App Dev Worksheet: Accessibility

App development lesson 13: Accessibility · Set 511 · 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: 22 px
   Footer: 16 px
   Caption: 25 px
   Hint: 11 px (a) Caption (b) Footer (c) Menu (d) Hint
2. 2.🔍 Which is the odd one out? (a) labels on every icon (b) big touch targets (c) text that can grow (d) icons with no labels
3. 3.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
   Footer: 18 px
   Caption: 17 px
   Menu: 11 px
   Body text: 24 px
4. 4.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
   Title: 15 px
   Body text: 19 px
   Caption: 10 px
5. 5.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
   Label: 12 px
   Caption: 17 px
   Menu: 20 px
   Title: 18 px
   Body text: 28 px (a) Menu (b) Label (c) Caption (d) Title
6. 6.🔍 Which is the odd one out? (a) big touch targets (b) labels on every icon (c) strong colour contrast (d) tiny tap areas
7. 7.♿ What should every icon-only button have for screen readers? (a) a bright colour (b) a sound (c) a long animation (d) a text label
8. 8.♿ Does this help everyone, or make the app harder to use: captions on videos? (a) makes it harder (b) helps everyone
9. 9.♿ Does this help everyone, or make the app harder to use: icons with no labels? (a) helps everyone (b) makes it harder
10. 10.♿ What does a screen reader do? (a) plays music (b) takes photos (c) makes text tiny (d) reads the screen aloud
11. 11.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
    Title: 13 px
    Caption: 15 px
    Body text: 24 px
    Menu: 11 px
    Footer: 24 px
12. 12.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Label: 12 px
    Title: 25 px
    Hint: 18 px (a) Hint (b) Label (c) Title
13. 13.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
    Body text: 23 px
    Hint: 17 px
    Title: 16 px
14. 14.Which of these helps everyone use the app? (a) big touch targets (b) icons with no labels (c) fast-flashing lights (d) colour as the only clue
15. 15.♿ A screen has 8 icon buttons. Only 4 of them have a text label for screen readers. How many still need a label?
16. 16.♿ Does this help everyone, or make the app harder to use: big touch targets? (a) makes it harder (b) helps everyone
17. 17.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Caption: 12 px
    Footer: 26 px
    Title: 18 px (a) Title (b) Caption (c) Footer
18. 18.Which of these makes the app harder to use? (a) big touch targets (b) text that can grow (c) tiny tap areas (d) labels on every icon
19. 19.True or false: “captions on videos” 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?
    Menu: 13 px
    Footer: 22 px
    Caption: 20 px (a) Caption (b) Menu (c) Footer
21. 21.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
    Footer: 16 px
    Hint: 13 px
    Label: 12 px
22. 22.♿ Showing right or wrong only in red and green is a problem for ___. (a) the server (b) fast typists (c) the battery (d) colour-blind users
23. 23.🔍 Which is the odd one out? (a) text that can grow (b) fast-flashing lights (c) big touch targets (d) captions on videos
24. 24.Which of these makes the app harder to use? (a) text that can grow (b) fast-flashing lights (c) big touch targets (d) labels on every icon
25. 25.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Title: 27 px
    Label: 13 px
    Caption: 22 px
    Footer: 24 px (a) Caption (b) Title (c) Label (d) Footer
26. 26.♿ A screen has 9 icon buttons. Only 2 of them have a text label for screen readers. How many still need a label?
27. 27.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Body text: 17 px
    Hint: 13 px
    Caption: 19 px (a) Body text (b) Caption (c) Hint
28. 28.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Body text: 24 px
    Title: 17 px
    Footer: 14 px
    Menu: 24 px (a) Menu (b) Body text (c) Footer (d) Title
29. 29.True or false: “big touch targets” makes the app harder to use. (a) False (b) True
30. 30.🔍 Which is the odd one out? (a) labels on every icon (b) colour as the only clue (c) sudden loud sounds (d) icons with no labels
31. 31.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
    Title: 19 px
    Hint: 19 px
    Caption: 11 px
    Footer: 15 px
32. 32.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
    Footer: 10 px
    Body text: 20 px
    Caption: 21 px
    Hint: 17 px
33. 33.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Body text: 23 px
    Label: 10 px
    Footer: 22 px
    Menu: 25 px
    Hint: 24 px (a) Menu (b) Body text (c) Label (d) Footer
34. 34.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Title: 22 px
    Menu: 12 px
    Footer: 18 px
    Hint: 16 px
    Label: 25 px (a) Footer (b) Hint (c) Menu (d) Title
35. 35.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Caption: 22 px
    Footer: 12 px
    Body text: 18 px
    Title: 22 px (a) Footer (b) Body text (c) Caption (d) Title
36. 36.♿ A screen has 9 icon buttons. Only 5 of them have a text label for screen readers. How many still need a label?
37. 37.♿ Does this help everyone, or make the app harder to use: sudden loud sounds? (a) makes it harder (b) helps everyone
38. 38.♿ A screen has 7 icon buttons. Only 1 of them have a text label for screen readers. How many still need a label?
39. 39.Which of these makes the app harder to use? (a) icons with no labels (b) strong colour contrast (c) labels on every icon (d) text that can grow
40. 40.♿ Does this help everyone, or make the app harder to use: strong colour contrast? (a) helps everyone (b) makes it harder

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