App Dev Worksheet: Accessibility

App development lesson 13: Accessibility · Set 427 · 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.Which of these helps everyone use the app? (a) strong colour contrast (b) icons with no labels (c) sudden loud sounds (d) colour as the only clue
2. 2.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
   Footer: 19 px
   Caption: 22 px
   Body text: 22 px
3. 3.True or false: “sudden loud sounds” makes the app harder to use. (a) True (b) False
4. 4.♿ Showing right or wrong only in red and green is a problem for ___. (a) fast typists (b) the battery (c) the server (d) colour-blind users
5. 5.True or false: “icons with no labels” helps everyone use the app. (a) True (b) False
6. 6.♿ A screen has 8 icon buttons. Only 5 of them have a text label for screen readers. How many still need a label?
7. 7.Which of these helps everyone use the app? (a) tiny tap areas (b) big touch targets (c) sudden loud sounds (d) colour as the only clue
8. 8.Which of these makes the app harder to use? (a) sudden loud sounds (b) text that can grow (c) captions on videos (d) big touch targets
9. 9.🔍 Which is the odd one out? (a) sudden loud sounds (b) fast-flashing lights (c) strong colour contrast (d) tiny tap areas
10. 10.Which of these helps everyone use the app? (a) tiny tap areas (b) colour as the only clue (c) labels on every icon (d) fast-flashing lights
11. 11.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Menu: 13 px
    Label: 17 px
    Body text: 28 px (a) Label (b) Body text (c) Menu
12. 12.♿ Does this help everyone, or make the app harder to use: captions on videos? (a) makes it harder (b) helps everyone
13. 13.♿ A screen has 10 icon buttons. Only 6 of them have a text label for screen readers. How many still need a label?
14. 14.Which of these makes the app harder to use? (a) captions on videos (b) strong colour contrast (c) fast-flashing lights (d) big touch targets
15. 15.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Caption: 14 px
    Body text: 19 px
    Label: 17 px
    Footer: 21 px (a) Caption (b) Label (c) Body text (d) Footer
16. 16.♿ What should every icon-only button have for screen readers? (a) a sound (b) a long animation (c) a text label (d) a bright colour
17. 17.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
    Menu: 22 px
    Caption: 22 px
    Title: 10 px
    Footer: 12 px
18. 18.Which of these makes the app harder to use? (a) labels on every icon (b) colour as the only clue (c) strong colour contrast (d) big touch targets
19. 19.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Caption: 18 px
    Hint: 23 px
    Label: 16 px
    Menu: 22 px
    Body text: 13 px (a) Caption (b) Body text (c) Label (d) Hint
20. 20.True or false: “text that can grow” makes the app harder to use. (a) False (b) True
21. 21.Which of these helps everyone use the app? (a) captions on videos (b) tiny tap areas (c) icons with no labels (d) sudden loud sounds
22. 22.♿ A screen has 7 icon buttons. Only 4 of them have a text label for screen readers. How many still need a label?
23. 23.♿ A screen has 11 icon buttons. Only 3 of them have a text label for screen readers. How many still need a label?
24. 24.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
    Body text: 14 px
    Menu: 20 px
    Label: 10 px
25. 25.True or false: “labels on every icon” makes the app harder to use. (a) True (b) False
26. 26.♿ Accessibility means an app works for ___. (a) only experts (b) only the coder (c) everyone (d) nobody
27. 27.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
    Title: 16 px
    Caption: 10 px
    Label: 17 px
    Menu: 13 px
    Body text: 20 px
28. 28.🔍 Which is the odd one out? (a) captions on videos (b) labels on every icon (c) fast-flashing lights (d) strong colour contrast
29. 29.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Menu: 28 px
    Caption: 21 px
    Label: 24 px
    Hint: 9 px
    Body text: 22 px (a) Caption (b) Label (c) Menu (d) Hint
30. 30.🔍 Which is the odd one out? (a) text that can grow (b) strong colour contrast (c) captions on videos (d) sudden loud sounds
31. 31.Which of these helps everyone use the app? (a) colour as the only clue (b) tiny tap areas (c) text that can grow (d) fast-flashing lights
32. 32.♿ Does this help everyone, or make the app harder to use: text that can grow? (a) helps everyone (b) makes it harder
33. 33.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Body text: 19 px
    Label: 17 px
    Footer: 20 px
    Caption: 27 px
    Menu: 10 px (a) Footer (b) Body text (c) Label (d) Menu
34. 34.🔍 Which is the odd one out? (a) labels on every icon (b) strong colour contrast (c) colour as the only clue (d) big touch targets
35. 35.True or false: “icons with no labels” makes the app harder to use. (a) True (b) False
36. 36.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
    Body text: 23 px
    Label: 12 px
    Title: 18 px
37. 37.True or false: “sudden loud sounds” helps everyone use the app. (a) False (b) True
38. 38.♿ Why add captions to videos? (a) to slow them down (b) so anyone can follow (c) to hide the sound (d) to add colour
39. 39.♿ A screen has 9 icon buttons. Only 3 of them have a text label for screen readers. How many still need a label?
40. 40.Which of these makes the app harder to use? (a) labels on every icon (b) tiny tap areas (c) text that can grow (d) strong colour contrast

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