App Dev Worksheet: Accessibility

App development lesson 13: Accessibility · Set 287 · 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 9 icon buttons. Only 5 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. Which text on this screen is too small?
   Caption: 27 px
   Title: 19 px
   Hint: 14 px
   Body text: 23 px (a) Title (b) Hint (c) Body text (d) Caption
3. 3.♿ Does this help everyone, or make the app harder to use: big touch targets? (a) makes it harder (b) helps everyone
4. 4.True or false: “captions on videos” helps everyone use the app. (a) False (b) True
5. 5.♿ A screen has 12 icon buttons. Only 10 of them have a text label for screen readers. How many still need a label?
6. 6.🔍 Which is the odd one out? (a) strong colour contrast (b) colour as the only clue (c) tiny tap areas (d) icons with no labels
7. 7.♿ A screen has 5 icon buttons. Only 1 of them have a text label for screen readers. How many still need a label?
8. 8.♿ A screen has 6 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?
   Body text: 16 px
   Menu: 22 px
   Footer: 17 px
   Caption: 9 px
   Label: 26 px (a) Body text (b) Caption (c) Menu (d) Footer
10. 10.♿ A screen has 10 icon buttons. Only 8 of them have a text label for screen readers. How many still need a label?
11. 11.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Title: 18 px
    Footer: 24 px
    Label: 9 px (a) Footer (b) Label (c) Title
12. 12.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Title: 12 px
    Caption: 16 px
    Label: 16 px (a) Label (b) Caption (c) Title
13. 13.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Menu: 27 px
    Hint: 21 px
    Body text: 28 px
    Label: 11 px (a) Hint (b) Label (c) Body text (d) Menu
14. 14.🔍 Which is the odd one out? (a) strong colour contrast (b) icons with no labels (c) captions on videos (d) big touch targets
15. 15.♿ A screen has 7 icon buttons. Only 1 of them have a text label for screen readers. How many still need a label?
16. 16.♿ Does this help everyone, or make the app harder to use: strong colour contrast? (a) makes it harder (b) helps everyone
17. 17.♿ What does a screen reader do? (a) takes photos (b) plays music (c) reads the screen aloud (d) makes text tiny
18. 18.Which of these makes the app harder to use? (a) captions on videos (b) text that can grow (c) strong colour contrast (d) colour as the only clue
19. 19.♿ A screen has 6 icon buttons. Only 4 of them have a text label for screen readers. How many still need a label?
20. 20.Which of these helps everyone use the app? (a) colour as the only clue (b) captions on videos (c) sudden loud sounds (d) fast-flashing lights
21. 21.♿ Does this help everyone, or make the app harder to use: sudden loud sounds? (a) helps everyone (b) makes it harder
22. 22.♿ A screen has 6 icon buttons. Only 1 of them have a text label for screen readers. How many still need a label?
23. 23.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
    Menu: 21 px
    Caption: 15 px
    Footer: 16 px
    Hint: 12 px
24. 24.♿ What should every icon-only button have for screen readers? (a) a long animation (b) a sound (c) a text label (d) a bright colour
25. 25.Which of these helps everyone use the app? (a) labels on every icon (b) colour as the only clue (c) fast-flashing lights (d) tiny tap areas
26. 26.Which of these helps everyone use the app? (a) fast-flashing lights (b) colour as the only clue (c) sudden loud sounds (d) strong colour contrast
27. 27.🔍 Which is the odd one out? (a) fast-flashing lights (b) tiny tap areas (c) sudden loud sounds (d) text that can grow
28. 28.♿ A screen has 6 icon buttons. Only 3 of them have a text label for screen readers. How many still need a label?
29. 29.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Title: 24 px
    Label: 13 px
    Body text: 22 px
    Footer: 27 px (a) Footer (b) Label (c) Body text (d) Title
30. 30.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Footer: 21 px
    Menu: 18 px
    Title: 11 px
    Hint: 25 px (a) Hint (b) Title (c) Footer (d) Menu
31. 31.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
    Footer: 13 px
    Menu: 19 px
    Hint: 19 px
32. 32.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
    Label: 21 px
    Menu: 18 px
    Title: 16 px
    Hint: 23 px
33. 33.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Label: 25 px
    Menu: 22 px
    Caption: 12 px
    Body text: 26 px
    Title: 28 px (a) Caption (b) Menu (c) Body text (d) Label
34. 34.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Title: 16 px
    Hint: 11 px
    Footer: 23 px (a) Footer (b) Hint (c) Title
35. 35.♿ Does this help everyone, or make the app harder to use: icons with no labels? (a) helps everyone (b) makes it harder
36. 36.True or false: “text that can grow” helps everyone use the app. (a) True (b) False
37. 37.True or false: “colour as the only clue” makes the app harder to use. (a) False (b) True
38. 38.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
    Body text: 18 px
    Hint: 12 px
    Menu: 23 px
    Caption: 11 px
39. 39.♿ A screen has 10 icon buttons. Only 1 of them have a text label for screen readers. How many still need a label?
40. 40.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
    Body text: 11 px
    Menu: 24 px
    Title: 13 px

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