App Dev Worksheet: Accessibility

App development lesson 13: Accessibility · Set 69 · 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 is the odd one out? (a) strong colour contrast (b) icons with no labels (c) colour as the only clue (d) fast-flashing lights
2. 2.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
   Title: 26 px
   Body text: 11 px
   Footer: 28 px (a) Footer (b) Title (c) Body text
3. 3.True or false: “icons with no labels” helps everyone use the app. (a) True (b) False
4. 4.True or false: “icons with no labels” makes the app harder to use. (a) False (b) True
5. 5.♿ A screen has 9 icon buttons. Only 2 of them have a text label for screen readers. How many still need a label?
6. 6.True or false: “sudden loud sounds” helps everyone use the app. (a) True (b) False
7. 7.♿ Does this help everyone, or make the app harder to use: icons with no labels? (a) helps everyone (b) makes it harder
8. 8.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
   Body text: 20 px
   Hint: 18 px
   Menu: 12 px
   Footer: 16 px (a) Menu (b) Footer (c) Body text (d) Hint
9. 9.♿ Does this help everyone, or make the app harder to use: labels on every icon? (a) makes it harder (b) helps everyone
10. 10.♿ A screen has 10 icon buttons. Only 7 of them have a text label for screen readers. How many still need a label?
11. 11.♿ Why add captions to videos? (a) to slow them down (b) so anyone can follow (c) to hide the sound (d) to add colour
12. 12.Which of these helps everyone use the app? (a) labels on every icon (b) sudden loud sounds (c) tiny tap areas (d) fast-flashing lights
13. 13.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
    Caption: 13 px
    Menu: 23 px
    Title: 11 px
14. 14.🔍 Which is the odd one out? (a) fast-flashing lights (b) sudden loud sounds (c) colour as the only clue (d) captions on videos
15. 15.🔍 Which is the odd one out? (a) fast-flashing lights (b) big touch targets (c) labels on every icon (d) text that can grow
16. 16.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Title: 21 px
    Body text: 20 px
    Menu: 12 px
    Hint: 16 px
    Footer: 17 px (a) Hint (b) Body text (c) Title (d) Menu
17. 17.♿ Does this help everyone, or make the app harder to use: sudden loud sounds? (a) makes it harder (b) helps everyone
18. 18.Which of these helps everyone use the app? (a) colour as the only clue (b) fast-flashing lights (c) strong colour contrast (d) icons with no labels
19. 19.Which of these helps everyone use the app? (a) colour as the only clue (b) tiny tap areas (c) big touch targets (d) sudden loud sounds
20. 20.♿ What does a screen reader do? (a) plays music (b) takes photos (c) reads the screen aloud (d) makes text tiny
21. 21.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
    Footer: 21 px
    Label: 10 px
    Title: 21 px
22. 22.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Menu: 25 px
    Title: 10 px
    Label: 23 px (a) Label (b) Title (c) Menu
23. 23.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
    Hint: 13 px
    Footer: 18 px
    Caption: 16 px
    Body text: 22 px
    Label: 23 px
24. 24.True or false: “colour as the only clue” helps everyone use the app. (a) True (b) False
25. 25.♿ What should every icon-only button have for screen readers? (a) a long animation (b) a text label (c) a sound (d) a bright colour
26. 26.True or false: “labels on every icon” helps everyone use the app. (a) False (b) True
27. 27.True or false: “captions on videos” makes the app harder to use. (a) True (b) False
28. 28.♿ A screen has 10 icon buttons. Only 5 of them have a text label for screen readers. How many still need a label?
29. 29.♿ Accessibility means an app works for ___. (a) everyone (b) nobody (c) only experts (d) only the coder
30. 30.🔍 Which is the odd one out? (a) sudden loud sounds (b) icons with no labels (c) fast-flashing lights (d) text that can grow
31. 31.Which of these helps everyone use the app? (a) text that can grow (b) colour as the only clue (c) fast-flashing lights (d) sudden loud sounds
32. 32.🔍 Which is the odd one out? (a) text that can grow (b) tiny tap areas (c) labels on every icon (d) big touch targets
33. 33.True or false: “colour as the only clue” makes the app harder to use. (a) True (b) False
34. 34.♿ A screen has 8 icon buttons. Only 2 of them have a text label for screen readers. How many still need a label?
35. 35.True or false: “tiny tap areas” helps everyone use the app. (a) True (b) False
36. 36.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
    Caption: 16 px
    Body text: 20 px
    Title: 24 px
    Hint: 12 px
37. 37.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Body text: 28 px
    Caption: 14 px
    Menu: 17 px (a) Menu (b) Body text (c) Caption
38. 38.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
    Footer: 24 px
    Menu: 13 px
    Caption: 12 px
39. 39.♿ Does this help everyone, or make the app harder to use: captions on videos? (a) makes it harder (b) helps everyone
40. 40.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
    Label: 10 px
    Hint: 14 px
    Footer: 21 px

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