App Dev Worksheet: Accessibility

App development lesson 13: Accessibility · Set 372 · 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 8 icon buttons. Only 7 of them have a text label for screen readers. How many still need a label?
2. 2.♿ Why add captions to videos? (a) so anyone can follow (b) to add colour (c) to slow them down (d) to hide the sound
3. 3.♿ Does this help everyone, or make the app harder to use: fast-flashing lights? (a) makes it harder (b) helps everyone
4. 4.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
   Hint: 20 px
   Footer: 15 px
   Body text: 20 px
   Title: 19 px
5. 5.🔍 Which is the odd one out? (a) big touch targets (b) strong colour contrast (c) text that can grow (d) colour as the only clue
6. 6.♿ Accessibility means an app works for ___. (a) only experts (b) only the coder (c) nobody (d) everyone
7. 7.True or false: “labels on every icon” helps everyone use the app. (a) False (b) True
8. 8.True or false: “tiny tap areas” makes the app harder to use. (a) False (b) True
9. 9.♿ Does this help everyone, or make the app harder to use: icons with no labels? (a) helps everyone (b) makes it harder
10. 10.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
    Title: 18 px
    Hint: 17 px
    Caption: 15 px
11. 11.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
    Caption: 24 px
    Body text: 15 px
    Title: 12 px
    Footer: 11 px
12. 12.True or false: “big touch targets” makes the app harder to use. (a) True (b) False
13. 13.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Hint: 28 px
    Footer: 9 px
    Label: 25 px
    Caption: 24 px
    Body text: 19 px (a) Hint (b) Footer (c) Caption (d) Label
14. 14.♿ What does a screen reader do? (a) reads the screen aloud (b) makes text tiny (c) plays music (d) takes photos
15. 15.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Footer: 26 px
    Title: 26 px
    Label: 28 px
    Body text: 18 px
    Caption: 10 px (a) Title (b) Label (c) Footer (d) Caption
16. 16.♿ Does this help everyone, or make the app harder to use: big touch targets? (a) helps everyone (b) makes it harder
17. 17.Which of these helps everyone use the app? (a) fast-flashing lights (b) labels on every icon (c) sudden loud sounds (d) tiny tap areas
18. 18.True or false: “icons with no labels” makes the app harder to use. (a) True (b) False
19. 19.Which of these makes the app harder to use? (a) labels on every icon (b) captions on videos (c) strong colour contrast (d) sudden loud sounds
20. 20.Which of these makes the app harder to use? (a) big touch targets (b) labels on every icon (c) captions on videos (d) colour as the only clue
21. 21.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Title: 27 px
    Footer: 18 px
    Body text: 10 px
    Hint: 18 px (a) Body text (b) Footer (c) Hint (d) Title
22. 22.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Body text: 19 px
    Hint: 10 px
    Menu: 27 px (a) Body text (b) Menu (c) Hint
23. 23.True or false: “sudden loud sounds” helps everyone use the app. (a) True (b) False
24. 24.Which of these helps everyone use the app? (a) icons with no labels (b) colour as the only clue (c) big touch targets (d) sudden loud sounds
25. 25.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Body text: 25 px
    Menu: 24 px
    Footer: 14 px (a) Menu (b) Footer (c) Body text
26. 26.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Footer: 12 px
    Menu: 25 px
    Label: 20 px
    Hint: 26 px (a) Footer (b) Menu (c) Hint (d) Label
27. 27.Which of these makes the app harder to use? (a) strong colour contrast (b) labels on every icon (c) tiny tap areas (d) text that can grow
28. 28.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Menu: 26 px
    Footer: 23 px
    Body text: 24 px
    Caption: 12 px (a) Body text (b) Caption (c) Menu (d) Footer
29. 29.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
    Menu: 15 px
    Caption: 11 px
    Label: 13 px
    Body text: 13 px
30. 30.Which of these helps everyone use the app? (a) tiny tap areas (b) sudden loud sounds (c) icons with no labels (d) text that can grow
31. 31.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Footer: 26 px
    Label: 11 px
    Caption: 28 px
    Body text: 27 px
    Menu: 27 px (a) Caption (b) Footer (c) Body text (d) Label
32. 32.♿ Does this help everyone, or make the app harder to use: sudden loud sounds? (a) makes it harder (b) helps everyone
33. 33.♿ Showing right or wrong only in red and green is a problem for ___. (a) colour-blind users (b) the server (c) fast typists (d) the battery
34. 34.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Title: 21 px
    Caption: 27 px
    Menu: 20 px
    Label: 20 px
    Body text: 10 px (a) Caption (b) Title (c) Menu (d) Body text
35. 35.♿ A screen has 6 icon buttons. Only 3 of them have a text label for screen readers. How many still need a label?
36. 36.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
    Hint: 20 px
    Footer: 16 px
    Body text: 21 px
37. 37.🔍 Which is the odd one out? (a) icons with no labels (b) tiny tap areas (c) sudden loud sounds (d) captions on videos
38. 38.♿ Does this help everyone, or make the app harder to use: colour as the only clue? (a) makes it harder (b) helps everyone
39. 39.🔍 Which is the odd one out? (a) sudden loud sounds (b) text that can grow (c) tiny tap areas (d) icons with no labels
40. 40.🔍 Which is the odd one out? (a) labels on every icon (b) big touch targets (c) text that can grow (d) tiny tap areas

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