App Dev Worksheet: Accessibility

App development lesson 13: Accessibility · Set 112 · 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: “labels on every icon” helps everyone use the app. (a) False (b) True
2. 2.Which of these helps everyone use the app? (a) icons with no labels (b) fast-flashing lights (c) tiny tap areas (d) labels on every icon
3. 3.♿ Does this help everyone, or make the app harder to use: fast-flashing lights? (a) helps everyone (b) makes it harder
4. 4.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
   Body text: 14 px
   Menu: 11 px
   Title: 18 px
5. 5.True or false: “icons with no labels” helps everyone use the app. (a) True (b) False
6. 6.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
   Footer: 9 px
   Hint: 22 px
   Menu: 16 px
   Caption: 23 px
   Label: 17 px (a) Hint (b) Caption (c) Footer (d) Menu
7. 7.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
   Menu: 12 px
   Hint: 11 px
   Caption: 10 px
   Body text: 14 px
8. 8.♿ A screen has 7 icon buttons. Only 4 of them have a text label for screen readers. How many still need a label?
9. 9.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
   Body text: 11 px
   Caption: 18 px
   Label: 14 px
10. 10.♿ A screen has 9 icon buttons. Only 1 of them have a text label for screen readers. How many still need a label?
11. 11.♿ Showing right or wrong only in red and green is a problem for ___. (a) the server (b) the battery (c) fast typists (d) colour-blind users
12. 12.♿ Does this help everyone, or make the app harder to use: text that can grow? (a) makes it harder (b) helps everyone
13. 13.♿ Why add captions to videos? (a) so anyone can follow (b) to add colour (c) to slow them down (d) to hide the sound
14. 14.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
    Footer: 13 px
    Body text: 22 px
    Hint: 24 px
15. 15.♿ Does this help everyone, or make the app harder to use: big touch targets? (a) helps everyone (b) makes it harder
16. 16.♿ Accessibility means an app works for ___. (a) everyone (b) only the coder (c) only experts (d) nobody
17. 17.Which of these helps everyone use the app? (a) text that can grow (b) sudden loud sounds (c) colour as the only clue (d) tiny tap areas
18. 18.True or false: “colour as the only clue” helps everyone use the app. (a) False (b) True
19. 19.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Caption: 10 px
    Label: 22 px
    Body text: 19 px
    Footer: 21 px (a) Footer (b) Caption (c) Body text (d) Label
20. 20.♿ A screen has 12 icon buttons. Only 2 of them have a text label for screen readers. How many still need a label?
21. 21.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Title: 18 px
    Footer: 20 px
    Hint: 11 px
    Menu: 18 px
    Caption: 17 px (a) Hint (b) Footer (c) Title (d) Menu
22. 22.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Hint: 9 px
    Title: 22 px
    Label: 25 px (a) Title (b) Label (c) Hint
23. 23.🔍 Which is the odd one out? (a) strong colour contrast (b) icons with no labels (c) labels on every icon (d) text that can grow
24. 24.True or false: “fast-flashing lights” helps everyone use the app. (a) False (b) True
25. 25.♿ Does this help everyone, or make the app harder to use: labels on every icon? (a) makes it harder (b) helps everyone
26. 26.♿ A screen has 7 icon buttons. Only 2 of them have a text label for screen readers. How many still need a label?
27. 27.🔍 Which is the odd one out? (a) text that can grow (b) labels on every icon (c) colour as the only clue (d) big touch targets
28. 28.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
    Label: 23 px
    Caption: 12 px
    Footer: 19 px
29. 29.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Menu: 14 px
    Title: 17 px
    Caption: 20 px
    Footer: 22 px
    Hint: 21 px (a) Title (b) Footer (c) Menu (d) Caption
30. 30.Which of these makes the app harder to use? (a) big touch targets (b) strong colour contrast (c) colour as the only clue (d) captions on videos
31. 31.True or false: “tiny tap areas” helps everyone use the app. (a) False (b) True
32. 32.Which of these helps everyone use the app? (a) icons with no labels (b) tiny tap areas (c) sudden loud sounds (d) big touch targets
33. 33.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Menu: 10 px
    Caption: 23 px
    Body text: 21 px
    Title: 20 px (a) Body text (b) Caption (c) Title (d) Menu
34. 34.🔍 Which is the odd one out? (a) icons with no labels (b) sudden loud sounds (c) text that can grow (d) fast-flashing lights
35. 35.♿ Does this help everyone, or make the app harder to use: sudden loud sounds? (a) helps everyone (b) makes it harder
36. 36.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Footer: 17 px
    Label: 14 px
    Caption: 23 px
    Hint: 22 px
    Menu: 22 px (a) Label (b) Hint (c) Footer (d) Caption
37. 37.🔍 Which is the odd one out? (a) tiny tap areas (b) text that can grow (c) strong colour contrast (d) labels on every icon
38. 38.🔍 Which is the odd one out? (a) colour as the only clue (b) icons with no labels (c) strong colour contrast (d) sudden loud sounds
39. 39.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
    Body text: 10 px
    Label: 19 px
    Title: 12 px
40. 40.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Body text: 14 px
    Caption: 17 px
    Footer: 21 px (a) Body text (b) Caption (c) Footer

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