App Dev Worksheet: Accessibility

App development lesson 13: Accessibility · Set 741 · 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) captions on videos (b) tiny tap areas (c) icons with no labels (d) colour as the only clue
2. 2.Which of these helps everyone use the app? (a) icons with no labels (b) tiny tap areas (c) colour as the only clue (d) strong colour contrast
3. 3.♿ Does this help everyone, or make the app harder to use: text that can grow? (a) makes it harder (b) helps everyone
4. 4.♿ Does this help everyone, or make the app harder to use: sudden loud sounds? (a) helps everyone (b) makes it harder
5. 5.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
   Footer: 24 px
   Label: 10 px
   Hint: 21 px (a) Hint (b) Label (c) Footer
6. 6.🔍 Which is the odd one out? (a) fast-flashing lights (b) text that can grow (c) icons with no labels (d) sudden loud sounds
7. 7.♿ A screen has 5 icon buttons. Only 1 of them have a text label for screen readers. How many still need a label?
8. 8.♿ Does this help everyone, or make the app harder to use: colour as the only clue? (a) makes it harder (b) helps everyone
9. 9.♿ Does this help everyone, or make the app harder to use: fast-flashing lights? (a) makes it harder (b) helps everyone
10. 10.♿ Accessibility means an app works for ___. (a) everyone (b) only experts (c) only the coder (d) nobody
11. 11.True or false: “captions on videos” makes the app harder to use. (a) True (b) False
12. 12.Which of these helps everyone use the app? (a) fast-flashing lights (b) text that can grow (c) icons with no labels (d) colour as the only clue
13. 13.♿ Does this help everyone, or make the app harder to use: tiny tap areas? (a) helps everyone (b) makes it harder
14. 14.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
    Hint: 15 px
    Title: 23 px
    Menu: 10 px
    Footer: 24 px
    Body text: 11 px
15. 15.🔍 Which is the odd one out? (a) big touch targets (b) strong colour contrast (c) captions on videos (d) icons with no labels
16. 16.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
    Hint: 23 px
    Menu: 14 px
    Label: 13 px
    Title: 22 px
    Body text: 19 px
17. 17.True or false: “sudden loud sounds” helps everyone use the app. (a) True (b) False
18. 18.♿ Showing right or wrong only in red and green is a problem for ___. (a) colour-blind users (b) fast typists (c) the server (d) the battery
19. 19.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Caption: 19 px
    Title: 23 px
    Label: 10 px (a) Title (b) Label (c) Caption
20. 20.Which of these makes the app harder to use? (a) captions on videos (b) colour as the only clue (c) big touch targets (d) strong colour contrast
21. 21.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
    Body text: 13 px
    Caption: 12 px
    Title: 14 px
22. 22.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
    Hint: 11 px
    Caption: 12 px
    Body text: 22 px
    Menu: 11 px
    Title: 23 px
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 6 icon buttons. Only 3 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?
    Footer: 13 px
    Title: 20 px
    Hint: 28 px
    Body text: 22 px (a) Body text (b) Footer (c) Title (d) Hint
26. 26.♿ A screen has 6 icon buttons. Only 2 of them have a text label for screen readers. How many still need a label?
27. 27.♿ A screen has 9 icon buttons. Only 2 of them have a text label for screen readers. How many still need a label?
28. 28.♿ Why add captions to videos? (a) to hide the sound (b) so anyone can follow (c) to slow them down (d) to add colour
29. 29.🔍 Which is the odd one out? (a) text that can grow (b) tiny tap areas (c) labels on every icon (d) big touch targets
30. 30.♿ A screen has 11 icon buttons. Only 1 of them have a text label for screen readers. How many still need a label?
31. 31.True or false: “big touch targets” makes the app harder to use. (a) False (b) True
32. 32.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Title: 20 px
    Body text: 21 px
    Hint: 19 px
    Caption: 19 px
    Menu: 14 px (a) Body text (b) Hint (c) Title (d) Menu
33. 33.🔍 Which is the odd one out? (a) captions on videos (b) strong colour contrast (c) sudden loud sounds (d) labels on every icon
34. 34.🔍 Which is the odd one out? (a) strong colour contrast (b) colour as the only clue (c) labels on every icon (d) big touch targets
35. 35.Which of these makes the app harder to use? (a) text that can grow (b) labels on every icon (c) sudden loud sounds (d) strong colour contrast
36. 36.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Hint: 10 px
    Body text: 22 px
    Caption: 17 px
    Menu: 28 px (a) Body text (b) Menu (c) Hint (d) Caption
37. 37.True or false: “labels on every icon” makes the app harder to use. (a) False (b) True
38. 38.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Label: 11 px
    Body text: 25 px
    Caption: 16 px (a) Label (b) Caption (c) Body text
39. 39.♿ What should every icon-only button have for screen readers? (a) a long animation (b) a bright colour (c) a sound (d) a text label
40. 40.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
    Body text: 12 px
    Label: 22 px
    Title: 18 px
    Menu: 23 px

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