App Dev Worksheet: Accessibility

App development lesson 13: Accessibility · Set 539 · 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: strong colour contrast? (a) makes it harder (b) helps everyone
2. 2.♿ A screen has 8 icon buttons. Only 7 of them have a text label for screen readers. How many still need a label?
3. 3.♿ Does this help everyone, or make the app harder to use: captions on videos? (a) makes it harder (b) helps everyone
4. 4.🔍 Which is the odd one out? (a) text that can grow (b) tiny tap areas (c) strong colour contrast (d) captions on videos
5. 5.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
   Footer: 13 px
   Caption: 20 px
   Title: 11 px
6. 6.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
   Footer: 27 px
   Menu: 27 px
   Body text: 18 px
   Title: 19 px
   Label: 13 px (a) Footer (b) Body text (c) Label (d) Menu
7. 7.♿ Accessibility means an app works for ___. (a) only experts (b) everyone (c) nobody (d) only the coder
8. 8.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
   Body text: 15 px
   Menu: 22 px
   Caption: 20 px
   Hint: 10 px
   Footer: 14 px
9. 9.True or false: “labels on every icon” makes the app harder to use. (a) True (b) False
10. 10.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
    Caption: 13 px
    Hint: 17 px
    Footer: 10 px
11. 11.True or false: “strong colour contrast” makes the app harder to use. (a) True (b) False
12. 12.♿ Showing right or wrong only in red and green is a problem for ___. (a) colour-blind users (b) the battery (c) fast typists (d) the server
13. 13.♿ Does this help everyone, or make the app harder to use: fast-flashing lights? (a) makes it harder (b) helps everyone
14. 14.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Caption: 10 px
    Hint: 25 px
    Menu: 23 px (a) Hint (b) Menu (c) Caption
15. 15.True or false: “fast-flashing lights” makes the app harder to use. (a) False (b) True
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.Which of these helps everyone use the app? (a) colour as the only clue (b) fast-flashing lights (c) big touch targets (d) icons with no labels
18. 18.Which of these makes the app harder to use? (a) strong colour contrast (b) icons with no labels (c) text that can grow (d) labels on every icon
19. 19.🔍 Which is the odd one out? (a) fast-flashing lights (b) sudden loud sounds (c) tiny tap areas (d) text that can grow
20. 20.♿ Does this help everyone, or make the app harder to use: icons with no labels? (a) helps everyone (b) makes it harder
21. 21.♿ A screen has 5 icon buttons. Only 2 of them have a text label for screen readers. How many still need a label?
22. 22.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Caption: 18 px
    Body text: 21 px
    Footer: 20 px
    Title: 9 px
    Label: 16 px (a) Caption (b) Body text (c) Footer (d) Title
23. 23.♿ What does a screen reader do? (a) makes text tiny (b) takes photos (c) reads the screen aloud (d) plays music
24. 24.♿ A screen has 8 icon buttons. Only 6 of them have a text label for screen readers. How many still need a label?
25. 25.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Menu: 18 px
    Title: 28 px
    Body text: 16 px
    Label: 24 px
    Caption: 9 px (a) Menu (b) Caption (c) Body text (d) Title
26. 26.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Hint: 24 px
    Body text: 19 px
    Caption: 14 px (a) Body text (b) Hint (c) Caption
27. 27.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Footer: 18 px
    Body text: 23 px
    Label: 11 px
    Caption: 21 px (a) Caption (b) Body text (c) Label (d) Footer
28. 28.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
    Label: 14 px
    Body text: 21 px
    Footer: 20 px
    Title: 12 px
    Hint: 14 px
29. 29.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Title: 16 px
    Footer: 19 px
    Caption: 27 px
    Label: 18 px
    Hint: 13 px (a) Caption (b) Title (c) Hint (d) Footer
30. 30.♿ A screen has 8 icon buttons. Only 1 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. How many texts on this screen are too small?
    Body text: 11 px
    Menu: 11 px
    Title: 15 px
    Hint: 13 px
32. 32.♿ Does this help everyone, or make the app harder to use: labels on every icon? (a) helps everyone (b) makes it harder
33. 33.True or false: “tiny tap areas” helps everyone use the app. (a) False (b) True
34. 34.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
    Footer: 11 px
    Menu: 21 px
    Hint: 22 px
35. 35.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Footer: 18 px
    Menu: 12 px
    Caption: 19 px
    Hint: 22 px
    Body text: 23 px (a) Menu (b) Caption (c) Footer (d) Hint
36. 36.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Label: 26 px
    Footer: 18 px
    Hint: 12 px (a) Footer (b) Label (c) Hint
37. 37.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
    Title: 13 px
    Menu: 13 px
    Footer: 10 px
38. 38.Which of these helps everyone use the app? (a) tiny tap areas (b) colour as the only clue (c) fast-flashing lights (d) labels on every icon
39. 39.Which of these makes the app harder to use? (a) labels on every icon (b) fast-flashing lights (c) captions on videos (d) text that can grow
40. 40.♿ What should every icon-only button have for screen readers? (a) a long animation (b) a text label (c) a bright colour (d) a sound

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