App Dev Worksheet: Accessibility

App development lesson 13: Accessibility · Set 169 · 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.♿ A screen has 9 icon buttons. Only 6 of them have a text label for screen readers. How many still need a label?
2. 2.♿ Accessibility means an app works for ___. (a) only the coder (b) nobody (c) only experts (d) everyone
3. 3.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
   Body text: 27 px
   Title: 17 px
   Caption: 27 px
   Footer: 12 px
   Menu: 19 px (a) Body text (b) Caption (c) Footer (d) Title
4. 4.♿ Does this help everyone, or make the app harder to use: fast-flashing lights? (a) makes it harder (b) helps everyone
5. 5.♿ Does this help everyone, or make the app harder to use: labels on every icon? (a) makes it harder (b) helps everyone
6. 6.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
   Body text: 12 px
   Title: 17 px
   Footer: 23 px
7. 7.🔍 Which is the odd one out? (a) captions on videos (b) labels on every icon (c) big touch targets (d) tiny tap areas
8. 8.Which of these helps everyone use the app? (a) sudden loud sounds (b) colour as the only clue (c) tiny tap areas (d) text that can grow
9. 9.♿ What does a screen reader do? (a) reads the screen aloud (b) takes photos (c) makes text tiny (d) plays music
10. 10.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
    Footer: 21 px
    Caption: 10 px
    Title: 11 px
    Hint: 10 px
    Body text: 22 px
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 of these makes the app harder to use? (a) tiny tap areas (b) captions on videos (c) text that can grow (d) big touch targets
13. 13.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Menu: 19 px
    Footer: 25 px
    Body text: 13 px
    Label: 21 px (a) Menu (b) Footer (c) Label (d) Body text
14. 14.True or false: “icons with no labels” helps everyone use the app. (a) True (b) False
15. 15.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
    Title: 17 px
    Label: 17 px
    Menu: 19 px
16. 16.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
    Body text: 21 px
    Title: 17 px
    Hint: 14 px
    Footer: 10 px
    Caption: 16 px
17. 17.True or false: “fast-flashing lights” makes the app harder to use. (a) True (b) False
18. 18.♿ A screen has 11 icon buttons. Only 7 of them have a text label for screen readers. How many still need a label?
19. 19.♿ A screen has 6 icon buttons. Only 2 of them have a text label for screen readers. How many still need a label?
20. 20.🔍 Which is the odd one out? (a) big touch targets (b) icons with no labels (c) colour as the only clue (d) fast-flashing lights
21. 21.Which of these makes the app harder to use? (a) labels on every icon (b) captions on videos (c) icons with no labels (d) strong colour contrast
22. 22.True or false: “colour as the only clue” helps everyone use the app. (a) False (b) True
23. 23.🔍 Which is the odd one out? (a) colour as the only clue (b) text that can grow (c) strong colour contrast (d) captions on videos
24. 24.🔍 Which is the odd one out? (a) icons with no labels (b) captions on videos (c) big touch targets (d) labels on every icon
25. 25.True or false: “text that can grow” helps everyone use the app. (a) True (b) False
26. 26.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Hint: 27 px
    Menu: 24 px
    Footer: 26 px
    Title: 13 px
    Label: 21 px (a) Title (b) Hint (c) Menu (d) Footer
27. 27.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Hint: 23 px
    Body text: 16 px
    Caption: 11 px (a) Hint (b) Body text (c) Caption
28. 28.True or false: “icons with no labels” makes the app harder to use. (a) False (b) True
29. 29.♿ Does this help everyone, or make the app harder to use: colour as the only clue? (a) makes it harder (b) helps everyone
30. 30.🔍 Which is the odd one out? (a) text that can grow (b) sudden loud sounds (c) tiny tap areas (d) icons with no labels
31. 31.♿ Does this help everyone, or make the app harder to use: big touch targets? (a) makes it harder (b) helps everyone
32. 32.♿ A screen has 10 icon buttons. Only 3 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. Which text on this screen is too small?
    Menu: 22 px
    Caption: 25 px
    Footer: 10 px
    Title: 26 px (a) Menu (b) Footer (c) Title (d) Caption
34. 34.True or false: “labels on every icon” makes the app harder to use. (a) False (b) True
35. 35.♿ Does this help everyone, or make the app harder to use: tiny tap areas? (a) helps everyone (b) makes it harder
36. 36.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
    Label: 11 px
    Caption: 17 px
    Title: 23 px
    Body text: 22 px
    Menu: 15 px
37. 37.♿ Does this help everyone, or make the app harder to use: strong colour contrast? (a) makes it harder (b) helps everyone
38. 38.Which of these makes the app harder to use? (a) strong colour contrast (b) captions on videos (c) big touch targets (d) colour as the only clue
39. 39.Which of these makes the app harder to use? (a) text that can grow (b) labels on every icon (c) sudden loud sounds (d) captions on videos
40. 40.Which of these helps everyone use the app? (a) fast-flashing lights (b) tiny tap areas (c) captions on videos (d) colour as the only clue

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