App Dev Worksheet: Accessibility

App development lesson 13: Accessibility · Set 184 · 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.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
   Label: 22 px
   Footer: 20 px
   Caption: 12 px
   Title: 13 px
2. 2.🔍 Which is the odd one out? (a) fast-flashing lights (b) icons with no labels (c) colour as the only clue (d) strong colour contrast
3. 3.♿ Does this help everyone, or make the app harder to use: strong colour contrast? (a) helps everyone (b) makes it harder
4. 4.True or false: “colour as the only clue” helps everyone use the app. (a) True (b) False
5. 5.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
   Menu: 11 px
   Title: 28 px
   Body text: 27 px
   Label: 23 px (a) Body text (b) Menu (c) Title (d) Label
6. 6.♿ What should every icon-only button have for screen readers? (a) a bright colour (b) a text label (c) a long animation (d) a sound
7. 7.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
   Footer: 11 px
   Label: 15 px
   Menu: 18 px
   Title: 19 px
8. 8.True or false: “captions on videos” helps everyone use the app. (a) False (b) True
9. 9.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
   Title: 24 px
   Body text: 13 px
   Label: 18 px
10. 10.♿ Why add captions to videos? (a) to slow them down (b) so anyone can follow (c) to hide the sound (d) to add colour
11. 11.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
    Menu: 23 px
    Label: 15 px
    Footer: 21 px
12. 12.True or false: “captions on videos” makes the app harder to use. (a) False (b) True
13. 13.Which of these helps everyone use the app? (a) captions on videos (b) tiny tap areas (c) sudden loud sounds (d) fast-flashing lights
14. 14.♿ A screen has 5 icon buttons. Only 3 of them have a text label for screen readers. How many still need a label?
15. 15.♿ Does this help everyone, or make the app harder to use: sudden loud sounds? (a) helps everyone (b) makes it harder
16. 16.🔍 Which is the odd one out? (a) labels on every icon (b) strong colour contrast (c) fast-flashing lights (d) big touch targets
17. 17.♿ A screen has 11 icon buttons. Only 6 of them have a text label for screen readers. How many still need a label?
18. 18.🔍 Which is the odd one out? (a) text that can grow (b) tiny tap areas (c) icons with no labels (d) colour as the only clue
19. 19.♿ A screen has 9 icon buttons. Only 5 of them have a text label for screen readers. How many still need a label?
20. 20.♿ Showing right or wrong only in red and green is a problem for ___. (a) the battery (b) fast typists (c) the server (d) colour-blind users
21. 21.♿ Accessibility means an app works for ___. (a) only the coder (b) only experts (c) everyone (d) nobody
22. 22.Which of these helps everyone use the app? (a) colour as the only clue (b) sudden loud sounds (c) strong colour contrast (d) fast-flashing lights
23. 23.🔍 Which is the odd one out? (a) big touch targets (b) text that can grow (c) strong colour contrast (d) colour as the only clue
24. 24.♿ A screen has 7 icon buttons. Only 2 of them have a text label for screen readers. How many still need a label?
25. 25.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
    Label: 22 px
    Hint: 23 px
    Body text: 11 px
    Menu: 23 px
    Footer: 16 px
26. 26.True or false: “sudden loud sounds” makes the app harder to use. (a) True (b) False
27. 27.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
    Label: 19 px
    Menu: 18 px
    Footer: 15 px
28. 28.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Caption: 11 px
    Footer: 25 px
    Body text: 26 px
    Title: 22 px (a) Footer (b) Title (c) Caption (d) Body text
29. 29.♿ Does this help everyone, or make the app harder to use: big touch targets? (a) helps everyone (b) makes it harder
30. 30.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
    Footer: 11 px
    Caption: 23 px
    Body text: 23 px
31. 31.♿ Does this help everyone, or make the app harder to use: tiny tap areas? (a) helps everyone (b) makes it harder
32. 32.🔍 Which is the odd one out? (a) sudden loud sounds (b) colour as the only clue (c) captions on videos (d) icons with no labels
33. 33.♿ A screen has 5 icon buttons. Only 1 of them have a text label for screen readers. How many still need a label?
34. 34.True or false: “big touch targets” makes the app harder to use. (a) True (b) False
35. 35.Which of these makes the app harder to use? (a) big touch targets (b) text that can grow (c) labels on every icon (d) sudden loud sounds
36. 36.♿ Does this help everyone, or make the app harder to use: captions on videos? (a) helps everyone (b) makes it harder
37. 37.♿ Does this help everyone, or make the app harder to use: colour as the only clue? (a) makes it harder (b) helps everyone
38. 38.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
    Caption: 19 px
    Title: 12 px
    Menu: 21 px
39. 39.♿ Does this help everyone, or make the app harder to use: fast-flashing lights? (a) makes it harder (b) helps everyone
40. 40.♿ What does a screen reader do? (a) plays music (b) makes text tiny (c) reads the screen aloud (d) takes photos

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