App Dev Worksheet: Accessibility

App development lesson 13: Accessibility · Set 805 · 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?
   Hint: 26 px
   Menu: 17 px
   Title: 13 px
   Body text: 24 px (a) Title (b) Body text (c) Hint (d) Menu
2. 2.♿ Does this help everyone, or make the app harder to use: strong colour contrast? (a) makes it harder (b) helps everyone
3. 3.Which of these helps everyone use the app? (a) sudden loud sounds (b) tiny tap areas (c) labels on every icon (d) colour as the only clue
4. 4.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
   Caption: 28 px
   Title: 25 px
   Body text: 13 px
   Footer: 18 px (a) Title (b) Footer (c) Caption (d) Body text
5. 5.Which of these makes the app harder to use? (a) text that can grow (b) colour as the only clue (c) labels on every icon (d) strong colour contrast
6. 6.♿ Does this help everyone, or make the app harder to use: tiny tap areas? (a) helps everyone (b) makes it harder
7. 7.♿ What does a screen reader do? (a) makes text tiny (b) takes photos (c) plays music (d) reads the screen aloud
8. 8.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
   Caption: 27 px
   Footer: 25 px
   Title: 9 px
   Hint: 24 px (a) Hint (b) Title (c) Caption (d) Footer
9. 9.♿ A screen has 10 icon buttons. Only 4 of them have a text label for screen readers. How many still need a label?
10. 10.♿ Does this help everyone, or make the app harder to use: colour as the only clue? (a) helps everyone (b) makes it harder
11. 11.True or false: “text that can grow” helps everyone use the app. (a) True (b) False
12. 12.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Menu: 13 px
    Hint: 16 px
    Label: 16 px
    Footer: 23 px
    Caption: 25 px (a) Menu (b) Hint (c) Label (d) Footer
13. 13.♿ Does this help everyone, or make the app harder to use: labels on every icon? (a) makes it harder (b) helps everyone
14. 14.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
    Footer: 23 px
    Title: 13 px
    Body text: 15 px
15. 15.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Title: 18 px
    Caption: 23 px
    Hint: 17 px
    Menu: 10 px
    Footer: 20 px (a) Title (b) Caption (c) Menu (d) Hint
16. 16.True or false: “icons with no labels” makes the app harder to use. (a) False (b) True
17. 17.♿ A screen has 5 icon buttons. Only 3 of them have a text label for screen readers. How many still need a label?
18. 18.True or false: “colour as the only clue” makes the app harder to use. (a) False (b) True
19. 19.♿ A screen has 9 icon buttons. Only 5 of them have a text label for screen readers. How many still need a label?
20. 20.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
    Label: 20 px
    Title: 22 px
    Caption: 21 px
21. 21.True or false: “strong colour contrast” makes the app harder to use. (a) True (b) False
22. 22.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
    Caption: 19 px
    Hint: 13 px
    Title: 15 px
    Footer: 13 px
23. 23.♿ Does this help everyone, or make the app harder to use: sudden loud sounds? (a) helps everyone (b) makes it harder
24. 24.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
    Footer: 22 px
    Menu: 17 px
    Caption: 19 px
    Label: 22 px
    Title: 23 px
25. 25.🔍 Which is the odd one out? (a) tiny tap areas (b) labels on every icon (c) captions on videos (d) big touch targets
26. 26.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Menu: 13 px
    Title: 21 px
    Caption: 28 px (a) Menu (b) Title (c) Caption
27. 27.Which of these helps everyone use the app? (a) captions on videos (b) fast-flashing lights (c) icons with no labels (d) sudden loud sounds
28. 28.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Title: 21 px
    Footer: 13 px
    Caption: 17 px
    Body text: 20 px (a) Body text (b) Caption (c) Footer (d) Title
29. 29.♿ A screen has 6 icon buttons. Only 2 of them have a text label for screen readers. How many still need a label?
30. 30.Which of these makes the app harder to use? (a) labels on every icon (b) captions on videos (c) tiny tap areas (d) big touch targets
31. 31.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
    Footer: 13 px
    Hint: 12 px
    Title: 14 px
32. 32.Which of these makes the app harder to use? (a) captions on videos (b) big touch targets (c) text that can grow (d) sudden loud sounds
33. 33.🔍 Which is the odd one out? (a) sudden loud sounds (b) tiny tap areas (c) strong colour contrast (d) colour as the only clue
34. 34.Which of these makes the app harder to use? (a) text that can grow (b) big touch targets (c) captions on videos (d) fast-flashing lights
35. 35.♿ A screen has 10 icon buttons. Only 5 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. Which text on this screen is too small?
    Title: 21 px
    Hint: 10 px
    Footer: 19 px
    Body text: 18 px
    Label: 21 px (a) Footer (b) Hint (c) Title (d) Body text
37. 37.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Body text: 19 px
    Footer: 26 px
    Title: 27 px
    Menu: 11 px (a) Title (b) Footer (c) Body text (d) Menu
38. 38.♿ Does this help everyone, or make the app harder to use: captions on videos? (a) helps everyone (b) makes it harder
39. 39.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Menu: 18 px
    Footer: 27 px
    Title: 9 px (a) Title (b) Footer (c) Menu
40. 40.True or false: “sudden loud sounds” helps everyone use the app. (a) True (b) False

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