App Dev Worksheet: Accessibility

App development lesson 13: Accessibility · Set 473 · 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.♿ What does a screen reader do? (a) makes text tiny (b) takes photos (c) plays music (d) reads the screen aloud
2. 2.🔍 Which is the odd one out? (a) sudden loud sounds (b) text that can grow (c) captions on videos (d) big touch targets
3. 3.♿ A screen has 6 icon buttons. Only 3 of them have a text label for screen readers. How many still need a label?
4. 4.Which of these makes the app harder to use? (a) text that can grow (b) big touch targets (c) captions on videos (d) sudden loud sounds
5. 5.♿ Accessibility means an app works for ___. (a) only experts (b) everyone (c) nobody (d) only the coder
6. 6.♿ Does this help everyone, or make the app harder to use: labels on every icon? (a) helps everyone (b) makes it harder
7. 7.True or false: “sudden loud sounds” helps everyone use the app. (a) True (b) False
8. 8.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
   Body text: 25 px
   Menu: 25 px
   Hint: 19 px
   Title: 10 px
   Footer: 21 px (a) Hint (b) Body text (c) Title (d) Menu
9. 9.♿ A screen has 11 icon buttons. Only 10 of them have a text label for screen readers. How many still need a label?
10. 10.🔍 Which is the odd one out? (a) captions on videos (b) labels on every icon (c) icons with no labels (d) text that can grow
11. 11.♿ A screen has 11 icon buttons. Only 1 of them have a text label for screen readers. How many still need a label?
12. 12.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Menu: 27 px
    Body text: 14 px
    Title: 18 px (a) Title (b) Menu (c) Body text
13. 13.True or false: “text that can grow” makes the app harder to use. (a) True (b) False
14. 14.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
    Menu: 22 px
    Body text: 22 px
    Label: 13 px
15. 15.True or false: “big touch targets” makes the app harder to use. (a) True (b) False
16. 16.♿ Why add captions to videos? (a) so anyone can follow (b) to slow them down (c) to add colour (d) to hide the sound
17. 17.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Body text: 16 px
    Menu: 20 px
    Title: 28 px
    Footer: 12 px (a) Menu (b) Title (c) Body text (d) Footer
18. 18.True or false: “sudden loud sounds” makes the app harder to use. (a) True (b) False
19. 19.🔍 Which is the odd one out? (a) colour as the only clue (b) strong colour contrast (c) sudden loud sounds (d) tiny tap areas
20. 20.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Body text: 10 px
    Title: 25 px
    Label: 17 px
    Menu: 25 px (a) Label (b) Title (c) Menu (d) Body text
21. 21.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
22. 22.True or false: “text that can grow” helps everyone use the app. (a) True (b) False
23. 23.True or false: “labels on every icon” makes the app harder to use. (a) True (b) False
24. 24.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Label: 16 px
    Menu: 9 px
    Body text: 23 px
    Hint: 21 px
    Caption: 27 px (a) Hint (b) Menu (c) Body text (d) Label
25. 25.Which of these helps everyone use the app? (a) big touch targets (b) tiny tap areas (c) icons with no labels (d) colour as the only clue
26. 26.♿ Does this help everyone, or make the app harder to use: text that can grow? (a) helps everyone (b) makes it harder
27. 27.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Caption: 16 px
    Footer: 9 px
    Title: 28 px
    Menu: 19 px (a) Caption (b) Menu (c) Title (d) Footer
28. 28.Which of these helps everyone use the app? (a) colour as the only clue (b) fast-flashing lights (c) text that can grow (d) sudden loud sounds
29. 29.♿ Showing right or wrong only in red and green is a problem for ___. (a) the server (b) fast typists (c) colour-blind users (d) the battery
30. 30.♿ Does this help everyone, or make the app harder to use: big touch targets? (a) makes it harder (b) helps everyone
31. 31.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Menu: 11 px
    Hint: 26 px
    Title: 26 px (a) Hint (b) Title (c) Menu
32. 32.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
    Label: 22 px
    Body text: 14 px
    Menu: 15 px
33. 33.♿ Does this help everyone, or make the app harder to use: sudden loud sounds? (a) helps everyone (b) makes it harder
34. 34.♿ What should every icon-only button have for screen readers? (a) a text label (b) a bright colour (c) a long animation (d) a sound
35. 35.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
    Title: 17 px
    Label: 14 px
    Caption: 18 px
    Body text: 19 px
36. 36.🔍 Which is the odd one out? (a) strong colour contrast (b) tiny tap areas (c) captions on videos (d) big touch targets
37. 37.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
    Menu: 11 px
    Label: 15 px
    Caption: 17 px
    Body text: 11 px
38. 38.True or false: “tiny tap areas” makes the app harder to use. (a) False (b) True
39. 39.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Hint: 20 px
    Label: 16 px
    Title: 26 px
    Caption: 19 px
    Menu: 13 px (a) Label (b) Hint (c) Title (d) Menu
40. 40.True or false: “big touch targets” helps everyone use the app. (a) True (b) False

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