App Dev Worksheet: Accessibility

App development lesson 13: Accessibility · Set 806 · 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.♿ Does this help everyone, or make the app harder to use: big touch targets? (a) helps everyone (b) makes it harder
2. 2.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
   Menu: 11 px
   Caption: 14 px
   Title: 14 px
   Body text: 16 px
3. 3.True or false: “strong colour contrast” helps everyone use the app. (a) True (b) False
4. 4.♿ A screen has 7 icon buttons. Only 6 of them have a text label for screen readers. How many still need a label?
5. 5.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
   Caption: 18 px
   Hint: 20 px
   Footer: 16 px
   Title: 13 px (a) Caption (b) Footer (c) Hint (d) Title
6. 6.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
   Menu: 18 px
   Hint: 10 px
   Footer: 23 px (a) Menu (b) Footer (c) Hint
7. 7.♿ Why add captions to videos? (a) so anyone can follow (b) to add colour (c) to hide the sound (d) to slow them down
8. 8.♿ A screen has 8 icon buttons. Only 6 of them have a text label for screen readers. How many still need a label?
9. 9.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
   Title: 17 px
   Hint: 23 px
   Label: 21 px
   Caption: 24 px
   Body text: 18 px
10. 10.True or false: “sudden loud sounds” helps everyone use the app. (a) True (b) False
11. 11.♿ Accessibility means an app works for ___. (a) nobody (b) only the coder (c) only experts (d) everyone
12. 12.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Body text: 24 px
    Title: 21 px
    Footer: 14 px (a) Body text (b) Footer (c) Title
13. 13.True or false: “fast-flashing lights” helps everyone use the app. (a) True (b) False
14. 14.♿ A screen has 6 icon buttons. Only 1 of them have a text label for screen readers. How many still need a label?
15. 15.Which of these helps everyone use the app? (a) colour as the only clue (b) icons with no labels (c) tiny tap areas (d) labels on every icon
16. 16.Which of these helps everyone use the app? (a) sudden loud sounds (b) colour as the only clue (c) captions on videos (d) tiny tap areas
17. 17.♿ What should every icon-only button have for screen readers? (a) a bright colour (b) a sound (c) a long animation (d) a text label
18. 18.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Caption: 19 px
    Label: 27 px
    Footer: 14 px (a) Footer (b) Label (c) Caption
19. 19.♿ Does this help everyone, or make the app harder to use: text that can grow? (a) makes it harder (b) helps everyone
20. 20.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Caption: 27 px
    Label: 25 px
    Menu: 26 px
    Footer: 13 px (a) Footer (b) Caption (c) Label (d) Menu
21. 21.🔍 Which is the odd one out? (a) labels on every icon (b) colour as the only clue (c) strong colour contrast (d) text that can grow
22. 22.♿ What does a screen reader do? (a) plays music (b) makes text tiny (c) takes photos (d) reads the screen aloud
23. 23.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
    Body text: 18 px
    Footer: 23 px
    Label: 18 px
    Hint: 12 px
24. 24.♿ A screen has 5 icon buttons. Only 2 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?
    Title: 10 px
    Hint: 17 px
    Body text: 24 px
    Menu: 18 px
    Footer: 20 px (a) Body text (b) Hint (c) Menu (d) Title
26. 26.♿ Does this help everyone, or make the app harder to use: tiny tap areas? (a) makes it harder (b) helps everyone
27. 27.♿ A screen has 8 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. How many texts on this screen are too small?
    Caption: 11 px
    Title: 12 px
    Menu: 22 px
    Body text: 23 px
29. 29.♿ A screen has 10 icon buttons. Only 9 of them have a text label for screen readers. How many still need a label?
30. 30.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Hint: 12 px
    Footer: 21 px
    Caption: 17 px (a) Caption (b) Hint (c) Footer
31. 31.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
    Menu: 13 px
    Caption: 15 px
    Body text: 20 px
    Footer: 16 px
32. 32.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Menu: 19 px
    Title: 19 px
    Caption: 12 px
    Label: 17 px
    Hint: 27 px (a) Caption (b) Label (c) Menu (d) Title
33. 33.🔍 Which is the odd one out? (a) captions on videos (b) strong colour contrast (c) text that can grow (d) tiny tap areas
34. 34.♿ A screen has 11 icon buttons. Only 5 of them have a text label for screen readers. How many still need a label?
35. 35.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Title: 24 px
    Body text: 22 px
    Caption: 11 px (a) Caption (b) Title (c) Body text
36. 36.♿ Does this help everyone, or make the app harder to use: sudden loud sounds? (a) makes it harder (b) helps everyone
37. 37.♿ A screen has 11 icon buttons. Only 1 of them have a text label for screen readers. How many still need a label?
38. 38.♿ A screen has 9 icon buttons. Only 1 of them have a text label for screen readers. How many still need a label?
39. 39.True or false: “big touch targets” helps everyone use the app. (a) False (b) True
40. 40.True or false: “text that can grow” helps everyone use the app. (a) True (b) False

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