App Dev Worksheet: Accessibility

App development lesson 13: Accessibility · Set 711 · 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 5 icon buttons. Only 4 of them have a text label for screen readers. How many still need a label?
2. 2.♿ Accessibility means an app works for ___. (a) only experts (b) only the coder (c) everyone (d) nobody
3. 3.True or false: “colour as the only clue” helps everyone use the app. (a) True (b) False
4. 4.🔍 Which is the odd one out? (a) captions on videos (b) text that can grow (c) strong colour contrast (d) icons with no labels
5. 5.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
   Label: 17 px
   Caption: 18 px
   Menu: 11 px
   Footer: 26 px
   Title: 22 px (a) Caption (b) Menu (c) Label (d) Footer
6. 6.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
   Hint: 11 px
   Menu: 19 px
   Label: 15 px
7. 7.True or false: “fast-flashing lights” helps everyone use the app. (a) True (b) False
8. 8.🔍 Which is the odd one out? (a) colour as the only clue (b) captions on videos (c) tiny tap areas (d) icons with no labels
9. 9.True or false: “labels on every icon” helps everyone use the app. (a) False (b) True
10. 10.♿ Does this help everyone, or make the app harder to use: icons with no labels? (a) helps everyone (b) makes it harder
11. 11.Which of these helps everyone use the app? (a) colour as the only clue (b) icons with no labels (c) tiny tap areas (d) labels on every icon
12. 12.♿ A screen has 12 icon buttons. Only 8 of them have a text label for screen readers. How many still need a label?
13. 13.♿ Does this help everyone, or make the app harder to use: big touch targets? (a) helps everyone (b) makes it harder
14. 14.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Title: 16 px
    Hint: 21 px
    Footer: 11 px (a) Title (b) Footer (c) Hint
15. 15.Which of these makes the app harder to use? (a) labels on every icon (b) fast-flashing lights (c) strong colour contrast (d) text that can grow
16. 16.Which of these makes the app harder to use? (a) icons with no labels (b) captions on videos (c) big touch targets (d) text that can grow
17. 17.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
    Footer: 19 px
    Menu: 16 px
    Label: 20 px
    Hint: 18 px
18. 18.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Label: 11 px
    Footer: 16 px
    Body text: 24 px (a) Label (b) Footer (c) Body text
19. 19.♿ Does this help everyone, or make the app harder to use: tiny tap areas? (a) helps everyone (b) makes it harder
20. 20.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
    Title: 15 px
    Body text: 13 px
    Footer: 22 px
    Label: 19 px
21. 21.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
    Footer: 11 px
    Caption: 12 px
    Body text: 20 px
    Label: 12 px
    Title: 17 px
22. 22.True or false: “colour as the only clue” makes the app harder to use. (a) True (b) False
23. 23.🔍 Which is the odd one out? (a) icons with no labels (b) big touch targets (c) sudden loud sounds (d) tiny tap areas
24. 24.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
    Caption: 14 px
    Hint: 13 px
    Title: 10 px
25. 25.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Caption: 28 px
    Menu: 11 px
    Title: 20 px (a) Title (b) Caption (c) Menu
26. 26.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
    Menu: 24 px
    Footer: 18 px
    Title: 11 px
    Body text: 24 px
27. 27.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Title: 25 px
    Label: 22 px
    Footer: 14 px (a) Label (b) Footer (c) Title
28. 28.Which of these makes the app harder to use? (a) big touch targets (b) text that can grow (c) captions on videos (d) tiny tap areas
29. 29.True or false: “tiny tap areas” helps everyone use the app. (a) True (b) False
30. 30.♿ A screen has 7 icon buttons. Only 3 of them have a text label for screen readers. How many still need a label?
31. 31.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Label: 18 px
    Hint: 27 px
    Caption: 20 px
    Footer: 16 px
    Title: 14 px (a) Caption (b) Hint (c) Label (d) Title
32. 32.Which of these helps everyone use the app? (a) sudden loud sounds (b) strong colour contrast (c) colour as the only clue (d) tiny tap areas
33. 33.True or false: “icons with no labels” helps everyone use the app. (a) True (b) False
34. 34.♿ Does this help everyone, or make the app harder to use: fast-flashing lights? (a) helps everyone (b) makes it harder
35. 35.♿ A screen has 11 icon buttons. Only 7 of them have a text label for screen readers. How many still need a label?
36. 36.🔍 Which is the odd one out? (a) labels on every icon (b) sudden loud sounds (c) tiny tap areas (d) icons with no labels
37. 37.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Footer: 23 px
    Menu: 23 px
    Caption: 9 px
    Title: 18 px
    Hint: 27 px (a) Footer (b) Title (c) Caption (d) Menu
38. 38.True or false: “text that can grow” helps everyone use the app. (a) True (b) False
39. 39.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
    Footer: 10 px
    Body text: 23 px
    Hint: 16 px
    Label: 19 px
    Title: 19 px
40. 40.♿ Does this help everyone, or make the app harder to use: captions on videos? (a) helps everyone (b) makes it harder

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