App Dev Worksheet: Accessibility

App development lesson 13: Accessibility · Set 620 · 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: “fast-flashing lights” makes the app harder to use. (a) False (b) True
2. 2.Which of these helps everyone use the app? (a) fast-flashing lights (b) colour as the only clue (c) text that can grow (d) sudden loud sounds
3. 3.True or false: “strong colour contrast” makes the app harder to use. (a) True (b) False
4. 4.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
   Footer: 17 px
   Label: 19 px
   Body text: 14 px
5. 5.♿ A screen has 6 icon buttons. Only 2 of them have a text label for screen readers. How many still need a label?
6. 6.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
   Body text: 18 px
   Title: 13 px
   Menu: 25 px (a) Title (b) Body text (c) Menu
7. 7.🔍 Which is the odd one out? (a) icons with no labels (b) strong colour contrast (c) tiny tap areas (d) sudden loud sounds
8. 8.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
   Footer: 14 px
   Body text: 22 px
   Label: 16 px
   Title: 17 px (a) Label (b) Footer (c) Title (d) Body text
9. 9.True or false: “tiny tap areas” helps everyone use the app. (a) False (b) True
10. 10.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Label: 27 px
    Title: 16 px
    Hint: 10 px
    Caption: 24 px
    Body text: 28 px (a) Hint (b) Title (c) Caption (d) Label
11. 11.♿ Accessibility means an app works for ___. (a) everyone (b) nobody (c) only the coder (d) only experts
12. 12.Which of these helps everyone use the app? (a) fast-flashing lights (b) sudden loud sounds (c) labels on every icon (d) colour as the only clue
13. 13.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
    Label: 12 px
    Hint: 23 px
    Menu: 13 px
14. 14.🔍 Which is the odd one out? (a) strong colour contrast (b) labels on every icon (c) text that can grow (d) fast-flashing lights
15. 15.🔍 Which is the odd one out? (a) text that can grow (b) tiny tap areas (c) sudden loud sounds (d) fast-flashing lights
16. 16.♿ Does this help everyone, or make the app harder to use: captions on videos? (a) helps everyone (b) makes it harder
17. 17.♿ A screen has 5 icon buttons. Only 3 of them have a text label for screen readers. How many still need a label?
18. 18.♿ What does a screen reader do? (a) makes text tiny (b) takes photos (c) reads the screen aloud (d) plays music
19. 19.♿ A screen has 5 icon buttons. Only 2 of them have a text label for screen readers. How many still need a label?
20. 20.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
    Title: 24 px
    Menu: 22 px
    Hint: 16 px
    Body text: 11 px
    Footer: 22 px
21. 21.🔍 Which is the odd one out? (a) text that can grow (b) big touch targets (c) labels on every icon (d) tiny tap areas
22. 22.🔍 Which is the odd one out? (a) labels on every icon (b) sudden loud sounds (c) fast-flashing lights (d) icons with no labels
23. 23.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
    Caption: 18 px
    Footer: 24 px
    Hint: 18 px
24. 24.Which of these helps everyone use the app? (a) icons with no labels (b) sudden loud sounds (c) captions on videos (d) tiny tap areas
25. 25.True or false: “strong colour contrast” helps everyone use the app. (a) False (b) True
26. 26.♿ A screen has 9 icon buttons. Only 3 of them have a text label for screen readers. How many still need a label?
27. 27.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Caption: 12 px
    Title: 27 px
    Hint: 16 px
    Body text: 26 px
    Footer: 23 px (a) Body text (b) Caption (c) Hint (d) Title
28. 28.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Caption: 13 px
    Title: 23 px
    Hint: 17 px (a) Hint (b) Caption (c) Title
29. 29.♿ Does this help everyone, or make the app harder to use: strong colour contrast? (a) makes it harder (b) helps everyone
30. 30.🔍 Which is the odd one out? (a) icons with no labels (b) captions on videos (c) sudden loud sounds (d) fast-flashing lights
31. 31.🔍 Which is the odd one out? (a) text that can grow (b) strong colour contrast (c) big touch targets (d) sudden loud sounds
32. 32.♿ A screen has 6 icon buttons. Only 5 of them have a text label for screen readers. How many still need a label?
33. 33.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
    Footer: 24 px
    Body text: 12 px
    Hint: 13 px
34. 34.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
    Title: 22 px
    Hint: 22 px
    Body text: 17 px
35. 35.♿ What should every icon-only button have for screen readers? (a) a long animation (b) a text label (c) a bright colour (d) a sound
36. 36.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
    Menu: 19 px
    Label: 23 px
    Footer: 14 px
    Body text: 19 px
    Caption: 21 px
37. 37.♿ Does this help everyone, or make the app harder to use: big touch targets? (a) helps everyone (b) makes it harder
38. 38.Which of these helps everyone use the app? (a) icons with no labels (b) tiny tap areas (c) colour as the only clue (d) big touch targets
39. 39.🔍 Which is the odd one out? (a) labels on every icon (b) big touch targets (c) colour as the only clue (d) text that can grow
40. 40.♿ Does this help everyone, or make the app harder to use: text that can grow? (a) makes it harder (b) helps everyone

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