App Dev Worksheet: Accessibility

App development lesson 13: Accessibility · Set 689 · 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?
   Caption: 14 px
   Title: 11 px
   Footer: 21 px
2. 2.Which of these helps everyone use the app? (a) colour as the only clue (b) sudden loud sounds (c) icons with no labels (d) labels on every icon
3. 3.True or false: “text that can grow” 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?
   Body text: 16 px
   Hint: 11 px
   Title: 17 px (a) Body text (b) Title (c) Hint
5. 5.True or false: “text that can grow” helps everyone use the app. (a) False (b) True
6. 6.♿ A screen has 10 icon buttons. Only 4 of them have a text label for screen readers. How many still need a label?
7. 7.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
   Hint: 16 px
   Title: 11 px
   Footer: 25 px
   Caption: 17 px (a) Caption (b) Hint (c) Footer (d) Title
8. 8.True or false: “sudden loud sounds” helps everyone use the app. (a) False (b) True
9. 9.♿ What does a screen reader do? (a) makes text tiny (b) reads the screen aloud (c) plays music (d) takes photos
10. 10.Which of these makes the app harder to use? (a) big touch targets (b) colour as the only clue (c) captions on videos (d) labels on every icon
11. 11.True or false: “colour as the only clue” helps everyone use the app. (a) False (b) True
12. 12.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Menu: 13 px
    Title: 18 px
    Hint: 23 px
    Caption: 18 px (a) Title (b) Hint (c) Menu (d) Caption
13. 13.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Body text: 25 px
    Title: 17 px
    Menu: 13 px (a) Body text (b) Menu (c) Title
14. 14.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Hint: 18 px
    Title: 12 px
    Body text: 27 px
    Label: 21 px (a) Body text (b) Label (c) Title (d) Hint
15. 15.🔍 Which is the odd one out? (a) fast-flashing lights (b) big touch targets (c) colour as the only clue (d) tiny tap areas
16. 16.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Caption: 9 px
    Hint: 21 px
    Body text: 23 px
    Title: 18 px
    Label: 16 px (a) Hint (b) Title (c) Caption (d) Body text
17. 17.Which of these makes the app harder to use? (a) strong colour contrast (b) captions on videos (c) big touch targets (d) fast-flashing lights
18. 18.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
    Title: 23 px
    Label: 23 px
    Body text: 22 px
    Menu: 20 px
19. 19.True or false: “big touch targets” helps everyone use the app. (a) False (b) True
20. 20.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
    Footer: 10 px
    Caption: 22 px
    Body text: 13 px
    Menu: 21 px
    Hint: 17 px
21. 21.♿ A screen has 5 icon buttons. Only 1 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?
    Caption: 27 px
    Menu: 14 px
    Title: 24 px
    Hint: 16 px (a) Menu (b) Title (c) Hint (d) Caption
23. 23.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Title: 14 px
    Label: 17 px
    Footer: 23 px
    Hint: 25 px
    Body text: 24 px (a) Label (b) Hint (c) Title (d) Footer
24. 24.♿ Showing right or wrong only in red and green is a problem for ___. (a) fast typists (b) the battery (c) the server (d) colour-blind users
25. 25.♿ A screen has 10 icon buttons. Only 2 of them have a text label for screen readers. How many still need a label?
26. 26.True or false: “icons with no labels” helps everyone use the app. (a) True (b) False
27. 27.True or false: “strong colour contrast” helps everyone use the app. (a) True (b) False
28. 28.🔍 Which is the odd one out? (a) captions on videos (b) strong colour contrast (c) colour as the only clue (d) text that can grow
29. 29.🔍 Which is the odd one out? (a) sudden loud sounds (b) colour as the only clue (c) captions on videos (d) fast-flashing lights
30. 30.Which of these makes the app harder to use? (a) labels on every icon (b) icons with no labels (c) captions on videos (d) strong colour contrast
31. 31.♿ Does this help everyone, or make the app harder to use: icons with no labels? (a) makes it harder (b) helps everyone
32. 32.🔍 Which is the odd one out? (a) sudden loud sounds (b) fast-flashing lights (c) labels on every icon (d) colour as the only clue
33. 33.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Title: 22 px
    Label: 13 px
    Body text: 20 px
    Caption: 16 px
    Footer: 19 px (a) Caption (b) Title (c) Label (d) Body text
34. 34.Which of these helps everyone use the app? (a) icons with no labels (b) colour as the only clue (c) text that can grow (d) sudden loud sounds
35. 35.♿ Accessibility means an app works for ___. (a) nobody (b) only experts (c) only the coder (d) everyone
36. 36.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Title: 19 px
    Body text: 26 px
    Menu: 26 px
    Hint: 10 px (a) Body text (b) Title (c) Menu (d) Hint
37. 37.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Caption: 9 px
    Body text: 26 px
    Footer: 24 px
    Title: 28 px
    Label: 22 px (a) Title (b) Caption (c) Body text (d) Footer
38. 38.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Caption: 20 px
    Title: 21 px
    Hint: 17 px
    Footer: 13 px (a) Hint (b) Caption (c) Footer (d) Title
39. 39.♿ A screen has 5 icon buttons. Only 4 of them have a text label for screen readers. How many still need a label?
40. 40.♿ Does this help everyone, or make the app harder to use: colour as the only clue? (a) makes it harder (b) helps everyone

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