App Dev Worksheet: Accessibility

App development lesson 13: Accessibility · Set 383 · 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: 26 px
   Hint: 18 px
   Label: 9 px
   Body text: 19 px (a) Label (b) Hint (c) Menu (d) Body text
2. 2.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
   Title: 20 px
   Body text: 11 px
   Label: 17 px
   Caption: 18 px
   Menu: 22 px (a) Body text (b) Title (c) Caption (d) Label
3. 3.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
   Menu: 22 px
   Title: 16 px
   Caption: 23 px
   Hint: 12 px (a) Caption (b) Menu (c) Hint (d) Title
4. 4.♿ Does this help everyone, or make the app harder to use: fast-flashing lights? (a) helps everyone (b) makes it harder
5. 5.🔍 Which is the odd one out? (a) captions on videos (b) colour as the only clue (c) tiny tap areas (d) icons with no labels
6. 6.♿ Does this help everyone, or make the app harder to use: sudden loud sounds? (a) makes it harder (b) helps everyone
7. 7.♿ Accessibility means an app works for ___. (a) only the coder (b) only experts (c) nobody (d) everyone
8. 8.♿ A screen has 10 icon buttons. Only 3 of them have a text label for screen readers. How many still need a label?
9. 9.🔍 Which is the odd one out? (a) tiny tap areas (b) labels on every icon (c) fast-flashing lights (d) colour as the only clue
10. 10.♿ A screen has 9 icon buttons. Only 5 of them have a text label for screen readers. How many still need a label?
11. 11.🔍 Which is the odd one out? (a) fast-flashing lights (b) sudden loud sounds (c) big touch targets (d) icons with no labels
12. 12.True or false: “icons with no labels” helps everyone use the app. (a) False (b) True
13. 13.Which of these helps everyone use the app? (a) sudden loud sounds (b) big touch targets (c) fast-flashing lights (d) icons with no labels
14. 14.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Caption: 28 px
    Menu: 16 px
    Title: 11 px
    Footer: 21 px (a) Footer (b) Caption (c) Title (d) Menu
15. 15.🔍 Which is the odd one out? (a) sudden loud sounds (b) fast-flashing lights (c) strong colour contrast (d) icons with no labels
16. 16.True or false: “text that can grow” helps everyone use the app. (a) False (b) True
17. 17.♿ Why add captions to videos? (a) so anyone can follow (b) to slow them down (c) to hide the sound (d) to add colour
18. 18.True or false: “fast-flashing lights” helps everyone use the app. (a) True (b) False
19. 19.Which of these makes the app harder to use? (a) text that can grow (b) labels on every icon (c) big touch targets (d) sudden loud sounds
20. 20.♿ Does this help everyone, or make the app harder to use: captions on videos? (a) helps everyone (b) makes it harder
21. 21.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
    Caption: 19 px
    Title: 19 px
    Footer: 13 px
    Label: 12 px
22. 22.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
    Caption: 19 px
    Menu: 24 px
    Title: 24 px
    Body text: 10 px
    Hint: 16 px
23. 23.🔍 Which is the odd one out? (a) colour as the only clue (b) text that can grow (c) icons with no labels (d) tiny tap areas
24. 24.♿ A screen has 11 icon buttons. Only 3 of them have a text label for screen readers. How many still need a label?
25. 25.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
    Body text: 19 px
    Title: 22 px
    Footer: 10 px
    Menu: 19 px
26. 26.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Hint: 26 px
    Title: 28 px
    Footer: 12 px
    Caption: 19 px
    Menu: 26 px (a) Hint (b) Caption (c) Title (d) Footer
27. 27.Which of these helps everyone use the app? (a) fast-flashing lights (b) icons with no labels (c) labels on every icon (d) colour as the only clue
28. 28.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Caption: 26 px
    Title: 20 px
    Footer: 26 px
    Menu: 13 px
    Label: 20 px (a) Footer (b) Menu (c) Caption (d) Title
29. 29.♿ A screen has 10 icon buttons. Only 4 of them have a text label for screen readers. How many still need a label?
30. 30.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Hint: 28 px
    Title: 16 px
    Label: 10 px (a) Hint (b) Title (c) Label
31. 31.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
    Title: 22 px
    Hint: 18 px
    Caption: 13 px
    Body text: 21 px
32. 32.♿ What does a screen reader do? (a) makes text tiny (b) reads the screen aloud (c) plays music (d) takes photos
33. 33.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Hint: 9 px
    Body text: 17 px
    Title: 16 px (a) Title (b) Body text (c) Hint
34. 34.♿ Does this help everyone, or make the app harder to use: labels on every icon? (a) helps everyone (b) makes it harder
35. 35.True or false: “sudden loud sounds” helps everyone use the app. (a) True (b) False
36. 36.True or false: “big touch targets” makes the app harder to use. (a) True (b) False
37. 37.♿ A screen has 10 icon buttons. Only 6 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. How many texts on this screen are too small?
    Hint: 11 px
    Title: 10 px
    Label: 18 px
    Body text: 19 px
39. 39.🔍 Which is the odd one out? (a) captions on videos (b) labels on every icon (c) sudden loud sounds (d) big touch targets
40. 40.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Hint: 17 px
    Footer: 19 px
    Title: 10 px (a) Footer (b) Title (c) Hint

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