App Dev Worksheet: Accessibility

App development lesson 13: Accessibility · Set 793 · 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.True or false: “icons with no labels” makes the app harder to use. (a) False (b) True
2. 2.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
   Body text: 18 px
   Hint: 13 px
   Footer: 17 px
3. 3.🔍 Which is the odd one out? (a) sudden loud sounds (b) icons with no labels (c) text that can grow (d) colour as the only clue
4. 4.♿ What should every icon-only button have for screen readers? (a) a sound (b) a bright colour (c) a long animation (d) a text label
5. 5.♿ A screen has 12 icon buttons. Only 8 of them have a text label for screen readers. How many still need a label?
6. 6.Which of these makes the app harder to use? (a) tiny tap areas (b) captions on videos (c) strong colour contrast (d) text that can grow
7. 7.♿ A screen has 9 icon buttons. Only 3 of them have a text label for screen readers. How many still need a label?
8. 8.🔍 Which is the odd one out? (a) icons with no labels (b) sudden loud sounds (c) fast-flashing lights (d) labels on every icon
9. 9.True or false: “sudden loud sounds” helps everyone use the app. (a) False (b) True
10. 10.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
    Label: 23 px
    Body text: 23 px
    Menu: 11 px
11. 11.♿ Does this help everyone, or make the app harder to use: tiny tap areas? (a) makes it harder (b) helps everyone
12. 12.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Caption: 12 px
    Title: 20 px
    Menu: 26 px (a) Menu (b) Caption (c) Title
13. 13.True or false: “fast-flashing lights” makes the app harder to use. (a) True (b) False
14. 14.Which of these helps everyone use the app? (a) fast-flashing lights (b) captions on videos (c) icons with no labels (d) sudden loud sounds
15. 15.♿ Does this help everyone, or make the app harder to use: captions on videos? (a) helps everyone (b) makes it harder
16. 16.Which of these makes the app harder to use? (a) fast-flashing lights (b) text that can grow (c) big touch targets (d) labels on every icon
17. 17.♿ A screen has 12 icon buttons. Only 3 of them have a text label for screen readers. How many still need a label?
18. 18.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Body text: 14 px
    Title: 23 px
    Hint: 18 px
    Menu: 26 px (a) Body text (b) Menu (c) Title (d) Hint
19. 19.♿ A screen has 9 icon buttons. Only 2 of them have a text label for screen readers. How many still need a label?
20. 20.♿ Does this help everyone, or make the app harder to use: strong colour contrast? (a) makes it harder (b) helps everyone
21. 21.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Body text: 23 px
    Label: 19 px
    Caption: 11 px
    Menu: 17 px
    Footer: 25 px (a) Menu (b) Caption (c) Body text (d) Label
22. 22.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Caption: 21 px
    Body text: 12 px
    Footer: 22 px (a) Caption (b) Footer (c) Body text
23. 23.Which of these makes the app harder to use? (a) text that can grow (b) sudden loud sounds (c) big touch targets (d) strong colour contrast
24. 24.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
    Title: 20 px
    Body text: 18 px
    Label: 12 px
25. 25.True or false: “strong colour contrast” helps everyone use the app. (a) False (b) True
26. 26.♿ Does this help everyone, or make the app harder to use: sudden loud sounds? (a) makes it harder (b) helps everyone
27. 27.♿ A screen has 7 icon buttons. Only 6 of them have a text label for screen readers. How many still need a label?
28. 28.♿ A screen has 6 icon buttons. Only 3 of them have a text label for screen readers. How many still need a label?
29. 29.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Label: 25 px
    Caption: 9 px
    Footer: 21 px
    Body text: 19 px (a) Footer (b) Label (c) Caption (d) Body text
30. 30.♿ What does a screen reader do? (a) makes text tiny (b) reads the screen aloud (c) plays music (d) takes photos
31. 31.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Hint: 9 px
    Caption: 27 px
    Title: 21 px
    Menu: 25 px (a) Title (b) Caption (c) Menu (d) Hint
32. 32.True or false: “text that can grow” helps everyone use the app. (a) True (b) False
33. 33.True or false: “captions on videos” helps everyone use the app. (a) False (b) True
34. 34.🔍 Which is the odd one out? (a) colour as the only clue (b) tiny tap areas (c) captions on videos (d) fast-flashing lights
35. 35.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Menu: 24 px
    Title: 14 px
    Caption: 16 px (a) Title (b) Menu (c) Caption
36. 36.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
    Hint: 20 px
    Body text: 23 px
    Label: 12 px
    Menu: 12 px
    Footer: 20 px
37. 37.Which of these helps everyone use the app? (a) tiny tap areas (b) sudden loud sounds (c) icons with no labels (d) text that can grow
38. 38.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Title: 27 px
    Menu: 26 px
    Caption: 12 px
    Footer: 28 px
    Body text: 21 px (a) Title (b) Footer (c) Caption (d) Menu
39. 39.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Footer: 11 px
    Title: 19 px
    Hint: 22 px (a) Hint (b) Footer (c) Title
40. 40.♿ A screen has 5 icon buttons. Only 3 of them have a text label for screen readers. How many still need a label?

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