App Dev Worksheet: Accessibility

App development lesson 13: Accessibility · Set 269 · 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) text that can grow (b) icons with no labels (c) colour as the only clue (d) tiny tap areas
2. 2.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
   Body text: 11 px
   Hint: 11 px
   Menu: 20 px
   Title: 16 px
   Label: 17 px
3. 3.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
   Label: 17 px
   Caption: 20 px
   Title: 11 px (a) Label (b) Caption (c) Title
4. 4.🔍 Which is the odd one out? (a) fast-flashing lights (b) captions on videos (c) sudden loud sounds (d) tiny tap areas
5. 5.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
   Hint: 12 px
   Caption: 25 px
   Label: 20 px (a) Caption (b) Label (c) Hint
6. 6.Which of these helps everyone use the app? (a) captions on videos (b) colour as the only clue (c) tiny tap areas (d) fast-flashing lights
7. 7.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
   Label: 9 px
   Caption: 17 px
   Title: 24 px (a) Title (b) Caption (c) Label
8. 8.True or false: “sudden loud sounds” makes the app harder to use. (a) True (b) False
9. 9.♿ Does this help everyone, or make the app harder to use: strong colour contrast? (a) helps everyone (b) makes it harder
10. 10.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Caption: 12 px
    Title: 18 px
    Hint: 28 px
    Footer: 27 px (a) Hint (b) Footer (c) Title (d) Caption
11. 11.Which of these makes the app harder to use? (a) text that can grow (b) sudden loud sounds (c) captions on videos (d) big touch targets
12. 12.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
    Body text: 21 px
    Caption: 13 px
    Title: 12 px
    Label: 18 px
13. 13.♿ Does this help everyone, or make the app harder to use: colour as the only clue? (a) makes it harder (b) helps everyone
14. 14.True or false: “tiny tap areas” helps everyone use the app. (a) True (b) False
15. 15.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Label: 20 px
    Body text: 12 px
    Caption: 21 px (a) Label (b) Caption (c) Body text
16. 16.♿ Showing right or wrong only in red and green is a problem for ___. (a) the battery (b) fast typists (c) the server (d) colour-blind users
17. 17.🔍 Which is the odd one out? (a) icons with no labels (b) labels on every icon (c) captions on videos (d) big touch targets
18. 18.True or false: “captions on videos” makes the app harder to use. (a) False (b) True
19. 19.Which of these makes the app harder to use? (a) tiny tap areas (b) labels on every icon (c) captions on videos (d) text that can grow
20. 20.♿ Does this help everyone, or make the app harder to use: tiny tap areas? (a) makes it harder (b) helps everyone
21. 21.♿ Accessibility means an app works for ___. (a) everyone (b) only experts (c) nobody (d) only the coder
22. 22.♿ Does this help everyone, or make the app harder to use: captions on videos? (a) makes it harder (b) helps everyone
23. 23.♿ 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
24. 24.♿ Does this help everyone, or make the app harder to use: icons with no labels? (a) helps everyone (b) makes it harder
25. 25.🔍 Which is the odd one out? (a) tiny tap areas (b) colour as the only clue (c) strong colour contrast (d) icons with no labels
26. 26.♿ A screen has 5 icon buttons. Only 3 of them have a text label for screen readers. How many still need a label?
27. 27.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
    Body text: 24 px
    Menu: 10 px
    Title: 10 px
28. 28.Which of these makes the app harder to use? (a) text that can grow (b) labels on every icon (c) strong colour contrast (d) icons with no labels
29. 29.🔍 Which is the odd one out? (a) captions on videos (b) text that can grow (c) sudden loud sounds (d) labels on every icon
30. 30.♿ Why add captions to videos? (a) so anyone can follow (b) to hide the sound (c) to add colour (d) to slow them down
31. 31.♿ A screen has 9 icon buttons. Only 8 of them have a text label for screen readers. How many still need a label?
32. 32.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
    Body text: 14 px
    Footer: 22 px
    Hint: 19 px
33. 33.🔍 Which is the odd one out? (a) fast-flashing lights (b) labels on every icon (c) big touch targets (d) strong colour contrast
34. 34.Which of these helps everyone use the app? (a) icons with no labels (b) strong colour contrast (c) fast-flashing lights (d) tiny tap areas
35. 35.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Title: 23 px
    Caption: 21 px
    Footer: 10 px (a) Caption (b) Footer (c) Title
36. 36.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
    Label: 22 px
    Title: 19 px
    Body text: 16 px
37. 37.♿ A screen has 6 icon buttons. Only 3 of them have a text label for screen readers. How many still need a label?
38. 38.♿ What does a screen reader do? (a) reads the screen aloud (b) takes photos (c) makes text tiny (d) plays music
39. 39.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Caption: 23 px
    Label: 16 px
    Menu: 27 px
    Footer: 22 px
    Body text: 12 px (a) Caption (b) Body text (c) Menu (d) Label
40. 40.True or false: “fast-flashing lights” makes the app harder to use. (a) False (b) True

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