App Dev Worksheet: Accessibility

App development lesson 13: Accessibility · Set 839 · 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.♿ What does a screen reader do? (a) makes text tiny (b) reads the screen aloud (c) takes photos (d) plays music
2. 2.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
   Body text: 22 px
   Caption: 12 px
   Label: 20 px
   Footer: 21 px (a) Footer (b) Body text (c) Caption (d) Label
3. 3.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
   Menu: 19 px
   Caption: 21 px
   Hint: 11 px
   Label: 17 px
   Body text: 17 px (a) Caption (b) Label (c) Menu (d) Hint
4. 4.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
   Caption: 13 px
   Title: 14 px
   Hint: 24 px
   Label: 14 px
5. 5.🔍 Which is the odd one out? (a) text that can grow (b) big touch targets (c) captions on videos (d) colour as the only clue
6. 6.True or false: “labels on every icon” makes the app harder to use. (a) False (b) True
7. 7.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
   Menu: 11 px
   Caption: 10 px
   Body text: 21 px
8. 8.🔍 Which is the odd one out? (a) captions on videos (b) text that can grow (c) labels on every icon (d) fast-flashing lights
9. 9.♿ Does this help everyone, or make the app harder to use: strong colour contrast? (a) helps everyone (b) makes it harder
10. 10.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Label: 14 px
    Body text: 17 px
    Hint: 22 px
    Caption: 24 px
    Title: 20 px (a) Body text (b) Hint (c) Caption (d) Label
11. 11.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Caption: 26 px
    Menu: 9 px
    Label: 18 px
    Title: 27 px (a) Label (b) Caption (c) Title (d) Menu
12. 12.True or false: “captions on videos” makes the app harder to use. (a) True (b) False
13. 13.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Menu: 27 px
    Label: 28 px
    Hint: 12 px (a) Label (b) Hint (c) Menu
14. 14.Which of these makes the app harder to use? (a) labels on every icon (b) fast-flashing lights (c) text that can grow (d) strong colour contrast
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.🔍 Which is the odd one out? (a) big touch targets (b) captions on videos (c) text that can grow (d) tiny tap areas
17. 17.♿ Does this help everyone, or make the app harder to use: icons with no labels? (a) makes it harder (b) helps everyone
18. 18.♿ Does this help everyone, or make the app harder to use: tiny tap areas? (a) helps everyone (b) makes it harder
19. 19.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Body text: 21 px
    Title: 26 px
    Footer: 13 px
    Label: 20 px (a) Label (b) Footer (c) Title (d) Body text
20. 20.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Footer: 12 px
    Body text: 18 px
    Menu: 21 px
    Label: 27 px
    Title: 26 px (a) Body text (b) Menu (c) Label (d) Footer
21. 21.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
    Body text: 19 px
    Menu: 22 px
    Footer: 12 px
    Hint: 24 px
    Caption: 19 px
22. 22.♿ A screen has 7 icon buttons. Only 3 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?
    Title: 16 px
    Body text: 17 px
    Footer: 17 px
    Label: 17 px
24. 24.Which of these helps everyone use the app? (a) sudden loud sounds (b) labels on every icon (c) fast-flashing lights (d) colour as the only clue
25. 25.♿ A screen has 11 icon buttons. Only 3 of them have a text label for screen readers. How many still need a label?
26. 26.♿ A screen has 10 icon buttons. Only 1 of them have a text label for screen readers. How many still need a label?
27. 27.♿ A screen has 12 icon buttons. Only 11 of them have a text label for screen readers. How many still need a label?
28. 28.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Title: 12 px
    Footer: 28 px
    Menu: 21 px
    Caption: 19 px
    Label: 18 px (a) Title (b) Caption (c) Footer (d) Menu
29. 29.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
    Hint: 12 px
    Body text: 14 px
    Title: 14 px
    Label: 17 px
    Menu: 21 px
30. 30.♿ Does this help everyone, or make the app harder to use: labels on every icon? (a) makes it harder (b) helps everyone
31. 31.♿ Why add captions to videos? (a) so anyone can follow (b) to slow them down (c) to hide the sound (d) to add colour
32. 32.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
    Footer: 24 px
    Body text: 13 px
    Label: 14 px
    Title: 19 px
    Caption: 19 px
33. 33.♿ Does this help everyone, or make the app harder to use: colour as the only clue? (a) makes it harder (b) helps everyone
34. 34.True or false: “text that can grow” makes the app harder to use. (a) True (b) False
35. 35.♿ A screen has 6 icon buttons. Only 2 of them have a text label for screen readers. How many still need a label?
36. 36.True or false: “colour as the only clue” makes the app harder to use. (a) False (b) True
37. 37.🔍 Which is the odd one out? (a) captions on videos (b) big touch targets (c) text that can grow (d) icons with no labels
38. 38.♿ 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
39. 39.Which of these makes the app harder to use? (a) icons with no labels (b) strong colour contrast (c) text that can grow (d) labels on every icon
40. 40.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
    Footer: 12 px
    Body text: 17 px
    Title: 19 px
    Label: 18 px
    Menu: 23 px

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