App Dev Worksheet: Accessibility

App development lesson 13: Accessibility · Set 162 · 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?
   Footer: 16 px
   Body text: 14 px
   Caption: 22 px (a) Body text (b) Caption (c) Footer
2. 2.♿ What does a screen reader do? (a) makes text tiny (b) takes photos (c) reads the screen aloud (d) plays music
3. 3.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
   Hint: 14 px
   Menu: 23 px
   Footer: 21 px (a) Hint (b) Footer (c) Menu
4. 4.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
   Caption: 22 px
   Hint: 10 px
   Title: 28 px
   Footer: 25 px
   Label: 22 px (a) Caption (b) Title (c) Footer (d) Hint
5. 5.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
   Title: 10 px
   Label: 19 px
   Caption: 24 px
   Footer: 19 px
   Hint: 13 px
6. 6.Which of these makes the app harder to use? (a) fast-flashing lights (b) big touch targets (c) strong colour contrast (d) text that can grow
7. 7.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
   Menu: 20 px
   Label: 14 px
   Hint: 21 px
   Title: 24 px
   Caption: 20 px
8. 8.♿ Does this help everyone, or make the app harder to use: text that can grow? (a) makes it harder (b) helps everyone
9. 9.Which of these helps everyone use the app? (a) icons with no labels (b) sudden loud sounds (c) big touch targets (d) tiny tap areas
10. 10.True or false: “text that can grow” helps everyone use the app. (a) False (b) True
11. 11.Which of these helps everyone use the app? (a) labels on every icon (b) colour as the only clue (c) tiny tap areas (d) icons with no labels
12. 12.♿ Accessibility means an app works for ___. (a) only experts (b) nobody (c) only the coder (d) everyone
13. 13.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
    Hint: 13 px
    Body text: 11 px
    Caption: 19 px
    Label: 20 px
    Title: 15 px
14. 14.♿ Does this help everyone, or make the app harder to use: big touch targets? (a) makes it harder (b) helps everyone
15. 15.♿ 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
16. 16.♿ A screen has 7 icon buttons. Only 2 of them have a text label for screen readers. How many still need a label?
17. 17.True or false: “labels on every icon” makes the app harder to use. (a) True (b) False
18. 18.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Body text: 9 px
    Label: 22 px
    Caption: 25 px (a) Body text (b) Caption (c) Label
19. 19.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Title: 9 px
    Hint: 24 px
    Caption: 20 px
    Label: 28 px
    Menu: 27 px (a) Caption (b) Title (c) Hint (d) Label
20. 20.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
    Menu: 18 px
    Footer: 10 px
    Title: 21 px
    Hint: 19 px
    Caption: 11 px
21. 21.♿ What should every icon-only button have for screen readers? (a) a text label (b) a long animation (c) a bright colour (d) a sound
22. 22.True or false: “strong colour contrast” makes the app harder to use. (a) True (b) False
23. 23.♿ Does this help everyone, or make the app harder to use: colour as the only clue? (a) helps everyone (b) makes it harder
24. 24.🔍 Which is the odd one out? (a) colour as the only clue (b) captions on videos (c) big touch targets (d) labels on every icon
25. 25.♿ Why add captions to videos? (a) to slow them down (b) to add colour (c) so anyone can follow (d) to hide the sound
26. 26.Which of these makes the app harder to use? (a) labels on every icon (b) strong colour contrast (c) icons with no labels (d) text that can grow
27. 27.True or false: “fast-flashing lights” helps everyone use the app. (a) False (b) True
28. 28.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Menu: 17 px
    Caption: 12 px
    Hint: 20 px
    Title: 26 px
    Label: 19 px (a) Menu (b) Title (c) Caption (d) Hint
29. 29.♿ A screen has 5 icon buttons. Only 1 of them have a text label for screen readers. How many still need a label?
30. 30.♿ Does this help everyone, or make the app harder to use: sudden loud sounds? (a) helps everyone (b) makes it harder
31. 31.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Body text: 20 px
    Menu: 10 px
    Label: 16 px
    Footer: 19 px
    Hint: 22 px (a) Label (b) Menu (c) Footer (d) Body text
32. 32.🔍 Which is the odd one out? (a) icons with no labels (b) labels on every icon (c) big touch targets (d) text that can grow
33. 33.♿ A screen has 8 icon buttons. Only 7 of them have a text label for screen readers. How many still need a label?
34. 34.True or false: “captions on videos” makes the app harder to use. (a) False (b) True
35. 35.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Label: 12 px
    Body text: 26 px
    Footer: 24 px
    Hint: 24 px
    Menu: 25 px (a) Hint (b) Label (c) Footer (d) Body text
36. 36.Which of these helps everyone use the app? (a) colour as the only clue (b) captions on videos (c) icons with no labels (d) sudden loud sounds
37. 37.🔍 Which is the odd one out? (a) sudden loud sounds (b) icons with no labels (c) captions on videos (d) colour as the only clue
38. 38.Which of these helps everyone use the app? (a) colour as the only clue (b) icons with no labels (c) strong colour contrast (d) tiny tap areas
39. 39.♿ Does this help everyone, or make the app harder to use: icons with no labels? (a) helps everyone (b) makes it harder
40. 40.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
    Label: 21 px
    Body text: 22 px
    Footer: 12 px

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