App Dev Worksheet: Accessibility

App development lesson 13: Accessibility · Set 679 · 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 is the odd one out? (a) icons with no labels (b) tiny tap areas (c) colour as the only clue (d) captions on videos
2. 2.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
   Label: 20 px
   Footer: 23 px
   Caption: 10 px
3. 3.Which of these helps everyone use the app? (a) tiny tap areas (b) colour as the only clue (c) icons with no labels (d) captions on videos
4. 4.True or false: “colour as the only clue” makes the app harder to use. (a) True (b) False
5. 5.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
   Hint: 27 px
   Caption: 13 px
   Label: 25 px
   Title: 25 px
   Menu: 16 px (a) Label (b) Caption (c) Hint (d) Title
6. 6.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
   Body text: 10 px
   Caption: 21 px
   Hint: 20 px
   Menu: 28 px (a) Hint (b) Body text (c) Menu (d) Caption
7. 7.♿ A screen has 10 icon buttons. Only 9 of them have a text label for screen readers. How many still need a label?
8. 8.♿ Does this help everyone, or make the app harder to use: big touch targets? (a) makes it harder (b) helps everyone
9. 9.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
   Label: 12 px
   Menu: 19 px
   Body text: 10 px
10. 10.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
    Label: 15 px
    Title: 24 px
    Menu: 13 px
    Footer: 22 px
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.♿ Why add captions to videos? (a) to add colour (b) to slow them down (c) so anyone can follow (d) to hide the sound
13. 13.♿ A screen has 9 icon buttons. Only 8 of them have a text label for screen readers. How many still need a label?
14. 14.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
    Menu: 21 px
    Caption: 13 px
    Hint: 13 px
15. 15.♿ A screen has 7 icon buttons. Only 5 of them have a text label for screen readers. How many still need a label?
16. 16.Which of these helps everyone use the app? (a) strong colour contrast (b) sudden loud sounds (c) tiny tap areas (d) icons with no labels
17. 17.True or false: “captions on videos” helps everyone use the app. (a) True (b) False
18. 18.🔍 Which is the odd one out? (a) text that can grow (b) big touch targets (c) fast-flashing lights (d) strong colour contrast
19. 19.True or false: “icons with no labels” helps everyone use the app. (a) True (b) False
20. 20.🔍 Which is the odd one out? (a) text that can grow (b) tiny tap areas (c) strong colour contrast (d) labels on every icon
21. 21.🔍 Which is the odd one out? (a) icons with no labels (b) colour as the only clue (c) text that can grow (d) tiny tap areas
22. 22.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Body text: 12 px
    Hint: 24 px
    Caption: 23 px (a) Body text (b) Hint (c) Caption
23. 23.🔍 Which is the odd one out? (a) colour as the only clue (b) strong colour contrast (c) tiny tap areas (d) icons with no labels
24. 24.♿ Does this help everyone, or make the app harder to use: captions on videos? (a) helps everyone (b) makes it harder
25. 25.♿ Showing right or wrong only in red and green is a problem for ___. (a) the server (b) the battery (c) fast typists (d) colour-blind users
26. 26.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Body text: 14 px
    Footer: 20 px
    Title: 23 px (a) Title (b) Footer (c) Body text
27. 27.True or false: “icons with no labels” makes the app harder to use. (a) True (b) False
28. 28.♿ A screen has 8 icon buttons. Only 4 of them have a text label for screen readers. How many still need a label?
29. 29.♿ Accessibility means an app works for ___. (a) nobody (b) only the coder (c) only experts (d) everyone
30. 30.Which of these makes the app harder to use? (a) icons with no labels (b) strong colour contrast (c) text that can grow (d) labels on every icon
31. 31.Which of these helps everyone use the app? (a) tiny tap areas (b) icons with no labels (c) colour as the only clue (d) text that can grow
32. 32.♿ What does a screen reader do? (a) makes text tiny (b) plays music (c) takes photos (d) reads the screen aloud
33. 33.🔍 Which is the odd one out? (a) fast-flashing lights (b) sudden loud sounds (c) big touch targets (d) colour as the only clue
34. 34.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
    Label: 16 px
    Hint: 24 px
    Body text: 18 px
    Caption: 18 px
35. 35.True or false: “fast-flashing lights” makes the app harder to use. (a) False (b) True
36. 36.♿ A screen has 7 icon buttons. Only 1 of them have a text label for screen readers. How many still need a label?
37. 37.♿ Does this help everyone, or make the app harder to use: icons with no labels? (a) helps everyone (b) makes it harder
38. 38.🔍 Which is the odd one out? (a) big touch targets (b) colour as the only clue (c) strong colour contrast (d) labels on every icon
39. 39.True or false: “labels on every icon” makes the app harder to use. (a) True (b) False
40. 40.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
    Label: 24 px
    Caption: 14 px
    Footer: 24 px
    Body text: 11 px

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