App Dev Worksheet: Accessibility

App development lesson 13: Accessibility · Set 476 · 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. How many texts on this screen are too small?
   Menu: 11 px
   Caption: 11 px
   Footer: 18 px
   Label: 18 px
   Title: 20 px
2. 2.🔍 Which is the odd one out? (a) tiny tap areas (b) fast-flashing lights (c) colour as the only clue (d) labels on every icon
3. 3.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
   Footer: 13 px
   Caption: 17 px
   Menu: 24 px
   Label: 28 px
   Hint: 26 px (a) Footer (b) Caption (c) Menu (d) Label
4. 4.♿ Does this help everyone, or make the app harder to use: labels on every icon? (a) makes it harder (b) helps everyone
5. 5.🔍 Which is the odd one out? (a) captions on videos (b) fast-flashing lights (c) labels on every icon (d) strong colour contrast
6. 6.♿ What should every icon-only button have for screen readers? (a) a sound (b) a bright colour (c) a long animation (d) a text label
7. 7.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
   Caption: 28 px
   Footer: 9 px
   Body text: 20 px
   Menu: 19 px (a) Caption (b) Footer (c) Body text (d) Menu
8. 8.Which of these helps everyone use the app? (a) text that can grow (b) sudden loud sounds (c) fast-flashing lights (d) icons with no labels
9. 9.♿ A screen has 7 icon buttons. Only 5 of them have a text label for screen readers. How many still need a label?
10. 10.True or false: “labels on every icon” helps everyone use the app. (a) True (b) False
11. 11.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Hint: 26 px
    Footer: 23 px
    Caption: 22 px
    Menu: 27 px
    Title: 12 px (a) Hint (b) Footer (c) Caption (d) Title
12. 12.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
    Hint: 23 px
    Caption: 11 px
    Body text: 16 px
    Footer: 14 px
    Title: 14 px
13. 13.🔍 Which is the odd one out? (a) fast-flashing lights (b) colour as the only clue (c) sudden loud sounds (d) strong colour contrast
14. 14.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Hint: 9 px
    Footer: 17 px
    Label: 21 px
    Caption: 16 px
    Menu: 21 px (a) Footer (b) Caption (c) Label (d) Hint
15. 15.True or false: “tiny tap areas” makes the app harder to use. (a) True (b) False
16. 16.♿ What does a screen reader do? (a) plays music (b) makes text tiny (c) takes photos (d) reads the screen aloud
17. 17.Which of these helps everyone use the app? (a) tiny tap areas (b) icons with no labels (c) sudden loud sounds (d) big touch targets
18. 18.True or false: “big touch targets” makes the app harder to use. (a) False (b) True
19. 19.♿ A screen has 5 icon buttons. Only 1 of them have a text label for screen readers. How many still need a label?
20. 20.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Footer: 16 px
    Title: 26 px
    Caption: 12 px
    Menu: 22 px
    Body text: 20 px (a) Footer (b) Caption (c) Menu (d) Title
21. 21.♿ Does this help everyone, or make the app harder to use: strong colour contrast? (a) makes it harder (b) helps everyone
22. 22.🔍 Which is the odd one out? (a) text that can grow (b) icons with no labels (c) colour as the only clue (d) tiny tap areas
23. 23.♿ A screen has 11 icon buttons. Only 5 of them have a text label for screen readers. How many still need a label?
24. 24.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Menu: 17 px
    Body text: 27 px
    Caption: 14 px
    Hint: 27 px
    Title: 25 px (a) Menu (b) Body text (c) Hint (d) Caption
25. 25.🔍 Which is the odd one out? (a) tiny tap areas (b) sudden loud sounds (c) captions on videos (d) colour as the only clue
26. 26.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
    Caption: 17 px
    Hint: 11 px
    Title: 12 px
    Menu: 24 px
    Label: 20 px
27. 27.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Body text: 16 px
    Label: 12 px
    Menu: 16 px (a) Body text (b) Label (c) Menu
28. 28.♿ Showing right or wrong only in red and green is a problem for ___. (a) the battery (b) the server (c) colour-blind users (d) fast typists
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?
    Footer: 25 px
    Label: 25 px
    Menu: 27 px
    Title: 11 px
    Caption: 20 px (a) Title (b) Label (c) Menu (d) Footer
31. 31.True or false: “colour as the only clue” makes the app harder to use. (a) False (b) True
32. 32.🔍 Which is the odd one out? (a) strong colour contrast (b) labels on every icon (c) text that can grow (d) tiny tap areas
33. 33.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Body text: 17 px
    Menu: 17 px
    Title: 27 px
    Caption: 12 px (a) Body text (b) Title (c) Caption (d) Menu
34. 34.Which of these helps everyone use the app? (a) tiny tap areas (b) colour as the only clue (c) labels on every icon (d) fast-flashing lights
35. 35.♿ Does this help everyone, or make the app harder to use: big touch targets? (a) makes it harder (b) helps everyone
36. 36.True or false: “captions on videos” makes the app harder to use. (a) True (b) False
37. 37.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Caption: 10 px
    Footer: 19 px
    Hint: 21 px
    Body text: 22 px (a) Footer (b) Hint (c) Caption (d) Body text
38. 38.True or false: “fast-flashing lights” makes the app harder to use. (a) True (b) False
39. 39.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Hint: 14 px
    Body text: 26 px
    Label: 19 px (a) Label (b) Body text (c) Hint
40. 40.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Title: 10 px
    Footer: 27 px
    Label: 23 px
    Body text: 16 px (a) Body text (b) Footer (c) Title (d) Label

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