App Dev Worksheet: Accessibility

App development lesson 13: Accessibility · Set 98 · 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: 16 px
   Body text: 16 px
   Footer: 28 px
   Title: 11 px
   Menu: 26 px (a) Footer (b) Hint (c) Title (d) Body text
2. 2.True or false: “colour as the only clue” makes the app harder to use. (a) False (b) True
3. 3.♿ Does this help everyone, or make the app harder to use: captions on videos? (a) helps everyone (b) makes it harder
4. 4.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
   Footer: 23 px
   Hint: 9 px
   Label: 19 px
   Title: 16 px (a) Hint (b) Title (c) Label (d) Footer
5. 5.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
   Caption: 18 px
   Title: 24 px
   Body text: 13 px
   Label: 20 px (a) Caption (b) Body text (c) Title (d) Label
6. 6.Which of these makes the app harder to use? (a) strong colour contrast (b) big touch targets (c) tiny tap areas (d) labels on every icon
7. 7.🔍 Which is the odd one out? (a) text that can grow (b) captions on videos (c) colour as the only clue (d) big touch targets
8. 8.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
   Label: 22 px
   Menu: 21 px
   Title: 13 px
   Footer: 21 px
   Hint: 19 px (a) Footer (b) Title (c) Menu (d) Label
9. 9.♿ What does a screen reader do? (a) makes text tiny (b) plays music (c) takes photos (d) reads the screen aloud
10. 10.Which of these makes the app harder to use? (a) strong colour contrast (b) captions on videos (c) fast-flashing lights (d) labels on every icon
11. 11.🔍 Which is the odd one out? (a) captions on videos (b) tiny tap areas (c) icons with no labels (d) sudden loud sounds
12. 12.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Body text: 18 px
    Label: 25 px
    Title: 20 px
    Menu: 12 px
    Hint: 22 px (a) Label (b) Title (c) Body text (d) Menu
13. 13.♿ Does this help everyone, or make the app harder to use: tiny tap areas? (a) makes it harder (b) helps everyone
14. 14.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Footer: 20 px
    Title: 18 px
    Hint: 11 px (a) Footer (b) Hint (c) Title
15. 15.♿ Why add captions to videos? (a) so anyone can follow (b) to slow them down (c) to add colour (d) to hide the sound
16. 16.♿ Showing right or wrong only in red and green is a problem for ___. (a) the battery (b) colour-blind users (c) the server (d) fast typists
17. 17.Which of these makes the app harder to use? (a) big touch targets (b) text that can grow (c) captions on videos (d) colour as the only clue
18. 18.🔍 Which is the odd one out? (a) icons with no labels (b) fast-flashing lights (c) text that can grow (d) tiny tap areas
19. 19.True or false: “big touch targets” makes the app harder to use. (a) True (b) False
20. 20.♿ Does this help everyone, or make the app harder to use: colour as the only clue? (a) makes it harder (b) helps everyone
21. 21.True or false: “strong colour contrast” helps everyone use the app. (a) True (b) False
22. 22.Which of these helps everyone use the app? (a) sudden loud sounds (b) icons with no labels (c) labels on every icon (d) tiny tap areas
23. 23.♿ Does this help everyone, or make the app harder to use: big touch targets? (a) helps everyone (b) makes it harder
24. 24.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
    Caption: 21 px
    Hint: 24 px
    Footer: 12 px
    Title: 11 px
25. 25.Which of these makes the app harder to use? (a) big touch targets (b) captions on videos (c) strong colour contrast (d) icons with no labels
26. 26.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Body text: 9 px
    Hint: 22 px
    Caption: 25 px
    Menu: 18 px
    Footer: 18 px (a) Hint (b) Body text (c) Caption (d) Menu
27. 27.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Footer: 12 px
    Menu: 20 px
    Hint: 18 px (a) Footer (b) Menu (c) Hint
28. 28.♿ Does this help everyone, or make the app harder to use: strong colour contrast? (a) makes it harder (b) helps everyone
29. 29.True or false: “fast-flashing lights” helps everyone use the app. (a) True (b) False
30. 30.🔍 Which is the odd one out? (a) labels on every icon (b) strong colour contrast (c) text that can grow (d) fast-flashing lights
31. 31.🔍 Which is the odd one out? (a) fast-flashing lights (b) icons with no labels (c) sudden loud sounds (d) big touch targets
32. 32.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Caption: 11 px
    Body text: 21 px
    Label: 27 px
    Hint: 27 px
    Title: 17 px (a) Label (b) Hint (c) Body text (d) Caption
33. 33.♿ Accessibility means an app works for ___. (a) only the coder (b) everyone (c) only experts (d) nobody
34. 34.Which of these helps everyone use the app? (a) big touch targets (b) fast-flashing lights (c) colour as the only clue (d) tiny tap areas
35. 35.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
    Menu: 10 px
    Title: 17 px
    Hint: 24 px
36. 36.True or false: “tiny tap areas” helps everyone use the app. (a) True (b) False
37. 37.True or false: “strong colour contrast” makes the app harder to use. (a) True (b) False
38. 38.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
    Label: 20 px
    Caption: 15 px
    Title: 15 px
    Body text: 19 px
39. 39.♿ A screen has 12 icon buttons. Only 4 of them have a text label for screen readers. How many still need a label?
40. 40.♿ Does this help everyone, or make the app harder to use: fast-flashing lights? (a) makes it harder (b) helps everyone

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