App Dev Worksheet: Accessibility

App development lesson 13: Accessibility · Set 472 · 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) text that can grow (b) labels on every icon (c) big touch targets (d) tiny tap areas
2. 2.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
   Hint: 19 px
   Footer: 24 px
   Body text: 22 px
   Title: 16 px
   Menu: 9 px (a) Footer (b) Hint (c) Menu (d) Body text
3. 3.♿ Does this help everyone, or make the app harder to use: fast-flashing lights? (a) helps everyone (b) makes it harder
4. 4.♿ Does this help everyone, or make the app harder to use: sudden loud sounds? (a) helps everyone (b) makes it harder
5. 5.Which of these makes the app harder to use? (a) text that can grow (b) icons with no labels (c) strong colour contrast (d) labels on every icon
6. 6.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
   Title: 10 px
   Label: 21 px
   Body text: 27 px
   Hint: 18 px (a) Label (b) Title (c) Hint (d) Body text
7. 7.🔍 Which is the odd one out? (a) sudden loud sounds (b) colour as the only clue (c) text that can grow (d) tiny tap areas
8. 8.♿ What does a screen reader do? (a) takes photos (b) reads the screen aloud (c) plays music (d) makes text tiny
9. 9.🔍 Which is the odd one out? (a) big touch targets (b) labels on every icon (c) fast-flashing lights (d) strong colour contrast
10. 10.♿ A screen has 5 icon buttons. Only 3 of them have a text label for screen readers. How many still need a label?
11. 11.♿ Does this help everyone, or make the app harder to use: labels on every icon? (a) makes it harder (b) helps everyone
12. 12.🔍 Which is the odd one out? (a) strong colour contrast (b) big touch targets (c) icons with no labels (d) captions on videos
13. 13.♿ A screen has 11 icon buttons. Only 1 of them have a text label for screen readers. How many still need a label?
14. 14.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Title: 25 px
    Body text: 23 px
    Footer: 13 px (a) Title (b) Body text (c) Footer
15. 15.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Menu: 18 px
    Hint: 14 px
    Title: 27 px
    Caption: 18 px (a) Menu (b) Caption (c) Hint (d) Title
16. 16.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
    Hint: 16 px
    Label: 20 px
    Footer: 15 px
    Body text: 10 px
    Title: 17 px
17. 17.♿ Does this help everyone, or make the app harder to use: text that can grow? (a) makes it harder (b) helps everyone
18. 18.Which of these helps everyone use the app? (a) sudden loud sounds (b) strong colour contrast (c) colour as the only clue (d) tiny tap areas
19. 19.True or false: “colour as the only clue” makes the app harder to use. (a) False (b) True
20. 20.♿ A screen has 10 icon buttons. Only 8 of them have a text label for screen readers. How many still need a label?
21. 21.Which of these helps everyone use the app? (a) sudden loud sounds (b) fast-flashing lights (c) colour as the only clue (d) captions on videos
22. 22.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Hint: 12 px
    Footer: 21 px
    Title: 22 px
    Caption: 16 px
    Label: 16 px (a) Title (b) Hint (c) Footer (d) Caption
23. 23.Which of these makes the app harder to use? (a) text that can grow (b) labels on every icon (c) strong colour contrast (d) fast-flashing lights
24. 24.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
    Label: 14 px
    Body text: 10 px
    Menu: 13 px
25. 25.♿ Does this help everyone, or make the app harder to use: big touch targets? (a) makes it harder (b) helps everyone
26. 26.♿ A screen has 7 icon buttons. Only 1 of them have a text label for screen readers. How many still need a label?
27. 27.True or false: “captions on videos” helps everyone use the app. (a) False (b) True
28. 28.True or false: “captions on videos” makes the app harder to use. (a) True (b) False
29. 29.♿ A screen has 7 icon buttons. Only 4 of them have a text label for screen readers. How many still need a label?
30. 30.Which of these helps everyone use the app? (a) text that can grow (b) sudden loud sounds (c) tiny tap areas (d) fast-flashing lights
31. 31.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Title: 16 px
    Label: 28 px
    Hint: 9 px
    Footer: 27 px
    Body text: 19 px (a) Label (b) Footer (c) Title (d) Hint
32. 32.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Menu: 26 px
    Caption: 27 px
    Title: 16 px
    Body text: 10 px (a) Title (b) Caption (c) Menu (d) Body text
33. 33.Which of these makes the app harder to use? (a) strong colour contrast (b) captions on videos (c) tiny tap areas (d) labels on every icon
34. 34.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
    Label: 18 px
    Hint: 17 px
    Caption: 18 px
    Menu: 14 px
35. 35.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
    Label: 19 px
    Title: 23 px
    Caption: 11 px
    Body text: 17 px
    Footer: 10 px
36. 36.True or false: “text that can grow” makes the app harder to use. (a) False (b) True
37. 37.♿ A screen has 6 icon buttons. Only 5 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?
    Body text: 27 px
    Label: 9 px
    Caption: 25 px (a) Label (b) Body text (c) Caption
39. 39.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
    Footer: 13 px
    Hint: 17 px
    Body text: 12 px
    Caption: 21 px
    Title: 13 px
40. 40.♿ Why add captions to videos? (a) so anyone can follow (b) to slow them down (c) to add colour (d) to hide the sound

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