App Dev Worksheet: Accessibility

App development lesson 13: Accessibility · Set 788 · 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 makes the app harder to use? (a) strong colour contrast (b) labels on every icon (c) colour as the only clue (d) big touch targets
2. 2.Which of these helps everyone use the app? (a) colour as the only clue (b) fast-flashing lights (c) text that can grow (d) tiny tap areas
3. 3.True or false: “tiny tap areas” makes the app harder to use. (a) True (b) False
4. 4.♿ Accessibility means an app works for ___. (a) nobody (b) everyone (c) only experts (d) only the coder
5. 5.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
   Body text: 16 px
   Title: 22 px
   Menu: 21 px
   Caption: 11 px
   Label: 11 px
6. 6.Which of these makes the app harder to use? (a) big touch targets (b) captions on videos (c) labels on every icon (d) sudden loud sounds
7. 7.♿ Does this help everyone, or make the app harder to use: labels on every icon? (a) makes it harder (b) helps everyone
8. 8.♿ Why add captions to videos? (a) to slow them down (b) to add colour (c) so anyone can follow (d) to hide the sound
9. 9.🔍 Which is the odd one out? (a) big touch targets (b) colour as the only clue (c) strong colour contrast (d) text that can grow
10. 10.True or false: “sudden loud sounds” makes the app harder to use. (a) True (b) False
11. 11.♿ 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
12. 12.♿ Does this help everyone, or make the app harder to use: strong colour contrast? (a) makes it harder (b) helps everyone
13. 13.♿ A screen has 9 icon buttons. Only 1 of them have a text label for screen readers. How many still need a label?
14. 14.🔍 Which is the odd one out? (a) colour as the only clue (b) tiny tap areas (c) sudden loud sounds (d) strong colour contrast
15. 15.♿ A screen has 5 icon buttons. Only 2 of them have a text label for screen readers. How many still need a label?
16. 16.True or false: “strong colour contrast” helps everyone use the app. (a) True (b) False
17. 17.♿ Does this help everyone, or make the app harder to use: fast-flashing lights? (a) makes it harder (b) helps everyone
18. 18.♿ A screen has 9 icon buttons. Only 7 of them have a text label for screen readers. How many still need a label?
19. 19.♿ What does a screen reader do? (a) plays music (b) takes photos (c) reads the screen aloud (d) makes text tiny
20. 20.True or false: “colour as the only clue” makes the app harder to use. (a) True (b) False
21. 21.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
    Footer: 21 px
    Label: 10 px
    Caption: 20 px
    Title: 17 px
22. 22.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Body text: 21 px
    Caption: 16 px
    Title: 18 px
    Hint: 13 px (a) Caption (b) Body text (c) Hint (d) Title
23. 23.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Body text: 12 px
    Caption: 24 px
    Label: 19 px (a) Label (b) Body text (c) Caption
24. 24.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Title: 19 px
    Footer: 22 px
    Caption: 13 px (a) Caption (b) Title (c) Footer
25. 25.♿ Does this help everyone, or make the app harder to use: colour as the only clue? (a) helps everyone (b) makes it harder
26. 26.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
    Label: 10 px
    Hint: 21 px
    Title: 18 px
    Menu: 10 px
    Caption: 14 px
27. 27.♿ Showing right or wrong only in red and green is a problem for ___. (a) the battery (b) fast typists (c) colour-blind users (d) the server
28. 28.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Caption: 24 px
    Body text: 14 px
    Menu: 28 px (a) Caption (b) Menu (c) Body text
29. 29.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Footer: 17 px
    Hint: 10 px
    Title: 18 px (a) Title (b) Hint (c) Footer
30. 30.🔍 Which is the odd one out? (a) fast-flashing lights (b) captions on videos (c) labels on every icon (d) text that can grow
31. 31.True or false: “icons with no labels” makes the app harder to use. (a) True (b) False
32. 32.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Label: 18 px
    Body text: 9 px
    Caption: 24 px (a) Label (b) Caption (c) Body text
33. 33.True or false: “captions on videos” makes the app harder to use. (a) True (b) False
34. 34.♿ Does this help everyone, or make the app harder to use: text that can grow? (a) helps everyone (b) makes it harder
35. 35.Which of these helps everyone use the app? (a) icons with no labels (b) captions on videos (c) sudden loud sounds (d) tiny tap areas
36. 36.🔍 Which is the odd one out? (a) icons with no labels (b) tiny tap areas (c) sudden loud sounds (d) big touch targets
37. 37.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Title: 27 px
    Label: 10 px
    Hint: 21 px (a) Hint (b) Title (c) Label
38. 38.♿ Does this help everyone, or make the app harder to use: big touch targets? (a) makes it harder (b) helps everyone
39. 39.Which of these helps everyone use the app? (a) colour as the only clue (b) tiny tap areas (c) labels on every icon (d) icons with no labels
40. 40.Which of these makes the app harder to use? (a) icons with no labels (b) big touch targets (c) strong colour contrast (d) text that can grow

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