App Dev Worksheet: Accessibility

App development lesson 13: Accessibility · Set 742 · 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 makes the app harder to use? (a) captions on videos (b) text that can grow (c) strong colour contrast (d) sudden loud sounds
2. 2.♿ Does this help everyone, or make the app harder to use: sudden loud sounds? (a) helps everyone (b) makes it harder
3. 3.♿ Does this help everyone, or make the app harder to use: text that can grow? (a) helps everyone (b) makes it harder
4. 4.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
   Body text: 19 px
   Caption: 11 px
   Title: 19 px
   Menu: 21 px
5. 5.🔍 Which is the odd one out? (a) captions on videos (b) strong colour contrast (c) tiny tap areas (d) big touch targets
6. 6.🔍 Which is the odd one out? (a) text that can grow (b) colour as the only clue (c) labels on every icon (d) big touch targets
7. 7.True or false: “big touch targets” helps everyone use the app. (a) True (b) False
8. 8.🔍 Which is the odd one out? (a) icons with no labels (b) text that can grow (c) labels on every icon (d) big touch targets
9. 9.Which of these helps everyone use the app? (a) text that can grow (b) tiny tap areas (c) colour as the only clue (d) sudden loud sounds
10. 10.True or false: “strong colour contrast” helps everyone use the app. (a) False (b) True
11. 11.♿ Why add captions to videos? (a) to add colour (b) to slow them down (c) so anyone can follow (d) to hide the sound
12. 12.♿ A screen has 6 icon buttons. Only 1 of them have a text label for screen readers. How many still need a label?
13. 13.🔍 Which is the odd one out? (a) text that can grow (b) labels on every icon (c) sudden loud sounds (d) strong colour contrast
14. 14.♿ A screen has 12 icon buttons. Only 11 of them have a text label for screen readers. How many still need a label?
15. 15.♿ What does a screen reader do? (a) takes photos (b) plays music (c) reads the screen aloud (d) makes text tiny
16. 16.True or false: “tiny tap areas” helps everyone use the app. (a) True (b) False
17. 17.♿ Does this help everyone, or make the app harder to use: colour as the only clue? (a) makes it harder (b) helps everyone
18. 18.🔍 Which is the odd one out? (a) icons with no labels (b) tiny tap areas (c) sudden loud sounds (d) strong colour contrast
19. 19.♿ A screen has 8 icon buttons. Only 6 of them have a text label for screen readers. How many still need a label?
20. 20.♿ A screen has 7 icon buttons. Only 2 of them have a text label for screen readers. How many still need a label?
21. 21.♿ Accessibility means an app works for ___. (a) nobody (b) only the coder (c) everyone (d) only experts
22. 22.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
    Caption: 15 px
    Menu: 13 px
    Footer: 13 px
23. 23.Which of these helps everyone use the app? (a) tiny tap areas (b) labels on every icon (c) fast-flashing lights (d) colour as the only clue
24. 24.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Caption: 27 px
    Hint: 10 px
    Footer: 17 px
    Title: 19 px
    Label: 18 px (a) Title (b) Footer (c) Hint (d) Caption
25. 25.♿ A screen has 12 icon buttons. Only 5 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. How many texts on this screen are too small?
    Body text: 21 px
    Hint: 17 px
    Label: 17 px
    Caption: 10 px
27. 27.♿ Does this help everyone, or make the app harder to use: tiny tap areas? (a) makes it harder (b) helps everyone
28. 28.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
    Title: 12 px
    Hint: 13 px
    Footer: 12 px
29. 29.Which of these makes the app harder to use? (a) tiny tap areas (b) big touch targets (c) labels on every icon (d) text that can grow
30. 30.Which of these makes the app harder to use? (a) big touch targets (b) strong colour contrast (c) fast-flashing lights (d) text that can grow
31. 31.♿ A screen has 7 icon buttons. Only 4 of them have a text label for screen readers. How many still need a label?
32. 32.♿ What should every icon-only button have for screen readers? (a) a bright colour (b) a long animation (c) a sound (d) a text label
33. 33.♿ A screen has 10 icon buttons. Only 6 of them have a text label for screen readers. How many still need a label?
34. 34.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Body text: 14 px
    Hint: 19 px
    Label: 16 px
    Title: 25 px
    Footer: 24 px (a) Title (b) Hint (c) Body text (d) Label
35. 35.True or false: “colour as the only clue” helps everyone use the app. (a) True (b) False
36. 36.🔍 Which is the odd one out? (a) fast-flashing lights (b) colour as the only clue (c) labels on every icon (d) tiny tap areas
37. 37.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Body text: 25 px
    Caption: 13 px
    Title: 23 px
    Hint: 18 px (a) Hint (b) Body text (c) Caption (d) Title
38. 38.♿ A screen has 5 icon buttons. Only 3 of them have a text label for screen readers. How many still need a label?
39. 39.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
    Footer: 23 px
    Title: 21 px
    Body text: 18 px
40. 40.♿ A screen has 8 icon buttons. Only 1 of them have a text label for screen readers. How many still need a label?

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