App Dev Worksheet: Accessibility

App development lesson 13: Accessibility · Set 520 · 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.♿ A screen has 6 icon buttons. Only 4 of them have a text label for screen readers. How many still need a label?
2. 2.♿ Why add captions to videos? (a) to slow them down (b) to hide the sound (c) so anyone can follow (d) to add colour
3. 3.True or false: “fast-flashing lights” helps everyone use the app. (a) True (b) False
4. 4.♿ Does this help everyone, or make the app harder to use: strong colour contrast? (a) makes it harder (b) helps everyone
5. 5.♿ 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
6. 6.🔍 Which is the odd one out? (a) captions on videos (b) fast-flashing lights (c) strong colour contrast (d) labels on every icon
7. 7.True or false: “big touch targets” makes the app harder to use. (a) True (b) False
8. 8.True or false: “sudden loud sounds” makes the app harder to use. (a) False (b) True
9. 9.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
   Menu: 28 px
   Body text: 27 px
   Footer: 16 px
   Title: 12 px
   Label: 24 px (a) Footer (b) Menu (c) Title (d) Body text
10. 10.♿ What does a screen reader do? (a) reads the screen aloud (b) plays music (c) makes text tiny (d) takes photos
11. 11.True or false: “text that can grow” makes the app harder to use. (a) True (b) False
12. 12.🔍 Which is the odd one out? (a) fast-flashing lights (b) text that can grow (c) sudden loud sounds (d) tiny tap areas
13. 13.True or false: “labels on every icon” helps everyone use the app. (a) True (b) False
14. 14.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
    Title: 22 px
    Caption: 10 px
    Footer: 12 px
15. 15.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Footer: 20 px
    Menu: 10 px
    Label: 23 px
    Caption: 19 px (a) Menu (b) Label (c) Footer (d) Caption
16. 16.♿ Accessibility means an app works for ___. (a) everyone (b) only the coder (c) nobody (d) only experts
17. 17.🔍 Which is the odd one out? (a) tiny tap areas (b) colour as the only clue (c) sudden loud sounds (d) strong colour contrast
18. 18.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Caption: 28 px
    Footer: 9 px
    Hint: 16 px (a) Caption (b) Hint (c) Footer
19. 19.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Label: 20 px
    Menu: 23 px
    Caption: 19 px
    Hint: 28 px
    Title: 14 px (a) Menu (b) Label (c) Caption (d) Title
20. 20.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Caption: 26 px
    Label: 13 px
    Title: 18 px
    Hint: 24 px (a) Title (b) Hint (c) Label (d) Caption
21. 21.🔍 Which is the odd one out? (a) labels on every icon (b) tiny tap areas (c) text that can grow (d) big touch targets
22. 22.Which of these helps everyone use the app? (a) sudden loud sounds (b) strong colour contrast (c) icons with no labels (d) fast-flashing lights
23. 23.True or false: “icons with no labels” makes the app harder to use. (a) False (b) True
24. 24.♿ Does this help everyone, or make the app harder to use: tiny tap areas? (a) helps everyone (b) makes it harder
25. 25.♿ Does this help everyone, or make the app harder to use: fast-flashing lights? (a) helps everyone (b) makes it harder
26. 26.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Menu: 9 px
    Caption: 24 px
    Label: 23 px
    Footer: 23 px
    Body text: 25 px (a) Label (b) Caption (c) Footer (d) Menu
27. 27.Which of these makes the app harder to use? (a) labels on every icon (b) big touch targets (c) fast-flashing lights (d) text that can grow
28. 28.♿ Does this help everyone, or make the app harder to use: sudden loud sounds? (a) makes it harder (b) helps everyone
29. 29.♿ A screen has 12 icon buttons. Only 9 of them have a text label for screen readers. How many still need a label?
30. 30.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Caption: 28 px
    Body text: 16 px
    Title: 22 px
    Menu: 11 px
    Hint: 25 px (a) Title (b) Menu (c) Caption (d) Body text
31. 31.True or false: “tiny tap areas” makes the app harder to use. (a) False (b) True
32. 32.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Body text: 24 px
    Title: 14 px
    Footer: 18 px
    Caption: 17 px
    Label: 17 px (a) Caption (b) Footer (c) Body text (d) Title
33. 33.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Title: 18 px
    Footer: 14 px
    Caption: 25 px
    Hint: 26 px (a) Caption (b) Hint (c) Footer (d) Title
34. 34.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Caption: 10 px
    Label: 26 px
    Hint: 23 px
    Menu: 26 px (a) Hint (b) Caption (c) Label (d) Menu
35. 35.♿ A screen has 12 icon buttons. Only 7 of them have a text label for screen readers. How many still need a label?
36. 36.♿ A screen has 5 icon buttons. Only 3 of them have a text label for screen readers. How many still need a label?
37. 37.♿ A screen has 10 icon buttons. Only 5 of them have a text label for screen readers. How many still need a label?
38. 38.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
    Caption: 20 px
    Label: 21 px
    Title: 19 px
    Menu: 13 px
39. 39.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Footer: 11 px
    Label: 16 px
    Caption: 26 px
    Hint: 28 px (a) Hint (b) Label (c) Footer (d) Caption
40. 40.🔍 Which is the odd one out? (a) colour as the only clue (b) strong colour contrast (c) captions on videos (d) labels on every icon

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