App Dev Worksheet: Accessibility

App development lesson 13: Accessibility · Set 703 · 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.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
   Menu: 20 px
   Footer: 13 px
   Body text: 23 px
   Title: 14 px
2. 2.♿ Accessibility means an app works for ___. (a) everyone (b) only experts (c) nobody (d) only the coder
3. 3.🔍 Which is the odd one out? (a) labels on every icon (b) text that can grow (c) strong colour contrast (d) sudden loud sounds
4. 4.Which of these helps everyone use the app? (a) fast-flashing lights (b) tiny tap areas (c) colour as the only clue (d) text that can grow
5. 5.True or false: “icons with no labels” helps everyone use the app. (a) True (b) False
6. 6.True or false: “captions on videos” helps everyone use the app. (a) True (b) False
7. 7.♿ What should every icon-only button have for screen readers? (a) a sound (b) a long animation (c) a bright colour (d) a text label
8. 8.🔍 Which is the odd one out? (a) colour as the only clue (b) strong colour contrast (c) text that can grow (d) captions on videos
9. 9.♿ A screen has 5 icon buttons. Only 3 of them have a text label for screen readers. How many still need a label?
10. 10.Which of these makes the app harder to use? (a) labels on every icon (b) colour as the only clue (c) captions on videos (d) text that can grow
11. 11.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Hint: 19 px
    Menu: 25 px
    Title: 17 px
    Body text: 16 px
    Caption: 13 px (a) Menu (b) Caption (c) Title (d) Hint
12. 12.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Title: 26 px
    Hint: 11 px
    Caption: 24 px (a) Title (b) Caption (c) Hint
13. 13.♿ A screen has 7 icon buttons. Only 4 of them have a text label for screen readers. How many still need a label?
14. 14.♿ What does a screen reader do? (a) takes photos (b) makes text tiny (c) plays music (d) reads the screen aloud
15. 15.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
    Menu: 10 px
    Caption: 22 px
    Body text: 11 px
16. 16.♿ A screen has 9 icon buttons. Only 7 of them have a text label for screen readers. How many still need a label?
17. 17.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Body text: 10 px
    Caption: 27 px
    Hint: 24 px (a) Hint (b) Caption (c) Body text
18. 18.Which of these makes the app harder to use? (a) text that can grow (b) icons with no labels (c) strong colour contrast (d) big touch targets
19. 19.🔍 Which is the odd one out? (a) captions on videos (b) icons with no labels (c) tiny tap areas (d) sudden loud sounds
20. 20.♿ Does this help everyone, or make the app harder to use: labels on every icon? (a) makes it harder (b) helps everyone
21. 21.♿ A screen has 6 icon buttons. Only 3 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?
    Title: 17 px
    Menu: 24 px
    Body text: 25 px
    Hint: 19 px
    Footer: 9 px (a) Body text (b) Title (c) Menu (d) Footer
23. 23.♿ Does this help everyone, or make the app harder to use: big touch targets? (a) helps everyone (b) makes it harder
24. 24.♿ Does this help everyone, or make the app harder to use: captions on videos? (a) helps everyone (b) makes it harder
25. 25.True or false: “big touch targets” helps everyone use the app. (a) False (b) True
26. 26.True or false: “tiny tap areas” helps everyone use the app. (a) True (b) False
27. 27.♿ Does this help everyone, or make the app harder to use: tiny tap areas? (a) makes it harder (b) helps everyone
28. 28.Which of these helps everyone use the app? (a) tiny tap areas (b) icons with no labels (c) big touch targets (d) sudden loud sounds
29. 29.Which of these helps everyone use the app? (a) colour as the only clue (b) tiny tap areas (c) sudden loud sounds (d) strong colour contrast
30. 30.♿ Does this help everyone, or make the app harder to use: sudden loud sounds? (a) helps everyone (b) makes it harder
31. 31.♿ A screen has 6 icon buttons. Only 1 of them have a text label for screen readers. How many still need a label?
32. 32.🔍 Which is the odd one out? (a) tiny tap areas (b) text that can grow (c) icons with no labels (d) fast-flashing lights
33. 33.True or false: “sudden loud sounds” helps everyone use the app. (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) tiny tap areas (b) captions on videos (c) sudden loud sounds (d) fast-flashing lights
36. 36.♿ A screen has 9 icon buttons. Only 2 of them have a text label for screen readers. How many still need a label?
37. 37.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
    Menu: 21 px
    Footer: 12 px
    Label: 18 px
    Caption: 17 px
    Title: 21 px
38. 38.Which of these helps everyone use the app? (a) icons with no labels (b) fast-flashing lights (c) labels on every icon (d) sudden loud sounds
39. 39.♿ A screen has 6 icon buttons. Only 2 of them have a text label for screen readers. How many still need a label?
40. 40.♿ Why add captions to videos? (a) to slow them down (b) to add colour (c) to hide the sound (d) so anyone can follow

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