App Dev Worksheet: Accessibility

App development lesson 13: Accessibility · Set 173 · 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.True or false: “tiny tap areas” helps everyone use the app. (a) True (b) False
2. 2.♿ A screen has 11 icon buttons. Only 5 of them have a text label for screen readers. How many still need a label?
3. 3.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
   Menu: 11 px
   Body text: 19 px
   Title: 11 px
4. 4.♿ A screen has 10 icon buttons. Only 5 of them have a text label for screen readers. How many still need a label?
5. 5.♿ Does this help everyone, or make the app harder to use: colour as the only clue? (a) makes it harder (b) helps everyone
6. 6.Which of these helps everyone use the app? (a) labels on every icon (b) icons with no labels (c) colour as the only clue (d) tiny tap areas
7. 7.🔍 Which is the odd one out? (a) tiny tap areas (b) labels on every icon (c) captions on videos (d) strong colour contrast
8. 8.♿ A screen has 9 icon buttons. Only 4 of them have a text label for screen readers. How many still need a label?
9. 9.♿ A screen has 6 icon buttons. Only 3 of them have a text label for screen readers. How many still need a label?
10. 10.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Body text: 28 px
    Menu: 17 px
    Footer: 11 px
    Label: 24 px (a) Label (b) Menu (c) Body text (d) Footer
11. 11.🔍 Which is the odd one out? (a) colour as the only clue (b) sudden loud sounds (c) tiny tap areas (d) big touch targets
12. 12.♿ What should every icon-only button have for screen readers? (a) a long animation (b) a bright colour (c) a text label (d) a sound
13. 13.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
    Menu: 19 px
    Footer: 18 px
    Label: 14 px
    Title: 22 px
14. 14.🔍 Which is the odd one out? (a) fast-flashing lights (b) icons with no labels (c) colour as the only clue (d) text that can grow
15. 15.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
    Title: 10 px
    Caption: 24 px
    Hint: 12 px
    Menu: 17 px
16. 16.♿ Accessibility means an app works for ___. (a) nobody (b) only experts (c) only the coder (d) everyone
17. 17.True or false: “sudden loud sounds” makes the app harder to use. (a) True (b) False
18. 18.♿ A screen has 12 icon buttons. Only 9 of them have a text label for screen readers. How many still need a label?
19. 19.♿ What does a screen reader do? (a) takes photos (b) reads the screen aloud (c) plays music (d) makes text tiny
20. 20.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
    Menu: 10 px
    Title: 22 px
    Caption: 17 px
21. 21.🔍 Which is the odd one out? (a) tiny tap areas (b) icons with no labels (c) strong colour contrast (d) sudden loud sounds
22. 22.♿ A screen has 7 icon buttons. Only 2 of them have a text label for screen readers. How many still need a label?
23. 23.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Caption: 12 px
    Label: 17 px
    Footer: 21 px
    Menu: 20 px
    Title: 25 px (a) Label (b) Caption (c) Menu (d) Footer
24. 24.🔍 Which is the odd one out? (a) fast-flashing lights (b) text that can grow (c) labels on every icon (d) strong colour contrast
25. 25.🔍 Which is the odd one out? (a) text that can grow (b) big touch targets (c) icons with no labels (d) strong colour contrast
26. 26.🔍 Which is the odd one out? (a) colour as the only clue (b) fast-flashing lights (c) labels on every icon (d) tiny tap areas
27. 27.♿ Does this help everyone, or make the app harder to use: icons with no labels? (a) makes it harder (b) helps everyone
28. 28.♿ Showing right or wrong only in red and green is a problem for ___. (a) the server (b) the battery (c) colour-blind users (d) fast typists
29. 29.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
    Label: 14 px
    Body text: 16 px
    Footer: 18 px
    Menu: 23 px
    Title: 22 px
30. 30.True or false: “text that can grow” makes the app harder to use. (a) True (b) False
31. 31.♿ A screen has 8 icon buttons. Only 4 of them have a text label for screen readers. How many still need a label?
32. 32.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Title: 19 px
    Body text: 23 px
    Hint: 9 px
    Label: 25 px
    Caption: 27 px (a) Label (b) Hint (c) Body text (d) Title
33. 33.♿ A screen has 11 icon buttons. Only 8 of them have a text label for screen readers. How many still need a label?
34. 34.True or false: “fast-flashing lights” helps everyone use the app. (a) True (b) False
35. 35.True or false: “icons with no labels” helps everyone use the app. (a) False (b) True
36. 36.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Footer: 27 px
    Title: 18 px
    Caption: 27 px
    Body text: 12 px
    Label: 26 px (a) Title (b) Body text (c) Footer (d) Caption
37. 37.Which of these makes the app harder to use? (a) colour as the only clue (b) labels on every icon (c) big touch targets (d) text that can grow
38. 38.♿ Does this help everyone, or make the app harder to use: strong colour contrast? (a) makes it harder (b) helps everyone
39. 39.♿ Why add captions to videos? (a) to add colour (b) to slow them down (c) to hide the sound (d) so anyone can follow
40. 40.True or false: “captions on videos” makes the app harder to use. (a) True (b) False

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