App Dev Worksheet: Accessibility

App development lesson 13: Accessibility · Set 525 · 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: 11 px
   Label: 22 px
   Footer: 21 px
   Hint: 13 px
2. 2.True or false: “captions on videos” helps everyone use the app. (a) False (b) True
3. 3.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
   Label: 24 px
   Body text: 24 px
   Title: 23 px
4. 4.♿ Does this help everyone, or make the app harder to use: captions on videos? (a) makes it harder (b) helps everyone
5. 5.♿ What should every icon-only button have for screen readers? (a) a bright colour (b) a sound (c) a text label (d) a long animation
6. 6.True or false: “strong colour contrast” helps everyone use the app. (a) False (b) True
7. 7.Which of these helps everyone use the app? (a) icons with no labels (b) sudden loud sounds (c) captions on videos (d) fast-flashing lights
8. 8.True or false: “big touch targets” helps everyone use the app. (a) False (b) True
9. 9.♿ Does this help everyone, or make the app harder to use: strong colour contrast? (a) helps everyone (b) makes it harder
10. 10.Which of these makes the app harder to use? (a) labels on every icon (b) sudden loud sounds (c) big touch targets (d) captions on videos
11. 11.True or false: “icons with no labels” helps everyone use the app. (a) True (b) False
12. 12.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Label: 23 px
    Hint: 14 px
    Title: 17 px (a) Label (b) Hint (c) Title
13. 13.🔍 Which is the odd one out? (a) text that can grow (b) sudden loud sounds (c) big touch targets (d) labels on every icon
14. 14.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Menu: 9 px
    Label: 26 px
    Caption: 17 px
    Footer: 23 px (a) Footer (b) Label (c) Caption (d) Menu
15. 15.♿ What does a screen reader do? (a) reads the screen aloud (b) makes text tiny (c) plays music (d) takes photos
16. 16.♿ Does this help everyone, or make the app harder to use: text that can grow? (a) makes it harder (b) helps everyone
17. 17.♿ A screen has 7 icon buttons. Only 6 of them have a text label for screen readers. How many still need a label?
18. 18.♿ A screen has 8 icon buttons. Only 6 of them have a text label for screen readers. How many still need a label?
19. 19.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Hint: 26 px
    Title: 10 px
    Body text: 27 px (a) Hint (b) Title (c) Body text
20. 20.♿ Accessibility means an app works for ___. (a) everyone (b) only experts (c) only the coder (d) nobody
21. 21.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
    Hint: 21 px
    Title: 19 px
    Body text: 13 px
    Caption: 16 px
    Footer: 21 px
22. 22.True or false: “colour as the only clue” helps everyone use the app. (a) True (b) False
23. 23.🔍 Which is the odd one out? (a) labels on every icon (b) text that can grow (c) icons with no labels (d) big touch targets
24. 24.♿ Does this help everyone, or make the app harder to use: sudden loud sounds? (a) makes it harder (b) helps everyone
25. 25.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
    Label: 21 px
    Menu: 10 px
    Body text: 11 px
26. 26.Which of these helps everyone use the app? (a) icons with no labels (b) big touch targets (c) tiny tap areas (d) fast-flashing lights
27. 27.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Caption: 28 px
    Hint: 21 px
    Menu: 9 px
    Title: 27 px (a) Hint (b) Menu (c) Title (d) Caption
28. 28.Which of these makes the app harder to use? (a) colour as the only clue (b) strong colour contrast (c) captions on videos (d) labels on every icon
29. 29.True or false: “captions on videos” makes the app harder to use. (a) False (b) True
30. 30.♿ A screen has 5 icon buttons. Only 3 of them have a text label for screen readers. How many still need a label?
31. 31.Which of these helps everyone use the app? (a) tiny tap areas (b) sudden loud sounds (c) labels on every icon (d) colour as the only clue
32. 32.♿ Does this help everyone, or make the app harder to use: fast-flashing lights? (a) makes it harder (b) helps everyone
33. 33.♿ A screen has 12 icon buttons. Only 10 of them have a text label for screen readers. How many still need a label?
34. 34.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
    Body text: 22 px
    Label: 18 px
    Hint: 22 px
    Footer: 18 px
    Title: 19 px
35. 35.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Footer: 12 px
    Menu: 24 px
    Label: 21 px
    Body text: 28 px (a) Body text (b) Footer (c) Label (d) Menu
36. 36.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Label: 24 px
    Body text: 17 px
    Caption: 10 px
    Hint: 16 px (a) Label (b) Body text (c) Hint (d) Caption
37. 37.🔍 Which is the odd one out? (a) colour as the only clue (b) big touch targets (c) labels on every icon (d) captions on videos
38. 38.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Footer: 14 px
    Hint: 17 px
    Menu: 16 px
    Title: 20 px
    Body text: 20 px (a) Title (b) Menu (c) Hint (d) Footer
39. 39.Which of these makes the app harder to use? (a) fast-flashing lights (b) labels on every icon (c) text that can grow (d) big touch targets
40. 40.🔍 Which is the odd one out? (a) icons with no labels (b) colour as the only clue (c) tiny tap areas (d) labels on every icon

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