App Dev Worksheet: Accessibility

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

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