App Dev Worksheet: Accessibility

App development lesson 13: Accessibility · Set 555 · 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.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
   Menu: 11 px
   Hint: 24 px
   Label: 16 px
   Title: 20 px (a) Menu (b) Label (c) Hint (d) Title
2. 2.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
   Body text: 13 px
   Hint: 19 px
   Caption: 16 px (a) Caption (b) Body text (c) Hint
3. 3.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
   Menu: 21 px
   Label: 17 px
   Title: 16 px
   Footer: 24 px
4. 4.🔍 Which is the odd one out? (a) labels on every icon (b) colour as the only clue (c) text that can grow (d) strong colour contrast
5. 5.🔍 Which is the odd one out? (a) tiny tap areas (b) sudden loud sounds (c) text that can grow (d) fast-flashing lights
6. 6.♿ 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
7. 7.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
   Body text: 16 px
   Label: 14 px
   Hint: 19 px
   Menu: 12 px
   Title: 10 px
8. 8.♿ A screen has 7 icon buttons. Only 6 of them have a text label for screen readers. How many still need a label?
9. 9.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
   Title: 23 px
   Footer: 13 px
   Body text: 17 px
   Caption: 16 px
   Hint: 15 px
10. 10.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Label: 10 px
    Footer: 17 px
    Title: 18 px
    Body text: 18 px (a) Footer (b) Title (c) Body text (d) Label
11. 11.🔍 Which is the odd one out? (a) tiny tap areas (b) sudden loud sounds (c) fast-flashing lights (d) labels on every icon
12. 12.🔍 Which is the odd one out? (a) fast-flashing lights (b) icons with no labels (c) strong colour contrast (d) sudden loud sounds
13. 13.Which of these makes the app harder to use? (a) tiny tap areas (b) strong colour contrast (c) labels on every icon (d) text that can grow
14. 14.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Caption: 27 px
    Hint: 20 px
    Label: 25 px
    Title: 10 px (a) Title (b) Label (c) Caption (d) Hint
15. 15.♿ Does this help everyone, or make the app harder to use: text that can grow? (a) helps everyone (b) makes it harder
16. 16.♿ Does this help everyone, or make the app harder to use: tiny tap areas? (a) helps everyone (b) makes it harder
17. 17.True or false: “text that can grow” makes the app harder to use. (a) True (b) False
18. 18.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Footer: 10 px
    Hint: 19 px
    Caption: 25 px
    Label: 16 px (a) Caption (b) Label (c) Footer (d) Hint
19. 19.♿ Does this help everyone, or make the app harder to use: labels on every icon? (a) makes it harder (b) helps everyone
20. 20.♿ A screen has 8 icon buttons. Only 1 of them have a text label for screen readers. How many still need a label?
21. 21.🔍 Which is the odd one out? (a) text that can grow (b) big touch targets (c) labels on every icon (d) fast-flashing lights
22. 22.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
    Hint: 14 px
    Caption: 18 px
    Title: 15 px
23. 23.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
    Label: 20 px
    Body text: 10 px
    Footer: 17 px
    Title: 15 px
24. 24.True or false: “fast-flashing lights” makes the app harder to use. (a) False (b) True
25. 25.♿ Does this help everyone, or make the app harder to use: colour as the only clue? (a) helps everyone (b) makes it harder
26. 26.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
    Caption: 24 px
    Title: 13 px
    Body text: 14 px
27. 27.♿ What does a screen reader do? (a) plays music (b) takes photos (c) reads the screen aloud (d) makes text tiny
28. 28.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
    Body text: 14 px
    Menu: 16 px
    Caption: 24 px
    Hint: 16 px
29. 29.True or false: “text that can grow” helps everyone use the app. (a) False (b) True
30. 30.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Body text: 19 px
    Title: 14 px
    Menu: 21 px
    Hint: 26 px (a) Hint (b) Title (c) Menu (d) Body text
31. 31.Which of these makes the app harder to use? (a) captions on videos (b) strong colour contrast (c) labels on every icon (d) sudden loud sounds
32. 32.♿ A screen has 7 icon buttons. Only 2 of them have a text label for screen readers. How many still need a label?
33. 33.🔍 Which is the odd one out? (a) big touch targets (b) labels on every icon (c) sudden loud sounds (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: 14 px
    Menu: 10 px
    Caption: 12 px
    Label: 21 px
    Title: 10 px
35. 35.♿ Does this help everyone, or make the app harder to use: fast-flashing lights? (a) helps everyone (b) makes it harder
36. 36.True or false: “icons with no labels” helps everyone use the app. (a) True (b) False
37. 37.🔍 Which is the odd one out? (a) tiny tap areas (b) strong colour contrast (c) text that can grow (d) labels on every icon
38. 38.♿ A screen has 12 icon buttons. Only 6 of them have a text label for screen readers. How many still need a label?
39. 39.♿ A screen has 10 icon buttons. Only 6 of them have a text label for screen readers. How many still need a label?
40. 40.🔍 Which is the odd one out? (a) captions on videos (b) icons with no labels (c) strong colour contrast (d) text that can grow

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