App Dev Worksheet: Accessibility

App development lesson 13: Accessibility · Set 790 · 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?
   Body text: 14 px
   Hint: 20 px
   Caption: 24 px (a) Caption (b) Hint (c) Body text
2. 2.Which of these makes the app harder to use? (a) strong colour contrast (b) captions on videos (c) text that can grow (d) tiny tap areas
3. 3.♿ Does this help everyone, or make the app harder to use: tiny tap areas? (a) helps everyone (b) makes it harder
4. 4.Which of these makes the app harder to use? (a) colour as the only clue (b) captions on videos (c) text that can grow (d) big touch targets
5. 5.🔍 Which is the odd one out? (a) strong colour contrast (b) text that can grow (c) big touch targets (d) icons with no labels
6. 6.♿ Does this help everyone, or make the app harder to use: colour as the only clue? (a) makes it harder (b) helps everyone
7. 7.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
   Hint: 17 px
   Title: 24 px
   Menu: 21 px
   Caption: 17 px
8. 8.♿ Does this help everyone, or make the app harder to use: icons with no labels? (a) helps everyone (b) makes it harder
9. 9.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
   Body text: 9 px
   Title: 28 px
   Hint: 23 px (a) Title (b) Hint (c) Body text
10. 10.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Title: 18 px
    Menu: 22 px
    Footer: 9 px (a) Title (b) Menu (c) Footer
11. 11.Which of these helps everyone use the app? (a) fast-flashing lights (b) captions on videos (c) sudden loud sounds (d) icons with no labels
12. 12.♿ A screen has 11 icon buttons. Only 5 of them have a text label for screen readers. How many still need a label?
13. 13.♿ Does this help everyone, or make the app harder to use: text that can grow? (a) makes it harder (b) helps everyone
14. 14.♿ Does this help everyone, or make the app harder to use: big touch targets? (a) makes it harder (b) helps everyone
15. 15.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Footer: 11 px
    Title: 28 px
    Caption: 18 px (a) Title (b) Caption (c) Footer
16. 16.♿ What does a screen reader do? (a) reads the screen aloud (b) plays music (c) makes text tiny (d) takes photos
17. 17.True or false: “strong colour contrast” makes the app harder to use. (a) False (b) True
18. 18.♿ A screen has 10 icon buttons. Only 6 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
    Title: 20 px
    Hint: 27 px (a) Label (b) Hint (c) Menu (d) Title
20. 20.♿ A screen has 10 icon buttons. Only 2 of them have a text label for screen readers. How many still need a label?
21. 21.♿ What should every icon-only button have for screen readers? (a) a text label (b) a sound (c) a bright colour (d) a long animation
22. 22.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Label: 23 px
    Title: 24 px
    Hint: 19 px
    Body text: 19 px
    Menu: 14 px (a) Title (b) Menu (c) Label (d) Hint
23. 23.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
    Title: 12 px
    Caption: 10 px
    Label: 21 px
    Menu: 20 px
    Hint: 12 px
24. 24.♿ Does this help everyone, or make the app harder to use: strong colour contrast? (a) helps everyone (b) makes it harder
25. 25.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
    Body text: 13 px
    Hint: 17 px
    Title: 20 px
26. 26.Which of these makes the app harder to use? (a) captions on videos (b) text that can grow (c) labels on every icon (d) fast-flashing lights
27. 27.Which of these helps everyone use the app? (a) labels on every icon (b) tiny tap areas (c) icons with no labels (d) fast-flashing lights
28. 28.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Footer: 17 px
    Body text: 9 px
    Title: 20 px
    Menu: 16 px
    Label: 28 px (a) Footer (b) Title (c) Menu (d) Body text
29. 29.♿ Why add captions to videos? (a) so anyone can follow (b) to hide the sound (c) to add colour (d) to slow them down
30. 30.True or false: “tiny tap areas” makes the app harder to use. (a) False (b) True
31. 31.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Title: 12 px
    Hint: 26 px
    Label: 16 px (a) Hint (b) Title (c) Label
32. 32.♿ Does this help everyone, or make the app harder to use: sudden loud sounds? (a) makes it harder (b) helps everyone
33. 33.♿ 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
34. 34.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Title: 19 px
    Footer: 19 px
    Body text: 10 px (a) Footer (b) Title (c) Body text
35. 35.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Footer: 17 px
    Title: 28 px
    Menu: 14 px
    Body text: 27 px (a) Footer (b) Menu (c) Body text (d) Title
36. 36.True or false: “captions on videos” helps everyone use the app. (a) True (b) False
37. 37.♿ Does this help everyone, or make the app harder to use: captions on videos? (a) makes it harder (b) helps everyone
38. 38.Which of these helps everyone use the app? (a) sudden loud sounds (b) tiny tap areas (c) text that can grow (d) colour as the only clue
39. 39.Which of these helps everyone use the app? (a) fast-flashing lights (b) tiny tap areas (c) colour as the only clue (d) big touch targets
40. 40.🔍 Which is the odd one out? (a) tiny tap areas (b) fast-flashing lights (c) captions on videos (d) sudden loud sounds

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