App Dev Worksheet: Accessibility

App development lesson 13: Accessibility · Set 50 · 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 4 of them have a text label for screen readers. How many still need a label?
2. 2.🔍 Which is the odd one out? (a) tiny tap areas (b) icons with no labels (c) captions on videos (d) fast-flashing lights
3. 3.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
   Footer: 21 px
   Caption: 14 px
   Menu: 19 px
   Body text: 22 px
4. 4.♿ Does this help everyone, or make the app harder to use: captions on videos? (a) makes it harder (b) helps everyone
5. 5.♿ A screen has 10 icon buttons. Only 2 of them have a text label for screen readers. How many still need a label?
6. 6.♿ What should every icon-only button have for screen readers? (a) a bright colour (b) a long animation (c) a text label (d) a sound
7. 7.♿ What does a screen reader do? (a) reads the screen aloud (b) takes photos (c) plays music (d) makes text tiny
8. 8.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
   Body text: 13 px
   Footer: 28 px
   Caption: 19 px
   Title: 22 px (a) Footer (b) Title (c) Caption (d) Body text
9. 9.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
   Footer: 13 px
   Caption: 19 px
   Menu: 12 px
10. 10.♿ Why add captions to videos? (a) to hide the sound (b) to slow them down (c) to add colour (d) so anyone can follow
11. 11.♿ Does this help everyone, or make the app harder to use: fast-flashing lights? (a) helps everyone (b) makes it harder
12. 12.🔍 Which is the odd one out? (a) tiny tap areas (b) text that can grow (c) captions on videos (d) labels on every icon
13. 13.Which of these helps everyone use the app? (a) sudden loud sounds (b) fast-flashing lights (c) tiny tap areas (d) captions on videos
14. 14.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Title: 26 px
    Menu: 19 px
    Body text: 16 px
    Footer: 22 px
    Hint: 11 px (a) Body text (b) Menu (c) Hint (d) Title
15. 15.True or false: “captions on videos” makes the app harder to use. (a) True (b) False
16. 16.True or false: “big touch targets” helps everyone use the app. (a) False (b) True
17. 17.🔍 Which is the odd one out? (a) strong colour contrast (b) sudden loud sounds (c) fast-flashing lights (d) tiny tap areas
18. 18.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Footer: 21 px
    Hint: 16 px
    Body text: 14 px
    Label: 22 px (a) Hint (b) Label (c) Footer (d) Body text
19. 19.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Caption: 25 px
    Hint: 22 px
    Footer: 9 px
    Menu: 16 px
    Title: 17 px (a) Caption (b) Menu (c) Footer (d) Hint
20. 20.♿ Does this help everyone, or make the app harder to use: strong colour contrast? (a) makes it harder (b) helps everyone
21. 21.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Title: 26 px
    Body text: 25 px
    Hint: 17 px
    Menu: 13 px (a) Title (b) Menu (c) Body text (d) Hint
22. 22.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Menu: 24 px
    Label: 10 px
    Footer: 23 px (a) Footer (b) Menu (c) Label
23. 23.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Body text: 11 px
    Footer: 27 px
    Menu: 26 px
    Caption: 26 px
    Title: 25 px (a) Caption (b) Menu (c) Footer (d) Body text
24. 24.True or false: “captions on videos” helps everyone use the app. (a) True (b) False
25. 25.Which of these helps everyone use the app? (a) sudden loud sounds (b) icons with no labels (c) fast-flashing lights (d) text that can grow
26. 26.🔍 Which is the odd one out? (a) sudden loud sounds (b) colour as the only clue (c) labels on every icon (d) fast-flashing lights
27. 27.♿ A screen has 8 icon buttons. Only 6 of them have a text label for screen readers. How many still need a label?
28. 28.🔍 Which is the odd one out? (a) icons with no labels (b) text that can grow (c) sudden loud sounds (d) colour as the only clue
29. 29.🔍 Which is the odd one out? (a) captions on videos (b) labels on every icon (c) colour as the only clue (d) big touch targets
30. 30.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Label: 10 px
    Caption: 19 px
    Body text: 23 px (a) Body text (b) Caption (c) Label
31. 31.♿ A screen has 5 icon buttons. Only 2 of them have a text label for screen readers. How many still need a label?
32. 32.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Footer: 10 px
    Title: 21 px
    Label: 19 px
    Hint: 28 px (a) Hint (b) Label (c) Title (d) Footer
33. 33.Which of these helps everyone use the app? (a) tiny tap areas (b) icons with no labels (c) colour as the only clue (d) strong colour contrast
34. 34.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
    Body text: 15 px
    Footer: 23 px
    Title: 20 px
    Caption: 24 px
35. 35.♿ Does this help everyone, or make the app harder to use: labels on every icon? (a) makes it harder (b) helps everyone
36. 36.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
    Caption: 10 px
    Title: 12 px
    Footer: 21 px
    Hint: 13 px
37. 37.🔍 Which is the odd one out? (a) labels on every icon (b) fast-flashing lights (c) text that can grow (d) strong colour contrast
38. 38.True or false: “tiny tap areas” helps everyone use the app. (a) False (b) True
39. 39.True or false: “icons with no labels” helps everyone use the app. (a) True (b) False
40. 40.♿ A screen has 7 icon buttons. Only 5 of them have a text label for screen readers. How many still need a label?

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