App Dev Worksheet: Accessibility

App development lesson 13: Accessibility · Set 199 · 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. How many texts on this screen are too small?
   Title: 13 px
   Footer: 18 px
   Caption: 11 px
2. 2.🔍 Which is the odd one out? (a) captions on videos (b) colour as the only clue (c) strong colour contrast (d) labels on every icon
3. 3.True or false: “strong colour contrast” makes the app harder to use. (a) True (b) False
4. 4.Which of these helps everyone use the app? (a) text that can grow (b) colour as the only clue (c) icons with no labels (d) fast-flashing lights
5. 5.♿ Does this help everyone, or make the app harder to use: captions on videos? (a) helps everyone (b) makes it harder
6. 6.Which of these makes the app harder to use? (a) text that can grow (b) big touch targets (c) captions on videos (d) icons with no labels
7. 7.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
   Caption: 10 px
   Title: 25 px
   Footer: 25 px (a) Footer (b) Title (c) Caption
8. 8.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
   Body text: 13 px
   Title: 19 px
   Caption: 24 px
   Label: 23 px
   Footer: 27 px (a) Caption (b) Body text (c) Label (d) Title
9. 9.♿ A screen has 11 icon buttons. Only 1 of them have a text label for screen readers. How many still need a label?
10. 10.♿ A screen has 9 icon buttons. Only 1 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?
    Body text: 16 px
    Title: 18 px
    Hint: 20 px
    Caption: 10 px (a) Hint (b) Caption (c) Body text (d) Title
12. 12.True or false: “labels on every icon” makes the app harder to use. (a) True (b) False
13. 13.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
    Hint: 21 px
    Menu: 24 px
    Title: 15 px
    Footer: 11 px
    Caption: 10 px
14. 14.♿ Does this help everyone, or make the app harder to use: sudden loud sounds? (a) helps everyone (b) makes it harder
15. 15.♿ A screen has 8 icon buttons. Only 2 of them have a text label for screen readers. How many still need a label?
16. 16.♿ A screen has 7 icon buttons. Only 5 of them have a text label for screen readers. How many still need a label?
17. 17.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
    Caption: 16 px
    Label: 17 px
    Title: 16 px
18. 18.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
    Footer: 16 px
    Menu: 11 px
    Caption: 13 px
    Hint: 14 px
19. 19.True or false: “tiny tap areas” helps everyone use the app. (a) True (b) False
20. 20.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Menu: 22 px
    Caption: 18 px
    Label: 27 px
    Title: 9 px
    Body text: 23 px (a) Caption (b) Label (c) Title (d) Menu
21. 21.♿ Accessibility means an app works for ___. (a) everyone (b) only experts (c) only the coder (d) nobody
22. 22.♿ A screen has 10 icon buttons. Only 9 of them have a text label for screen readers. How many still need a label?
23. 23.True or false: “big touch targets” helps everyone use the app. (a) False (b) True
24. 24.Which of these makes the app harder to use? (a) big touch targets (b) colour as the only clue (c) captions on videos (d) labels on every icon
25. 25.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
    Footer: 18 px
    Title: 14 px
    Hint: 20 px
26. 26.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Body text: 20 px
    Hint: 12 px
    Caption: 19 px
    Menu: 17 px (a) Caption (b) Body text (c) Menu (d) Hint
27. 27.Which of these makes the app harder to use? (a) text that can grow (b) labels on every icon (c) tiny tap areas (d) captions on videos
28. 28.Which of these helps everyone use the app? (a) tiny tap areas (b) fast-flashing lights (c) labels on every icon (d) icons with no labels
29. 29.🔍 Which is the odd one out? (a) strong colour contrast (b) sudden loud sounds (c) fast-flashing lights (d) icons with no labels
30. 30.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Hint: 19 px
    Title: 9 px
    Caption: 18 px (a) Title (b) Caption (c) Hint
31. 31.True or false: “fast-flashing lights” helps everyone use the app. (a) False (b) True
32. 32.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Body text: 18 px
    Footer: 17 px
    Title: 25 px
    Caption: 23 px
    Menu: 12 px (a) Body text (b) Footer (c) Title (d) Menu
33. 33.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Title: 18 px
    Menu: 19 px
    Label: 19 px
    Caption: 14 px (a) Caption (b) Menu (c) Title (d) Label
34. 34.♿ What does a screen reader do? (a) plays music (b) takes photos (c) makes text tiny (d) reads the screen aloud
35. 35.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
    Caption: 12 px
    Body text: 12 px
    Title: 12 px
36. 36.♿ Does this help everyone, or make the app harder to use: labels on every icon? (a) helps everyone (b) makes it harder
37. 37.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Body text: 27 px
    Label: 21 px
    Footer: 21 px
    Caption: 22 px
    Menu: 14 px (a) Body text (b) Label (c) Footer (d) Menu
38. 38.True or false: “text that can grow” makes the app harder to use. (a) False (b) True
39. 39.♿ A screen has 8 icon buttons. Only 5 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. Which text on this screen is too small?
    Label: 18 px
    Body text: 24 px
    Title: 12 px (a) Title (b) Body text (c) Label

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