App Dev Worksheet: Accessibility

App development lesson 13: Accessibility · Set 836 · 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: 22 px
   Footer: 19 px
   Label: 23 px
2. 2.♿ Accessibility means an app works for ___. (a) nobody (b) everyone (c) only the coder (d) only experts
3. 3.🔍 Which is the odd one out? (a) fast-flashing lights (b) colour as the only clue (c) strong colour contrast (d) tiny tap areas
4. 4.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
   Footer: 21 px
   Label: 16 px
   Title: 17 px
   Body text: 11 px
5. 5.True or false: “icons with no labels” helps everyone use the app. (a) True (b) False
6. 6.♿ A screen has 11 icon buttons. Only 3 of them have a text label for screen readers. How many still need a label?
7. 7.Which of these makes the app harder to use? (a) captions on videos (b) fast-flashing lights (c) big touch targets (d) text that can grow
8. 8.🔍 Which is the odd one out? (a) big touch targets (b) strong colour contrast (c) fast-flashing lights (d) labels on every icon
9. 9.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
   Caption: 11 px
   Footer: 13 px
   Title: 10 px
10. 10.♿ A screen has 9 icon buttons. Only 5 of them have a text label for screen readers. How many still need a label?
11. 11.Which of these helps everyone use the app? (a) strong colour contrast (b) icons with no labels (c) fast-flashing lights (d) colour as the only clue
12. 12.True or false: “text that can grow” helps everyone use the app. (a) True (b) False
13. 13.♿ Does this help everyone, or make the app harder to use: labels on every icon? (a) makes it harder (b) helps everyone
14. 14.♿ A screen has 6 icon buttons. Only 5 of them have a text label for screen readers. How many still need a label?
15. 15.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Menu: 19 px
    Caption: 24 px
    Title: 18 px
    Label: 25 px
    Body text: 12 px (a) Body text (b) Caption (c) Title (d) Menu
16. 16.♿ A screen has 6 icon buttons. Only 2 of them have a text label for screen readers. How many still need a label?
17. 17.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Body text: 17 px
    Menu: 14 px
    Title: 16 px
    Hint: 16 px
    Label: 17 px (a) Hint (b) Title (c) Menu (d) Body text
18. 18.♿ Showing right or wrong only in red and green is a problem for ___. (a) the battery (b) fast typists (c) the server (d) colour-blind users
19. 19.♿ Why add captions to videos? (a) to slow them down (b) to add colour (c) so anyone can follow (d) to hide the sound
20. 20.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Caption: 28 px
    Label: 18 px
    Body text: 11 px
    Title: 17 px
    Menu: 19 px (a) Caption (b) Title (c) Label (d) Body text
21. 21.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Title: 23 px
    Hint: 18 px
    Label: 10 px (a) Hint (b) Label (c) Title
22. 22.♿ Does this help everyone, or make the app harder to use: text that can grow? (a) makes it harder (b) helps everyone
23. 23.True or false: “big touch targets” makes the app harder to use. (a) True (b) False
24. 24.Which of these makes the app harder to use? (a) captions on videos (b) text that can grow (c) sudden loud sounds (d) strong colour contrast
25. 25.True or false: “captions on videos” makes the app harder to use. (a) False (b) True
26. 26.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Title: 16 px
    Footer: 16 px
    Body text: 10 px (a) Body text (b) Footer (c) Title
27. 27.♿ Does this help everyone, or make the app harder to use: colour as the only clue? (a) makes it harder (b) helps everyone
28. 28.🔍 Which is the odd one out? (a) strong colour contrast (b) labels on every icon (c) sudden loud sounds (d) text that can grow
29. 29.🔍 Which is the odd one out? (a) captions on videos (b) text that can grow (c) icons with no labels (d) big touch targets
30. 30.♿ Does this help everyone, or make the app harder to use: tiny tap areas? (a) helps everyone (b) makes it harder
31. 31.🔍 Which is the odd one out? (a) strong colour contrast (b) labels on every icon (c) captions on videos (d) colour as the only clue
32. 32.Which of these makes the app harder to use? (a) tiny tap areas (b) text that can grow (c) strong colour contrast (d) labels on every icon
33. 33.🔍 Which is the odd one out? (a) captions on videos (b) tiny tap areas (c) labels on every icon (d) strong colour contrast
34. 34.♿ Does this help everyone, or make the app harder to use: fast-flashing lights? (a) helps everyone (b) makes it harder
35. 35.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
    Caption: 13 px
    Title: 20 px
    Footer: 12 px
    Label: 12 px
36. 36.♿ A screen has 5 icon buttons. Only 2 of them have a text label for screen readers. How many still need a label?
37. 37.♿ A screen has 7 icon buttons. Only 6 of them have a text label for screen readers. How many still need a label?
38. 38.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Title: 21 px
    Label: 23 px
    Menu: 9 px
    Footer: 27 px (a) Footer (b) Label (c) Menu (d) Title
39. 39.♿ What does a screen reader do? (a) reads the screen aloud (b) takes photos (c) makes text tiny (d) plays music
40. 40.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Label: 27 px
    Title: 24 px
    Body text: 11 px (a) Label (b) Body text (c) Title

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