App Dev Worksheet: Accessibility

App development lesson 13: Accessibility · Set 605 · 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.♿ 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
2. 2.♿ A screen has 12 icon buttons. Only 2 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?
   Body text: 10 px
   Hint: 11 px
   Label: 10 px
4. 4.True or false: “tiny tap areas” makes the app harder to use. (a) False (b) True
5. 5.True or false: “icons with no labels” helps everyone use the app. (a) True (b) False
6. 6.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
   Footer: 14 px
   Label: 14 px
   Title: 17 px
   Hint: 12 px
7. 7.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
   Footer: 14 px
   Label: 24 px
   Menu: 26 px
   Body text: 21 px
   Caption: 27 px (a) Menu (b) Body text (c) Footer (d) Label
8. 8.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
   Menu: 13 px
   Title: 17 px
   Body text: 19 px
   Caption: 13 px
   Hint: 23 px
9. 9.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
   Hint: 22 px
   Body text: 10 px
   Title: 24 px
   Footer: 11 px
   Caption: 20 px
10. 10.🔍 Which is the odd one out? (a) big touch targets (b) text that can grow (c) captions on videos (d) colour as the only clue
11. 11.♿ Does this help everyone, or make the app harder to use: captions on videos? (a) helps everyone (b) makes it harder
12. 12.🔍 Which is the odd one out? (a) icons with no labels (b) colour as the only clue (c) big touch targets (d) tiny tap areas
13. 13.🔍 Which is the odd one out? (a) tiny tap areas (b) fast-flashing lights (c) strong colour contrast (d) colour as the only clue
14. 14.♿ What does a screen reader do? (a) takes photos (b) reads the screen aloud (c) makes text tiny (d) plays music
15. 15.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
    Label: 24 px
    Title: 21 px
    Hint: 21 px
    Body text: 19 px
    Menu: 15 px
16. 16.♿ A screen has 5 icon buttons. Only 1 of them have a text label for screen readers. How many still need a label?
17. 17.🔍 Which is the odd one out? (a) captions on videos (b) colour as the only clue (c) tiny tap areas (d) sudden loud sounds
18. 18.♿ Does this help everyone, or make the app harder to use: text that can grow? (a) makes it harder (b) helps everyone
19. 19.True or false: “icons with no labels” makes the app harder to use. (a) True (b) False
20. 20.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Title: 10 px
    Label: 24 px
    Hint: 17 px
    Caption: 16 px
    Footer: 24 px (a) Hint (b) Title (c) Caption (d) Label
21. 21.Which of these makes the app harder to use? (a) text that can grow (b) icons with no labels (c) labels on every icon (d) big touch targets
22. 22.True or false: “big touch targets” makes the app harder to use. (a) True (b) False
23. 23.True or false: “labels on every icon” helps everyone use the app. (a) False (b) True
24. 24.♿ Does this help everyone, or make the app harder to use: strong colour contrast? (a) makes it harder (b) helps everyone
25. 25.♿ A screen has 8 icon buttons. Only 5 of them have a text label for screen readers. How many still need a label?
26. 26.True or false: “captions on videos” helps everyone use the app. (a) False (b) True
27. 27.♿ Does this help everyone, or make the app harder to use: icons with no labels? (a) helps everyone (b) makes it harder
28. 28.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
    Label: 13 px
    Caption: 11 px
    Footer: 14 px
29. 29.♿ A screen has 9 icon buttons. Only 3 of them have a text label for screen readers. How many still need a label?
30. 30.♿ A screen has 9 icon buttons. Only 8 of them have a text label for screen readers. How many still need a label?
31. 31.♿ A screen has 5 icon buttons. Only 3 of them have a text label for screen readers. How many still need a label?
32. 32.Which of these makes the app harder to use? (a) sudden loud sounds (b) strong colour contrast (c) big touch targets (d) captions on videos
33. 33.♿ A screen has 12 icon buttons. Only 10 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?
    Hint: 23 px
    Title: 27 px
    Body text: 28 px
    Footer: 9 px
    Menu: 22 px (a) Hint (b) Body text (c) Footer (d) Title
35. 35.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Hint: 22 px
    Label: 25 px
    Menu: 12 px
    Title: 16 px
    Caption: 26 px (a) Hint (b) Title (c) Menu (d) Label
36. 36.Which of these makes the app harder to use? (a) captions on videos (b) big touch targets (c) fast-flashing lights (d) text that can grow
37. 37.🔍 Which is the odd one out? (a) strong colour contrast (b) fast-flashing lights (c) text that can grow (d) big touch targets
38. 38.♿ Does this help everyone, or make the app harder to use: big touch targets? (a) makes it harder (b) helps everyone
39. 39.True or false: “tiny tap areas” helps everyone use the app. (a) True (b) False
40. 40.True or false: “fast-flashing lights” makes the app harder to use. (a) True (b) False

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