App Dev Worksheet: Accessibility

App development lesson 13: Accessibility · Set 208 · 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.♿ A screen has 6 icon buttons. Only 2 of them have a text label for screen readers. How many still need a label?
2. 2.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
   Label: 18 px
   Body text: 20 px
   Footer: 12 px
   Menu: 16 px
   Title: 10 px
3. 3.♿ Does this help everyone, or make the app harder to use: text that can grow? (a) helps everyone (b) makes it harder
4. 4.♿ A screen has 12 icon buttons. Only 2 of them have a text label for screen readers. How many still need a label?
5. 5.♿ Does this help everyone, or make the app harder to use: fast-flashing lights? (a) makes it harder (b) helps everyone
6. 6.♿ Why add captions to videos? (a) to slow them down (b) to hide the sound (c) so anyone can follow (d) to add colour
7. 7.Which of these helps everyone use the app? (a) icons with no labels (b) colour as the only clue (c) tiny tap areas (d) labels on every icon
8. 8.♿ A screen has 5 icon buttons. Only 2 of them have a text label for screen readers. How many still need a label?
9. 9.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
   Label: 27 px
   Body text: 10 px
   Title: 17 px
   Footer: 18 px
   Hint: 17 px (a) Body text (b) Title (c) Footer (d) Label
10. 10.🔍 Which is the odd one out? (a) icons with no labels (b) captions on videos (c) sudden loud sounds (d) tiny tap areas
11. 11.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
    Footer: 12 px
    Title: 13 px
    Body text: 13 px
12. 12.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
    Label: 17 px
    Title: 15 px
    Menu: 17 px
    Body text: 10 px
    Footer: 15 px
13. 13.♿ Does this help everyone, or make the app harder to use: icons with no labels? (a) helps everyone (b) makes it harder
14. 14.🔍 Which is the odd one out? (a) labels on every icon (b) text that can grow (c) colour as the only clue (d) strong colour contrast
15. 15.♿ A screen has 10 icon buttons. Only 1 of them have a text label for screen readers. How many still need a label?
16. 16.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Caption: 9 px
    Title: 25 px
    Footer: 21 px (a) Footer (b) Title (c) Caption
17. 17.♿ A screen has 6 icon buttons. Only 1 of them have a text label for screen readers. How many still need a label?
18. 18.♿ Does this help everyone, or make the app harder to use: colour as the only clue? (a) helps everyone (b) makes it harder
19. 19.True or false: “labels on every icon” makes the app harder to use. (a) False (b) True
20. 20.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
    Caption: 18 px
    Menu: 18 px
    Body text: 11 px
21. 21.♿ Does this help everyone, or make the app harder to use: labels on every icon? (a) helps everyone (b) makes it harder
22. 22.🔍 Which is the odd one out? (a) strong colour contrast (b) big touch targets (c) captions on videos (d) tiny tap areas
23. 23.True or false: “captions on videos” helps everyone use the app. (a) True (b) False
24. 24.♿ Does this help everyone, or make the app harder to use: big touch targets? (a) makes it harder (b) helps everyone
25. 25.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Caption: 22 px
    Label: 11 px
    Title: 19 px (a) Caption (b) Label (c) Title
26. 26.Which of these makes the app harder to use? (a) fast-flashing lights (b) labels on every icon (c) strong colour contrast (d) text that can grow
27. 27.Which of these makes the app harder to use? (a) captions on videos (b) text that can grow (c) labels on every icon (d) colour as the only clue
28. 28.♿ What does a screen reader do? (a) takes photos (b) plays music (c) reads the screen aloud (d) makes text tiny
29. 29.Which of these helps everyone use the app? (a) tiny tap areas (b) big touch targets (c) icons with no labels (d) sudden loud sounds
30. 30.Which of these makes the app harder to use? (a) captions on videos (b) sudden loud sounds (c) text that can grow (d) labels on every icon
31. 31.♿ A screen has 8 icon buttons. Only 7 of them have a text label for screen readers. How many still need a label?
32. 32.True or false: “tiny tap areas” helps everyone use the app. (a) False (b) True
33. 33.🔍 Which is the odd one out? (a) sudden loud sounds (b) colour as the only clue (c) tiny tap areas (d) labels on every icon
34. 34.True or false: “sudden loud sounds” helps everyone use the app. (a) True (b) False
35. 35.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
    Body text: 24 px
    Title: 17 px
    Menu: 13 px
    Label: 15 px
36. 36.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Menu: 19 px
    Label: 25 px
    Body text: 13 px
    Hint: 22 px
    Footer: 22 px (a) Label (b) Hint (c) Menu (d) Body text
37. 37.♿ Does this help everyone, or make the app harder to use: captions on videos? (a) helps everyone (b) makes it harder
38. 38.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
    Footer: 24 px
    Title: 23 px
    Hint: 14 px
    Menu: 12 px
39. 39.🔍 Which is the odd one out? (a) text that can grow (b) big touch targets (c) sudden loud sounds (d) labels on every icon
40. 40.♿ A screen has 11 icon buttons. Only 7 of them have a text label for screen readers. How many still need a label?

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