App Dev Worksheet: Accessibility

App development lesson 13: Accessibility · Set 136 · 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.♿ Does this help everyone, or make the app harder to use: colour as the only clue? (a) helps everyone (b) makes it harder
2. 2.🔍 Which is the odd one out? (a) fast-flashing lights (b) icons with no labels (c) captions on videos (d) sudden loud sounds
3. 3.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
   Footer: 18 px
   Caption: 14 px
   Title: 23 px
   Hint: 11 px
4. 4.♿ A screen has 7 icon buttons. Only 4 of them have a text label for screen readers. How many still need a label?
5. 5.♿ A screen has 12 icon buttons. Only 3 of them have a text label for screen readers. How many still need a label?
6. 6.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
   Footer: 16 px
   Hint: 20 px
   Title: 25 px
   Body text: 9 px (a) Title (b) Body text (c) Footer (d) Hint
7. 7.Which of these makes the app harder to use? (a) tiny tap areas (b) labels on every icon (c) strong colour contrast (d) captions on videos
8. 8.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
   Hint: 18 px
   Body text: 21 px
   Label: 12 px
   Footer: 21 px
9. 9.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
   Footer: 17 px
   Hint: 21 px
   Menu: 19 px
   Title: 28 px
   Body text: 12 px (a) Body text (b) Footer (c) Menu (d) Hint
10. 10.♿ Accessibility means an app works for ___. (a) everyone (b) nobody (c) only experts (d) only the coder
11. 11.♿ Why add captions to videos? (a) to slow them down (b) to hide the sound (c) so anyone can follow (d) to add colour
12. 12.Which of these helps everyone use the app? (a) icons with no labels (b) big touch targets (c) fast-flashing lights (d) colour as the only clue
13. 13.True or false: “strong colour contrast” helps everyone use the app. (a) False (b) True
14. 14.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Menu: 28 px
    Title: 18 px
    Body text: 12 px (a) Body text (b) Menu (c) Title
15. 15.♿ A screen has 6 icon buttons. Only 1 of them have a text label for screen readers. How many still need a label?
16. 16.True or false: “colour as the only clue” makes the app harder to use. (a) True (b) False
17. 17.♿ Does this help everyone, or make the app harder to use: captions on videos? (a) helps everyone (b) makes it harder
18. 18.🔍 Which is the odd one out? (a) tiny tap areas (b) fast-flashing lights (c) labels on every icon (d) sudden loud sounds
19. 19.♿ Does this help everyone, or make the app harder to use: icons with no labels? (a) helps everyone (b) makes it harder
20. 20.♿ A screen has 11 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: sudden loud sounds? (a) helps everyone (b) makes it harder
22. 22.♿ A screen has 5 icon buttons. Only 1 of them have a text label for screen readers. How many still need a label?
23. 23.True or false: “sudden loud sounds” helps everyone use the app. (a) False (b) True
24. 24.♿ Does this help everyone, or make the app harder to use: big touch targets? (a) helps everyone (b) makes it harder
25. 25.True or false: “text that can grow” helps everyone use the app. (a) False (b) True
26. 26.🔍 Which is the odd one out? (a) big touch targets (b) colour as the only clue (c) text that can grow (d) labels on every icon
27. 27.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Menu: 27 px
    Title: 12 px
    Hint: 20 px
    Label: 25 px
    Body text: 20 px (a) Hint (b) Label (c) Menu (d) Title
28. 28.♿ Does this help everyone, or make the app harder to use: fast-flashing lights? (a) makes it harder (b) helps everyone
29. 29.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
    Caption: 22 px
    Hint: 15 px
    Title: 12 px
30. 30.♿ A screen has 11 icon buttons. Only 9 of them have a text label for screen readers. How many still need a label?
31. 31.True or false: “labels on every icon” makes the app harder to use. (a) True (b) False
32. 32.♿ A screen has 11 icon buttons. Only 4 of them have a text label for screen readers. How many still need a label?
33. 33.♿ Does this help everyone, or make the app harder to use: strong colour contrast? (a) makes it harder (b) helps everyone
34. 34.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
    Label: 22 px
    Body text: 22 px
    Menu: 19 px
    Hint: 15 px
35. 35.Which of these helps everyone use the app? (a) icons with no labels (b) sudden loud sounds (c) tiny tap areas (d) labels on every icon
36. 36.♿ What does a screen reader do? (a) makes text tiny (b) takes photos (c) plays music (d) reads the screen aloud
37. 37.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Footer: 9 px
    Title: 19 px
    Body text: 24 px (a) Body text (b) Title (c) Footer
38. 38.🔍 Which is the odd one out? (a) labels on every icon (b) big touch targets (c) sudden loud sounds (d) captions on videos
39. 39.🔍 Which is the odd one out? (a) big touch targets (b) tiny tap areas (c) colour as the only clue (d) fast-flashing lights
40. 40.True or false: “big touch targets” helps everyone use the app. (a) False (b) True

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