App Dev Worksheet: Accessibility

App development lesson 13: Accessibility · Set 174 · 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 3 of them have a text label for screen readers. How many still need a label?
2. 2.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
   Footer: 16 px
   Hint: 16 px
   Label: 23 px
   Title: 12 px
   Body text: 13 px
3. 3.♿ Does this help everyone, or make the app harder to use: captions on videos? (a) helps everyone (b) makes it harder
4. 4.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
   Hint: 26 px
   Title: 24 px
   Body text: 14 px (a) Title (b) Hint (c) Body text
5. 5.♿ Why add captions to videos? (a) to slow them down (b) so anyone can follow (c) to add colour (d) to hide the sound
6. 6.Which of these helps everyone use the app? (a) sudden loud sounds (b) colour as the only clue (c) icons with no labels (d) captions on videos
7. 7.Which of these helps everyone use the app? (a) tiny tap areas (b) colour as the only clue (c) big touch targets (d) icons with no labels
8. 8.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
   Title: 26 px
   Caption: 14 px
   Label: 16 px (a) Label (b) Caption (c) Title
9. 9.♿ A screen has 9 icon buttons. Only 5 of them have a text label for screen readers. How many still need a label?
10. 10.True or false: “fast-flashing lights” makes the app harder to use. (a) True (b) False
11. 11.♿ Does this help everyone, or make the app harder to use: text that can grow? (a) makes it harder (b) helps everyone
12. 12.True or false: “text that can grow” makes the app harder to use. (a) False (b) True
13. 13.♿ Does this help everyone, or make the app harder to use: colour as the only clue? (a) helps everyone (b) makes it harder
14. 14.♿ Does this help everyone, or make the app harder to use: tiny tap areas? (a) makes it harder (b) helps everyone
15. 15.🔍 Which is the odd one out? (a) strong colour contrast (b) text that can grow (c) captions on videos (d) fast-flashing lights
16. 16.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
    Hint: 12 px
    Caption: 16 px
    Footer: 12 px
17. 17.♿ Does this help everyone, or make the app harder to use: strong colour contrast? (a) helps everyone (b) makes it harder
18. 18.True or false: “captions on videos” makes the app harder to use. (a) False (b) True
19. 19.🔍 Which is the odd one out? (a) tiny tap areas (b) labels on every icon (c) fast-flashing lights (d) icons with no labels
20. 20.True or false: “icons with no labels” makes the app harder to use. (a) False (b) True
21. 21.♿ A screen has 12 icon buttons. Only 11 of them have a text label for screen readers. How many still need a label?
22. 22.🔍 Which is the odd one out? (a) tiny tap areas (b) sudden loud sounds (c) text that can grow (d) fast-flashing lights
23. 23.True or false: “colour as the only clue” makes the app harder to use. (a) False (b) True
24. 24.♿ A screen has 12 icon buttons. Only 2 of them have a text label for screen readers. How many still need a label?
25. 25.Which of these makes the app harder to use? (a) captions on videos (b) text that can grow (c) strong colour contrast (d) fast-flashing lights
26. 26.Which of these makes the app harder to use? (a) strong colour contrast (b) colour as the only clue (c) labels on every icon (d) big touch targets
27. 27.♿ Does this help everyone, or make the app harder to use: icons with no labels? (a) helps everyone (b) makes it harder
28. 28.Which of these makes the app harder to use? (a) big touch targets (b) sudden loud sounds (c) strong colour contrast (d) text that can grow
29. 29.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Body text: 11 px
    Label: 19 px
    Title: 28 px
    Hint: 20 px
    Footer: 28 px (a) Hint (b) Title (c) Body text (d) Label
30. 30.True or false: “big touch targets” helps everyone use the app. (a) False (b) True
31. 31.Which of these helps everyone use the app? (a) labels on every icon (b) fast-flashing lights (c) icons with no labels (d) colour as the only clue
32. 32.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Menu: 26 px
    Body text: 22 px
    Hint: 17 px
    Caption: 20 px
    Footer: 10 px (a) Menu (b) Body text (c) Footer (d) Hint
33. 33.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
    Hint: 19 px
    Label: 22 px
    Menu: 15 px
34. 34.Which of these helps everyone use the app? (a) text that can grow (b) colour as the only clue (c) fast-flashing lights (d) sudden loud sounds
35. 35.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Caption: 28 px
    Body text: 20 px
    Title: 24 px
    Footer: 9 px (a) Footer (b) Title (c) Caption (d) Body text
36. 36.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
    Label: 13 px
    Footer: 22 px
    Body text: 15 px
37. 37.♿ Does this help everyone, or make the app harder to use: fast-flashing lights? (a) helps everyone (b) makes it harder
38. 38.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Hint: 19 px
    Body text: 28 px
    Title: 12 px
    Footer: 17 px (a) Hint (b) Body text (c) Footer (d) Title
39. 39.♿ A screen has 10 icon buttons. Only 4 of them have a text label for screen readers. How many still need a label?
40. 40.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
    Label: 15 px
    Menu: 10 px
    Title: 21 px

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