App Dev Worksheet: Accessibility

App development lesson 13: Accessibility · Set 543 · 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.🔍 Which is the odd one out? (a) icons with no labels (b) tiny tap areas (c) fast-flashing lights (d) text that can grow
2. 2.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
   Menu: 27 px
   Caption: 12 px
   Body text: 25 px
   Footer: 19 px (a) Body text (b) Menu (c) Caption (d) Footer
3. 3.♿ 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
4. 4.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
   Caption: 9 px
   Title: 22 px
   Body text: 28 px (a) Caption (b) Body text (c) Title
5. 5.♿ Does this help everyone, or make the app harder to use: fast-flashing lights? (a) helps everyone (b) makes it harder
6. 6.♿ A screen has 9 icon buttons. Only 1 of them have a text label for screen readers. How many still need a label?
7. 7.♿ Accessibility means an app works for ___. (a) only the coder (b) only experts (c) everyone (d) nobody
8. 8.True or false: “fast-flashing lights” helps everyone use the app. (a) True (b) False
9. 9.♿ Showing right or wrong only in red and green is a problem for ___. (a) fast typists (b) the server (c) colour-blind users (d) the battery
10. 10.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Label: 21 px
    Hint: 22 px
    Menu: 27 px
    Footer: 11 px (a) Hint (b) Footer (c) Menu (d) Label
11. 11.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Label: 16 px
    Title: 25 px
    Body text: 18 px
    Hint: 14 px
    Menu: 25 px (a) Hint (b) Title (c) Body text (d) Label
12. 12.🔍 Which is the odd one out? (a) captions on videos (b) labels on every icon (c) sudden loud sounds (d) big touch targets
13. 13.🔍 Which is the odd one out? (a) text that can grow (b) strong colour contrast (c) big touch targets (d) colour as the only clue
14. 14.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Hint: 20 px
    Body text: 19 px
    Caption: 20 px
    Title: 9 px
    Menu: 25 px (a) Caption (b) Title (c) Hint (d) Body text
15. 15.True or false: “colour as the only clue” makes the app harder to use. (a) False (b) True
16. 16.♿ A screen has 8 icon buttons. Only 4 of them have a text label for screen readers. How many still need a label?
17. 17.♿ What does a screen reader do? (a) plays music (b) makes text tiny (c) takes photos (d) reads the screen aloud
18. 18.True or false: “tiny tap areas” helps everyone use the app. (a) False (b) True
19. 19.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
    Body text: 24 px
    Footer: 14 px
    Label: 15 px
    Menu: 12 px
    Hint: 24 px
20. 20.True or false: “big touch targets” helps everyone use the app. (a) True (b) False
21. 21.Which of these makes the app harder to use? (a) labels on every icon (b) fast-flashing lights (c) text that can grow (d) captions on videos
22. 22.♿ Does this help everyone, or make the app harder to use: strong colour contrast? (a) makes it harder (b) helps everyone
23. 23.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Label: 10 px
    Hint: 27 px
    Body text: 22 px (a) Hint (b) Label (c) Body text
24. 24.Which of these helps everyone use the app? (a) colour as the only clue (b) icons with no labels (c) strong colour contrast (d) tiny tap areas
25. 25.Which of these helps everyone use the app? (a) tiny tap areas (b) fast-flashing lights (c) icons with no labels (d) labels on every icon
26. 26.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Label: 24 px
    Title: 12 px
    Footer: 18 px (a) Footer (b) Label (c) Title
27. 27.♿ Does this help everyone, or make the app harder to use: icons with no labels? (a) helps everyone (b) makes it harder
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.♿ Does this help everyone, or make the app harder to use: captions on videos? (a) makes it harder (b) helps everyone
30. 30.♿ Does this help everyone, or make the app harder to use: text that can grow? (a) makes it harder (b) helps everyone
31. 31.Which of these makes the app harder to use? (a) icons with no labels (b) strong colour contrast (c) text that can grow (d) labels on every icon
32. 32.♿ Does this help everyone, or make the app harder to use: labels on every icon? (a) makes it harder (b) helps everyone
33. 33.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Menu: 25 px
    Hint: 23 px
    Caption: 22 px
    Title: 24 px
    Body text: 9 px (a) Caption (b) Hint (c) Menu (d) Body text
34. 34.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
    Footer: 18 px
    Menu: 17 px
    Body text: 22 px
    Label: 11 px
35. 35.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Menu: 9 px
    Title: 26 px
    Label: 24 px
    Caption: 28 px
    Footer: 22 px (a) Menu (b) Label (c) Title (d) Caption
36. 36.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Body text: 14 px
    Hint: 16 px
    Footer: 17 px
    Menu: 18 px
    Title: 27 px (a) Menu (b) Hint (c) Body text (d) Footer
37. 37.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Footer: 21 px
    Caption: 19 px
    Title: 10 px (a) Title (b) Caption (c) Footer
38. 38.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Caption: 21 px
    Title: 10 px
    Hint: 17 px
    Body text: 28 px
    Menu: 20 px (a) Body text (b) Hint (c) Caption (d) Title
39. 39.♿ A screen has 7 icon buttons. Only 5 of them have a text label for screen readers. How many still need a label?
40. 40.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
    Footer: 15 px
    Hint: 19 px
    Label: 23 px

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