App Dev Worksheet: Accessibility

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

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