App Dev Worksheet: Accessibility

App development lesson 13: Accessibility · Set 736 · 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) big touch targets (b) icons with no labels (c) tiny tap areas (d) colour as the only clue
2. 2.♿ Does this help everyone, or make the app harder to use: icons with no labels? (a) helps everyone (b) makes it harder
3. 3.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
   Hint: 14 px
   Caption: 26 px
   Menu: 16 px (a) Caption (b) Menu (c) Hint
4. 4.♿ Showing right or wrong only in red and green is a problem for ___. (a) fast typists (b) colour-blind users (c) the server (d) the battery
5. 5.Which of these helps everyone use the app? (a) colour as the only clue (b) sudden loud sounds (c) icons with no labels (d) labels on every icon
6. 6.♿ Does this help everyone, or make the app harder to use: fast-flashing lights? (a) makes it harder (b) helps everyone
7. 7.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
   Title: 22 px
   Caption: 9 px
   Menu: 25 px (a) Caption (b) Title (c) Menu
8. 8.♿ What should every icon-only button have for screen readers? (a) a text label (b) a bright colour (c) a sound (d) a long animation
9. 9.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
   Label: 20 px
   Footer: 10 px
   Hint: 18 px (a) Hint (b) Label (c) Footer
10. 10.🔍 Which is the odd one out? (a) tiny tap areas (b) strong colour contrast (c) big touch targets (d) labels on every icon
11. 11.Which of these helps everyone use the app? (a) sudden loud sounds (b) tiny tap areas (c) strong colour contrast (d) fast-flashing lights
12. 12.True or false: “strong colour contrast” helps everyone use the app. (a) False (b) True
13. 13.True or false: “sudden loud sounds” helps everyone use the app. (a) False (b) True
14. 14.♿ Why add captions to videos? (a) so anyone can follow (b) to hide the sound (c) to slow them down (d) to add colour
15. 15.True or false: “big touch targets” makes the app harder to use. (a) False (b) True
16. 16.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Footer: 28 px
    Title: 9 px
    Hint: 26 px (a) Hint (b) Footer (c) Title
17. 17.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Footer: 21 px
    Body text: 26 px
    Hint: 19 px
    Title: 27 px
    Menu: 11 px (a) Body text (b) Menu (c) Footer (d) Hint
18. 18.Which of these makes the app harder to use? (a) strong colour contrast (b) labels on every icon (c) captions on videos (d) sudden loud sounds
19. 19.🔍 Which is the odd one out? (a) sudden loud sounds (b) labels on every icon (c) text that can grow (d) strong colour contrast
20. 20.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
    Hint: 24 px
    Body text: 20 px
    Footer: 14 px
    Caption: 19 px
    Menu: 13 px
21. 21.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Menu: 28 px
    Footer: 21 px
    Caption: 22 px
    Title: 16 px
    Label: 11 px (a) Footer (b) Caption (c) Menu (d) Label
22. 22.🔍 Which is the odd one out? (a) icons with no labels (b) labels on every icon (c) strong colour contrast (d) text that can grow
23. 23.Which of these helps everyone use the app? (a) colour as the only clue (b) sudden loud sounds (c) icons with no labels (d) text that can grow
24. 24.♿ Accessibility means an app works for ___. (a) only the coder (b) only experts (c) everyone (d) nobody
25. 25.True or false: “text that can grow” makes the app harder to use. (a) True (b) False
26. 26.♿ What does a screen reader do? (a) takes photos (b) plays music (c) makes text tiny (d) reads the screen aloud
27. 27.♿ A screen has 10 icon buttons. Only 4 of them have a text label for screen readers. How many still need a label?
28. 28.True or false: “labels on every icon” makes the app harder to use. (a) True (b) False
29. 29.♿ A screen has 9 icon buttons. Only 4 of them have a text label for screen readers. How many still need a label?
30. 30.🔍 Which is the odd one out? (a) captions on videos (b) fast-flashing lights (c) text that can grow (d) strong colour contrast
31. 31.🔍 Which is the odd one out? (a) tiny tap areas (b) fast-flashing lights (c) colour as the only clue (d) captions on videos
32. 32.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Footer: 12 px
    Menu: 23 px
    Hint: 17 px
    Label: 18 px
    Title: 17 px (a) Label (b) Hint (c) Menu (d) Footer
33. 33.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
    Hint: 24 px
    Caption: 19 px
    Title: 17 px
    Label: 19 px
34. 34.♿ Does this help everyone, or make the app harder to use: colour as the only clue? (a) helps everyone (b) makes it harder
35. 35.🔍 Which is the odd one out? (a) colour as the only clue (b) icons with no labels (c) labels on every icon (d) fast-flashing lights
36. 36.Which of these makes the app harder to use? (a) big touch targets (b) fast-flashing lights (c) text that can grow (d) strong colour contrast
37. 37.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Caption: 12 px
    Menu: 18 px
    Body text: 26 px
    Hint: 23 px (a) Body text (b) Menu (c) Hint (d) Caption
38. 38.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Hint: 28 px
    Menu: 10 px
    Footer: 24 px
    Title: 25 px
    Caption: 24 px (a) Title (b) Hint (c) Menu (d) Footer
39. 39.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Label: 28 px
    Footer: 10 px
    Title: 16 px (a) Label (b) Title (c) Footer
40. 40.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
    Menu: 12 px
    Caption: 23 px
    Title: 18 px
    Hint: 12 px
    Footer: 16 px

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