App Dev Worksheet: Accessibility

App development lesson 13: Accessibility · Set 789 · 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: 19 px
   Title: 14 px
   Body text: 27 px (a) Hint (b) Body text (c) Title
2. 2.🔍 Which is the odd one out? (a) sudden loud sounds (b) colour as the only clue (c) fast-flashing lights (d) text that can grow
3. 3.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
   Body text: 28 px
   Footer: 10 px
   Label: 21 px
   Menu: 17 px
   Title: 25 px (a) Menu (b) Label (c) Footer (d) Body text
4. 4.♿ Does this help everyone, or make the app harder to use: captions on videos? (a) helps everyone (b) makes it harder
5. 5.🔍 Which is the odd one out? (a) sudden loud sounds (b) icons with no labels (c) colour as the only clue (d) big touch targets
6. 6.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
   Body text: 23 px
   Caption: 11 px
   Hint: 21 px
   Footer: 27 px
   Title: 18 px (a) Footer (b) Body text (c) Hint (d) Caption
7. 7.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
   Footer: 21 px
   Body text: 13 px
   Hint: 16 px
   Title: 22 px
   Menu: 23 px
8. 8.♿ Does this help everyone, or make the app harder to use: text that can grow? (a) helps everyone (b) makes it harder
9. 9.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
   Title: 27 px
   Hint: 13 px
   Menu: 18 px
   Body text: 18 px (a) Menu (b) Title (c) Hint (d) Body text
10. 10.Which of these makes the app harder to use? (a) icons with no labels (b) labels on every icon (c) text that can grow (d) strong colour contrast
11. 11.Which of these makes the app harder to use? (a) labels on every icon (b) captions on videos (c) strong colour contrast (d) sudden loud sounds
12. 12.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Caption: 24 px
    Hint: 16 px
    Menu: 12 px
    Body text: 26 px
    Footer: 17 px (a) Menu (b) Caption (c) Hint (d) Body text
13. 13.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Body text: 17 px
    Menu: 9 px
    Hint: 28 px
    Footer: 25 px (a) Hint (b) Footer (c) Body text (d) Menu
14. 14.True or false: “labels on every icon” makes the app harder to use. (a) False (b) True
15. 15.♿ Does this help everyone, or make the app harder to use: big touch targets? (a) helps everyone (b) makes it harder
16. 16.Which of these helps everyone use the app? (a) tiny tap areas (b) icons with no labels (c) sudden loud sounds (d) labels on every icon
17. 17.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Body text: 27 px
    Menu: 17 px
    Caption: 26 px
    Hint: 10 px (a) Menu (b) Body text (c) Hint (d) Caption
18. 18.Which of these helps everyone use the app? (a) icons with no labels (b) sudden loud sounds (c) captions on videos (d) tiny tap areas
19. 19.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Label: 21 px
    Body text: 10 px
    Hint: 21 px (a) Body text (b) Label (c) Hint
20. 20.♿ A screen has 12 icon buttons. Only 3 of them have a text label for screen readers. How many still need a label?
21. 21.♿ Does this help everyone, or make the app harder to use: fast-flashing lights? (a) makes it harder (b) helps everyone
22. 22.♿ A screen has 10 icon buttons. Only 7 of them have a text label for screen readers. How many still need a label?
23. 23.🔍 Which is the odd one out? (a) fast-flashing lights (b) colour as the only clue (c) icons with no labels (d) strong colour contrast
24. 24.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Menu: 10 px
    Body text: 28 px
    Caption: 21 px
    Label: 26 px
    Footer: 20 px (a) Body text (b) Caption (c) Menu (d) Label
25. 25.True or false: “tiny tap areas” helps everyone use the app. (a) True (b) False
26. 26.Which of these makes the app harder to use? (a) labels on every icon (b) colour as the only clue (c) big touch targets (d) strong colour contrast
27. 27.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
    Body text: 20 px
    Caption: 22 px
    Menu: 20 px
28. 28.🔍 Which is the odd one out? (a) labels on every icon (b) fast-flashing lights (c) big touch targets (d) strong colour contrast
29. 29.True or false: “big touch targets” helps everyone use the app. (a) False (b) True
30. 30.♿ What does a screen reader do? (a) makes text tiny (b) takes photos (c) plays music (d) reads the screen aloud
31. 31.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
    Footer: 14 px
    Body text: 16 px
    Menu: 23 px
32. 32.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Title: 20 px
    Menu: 19 px
    Body text: 27 px
    Hint: 22 px
    Footer: 10 px (a) Footer (b) Title (c) Menu (d) Body text
33. 33.♿ Does this help everyone, or make the app harder to use: tiny tap areas? (a) helps everyone (b) makes it harder
34. 34.True or false: “big touch targets” makes the app harder to use. (a) True (b) False
35. 35.True or false: “strong colour contrast” makes the app harder to use. (a) True (b) False
36. 36.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Menu: 12 px
    Hint: 22 px
    Title: 20 px
    Body text: 23 px
    Label: 16 px (a) Title (b) Hint (c) Body text (d) Menu
37. 37.True or false: “colour as the only clue” makes the app harder to use. (a) False (b) True
38. 38.♿ Showing right or wrong only in red and green is a problem for ___. (a) the server (b) colour-blind users (c) the battery (d) fast typists
39. 39.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
    Body text: 14 px
    Menu: 16 px
    Title: 23 px
40. 40.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
    Body text: 11 px
    Label: 22 px
    Menu: 11 px

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