloud
22. 22.♿ What should every icon-only button have for screen readers? (a) a long animation (b) a sound (c) a bright colour (d) a text label
23. 23.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
24. 24.🔍 Which is the odd one out? (a) labels on every icon (b) captions on videos (c) strong colour contrast (d) fast-flashing lights
25. 25.♿ A screen has 5 icon buttons. Only 2 of them have a text label for screen readers. How many still need a label?
26. 26.♿ A screen has 12 icon buttons. Only 3 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?
    Label: 19 px
    Menu: 20 px
    Hint: 14 px
    Body text: 27 px (a) Label (b) Hint (c) Menu (d) Body text
28. 28.🔍 Which is the odd one out? (a) colour as the only clue (b) strong colour contrast (c) captions on videos (d) text that can grow
29. 29.♿ A screen has 11 icon buttons. Only 2 of them have a text label for screen readers. How many still need a label?
30. 30.True or false: “colour as the only clue” helps everyone use the app. (a) True (b) False
31. 31.Which of these helps everyone use the app? (a) sudden loud sounds (b) tiny tap areas (c) icons with no labels (d) captions on videos
32. 32.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
    Caption: 15 px
    Menu: 23 px
    Body text: 23 px
33. 33.♿ Does this help everyone, or make the app harder to use: big touch targets? (a) makes it harder (b) helps everyone
34. 34.♿ Does this help everyone, or make the app harder to use: labels on every icon? (a) makes it harder (b) helps everyone
35. 35.♿ Does this help everyone, or make the app harder to use: strong colour contrast? (a) makes it harder (b) helps everyone
36. 36.♿ A screen has 9 icon buttons. Only 5 of them have a text label for screen readers. How many still need a label?
37. 37.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
    Body text: 10 px
    Caption: 13 px
    Menu: 11 px
38. 38.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
    Footer: 18 px
    Title: 19 px
    Body text: 11 px
    Hint: 11 px
    Menu: 15 px
39. 39.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
    Body text: 22 px
    Label: 18 px
    Footer: 14 px
    Menu: 22 px
    Hint: 18 px
40. 40.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Label: 18 px
    Menu: 17 px
    Footer: 28 px
    Hint: 18 px
    Body text: 9 px (a) Label (b) Footer (c) Body text (d) Menu

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