App Dev Worksheet: Accessibility

App development lesson 13: Accessibility · Set 505 · 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.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
   Caption: 20 px
   Hint: 16 px
   Footer: 14 px
2. 2.True or false: “labels on every icon” helps everyone use the app. (a) False (b) True
3. 3.♿ Does this help everyone, or make the app harder to use: strong colour contrast? (a) makes it harder (b) helps everyone
4. 4.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
   Menu: 12 px
   Caption: 23 px
   Title: 26 px
   Label: 27 px
   Body text: 17 px (a) Label (b) Title (c) Menu (d) Caption
5. 5.Which of these helps everyone use the app? (a) sudden loud sounds (b) fast-flashing lights (c) captions on videos (d) colour as the only clue
6. 6.🔍 Which is the odd one out? (a) colour as the only clue (b) tiny tap areas (c) icons with no labels (d) labels on every icon
7. 7.Which of these makes the app harder to use? (a) tiny tap areas (b) text that can grow (c) labels on every icon (d) strong colour contrast
8. 8.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
   Hint: 19 px
   Body text: 10 px
   Label: 16 px
   Title: 12 px
   Footer: 18 px
9. 9.♿ A screen has 7 icon buttons. Only 6 of them have a text label for screen readers. How many still need a label?
10. 10.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
    Title: 20 px
    Caption: 11 px
    Hint: 16 px
    Menu: 15 px
11. 11.♿ Accessibility means an app works for ___. (a) only experts (b) only the coder (c) everyone (d) nobody
12. 12.♿ What does a screen reader do? (a) makes text tiny (b) reads the screen aloud (c) plays music (d) takes photos
13. 13.True or false: “big touch targets” helps everyone use the app. (a) False (b) True
14. 14.♿ Does this help everyone, or make the app harder to use: captions on videos? (a) helps everyone (b) makes it harder
15. 15.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
    Footer: 22 px
    Hint: 13 px
    Caption: 19 px
    Body text: 21 px
16. 16.♿ A screen has 6 icon buttons. Only 1 of them have a text label for screen readers. How many still need a label?
17. 17.True or false: “colour as the only clue” makes the app harder to use. (a) False (b) True
18. 18.🔍 Which is the odd one out? (a) fast-flashing lights (b) sudden loud sounds (c) captions on videos (d) colour as the only clue
19. 19.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
    Menu: 14 px
    Hint: 16 px
    Body text: 13 px
    Title: 13 px
    Label: 11 px
20. 20.♿ Does this help everyone, or make the app harder to use: big touch targets? (a) makes it harder (b) helps everyone
21. 21.♿ A screen has 6 icon buttons. Only 3 of them have a text label for screen readers. How many still need a label?
22. 22.Which of these makes the app harder to use? (a) strong colour contrast (b) big touch targets (c) text that can grow (d) fast-flashing lights
23. 23.🔍 Which is the odd one out? (a) text that can grow (b) strong colour contrast (c) colour as the only clue (d) labels on every icon
24. 24.♿ A screen has 5 icon buttons. Only 3 of them have a text label for screen readers. How many still need a label?
25. 25.True or false: “sudden loud sounds” helps everyone use the app. (a) False (b) True
26. 26.Which of these helps everyone use the app? (a) colour as the only clue (b) sudden loud sounds (c) icons with no labels (d) labels on every icon
27. 27.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Caption: 26 px
    Label: 22 px
    Menu: 28 px
    Footer: 14 px
    Title: 18 px (a) Label (b) Footer (c) Menu (d) Caption
28. 28.♿ Does this help everyone, or make the app harder to use: tiny tap areas? (a) helps everyone (b) makes it harder
29. 29.♿ A screen has 6 icon buttons. Only 2 of them have a text label for screen readers. How many still need a label?
30. 30.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
    Label: 14 px
    Body text: 23 px
    Title: 20 px
31. 31.♿ Does this help everyone, or make the app harder to use: sudden loud sounds? (a) makes it harder (b) helps everyone
32. 32.♿ A screen has 9 icon buttons. Only 1 of them have a text label for screen readers. How many still need a label?
33. 33.🔍 Which is the odd one out? (a) icons with no labels (b) fast-flashing lights (c) sudden loud sounds (d) text that can grow
34. 34.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
    Caption: 23 px
    Label: 20 px
    Menu: 23 px
    Hint: 19 px
35. 35.♿ A screen has 11 icon buttons. Only 5 of them have a text label for screen readers. How many still need a label?
36. 36.Which of these helps everyone use the app? (a) colour as the only clue (b) tiny tap areas (c) big touch targets (d) sudden loud sounds
37. 37.♿ Does this help everyone, or make the app harder to use: labels on every icon? (a) makes it harder (b) helps everyone
38. 38.Which of these makes the app harder to use? (a) strong colour contrast (b) colour as the only clue (c) big touch targets (d) captions on videos
39. 39.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Menu: 10 px
    Body text: 18 px
    Title: 26 px (a) Body text (b) Title (c) Menu
40. 40.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Hint: 26 px
    Body text: 26 px
    Title: 19 px
    Caption: 12 px (a) Title (b) Hint (c) Caption (d) Body text

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