App Dev Worksheet: Accessibility

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

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