App Dev Worksheet: Accessibility

App development lesson 13: Accessibility · Set 658 · 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?
   Hint: 25 px
   Caption: 23 px
   Body text: 9 px
   Menu: 17 px
   Footer: 25 px (a) Hint (b) Body text (c) Menu (d) Caption
2. 2.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
   Caption: 22 px
   Title: 24 px
   Hint: 10 px (a) Hint (b) Title (c) Caption
3. 3.♿ Showing right or wrong only in red and green is a problem for ___. (a) the battery (b) the server (c) colour-blind users (d) fast typists
4. 4.♿ Does this help everyone, or make the app harder to use: tiny tap areas? (a) makes it harder (b) helps everyone
5. 5.♿ A screen has 9 icon buttons. Only 1 of them have a text label for screen readers. How many still need a label?
6. 6.Which of these helps everyone use the app? (a) colour as the only clue (b) fast-flashing lights (c) tiny tap areas (d) big touch targets
7. 7.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
   Body text: 23 px
   Footer: 10 px
   Hint: 16 px
   Menu: 19 px
   Label: 17 px (a) Body text (b) Footer (c) Hint (d) Menu
8. 8.Which of these makes the app harder to use? (a) labels on every icon (b) big touch targets (c) captions on videos (d) tiny tap areas
9. 9.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
   Menu: 21 px
   Footer: 22 px
   Caption: 22 px
   Label: 14 px
   Title: 16 px (a) Caption (b) Label (c) Menu (d) Footer
10. 10.♿ Does this help everyone, or make the app harder to use: fast-flashing lights? (a) helps everyone (b) makes it harder
11. 11.♿ What should every icon-only button have for screen readers? (a) a bright colour (b) a sound (c) a text label (d) a long animation
12. 12.Which of these helps everyone use the app? (a) sudden loud sounds (b) labels on every icon (c) fast-flashing lights (d) icons with no labels
13. 13.🔍 Which is the odd one out? (a) big touch targets (b) text that can grow (c) icons with no labels (d) labels on every icon
14. 14.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Caption: 20 px
    Menu: 11 px
    Footer: 26 px
    Body text: 25 px (a) Caption (b) Footer (c) Menu (d) Body text
15. 15.♿ A screen has 9 icon buttons. Only 6 of them have a text label for screen readers. How many still need a label?
16. 16.♿ What does a screen reader do? (a) plays music (b) takes photos (c) reads the screen aloud (d) makes text tiny
17. 17.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Title: 10 px
    Body text: 23 px
    Footer: 26 px (a) Footer (b) Body text (c) Title
18. 18.♿ A screen has 7 icon buttons. Only 2 of them have a text label for screen readers. How many still need a label?
19. 19.True or false: “text that can grow” helps everyone use the app. (a) False (b) True
20. 20.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Caption: 25 px
    Menu: 24 px
    Body text: 21 px
    Title: 10 px (a) Menu (b) Body text (c) Title (d) Caption
21. 21.True or false: “labels on every icon” makes the app harder to use. (a) False (b) True
22. 22.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Body text: 9 px
    Hint: 24 px
    Label: 24 px
    Caption: 19 px
    Menu: 25 px (a) Hint (b) Body text (c) Caption (d) Label
23. 23.🔍 Which is the odd one out? (a) tiny tap areas (b) text that can grow (c) captions on videos (d) big touch targets
24. 24.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Menu: 18 px
    Footer: 14 px
    Title: 26 px (a) Menu (b) Title (c) Footer
25. 25.♿ Does this help everyone, or make the app harder to use: labels on every icon? (a) makes it harder (b) helps everyone
26. 26.Which of these makes the app harder to use? (a) big touch targets (b) strong colour contrast (c) text that can grow (d) icons with no labels
27. 27.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
    Footer: 19 px
    Label: 23 px
    Caption: 20 px
28. 28.♿ Does this help everyone, or make the app harder to use: big touch targets? (a) helps everyone (b) makes it harder
29. 29.🔍 Which is the odd one out? (a) tiny tap areas (b) text that can grow (c) colour as the only clue (d) icons with no labels
30. 30.Which of these helps everyone use the app? (a) tiny tap areas (b) text that can grow (c) sudden loud sounds (d) colour as the only clue
31. 31.♿ A screen has 8 icon buttons. Only 3 of them have a text label for screen readers. How many still need a label?
32. 32.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Title: 27 px
    Caption: 28 px
    Label: 12 px (a) Title (b) Label (c) Caption
33. 33.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Footer: 28 px
    Label: 14 px
    Menu: 16 px
    Hint: 21 px
    Body text: 18 px (a) Hint (b) Menu (c) Label (d) Footer
34. 34.♿ Why add captions to videos? (a) to add colour (b) so anyone can follow (c) to hide the sound (d) to slow them down
35. 35.♿ Does this help everyone, or make the app harder to use: captions on videos? (a) makes it harder (b) helps everyone
36. 36.♿ A screen has 12 icon buttons. Only 7 of them have a text label for screen readers. How many still need a label?
37. 37.🔍 Which is the odd one out? (a) sudden loud sounds (b) tiny tap areas (c) labels on every icon (d) icons with no labels
38. 38.🔍 Which is the odd one out? (a) strong colour contrast (b) colour as the only clue (c) tiny tap areas (d) icons with no labels
39. 39.🔍 Which is the odd one out? (a) captions on videos (b) labels on every icon (c) sudden loud sounds (d) strong colour contrast
40. 40.♿ A screen has 6 icon buttons. Only 2 of them have a text label for screen readers. How many still need a label?

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