App Dev Worksheet: Accessibility

App development lesson 13: Accessibility · Set 128 · 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 of these helps everyone use the app? (a) colour as the only clue (b) icons with no labels (c) tiny tap areas (d) big touch targets
2. 2.♿ Does this help everyone, or make the app harder to use: tiny tap areas? (a) helps everyone (b) makes it harder
3. 3.Which of these makes the app harder to use? (a) labels on every icon (b) strong colour contrast (c) text that can grow (d) sudden loud sounds
4. 4.♿ Accessibility means an app works for ___. (a) only the coder (b) nobody (c) everyone (d) only experts
5. 5.🔍 Which is the odd one out? (a) sudden loud sounds (b) big touch targets (c) strong colour contrast (d) text that can grow
6. 6.True or false: “labels on every icon” helps everyone use the app. (a) False (b) True
7. 7.Which of these helps everyone use the app? (a) tiny tap areas (b) icons with no labels (c) strong colour contrast (d) sudden loud sounds
8. 8.♿ What does a screen reader do? (a) makes text tiny (b) takes photos (c) reads the screen aloud (d) plays music
9. 9.♿ Does this help everyone, or make the app harder to use: fast-flashing lights? (a) helps everyone (b) makes it harder
10. 10.True or false: “big touch targets” helps everyone use the app. (a) True (b) False
11. 11.♿ Does this help everyone, or make the app harder to use: strong colour contrast? (a) makes it harder (b) helps everyone
12. 12.♿ What should every icon-only button have for screen readers? (a) a long animation (b) a sound (c) a bright colour (d) a text label
13. 13.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
    Menu: 20 px
    Title: 20 px
    Caption: 15 px
    Hint: 15 px
14. 14.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
    Footer: 15 px
    Menu: 21 px
    Caption: 14 px
    Title: 11 px
    Label: 21 px
15. 15.♿ Does this help everyone, or make the app harder to use: colour as the only clue? (a) helps everyone (b) makes it harder
16. 16.♿ Does this help everyone, or make the app harder to use: text that can grow? (a) helps everyone (b) makes it harder
17. 17.🔍 Which is the odd one out? (a) captions on videos (b) labels on every icon (c) text that can grow (d) fast-flashing lights
18. 18.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Caption: 20 px
    Title: 14 px
    Body text: 23 px
    Label: 16 px
    Menu: 23 px (a) Title (b) Caption (c) Body text (d) Label
19. 19.♿ Does this help everyone, or make the app harder to use: icons with no labels? (a) helps everyone (b) makes it harder
20. 20.🔍 Which is the odd one out? (a) tiny tap areas (b) sudden loud sounds (c) fast-flashing lights (d) strong colour contrast
21. 21.♿ A screen has 10 icon buttons. Only 8 of them have a text label for screen readers. How many still need a label?
22. 22.♿ Does this help everyone, or make the app harder to use: labels on every icon? (a) makes it harder (b) helps everyone
23. 23.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Label: 26 px
    Footer: 12 px
    Body text: 22 px
    Menu: 21 px
    Title: 20 px (a) Label (b) Body text (c) Menu (d) Footer
24. 24.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
    Label: 18 px
    Title: 17 px
    Caption: 21 px
    Body text: 14 px
    Footer: 21 px
25. 25.Which of these helps everyone use the app? (a) tiny tap areas (b) colour as the only clue (c) fast-flashing lights (d) text that can grow
26. 26.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Hint: 28 px
    Footer: 12 px
    Title: 23 px (a) Hint (b) Title (c) Footer
27. 27.♿ Does this help everyone, or make the app harder to use: big touch targets? (a) makes it harder (b) helps everyone
28. 28.♿ A screen has 9 icon buttons. Only 7 of them have a text label for screen readers. How many still need a label?
29. 29.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Footer: 27 px
    Hint: 18 px
    Body text: 17 px
    Title: 26 px
    Label: 10 px (a) Footer (b) Label (c) Hint (d) Body text
30. 30.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Footer: 11 px
    Title: 23 px
    Body text: 24 px (a) Body text (b) Title (c) Footer
31. 31.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Caption: 10 px
    Menu: 22 px
    Footer: 24 px
    Hint: 26 px
    Title: 21 px (a) Caption (b) Footer (c) Menu (d) Hint
32. 32.♿ Showing right or wrong only in red and green is a problem for ___. (a) fast typists (b) the server (c) the battery (d) colour-blind users
33. 33.True or false: “icons with no labels” makes the app harder to use. (a) False (b) True
34. 34.🔍 Which is the odd one out? (a) big touch targets (b) captions on videos (c) colour as the only clue (d) labels on every icon
35. 35.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Menu: 27 px
    Hint: 23 px
    Label: 9 px
    Footer: 19 px (a) Label (b) Hint (c) Menu (d) Footer
36. 36.♿ A screen has 5 icon buttons. Only 1 of them have a text label for screen readers. How many still need a label?
37. 37.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Body text: 11 px
    Hint: 17 px
    Label: 23 px
    Caption: 19 px
    Title: 21 px (a) Label (b) Caption (c) Body text (d) Hint
38. 38.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Title: 22 px
    Label: 9 px
    Menu: 16 px
    Hint: 23 px
    Caption: 16 px (a) Label (b) Title (c) Hint (d) Menu
39. 39.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Footer: 13 px
    Caption: 26 px
    Menu: 25 px (a) Menu (b) Footer (c) Caption
40. 40.Which of these helps everyone use the app? (a) icons with no labels (b) fast-flashing lights (c) tiny tap areas (d) captions on videos

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