App Dev Worksheet: Accessibility

App development lesson 13: Accessibility · Set 399 · 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.🔍 Which is the odd one out? (a) big touch targets (b) labels on every icon (c) fast-flashing lights (d) captions on videos
2. 2.♿ Does this help everyone, or make the app harder to use: captions on videos? (a) helps everyone (b) makes it harder
3. 3.♿ What should every icon-only button have for screen readers? (a) a sound (b) a bright colour (c) a text label (d) a long animation
4. 4.Which of these helps everyone use the app? (a) sudden loud sounds (b) fast-flashing lights (c) tiny tap areas (d) strong colour contrast
5. 5.♿ Accessibility means an app works for ___. (a) everyone (b) only the coder (c) nobody (d) only experts
6. 6.Which of these helps everyone use the app? (a) tiny tap areas (b) icons with no labels (c) big touch targets (d) fast-flashing lights
7. 7.♿ A screen has 7 icon buttons. Only 1 of them have a text label for screen readers. How many still need a label?
8. 8.Which of these makes the app harder to use? (a) big touch targets (b) labels on every icon (c) sudden loud sounds (d) text that can grow
9. 9.True or false: “colour as the only clue” helps everyone use the app. (a) True (b) False
10. 10.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
    Body text: 10 px
    Caption: 13 px
    Hint: 22 px
    Footer: 24 px
11. 11.♿ Does this help everyone, or make the app harder to use: colour as the only clue? (a) helps everyone (b) makes it harder
12. 12.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Hint: 24 px
    Menu: 19 px
    Body text: 14 px (a) Menu (b) Body text (c) Hint
13. 13.Which of these makes the app harder to use? (a) text that can grow (b) labels on every icon (c) tiny tap areas (d) strong colour contrast
14. 14.♿ A screen has 5 icon buttons. Only 4 of them have a text label for screen readers. How many still need a label?
15. 15.♿ Showing right or wrong only in red and green is a problem for ___. (a) the server (b) colour-blind users (c) fast typists (d) the battery
16. 16.♿ Does this help everyone, or make the app harder to use: tiny tap areas? (a) makes it harder (b) helps everyone
17. 17.♿ What does a screen reader do? (a) reads the screen aloud (b) takes photos (c) plays music (d) makes text tiny
18. 18.🔍 Which is the odd one out? (a) icons with no labels (b) strong colour contrast (c) big touch targets (d) text that can grow
19. 19.♿ A screen has 11 icon buttons. Only 1 of them have a text label for screen readers. How many still need a label?
20. 20.🔍 Which is the odd one out? (a) tiny tap areas (b) fast-flashing lights (c) captions on videos (d) icons with no labels
21. 21.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Menu: 14 px
    Hint: 19 px
    Body text: 20 px (a) Menu (b) Hint (c) Body text
22. 22.🔍 Which is the odd one out? (a) icons with no labels (b) tiny tap areas (c) colour as the only clue (d) labels on every icon
23. 23.🔍 Which is the odd one out? (a) strong colour contrast (b) sudden loud sounds (c) captions on videos (d) labels on every icon
24. 24.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Hint: 27 px
    Title: 14 px
    Body text: 18 px
    Footer: 18 px (a) Title (b) Hint (c) Footer (d) Body text
25. 25.♿ A screen has 12 icon buttons. Only 4 of them have a text label for screen readers. How many still need a label?
26. 26.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Footer: 21 px
    Menu: 17 px
    Body text: 12 px
    Title: 28 px
    Hint: 17 px (a) Footer (b) Title (c) Body text (d) Menu
27. 27.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
    Footer: 21 px
    Caption: 14 px
    Hint: 17 px
    Menu: 14 px
    Title: 18 px
28. 28.♿ A screen has 10 icon buttons. Only 7 of them have a text label for screen readers. How many still need a label?
29. 29.🔍 Which is the odd one out? (a) sudden loud sounds (b) fast-flashing lights (c) tiny tap areas (d) big touch targets
30. 30.Which of these helps everyone use the app? (a) text that can grow (b) fast-flashing lights (c) icons with no labels (d) tiny tap areas
31. 31.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Title: 14 px
    Label: 17 px
    Footer: 23 px
    Hint: 18 px (a) Label (b) Title (c) Footer (d) Hint
32. 32.Which of these helps everyone use the app? (a) captions on videos (b) tiny tap areas (c) colour as the only clue (d) icons with no labels
33. 33.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
    Label: 20 px
    Menu: 15 px
    Body text: 11 px
    Title: 16 px
34. 34.True or false: “labels on every icon” helps everyone use the app. (a) False (b) True
35. 35.True or false: “big touch targets” makes the app harder to use. (a) True (b) False
36. 36.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
    Body text: 16 px
    Title: 23 px
    Hint: 19 px
    Label: 24 px
37. 37.♿ A screen has 11 icon buttons. Only 7 of them have a text label for screen readers. How many still need a label?
38. 38.True or false: “text that can grow” helps everyone use the app. (a) False (b) True
39. 39.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Label: 21 px
    Menu: 23 px
    Body text: 21 px
    Caption: 12 px
    Footer: 25 px (a) Label (b) Caption (c) Menu (d) Body text
40. 40.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Body text: 14 px
    Hint: 23 px
    Label: 18 px
    Footer: 20 px
    Menu: 18 px (a) Label (b) Hint (c) Footer (d) Body text

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