App Dev Worksheet: Accessibility

App development lesson 13: Accessibility · Set 747 · 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: “text that can grow” makes the app harder to use. (a) True (b) False
2. 2.♿ A screen has 7 icon buttons. Only 4 of them have a text label for screen readers. How many still need a label?
3. 3.🔍 Which is the odd one out? (a) text that can grow (b) big touch targets (c) strong colour contrast (d) tiny tap areas
4. 4.True or false: “tiny tap areas” helps everyone use the app. (a) True (b) False
5. 5.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
   Hint: 19 px
   Label: 14 px
   Caption: 17 px
   Body text: 19 px
6. 6.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
   Body text: 15 px
   Label: 19 px
   Hint: 11 px
7. 7.♿ Does this help everyone, or make the app harder to use: text that can grow? (a) makes it harder (b) helps everyone
8. 8.🔍 Which is the odd one out? (a) text that can grow (b) colour as the only clue (c) captions on videos (d) labels on every icon
9. 9.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
   Body text: 15 px
   Footer: 15 px
   Label: 24 px
   Caption: 14 px
10. 10.🔍 Which is the odd one out? (a) colour as the only clue (b) sudden loud sounds (c) labels on every icon (d) icons with no labels
11. 11.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Label: 18 px
    Title: 20 px
    Footer: 17 px
    Caption: 12 px
    Hint: 23 px (a) Caption (b) Title (c) Label (d) Footer
12. 12.♿ What does a screen reader do? (a) takes photos (b) plays music (c) makes text tiny (d) reads the screen aloud
13. 13.Which of these makes the app harder to use? (a) icons with no labels (b) big touch targets (c) captions on videos (d) labels on every icon
14. 14.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
    Body text: 23 px
    Hint: 21 px
    Title: 21 px
15. 15.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
    Hint: 12 px
    Menu: 13 px
    Caption: 14 px
16. 16.🔍 Which is the odd one out? (a) fast-flashing lights (b) tiny tap areas (c) colour as the only clue (d) strong colour contrast
17. 17.♿ Does this help everyone, or make the app harder to use: fast-flashing lights? (a) makes it harder (b) helps everyone
18. 18.True or false: “big touch targets” makes the app harder to use. (a) True (b) False
19. 19.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
    Footer: 18 px
    Body text: 20 px
    Label: 11 px
    Menu: 23 px
20. 20.♿ Why add captions to videos? (a) to add colour (b) so anyone can follow (c) to slow them down (d) to hide the sound
21. 21.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Label: 16 px
    Body text: 27 px
    Menu: 16 px
    Footer: 10 px
    Title: 19 px (a) Label (b) Menu (c) Body text (d) Footer
22. 22.Which of these makes the app harder to use? (a) labels on every icon (b) tiny tap areas (c) strong colour contrast (d) big touch targets
23. 23.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
    Label: 15 px
    Hint: 13 px
    Footer: 19 px
    Caption: 10 px
    Title: 14 px
24. 24.True or false: “labels on every icon” helps everyone use the app. (a) True (b) False
25. 25.Which of these makes the app harder to use? (a) text that can grow (b) captions on videos (c) labels on every icon (d) colour as the only clue
26. 26.Which of these helps everyone use the app? (a) colour as the only clue (b) strong colour contrast (c) tiny tap areas (d) fast-flashing lights
27. 27.♿ Does this help everyone, or make the app harder to use: captions on videos? (a) makes it harder (b) helps everyone
28. 28.Which of these makes the app harder to use? (a) sudden loud sounds (b) big touch targets (c) captions on videos (d) text that can grow
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.♿ Does this help everyone, or make the app harder to use: big touch targets? (a) makes it harder (b) helps everyone
31. 31.Which of these helps everyone use the app? (a) tiny tap areas (b) icons with no labels (c) sudden loud sounds (d) text that can grow
32. 32.True or false: “big touch targets” helps everyone use the app. (a) False (b) True
33. 33.♿ A screen has 9 icon buttons. Only 4 of them have a text label for screen readers. How many still need a label?
34. 34.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Hint: 10 px
    Footer: 22 px
    Menu: 24 px (a) Hint (b) Footer (c) Menu
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.Which of these helps everyone use the app? (a) colour as the only clue (b) fast-flashing lights (c) captions on videos (d) sudden loud sounds
37. 37.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Footer: 25 px
    Menu: 25 px
    Caption: 19 px
    Body text: 24 px
    Label: 9 px (a) Footer (b) Caption (c) Label (d) Menu
38. 38.True or false: “strong colour contrast” makes the app harder to use. (a) True (b) False
39. 39.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
    Menu: 15 px
    Body text: 21 px
    Caption: 24 px
    Hint: 16 px
    Label: 22 px
40. 40.♿ Does this help everyone, or make the app harder to use: strong colour contrast? (a) makes it harder (b) helps everyone

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