App Dev Worksheet: Accessibility

App development lesson 13: Accessibility · Set 611 · 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.True or false: “tiny tap areas” makes the app harder to use. (a) False (b) True
2. 2.♿ A screen has 6 icon buttons. Only 4 of them have a text label for screen readers. How many still need a label?
3. 3.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
   Label: 13 px
   Caption: 17 px
   Title: 21 px
4. 4.Which of these helps everyone use the app? (a) fast-flashing lights (b) tiny tap areas (c) captions on videos (d) sudden loud sounds
5. 5.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
   Menu: 19 px
   Label: 22 px
   Title: 16 px
   Caption: 15 px
6. 6.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
   Menu: 23 px
   Body text: 11 px
   Hint: 12 px
7. 7.True or false: “tiny tap areas” helps everyone use the app. (a) True (b) False
8. 8.♿ Does this help everyone, or make the app harder to use: labels on every icon? (a) helps everyone (b) makes it harder
9. 9.♿ Does this help everyone, or make the app harder to use: sudden loud sounds? (a) helps everyone (b) makes it harder
10. 10.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
    Body text: 13 px
    Hint: 11 px
    Label: 10 px
    Caption: 15 px
11. 11.♿ A screen has 7 icon buttons. Only 6 of them have a text label for screen readers. How many still need a label?
12. 12.Which of these helps everyone use the app? (a) tiny tap areas (b) sudden loud sounds (c) fast-flashing lights (d) big touch targets
13. 13.♿ Does this help everyone, or make the app harder to use: text that can grow? (a) helps everyone (b) makes it harder
14. 14.♿ A screen has 9 icon buttons. Only 4 of them have a text label for screen readers. How many still need a label?
15. 15.Which of these makes the app harder to use? (a) sudden loud sounds (b) big touch targets (c) captions on videos (d) strong colour contrast
16. 16.🔍 Which is the odd one out? (a) text that can grow (b) colour as the only clue (c) labels on every icon (d) strong colour contrast
17. 17.🔍 Which is the odd one out? (a) colour as the only clue (b) text that can grow (c) fast-flashing lights (d) icons with no labels
18. 18.♿ Does this help everyone, or make the app harder to use: strong colour contrast? (a) makes it harder (b) helps everyone
19. 19.Which of these helps everyone use the app? (a) fast-flashing lights (b) icons with no labels (c) strong colour contrast (d) tiny tap areas
20. 20.♿ What should every icon-only button have for screen readers? (a) a sound (b) a text label (c) a long animation (d) a bright colour
21. 21.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Menu: 17 px
    Title: 12 px
    Body text: 24 px
    Caption: 20 px (a) Caption (b) Menu (c) Body text (d) Title
22. 22.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Menu: 22 px
    Caption: 20 px
    Body text: 20 px
    Hint: 12 px (a) Menu (b) Caption (c) Body text (d) Hint
23. 23.Which of these makes the app harder to use? (a) big touch targets (b) labels on every icon (c) tiny tap areas (d) strong colour contrast
24. 24.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Label: 16 px
    Menu: 20 px
    Footer: 11 px (a) Menu (b) Label (c) Footer
25. 25.True or false: “sudden loud sounds” makes the app harder to use. (a) True (b) False
26. 26.True or false: “text that can grow” makes the app harder to use. (a) False (b) True
27. 27.♿ A screen has 5 icon buttons. Only 4 of them have a text label for screen readers. How many still need a label?
28. 28.True or false: “strong colour contrast” helps everyone use the app. (a) True (b) False
29. 29.♿ Accessibility means an app works for ___. (a) nobody (b) everyone (c) only the coder (d) only experts
30. 30.♿ Does this help everyone, or make the app harder to use: big touch targets? (a) makes it harder (b) helps everyone
31. 31.True or false: “strong colour contrast” makes the app harder to use. (a) True (b) False
32. 32.🔍 Which is the odd one out? (a) text that can grow (b) icons with no labels (c) labels on every icon (d) strong colour contrast
33. 33.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Label: 17 px
    Title: 12 px
    Body text: 24 px
    Hint: 24 px (a) Hint (b) Title (c) Body text (d) Label
34. 34.🔍 Which is the odd one out? (a) big touch targets (b) strong colour contrast (c) tiny tap areas (d) text that can grow
35. 35.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
    Title: 22 px
    Body text: 12 px
    Caption: 18 px
    Footer: 15 px
36. 36.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
    Label: 10 px
    Hint: 22 px
    Footer: 22 px
    Body text: 12 px
37. 37.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
    Label: 10 px
    Title: 12 px
    Menu: 10 px
38. 38.True or false: “captions on videos” helps everyone use the app. (a) True (b) False
39. 39.True or false: “big touch targets” makes the app harder to use. (a) True (b) False
40. 40.True or false: “icons with no labels” helps everyone use the app. (a) False (b) True

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