App Dev Worksheet: Accessibility

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

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