App Dev Worksheet: Accessibility

App development lesson 13: Accessibility · Set 515 · 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?
   Title: 12 px
   Menu: 21 px
   Label: 19 px
   Body text: 13 px
2. 2.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
   Title: 21 px
   Hint: 14 px
   Body text: 24 px (a) Hint (b) Title (c) Body text
3. 3.♿ Accessibility means an app works for ___. (a) only the coder (b) everyone (c) nobody (d) only experts
4. 4.🔍 Which is the odd one out? (a) colour as the only clue (b) sudden loud sounds (c) tiny tap areas (d) labels on every icon
5. 5.🔍 Which is the odd one out? (a) labels on every icon (b) colour as the only clue (c) text that can grow (d) big touch targets
6. 6.♿ A screen has 12 icon buttons. Only 3 of them have a text label for screen readers. How many still need a label?
7. 7.♿ A screen has 5 icon buttons. Only 2 of them have a text label for screen readers. How many still need a label?
8. 8.♿ Does this help everyone, or make the app harder to use: labels on every icon? (a) makes it harder (b) helps everyone
9. 9.True or false: “text that can grow” makes the app harder to use. (a) False (b) True
10. 10.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
    Menu: 13 px
    Hint: 22 px
    Title: 23 px
    Footer: 15 px
    Body text: 21 px
11. 11.♿ Does this help everyone, or make the app harder to use: fast-flashing lights? (a) helps everyone (b) makes it harder
12. 12.♿ What does a screen reader do? (a) reads the screen aloud (b) takes photos (c) plays music (d) makes text tiny
13. 13.Which of these helps everyone use the app? (a) icons with no labels (b) fast-flashing lights (c) colour as the only clue (d) big touch targets
14. 14.🔍 Which is the odd one out? (a) labels on every icon (b) fast-flashing lights (c) text that can grow (d) big touch targets
15. 15.♿ A screen has 11 icon buttons. Only 10 of them have a text label for screen readers. How many still need a label?
16. 16.♿ A screen has 10 icon buttons. Only 7 of them have a text label for screen readers. How many still need a label?
17. 17.Which of these helps everyone use the app? (a) tiny tap areas (b) text that can grow (c) icons with no labels (d) colour as the only clue
18. 18.True or false: “tiny tap areas” helps everyone use the app. (a) True (b) False
19. 19.♿ A screen has 8 icon buttons. Only 2 of them have a text label for screen readers. How many still need a label?
20. 20.♿ A screen has 8 icon buttons. Only 6 of them have a text label for screen readers. How many still need a label?
21. 21.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Body text: 28 px
    Menu: 16 px
    Title: 25 px
    Footer: 12 px (a) Body text (b) Footer (c) Menu (d) Title
22. 22.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Footer: 19 px
    Caption: 24 px
    Label: 14 px (a) Footer (b) Caption (c) Label
23. 23.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Body text: 28 px
    Title: 11 px
    Menu: 16 px (a) Menu (b) Title (c) Body text
24. 24.♿ A screen has 7 icon buttons. Only 4 of them have a text label for screen readers. How many still need a label?
25. 25.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
    Menu: 13 px
    Body text: 16 px
    Caption: 14 px
26. 26.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
    Title: 16 px
    Body text: 18 px
    Footer: 13 px
    Label: 22 px
    Menu: 21 px
27. 27.♿ Showing right or wrong only in red and green is a problem for ___. (a) colour-blind users (b) the battery (c) the server (d) fast typists
28. 28.♿ What should every icon-only button have for screen readers? (a) a bright colour (b) a text label (c) a long animation (d) a sound
29. 29.♿ Does this help everyone, or make the app harder to use: text that can grow? (a) makes it harder (b) helps everyone
30. 30.Which of these makes the app harder to use? (a) text that can grow (b) big touch targets (c) colour as the only clue (d) labels on every icon
31. 31.♿ Why add captions to videos? (a) to hide the sound (b) to add colour (c) so anyone can follow (d) to slow them down
32. 32.♿ A screen has 8 icon buttons. Only 3 of them have a text label for screen readers. How many still need a label?
33. 33.♿ Does this help everyone, or make the app harder to use: captions on videos? (a) helps everyone (b) makes it harder
34. 34.Which of these makes the app harder to use? (a) big touch targets (b) text that can grow (c) labels on every icon (d) icons with no labels
35. 35.♿ A screen has 9 icon buttons. Only 7 of them have a text label for screen readers. How many still need a label?
36. 36.True or false: “icons with no labels” helps everyone use the app. (a) True (b) False
37. 37.♿ A screen has 5 icon buttons. Only 3 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. How many texts on this screen are too small?
    Caption: 15 px
    Menu: 21 px
    Hint: 17 px
    Footer: 24 px
    Body text: 23 px
39. 39.Which of these helps everyone use the app? (a) tiny tap areas (b) fast-flashing lights (c) sudden loud sounds (d) strong colour contrast
40. 40.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Footer: 18 px
    Menu: 14 px
    Title: 19 px (a) Footer (b) Menu (c) Title

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