App Dev Worksheet: Accessibility

App development lesson 13: Accessibility · Set 545 · 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. Which text on this screen is too small?
   Body text: 22 px
   Menu: 26 px
   Title: 18 px
   Footer: 12 px
   Label: 25 px (a) Body text (b) Title (c) Footer (d) Menu
2. 2.True or false: “labels on every icon” helps everyone use the app. (a) False (b) True
3. 3.True or false: “strong colour contrast” helps everyone use the app. (a) False (b) True
4. 4.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
   Title: 17 px
   Body text: 26 px
   Menu: 10 px
   Label: 27 px (a) Label (b) Menu (c) Title (d) Body text
5. 5.True or false: “text that can grow” makes the app harder to use. (a) True (b) False
6. 6.Which of these makes the app harder to use? (a) strong colour contrast (b) colour as the only clue (c) labels on every icon (d) captions on videos
7. 7.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
   Caption: 21 px
   Body text: 22 px
   Title: 9 px (a) Caption (b) Title (c) Body text
8. 8.♿ Showing right or wrong only in red and green is a problem for ___. (a) the server (b) fast typists (c) colour-blind users (d) the battery
9. 9.♿ Does this help everyone, or make the app harder to use: text that can grow? (a) makes it harder (b) helps everyone
10. 10.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Body text: 12 px
    Caption: 16 px
    Title: 27 px
    Menu: 18 px
    Hint: 22 px (a) Body text (b) Title (c) Caption (d) Menu
11. 11.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
    Body text: 20 px
    Menu: 18 px
    Title: 13 px
    Hint: 24 px
    Caption: 23 px
12. 12.Which of these makes the app harder to use? (a) strong colour contrast (b) captions on videos (c) big touch targets (d) sudden loud sounds
13. 13.True or false: “big touch targets” helps everyone use the app. (a) True (b) False
14. 14.Which of these helps everyone use the app? (a) colour as the only clue (b) sudden loud sounds (c) text that can grow (d) icons with no labels
15. 15.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
    Caption: 22 px
    Body text: 22 px
    Footer: 17 px
    Menu: 10 px
    Title: 11 px
16. 16.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Footer: 14 px
    Menu: 21 px
    Body text: 21 px
    Caption: 18 px
    Hint: 17 px (a) Menu (b) Body text (c) Footer (d) Caption
17. 17.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Menu: 19 px
    Hint: 9 px
    Title: 17 px
    Label: 19 px (a) Label (b) Hint (c) Menu (d) Title
18. 18.♿ 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
19. 19.♿ Accessibility means an app works for ___. (a) only experts (b) only the coder (c) nobody (d) everyone
20. 20.♿ A screen has 5 icon buttons. Only 1 of them have a text label for screen readers. How many still need a label?
21. 21.Which of these makes the app harder to use? (a) captions on videos (b) labels on every icon (c) strong colour contrast (d) fast-flashing lights
22. 22.♿ Why add captions to videos? (a) so anyone can follow (b) to hide the sound (c) to slow them down (d) to add colour
23. 23.🔍 Which is the odd one out? (a) text that can grow (b) colour as the only clue (c) strong colour contrast (d) big touch targets
24. 24.🔍 Which is the odd one out? (a) strong colour contrast (b) fast-flashing lights (c) colour as the only clue (d) tiny tap areas
25. 25.🔍 Which is the odd one out? (a) big touch targets (b) colour as the only clue (c) sudden loud sounds (d) fast-flashing lights
26. 26.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
    Hint: 20 px
    Caption: 24 px
    Body text: 11 px
27. 27.♿ What does a screen reader do? (a) makes text tiny (b) reads the screen aloud (c) plays music (d) takes photos
28. 28.True or false: “colour as the only clue” makes the app harder to use. (a) True (b) False
29. 29.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Footer: 19 px
    Body text: 13 px
    Menu: 26 px (a) Footer (b) Body text (c) Menu
30. 30.True or false: “icons with no labels” makes the app harder to use. (a) False (b) True
31. 31.♿ A screen has 6 icon buttons. Only 2 of them have a text label for screen readers. How many still need a label?
32. 32.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Title: 23 px
    Caption: 11 px
    Label: 21 px (a) Title (b) Label (c) Caption
33. 33.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
    Label: 20 px
    Hint: 12 px
    Menu: 23 px
34. 34.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
    Menu: 11 px
    Title: 10 px
    Label: 14 px
35. 35.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
    Footer: 16 px
    Title: 12 px
    Label: 10 px
    Caption: 18 px
    Body text: 24 px
36. 36.Which of these helps everyone use the app? (a) icons with no labels (b) colour as the only clue (c) strong colour contrast (d) sudden loud sounds
37. 37.♿ Does this help everyone, or make the app harder to use: fast-flashing lights? (a) makes it harder (b) helps everyone
38. 38.🔍 Which is the odd one out? (a) fast-flashing lights (b) tiny tap areas (c) icons with no labels (d) text that can grow
39. 39.♿ A screen has 7 icon buttons. Only 2 of them have a text label for screen readers. How many still need a label?
40. 40.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Body text: 27 px
    Footer: 22 px
    Hint: 12 px (a) Body text (b) Footer (c) Hint

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