App Dev Worksheet: Accessibility

App development lesson 13: Accessibility · Set 180 · 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) fast-flashing lights (b) icons with no labels (c) tiny tap areas (d) labels on every icon
2. 2.♿ What should every icon-only button have for screen readers? (a) a sound (b) a long animation (c) a text label (d) a bright colour
3. 3.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
   Body text: 19 px
   Footer: 23 px
   Caption: 10 px (a) Body text (b) Caption (c) Footer
4. 4.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
   Body text: 22 px
   Hint: 28 px
   Title: 13 px
   Caption: 19 px (a) Caption (b) Hint (c) Body text (d) Title
5. 5.♿ A screen has 10 icon buttons. Only 9 of them have a text label for screen readers. How many still need a label?
6. 6.🔍 Which is the odd one out? (a) strong colour contrast (b) labels on every icon (c) colour as the only clue (d) text that can grow
7. 7.♿ What does a screen reader do? (a) reads the screen aloud (b) plays music (c) makes text tiny (d) takes photos
8. 8.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
   Caption: 26 px
   Menu: 23 px
   Hint: 12 px (a) Caption (b) Menu (c) Hint
9. 9.🔍 Which is the odd one out? (a) tiny tap areas (b) big touch targets (c) colour as the only clue (d) fast-flashing lights
10. 10.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
    Body text: 21 px
    Caption: 14 px
    Footer: 11 px
11. 11.♿ Accessibility means an app works for ___. (a) only the coder (b) nobody (c) everyone (d) only experts
12. 12.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
    Menu: 15 px
    Label: 17 px
    Hint: 15 px
13. 13.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Menu: 17 px
    Footer: 18 px
    Caption: 13 px (a) Footer (b) Menu (c) Caption
14. 14.Which of these helps everyone use the app? (a) fast-flashing lights (b) icons with no labels (c) tiny tap areas (d) captions on videos
15. 15.♿ Does this help everyone, or make the app harder to use: text that can grow? (a) helps everyone (b) makes it harder
16. 16.♿ Does this help everyone, or make the app harder to use: tiny tap areas? (a) makes it harder (b) helps everyone
17. 17.🔍 Which is the odd one out? (a) strong colour contrast (b) captions on videos (c) tiny tap areas (d) big touch targets
18. 18.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Footer: 22 px
    Hint: 10 px
    Title: 18 px
    Body text: 17 px (a) Hint (b) Body text (c) Title (d) Footer
19. 19.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Label: 26 px
    Footer: 11 px
    Title: 22 px
    Menu: 18 px
    Body text: 19 px (a) Footer (b) Menu (c) Label (d) Title
20. 20.True or false: “colour as the only clue” makes the app harder to use. (a) True (b) False
21. 21.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Label: 16 px
    Hint: 21 px
    Caption: 11 px
    Body text: 26 px
    Title: 27 px (a) Body text (b) Label (c) Caption (d) Hint
22. 22.True or false: “captions on videos” makes the app harder to use. (a) False (b) True
23. 23.♿ Does this help everyone, or make the app harder to use: labels on every icon? (a) makes it harder (b) helps everyone
24. 24.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Title: 25 px
    Footer: 14 px
    Body text: 16 px (a) Footer (b) Body text (c) Title
25. 25.♿ Does this help everyone, or make the app harder to use: sudden loud sounds? (a) helps everyone (b) makes it harder
26. 26.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
    Body text: 13 px
    Menu: 16 px
    Title: 22 px
    Hint: 22 px
27. 27.True or false: “text that can grow” makes the app harder to use. (a) True (b) False
28. 28.♿ Does this help everyone, or make the app harder to use: colour as the only clue? (a) makes it harder (b) helps everyone
29. 29.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Hint: 11 px
    Footer: 19 px
    Body text: 19 px
    Title: 17 px
    Label: 21 px (a) Hint (b) Footer (c) Body text (d) Title
30. 30.♿ Does this help everyone, or make the app harder to use: big touch targets? (a) helps everyone (b) makes it harder
31. 31.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Caption: 17 px
    Title: 12 px
    Label: 17 px
    Footer: 18 px
    Hint: 20 px (a) Label (b) Footer (c) Caption (d) Title
32. 32.True or false: “labels on every icon” helps everyone use the app. (a) True (b) False
33. 33.♿ Why add captions to videos? (a) to slow them down (b) to add colour (c) to hide the sound (d) so anyone can follow
34. 34.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
    Footer: 19 px
    Title: 18 px
    Menu: 20 px
    Label: 10 px
    Caption: 14 px
35. 35.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
    Label: 19 px
    Menu: 23 px
    Title: 14 px
    Hint: 20 px
36. 36.🔍 Which is the odd one out? (a) fast-flashing lights (b) icons with no labels (c) tiny tap areas (d) strong colour contrast
37. 37.♿ A screen has 6 icon buttons. Only 4 of them have a text label for screen readers. How many still need a label?
38. 38.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Label: 9 px
    Body text: 18 px
    Menu: 24 px (a) Label (b) Body text (c) Menu
39. 39.Which of these helps everyone use the app? (a) fast-flashing lights (b) big touch targets (c) tiny tap areas (d) colour as the only clue
40. 40.🔍 Which is the odd one out? (a) strong colour contrast (b) sudden loud sounds (c) captions on videos (d) labels on every icon

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