App Dev Worksheet: Accessibility

App development lesson 13: Accessibility · Set 230 · 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 helps everyone use the app? (a) icons with no labels (b) labels on every icon (c) sudden loud sounds (d) fast-flashing lights
2. 2.♿ A screen has 9 icon buttons. Only 4 of them have a text label for screen readers. How many still need a label?
3. 3.♿ A screen has 10 icon buttons. Only 5 of them have a text label for screen readers. How many still need a label?
4. 4.♿ What does a screen reader do? (a) makes text tiny (b) reads the screen aloud (c) plays music (d) takes photos
5. 5.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
   Caption: 22 px
   Hint: 18 px
   Menu: 14 px
   Title: 22 px (a) Hint (b) Title (c) Caption (d) Menu
6. 6.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
   Title: 13 px
   Body text: 22 px
   Hint: 23 px
   Caption: 16 px
   Menu: 23 px (a) Body text (b) Caption (c) Hint (d) Title
7. 7.♿ Accessibility means an app works for ___. (a) only the coder (b) everyone (c) only experts (d) nobody
8. 8.True or false: “tiny tap areas” helps everyone use the app. (a) True (b) False
9. 9.🔍 Which is the odd one out? (a) strong colour contrast (b) colour as the only clue (c) labels on every icon (d) captions on videos
10. 10.True or false: “fast-flashing lights” makes the app harder to use. (a) False (b) True
11. 11.♿ Does this help everyone, or make the app harder to use: text that can grow? (a) helps everyone (b) makes it harder
12. 12.Which of these helps everyone use the app? (a) sudden loud sounds (b) colour as the only clue (c) strong colour contrast (d) fast-flashing lights
13. 13.Which of these makes the app harder to use? (a) captions on videos (b) big touch targets (c) colour as the only clue (d) labels on every icon
14. 14.🔍 Which is the odd one out? (a) sudden loud sounds (b) tiny tap areas (c) colour as the only clue (d) captions on videos
15. 15.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
    Footer: 10 px
    Label: 23 px
    Caption: 18 px
16. 16.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Footer: 10 px
    Caption: 23 px
    Hint: 18 px (a) Footer (b) Hint (c) Caption
17. 17.Which of these makes the app harder to use? (a) big touch targets (b) labels on every icon (c) fast-flashing lights (d) strong colour contrast
18. 18.🔍 Which is the odd one out? (a) tiny tap areas (b) text that can grow (c) captions on videos (d) strong colour contrast
19. 19.♿ What should every icon-only button have for screen readers? (a) a sound (b) a bright colour (c) a long animation (d) a text label
20. 20.Which of these helps everyone use the app? (a) colour as the only clue (b) big touch targets (c) tiny tap areas (d) fast-flashing lights
21. 21.Which of these makes the app harder to use? (a) captions on videos (b) text that can grow (c) labels on every icon (d) tiny tap areas
22. 22.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
    Body text: 16 px
    Caption: 24 px
    Hint: 23 px
    Title: 23 px
23. 23.♿ Does this help everyone, or make the app harder to use: labels on every icon? (a) makes it harder (b) helps everyone
24. 24.♿ A screen has 5 icon buttons. Only 4 of them have a text label for screen readers. How many still need a label?
25. 25.♿ Does this help everyone, or make the app harder to use: fast-flashing lights? (a) helps everyone (b) makes it harder
26. 26.🔍 Which is the odd one out? (a) big touch targets (b) strong colour contrast (c) icons with no labels (d) text that can grow
27. 27.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Footer: 26 px
    Label: 28 px
    Hint: 21 px
    Caption: 9 px (a) Footer (b) Caption (c) Hint (d) Label
28. 28.♿ A screen has 6 icon buttons. Only 4 of them have a text label for screen readers. How many still need a label?
29. 29.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Title: 26 px
    Body text: 19 px
    Hint: 28 px
    Footer: 24 px
    Label: 13 px (a) Title (b) Body text (c) Label (d) Hint
30. 30.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
    Hint: 16 px
    Label: 24 px
    Title: 12 px
    Footer: 21 px
31. 31.Which of these helps everyone use the app? (a) colour as the only clue (b) icons with no labels (c) text that can grow (d) tiny tap areas
32. 32.♿ Does this help everyone, or make the app harder to use: captions on videos? (a) helps everyone (b) makes it harder
33. 33.♿ Does this help everyone, or make the app harder to use: colour as the only clue? (a) helps everyone (b) makes it harder
34. 34.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Footer: 18 px
    Body text: 26 px
    Title: 13 px
    Hint: 23 px
    Caption: 20 px (a) Title (b) Footer (c) Body text (d) Hint
35. 35.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
    Footer: 11 px
    Label: 24 px
    Menu: 21 px
    Hint: 10 px
    Title: 11 px
36. 36.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
    Menu: 23 px
    Footer: 24 px
    Caption: 24 px
37. 37.Which of these makes the app harder to use? (a) labels on every icon (b) text that can grow (c) big touch targets (d) sudden loud sounds
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.🔍 Which is the odd one out? (a) strong colour contrast (b) tiny tap areas (c) colour as the only clue (d) sudden loud sounds
40. 40.True or false: “sudden loud sounds” helps everyone use the app. (a) True (b) False

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