App Dev Worksheet: Accessibility

App development lesson 13: Accessibility · Set 647 · 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.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
   Menu: 9 px
   Label: 23 px
   Footer: 25 px
   Hint: 21 px (a) Label (b) Footer (c) Hint (d) Menu
2. 2.🔍 Which is the odd one out? (a) icons with no labels (b) strong colour contrast (c) text that can grow (d) captions on videos
3. 3.🔍 Which is the odd one out? (a) colour as the only clue (b) text that can grow (c) icons with no labels (d) fast-flashing lights
4. 4.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
   Menu: 18 px
   Hint: 21 px
   Body text: 10 px
   Label: 28 px (a) Body text (b) Menu (c) Label (d) Hint
5. 5.♿ What does a screen reader do? (a) takes photos (b) reads the screen aloud (c) makes text tiny (d) plays music
6. 6.🔍 Which is the odd one out? (a) big touch targets (b) tiny tap areas (c) colour as the only clue (d) fast-flashing lights
7. 7.Which of these makes the app harder to use? (a) text that can grow (b) big touch targets (c) sudden loud sounds (d) labels on every icon
8. 8.♿ Accessibility means an app works for ___. (a) everyone (b) nobody (c) only the coder (d) only experts
9. 9.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
   Caption: 25 px
   Title: 18 px
   Hint: 13 px
   Footer: 16 px (a) Title (b) Hint (c) Caption (d) Footer
10. 10.♿ A screen has 6 icon buttons. Only 4 of them have a text label for screen readers. How many still need a label?
11. 11.♿ Does this help everyone, or make the app harder to use: fast-flashing lights? (a) helps everyone (b) makes it harder
12. 12.♿ Showing right or wrong only in red and green is a problem for ___. (a) the battery (b) fast typists (c) colour-blind users (d) the server
13. 13.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Footer: 17 px
    Title: 28 px
    Label: 9 px (a) Footer (b) Label (c) Title
14. 14.♿ Why add captions to videos? (a) to hide the sound (b) to slow them down (c) to add colour (d) so anyone can follow
15. 15.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
    Footer: 18 px
    Hint: 13 px
    Caption: 12 px
    Body text: 17 px
16. 16.True or false: “colour as the only clue” helps everyone use the app. (a) False (b) True
17. 17.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
    Title: 23 px
    Menu: 17 px
    Body text: 22 px
18. 18.Which of these helps everyone use the app? (a) tiny tap areas (b) colour as the only clue (c) fast-flashing lights (d) labels on every icon
19. 19.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Hint: 27 px
    Menu: 18 px
    Caption: 19 px
    Title: 10 px
    Body text: 27 px (a) Caption (b) Hint (c) Title (d) Menu
20. 20.🔍 Which is the odd one out? (a) colour as the only clue (b) icons with no labels (c) tiny tap areas (d) strong colour contrast
21. 21.🔍 Which is the odd one out? (a) big touch targets (b) captions on videos (c) strong colour contrast (d) tiny tap areas
22. 22.True or false: “icons with no labels” helps everyone use the app. (a) False (b) True
23. 23.♿ Does this help everyone, or make the app harder to use: strong colour contrast? (a) helps everyone (b) makes it harder
24. 24.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
    Footer: 10 px
    Body text: 20 px
    Label: 20 px
25. 25.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
    Body text: 17 px
    Hint: 21 px
    Caption: 17 px
    Footer: 15 px
    Title: 18 px
26. 26.🔍 Which is the odd one out? (a) big touch targets (b) labels on every icon (c) strong colour contrast (d) fast-flashing lights
27. 27.True or false: “tiny tap areas” helps everyone use the app. (a) True (b) False
28. 28.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
    Hint: 21 px
    Caption: 18 px
    Label: 12 px
29. 29.Which of these helps everyone use the app? (a) big touch targets (b) fast-flashing lights (c) sudden loud sounds (d) icons with no labels
30. 30.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Menu: 19 px
    Footer: 17 px
    Hint: 28 px
    Title: 9 px
    Body text: 16 px (a) Title (b) Menu (c) Hint (d) Footer
31. 31.♿ Does this help everyone, or make the app harder to use: icons with no labels? (a) makes it harder (b) helps everyone
32. 32.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
    Menu: 11 px
    Label: 16 px
    Title: 11 px
33. 33.True or false: “big touch targets” helps everyone use the app. (a) False (b) True
34. 34.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Title: 14 px
    Hint: 17 px
    Footer: 22 px (a) Footer (b) Title (c) Hint
35. 35.♿ Does this help everyone, or make the app harder to use: sudden loud sounds? (a) helps everyone (b) makes it harder
36. 36.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Body text: 26 px
    Title: 27 px
    Hint: 10 px
    Footer: 27 px
    Menu: 23 px (a) Title (b) Footer (c) Hint (d) Body text
37. 37.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Body text: 16 px
    Menu: 25 px
    Label: 13 px (a) Label (b) Body text (c) Menu
38. 38.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
    Body text: 19 px
    Caption: 11 px
    Label: 16 px
    Menu: 13 px
    Footer: 13 px
39. 39.Which of these makes the app harder to use? (a) captions on videos (b) labels on every icon (c) strong colour contrast (d) tiny tap areas
40. 40.True or false: “text that can grow” makes the app harder to use. (a) False (b) True

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