App Dev Worksheet: Accessibility

App development lesson 13: Accessibility · Set 181 · 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: 27 px
   Label: 14 px
   Body text: 19 px
   Hint: 27 px (a) Label (b) Menu (c) Body text (d) Hint
2. 2.🔍 Which is the odd one out? (a) tiny tap areas (b) colour as the only clue (c) strong colour contrast (d) sudden loud sounds
3. 3.🔍 Which is the odd one out? (a) colour as the only clue (b) sudden loud sounds (c) labels on every icon (d) tiny tap areas
4. 4.🔍 Which is the odd one out? (a) icons with no labels (b) big touch targets (c) fast-flashing lights (d) colour as the only clue
5. 5.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
   Body text: 21 px
   Caption: 24 px
   Footer: 18 px
6. 6.♿ A screen has 11 icon buttons. Only 2 of them have a text label for screen readers. How many still need a label?
7. 7.♿ A screen has 11 icon buttons. Only 5 of them have a text label for screen readers. How many still need a label?
8. 8.True or false: “fast-flashing lights” makes the app harder to use. (a) True (b) False
9. 9.True or false: “colour as the only clue” makes the app harder to use. (a) False (b) True
10. 10.True or false: “tiny tap areas” makes the app harder to use. (a) True (b) False
11. 11.Which of these helps everyone use the app? (a) tiny tap areas (b) sudden loud sounds (c) labels on every icon (d) colour as the only clue
12. 12.♿ Does this help everyone, or make the app harder to use: icons with no labels? (a) makes it harder (b) helps everyone
13. 13.True or false: “icons with no labels” helps everyone use the app. (a) False (b) True
14. 14.♿ Does this help everyone, or make the app harder to use: tiny tap areas? (a) makes it harder (b) helps everyone
15. 15.♿ Does this help everyone, or make the app harder to use: captions on videos? (a) makes it harder (b) helps everyone
16. 16.♿ A screen has 5 icon buttons. Only 2 of them have a text label for screen readers. How many still need a label?
17. 17.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
    Footer: 23 px
    Hint: 20 px
    Body text: 24 px
    Label: 17 px
18. 18.Which of these helps everyone use the app? (a) colour as the only clue (b) tiny tap areas (c) strong colour contrast (d) icons with no labels
19. 19.True or false: “captions on videos” makes the app harder to use. (a) False (b) True
20. 20.True or false: “colour as the only clue” helps everyone use the app. (a) False (b) True
21. 21.Which of these helps everyone use the app? (a) colour as the only clue (b) sudden loud sounds (c) tiny tap areas (d) big touch targets
22. 22.🔍 Which is the odd one out? (a) tiny tap areas (b) text that can grow (c) strong colour contrast (d) captions on videos
23. 23.True or false: “labels on every icon” helps everyone use the app. (a) False (b) True
24. 24.🔍 Which is the odd one out? (a) colour as the only clue (b) text that can grow (c) sudden loud sounds (d) icons with no labels
25. 25.♿ What does a screen reader do? (a) reads the screen aloud (b) makes text tiny (c) plays music (d) takes photos
26. 26.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Label: 16 px
    Title: 25 px
    Menu: 11 px (a) Label (b) Menu (c) Title
27. 27.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
    Title: 11 px
    Hint: 18 px
    Footer: 15 px
    Body text: 12 px
    Label: 21 px
28. 28.♿ Why add captions to videos? (a) to add colour (b) to slow them down (c) so anyone can follow (d) to hide the sound
29. 29.True or false: “labels on every icon” makes the app harder to use. (a) False (b) True
30. 30.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Menu: 14 px
    Caption: 22 px
    Body text: 21 px (a) Body text (b) Menu (c) Caption
31. 31.♿ A screen has 11 icon buttons. Only 7 of them have a text label for screen readers. How many still need a label?
32. 32.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Menu: 25 px
    Footer: 14 px
    Hint: 27 px (a) Footer (b) Menu (c) Hint
33. 33.♿ A screen has 11 icon buttons. Only 10 of them have a text label for screen readers. How many still need a label?
34. 34.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Hint: 17 px
    Menu: 19 px
    Title: 9 px
    Footer: 17 px (a) Hint (b) Footer (c) Title (d) Menu
35. 35.♿ A screen has 5 icon buttons. Only 3 of them have a text label for screen readers. How many still need a label?
36. 36.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
    Body text: 11 px
    Title: 11 px
    Footer: 18 px
    Label: 22 px
37. 37.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
    Title: 17 px
    Body text: 24 px
    Footer: 22 px
    Caption: 18 px
38. 38.Which of these helps everyone use the app? (a) fast-flashing lights (b) colour as the only clue (c) captions on videos (d) icons with no labels
39. 39.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Caption: 19 px
    Body text: 12 px
    Footer: 26 px
    Title: 25 px
    Hint: 26 px (a) Caption (b) Body text (c) Title (d) Footer
40. 40.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Title: 16 px
    Footer: 23 px
    Label: 26 px
    Hint: 24 px
    Menu: 10 px (a) Menu (b) Footer (c) Label (d) Title

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