App Dev Worksheet: Accessibility

App development lesson 13: Accessibility · Set 467 · 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.♿ Does this help everyone, or make the app harder to use: icons with no labels? (a) helps everyone (b) makes it harder
2. 2.♿ Showing right or wrong only in red and green is a problem for ___. (a) colour-blind users (b) the server (c) fast typists (d) the battery
3. 3.Which of these helps everyone use the app? (a) icons with no labels (b) captions on videos (c) sudden loud sounds (d) tiny tap areas
4. 4.🔍 Which is the odd one out? (a) colour as the only clue (b) tiny tap areas (c) big touch targets (d) icons with no labels
5. 5.🔍 Which is the odd one out? (a) tiny tap areas (b) text that can grow (c) colour as the only clue (d) fast-flashing lights
6. 6.♿ Does this help everyone, or make the app harder to use: strong colour contrast? (a) makes it harder (b) helps everyone
7. 7.♿ A screen has 6 icon buttons. Only 5 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: text that can grow? (a) makes it harder (b) helps everyone
9. 9.♿ A screen has 9 icon buttons. Only 2 of them have a text label for screen readers. How many still need a label?
10. 10.♿ Does this help everyone, or make the app harder to use: big touch targets? (a) makes it harder (b) helps everyone
11. 11.♿ A screen has 8 icon buttons. Only 3 of them have a text label for screen readers. How many still need a label?
12. 12.Which of these helps everyone use the app? (a) colour as the only clue (b) tiny tap areas (c) text that can grow (d) icons with no labels
13. 13.♿ A screen has 12 icon buttons. Only 1 of them have a text label for screen readers. How many still need a label?
14. 14.♿ Does this help everyone, or make the app harder to use: tiny tap areas? (a) helps everyone (b) makes it harder
15. 15.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Hint: 27 px
    Label: 12 px
    Footer: 28 px (a) Label (b) Hint (c) Footer
16. 16.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
    Title: 24 px
    Menu: 15 px
    Hint: 13 px
    Caption: 12 px
17. 17.♿ A screen has 9 icon buttons. Only 1 of them have a text label for screen readers. How many still need a label?
18. 18.🔍 Which is the odd one out? (a) tiny tap areas (b) big touch targets (c) strong colour contrast (d) text that can grow
19. 19.🔍 Which is the odd one out? (a) sudden loud sounds (b) colour as the only clue (c) fast-flashing lights (d) labels on every icon
20. 20.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Caption: 11 px
    Footer: 24 px
    Label: 17 px
    Menu: 17 px
    Body text: 28 px (a) Label (b) Menu (c) Footer (d) Caption
21. 21.Which of these makes the app harder to use? (a) icons with no labels (b) big touch targets (c) labels on every icon (d) text that can grow
22. 22.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
    Menu: 12 px
    Body text: 16 px
    Footer: 20 px
    Hint: 23 px
    Caption: 24 px
23. 23.🔍 Which is the odd one out? (a) text that can grow (b) labels on every icon (c) captions on videos (d) colour as the only clue
24. 24.True or false: “colour as the only clue” makes the app harder to use. (a) False (b) True
25. 25.♿ Does this help everyone, or make the app harder to use: captions on videos? (a) helps everyone (b) makes it harder
26. 26.♿ A screen has 9 icon buttons. Only 7 of them have a text label for screen readers. How many still need a label?
27. 27.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
    Body text: 12 px
    Hint: 16 px
    Footer: 23 px
28. 28.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Body text: 22 px
    Caption: 9 px
    Hint: 21 px
    Footer: 16 px
    Menu: 27 px (a) Hint (b) Footer (c) Body text (d) Caption
29. 29.♿ Accessibility means an app works for ___. (a) only the coder (b) everyone (c) nobody (d) only experts
30. 30.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
    Body text: 12 px
    Menu: 11 px
    Label: 19 px
31. 31.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Label: 14 px
    Hint: 17 px
    Title: 28 px (a) Label (b) Title (c) Hint
32. 32.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Hint: 11 px
    Footer: 27 px
    Caption: 23 px (a) Caption (b) Hint (c) Footer
33. 33.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
    Body text: 12 px
    Title: 11 px
    Label: 10 px
    Hint: 21 px
34. 34.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Caption: 10 px
    Menu: 28 px
    Body text: 21 px (a) Caption (b) Menu (c) Body text
35. 35.♿ What should every icon-only button have for screen readers? (a) a sound (b) a bright colour (c) a long animation (d) a text label
36. 36.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Menu: 20 px
    Hint: 24 px
    Body text: 11 px (a) Hint (b) Menu (c) Body text
37. 37.True or false: “icons with no labels” helps everyone use the app. (a) False (b) True
38. 38.♿ What does a screen reader do? (a) plays music (b) makes text tiny (c) reads the screen aloud (d) takes photos
39. 39.♿ A screen has 8 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. How many texts on this screen are too small?
    Menu: 20 px
    Label: 12 px
    Footer: 16 px
    Hint: 17 px

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