App Dev Worksheet: Accessibility

App development lesson 13: Accessibility · Set 8 · 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: “icons with no labels” helps everyone use the app. (a) True (b) False
2. 2.Which of these makes the app harder to use? (a) big touch targets (b) labels on every icon (c) colour as the only clue (d) captions on videos
3. 3.♿ Does this help everyone, or make the app harder to use: captions on videos? (a) makes it harder (b) helps everyone
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.Which of these makes the app harder to use? (a) captions on videos (b) sudden loud sounds (c) labels on every icon (d) strong colour contrast
6. 6.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
   Menu: 10 px
   Footer: 21 px
   Hint: 15 px
   Title: 12 px
7. 7.♿ A screen has 6 icon buttons. Only 5 of them have a text label for screen readers. How many still need a label?
8. 8.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) fast-flashing lights
9. 9.♿ Showing right or wrong only in red and green is a problem for ___. (a) fast typists (b) the battery (c) the server (d) colour-blind users
10. 10.True or false: “text that can grow” 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?
    Hint: 21 px
    Footer: 10 px
    Menu: 26 px
    Title: 22 px
    Label: 27 px (a) Hint (b) Title (c) Footer (d) Menu
12. 12.♿ What does a screen reader do? (a) makes text tiny (b) reads the screen aloud (c) takes photos (d) plays music
13. 13.🔍 Which is the odd one out? (a) labels on every icon (b) sudden loud sounds (c) strong colour contrast (d) captions on videos
14. 14.♿ What should every icon-only button have for screen readers? (a) a bright colour (b) a text label (c) a sound (d) a long animation
15. 15.♿ Does this help everyone, or make the app harder to use: strong colour contrast? (a) helps everyone (b) makes it harder
16. 16.True or false: “tiny tap areas” helps everyone use the app. (a) True (b) False
17. 17.🔍 Which is the odd one out? (a) captions on videos (b) big touch targets (c) colour as the only clue (d) strong colour contrast
18. 18.♿ A screen has 9 icon buttons. Only 2 of them have a text label for screen readers. How many still need a label?
19. 19.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Menu: 10 px
    Label: 16 px
    Footer: 16 px (a) Menu (b) Label (c) Footer
20. 20.♿ A screen has 7 icon buttons. Only 1 of them have a text label for screen readers. How many still need a label?
21. 21.♿ A screen has 7 icon buttons. Only 5 of them have a text label for screen readers. How many still need a label?
22. 22.♿ A screen has 6 icon buttons. Only 1 of them have a text label for screen readers. How many still need a label?
23. 23.🔍 Which is the odd one out? (a) big touch targets (b) text that can grow (c) tiny tap areas (d) labels on every icon
24. 24.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
    Label: 20 px
    Body text: 14 px
    Footer: 21 px
    Hint: 13 px
    Title: 11 px
25. 25.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
    Title: 15 px
    Caption: 16 px
    Menu: 24 px
    Footer: 14 px
26. 26.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Title: 9 px
    Caption: 16 px
    Body text: 18 px
    Footer: 20 px (a) Footer (b) Title (c) Body text (d) Caption
27. 27.🔍 Which is the odd one out? (a) captions on videos (b) sudden loud sounds (c) fast-flashing lights (d) icons with no labels
28. 28.🔍 Which is the odd one out? (a) fast-flashing lights (b) colour as the only clue (c) sudden loud sounds (d) text that can grow
29. 29.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
    Title: 15 px
    Caption: 11 px
    Hint: 18 px
    Menu: 12 px
    Label: 11 px
30. 30.True or false: “colour as the only clue” helps everyone use the app. (a) False (b) True
31. 31.True or false: “text that can grow” helps everyone use the app. (a) False (b) True
32. 32.True or false: “fast-flashing lights” helps everyone use the app. (a) False (b) True
33. 33.True or false: “icons with no labels” makes the app harder to use. (a) False (b) True
34. 34.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Label: 24 px
    Caption: 9 px
    Footer: 17 px (a) Footer (b) Caption (c) Label
35. 35.🔍 Which is the odd one out? (a) text that can grow (b) fast-flashing lights (c) labels on every icon (d) captions on videos
36. 36.♿ Why add captions to videos? (a) to slow them down (b) to add colour (c) to hide the sound (d) so anyone can follow
37. 37.♿ Does this help everyone, or make the app harder to use: icons with no labels? (a) helps everyone (b) makes it harder
38. 38.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
    Title: 23 px
    Footer: 10 px
    Label: 12 px
39. 39.🔍 Which is the odd one out? (a) fast-flashing lights (b) colour as the only clue (c) tiny tap areas (d) labels on every icon
40. 40.Which of these helps everyone use the app? (a) fast-flashing lights (b) tiny tap areas (c) sudden loud sounds (d) labels on every icon

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