App Dev Worksheet: Accessibility

App development lesson 13: Accessibility · Set 239 · 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?
   Label: 9 px
   Caption: 16 px
   Footer: 18 px
   Title: 16 px
   Hint: 17 px (a) Footer (b) Caption (c) Label (d) Title
2. 2.True or false: “icons with no labels” makes the app harder to use. (a) False (b) True
3. 3.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
   Body text: 19 px
   Caption: 12 px
   Hint: 24 px
4. 4.🔍 Which is the odd one out? (a) sudden loud sounds (b) fast-flashing lights (c) colour as the only clue (d) text that can grow
5. 5.♿ Accessibility means an app works for ___. (a) only the coder (b) everyone (c) nobody (d) only experts
6. 6.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
   Footer: 14 px
   Body text: 16 px
   Hint: 14 px
7. 7.♿ A screen has 10 icon buttons. Only 4 of them have a text label for screen readers. How many still need a label?
8. 8.True or false: “labels on every icon” makes the app harder to use. (a) False (b) True
9. 9.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
   Title: 19 px
   Label: 21 px
   Body text: 10 px
10. 10.♿ A screen has 7 icon buttons. Only 1 of them have a text label for screen readers. How many still need a label?
11. 11.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
    Hint: 12 px
    Body text: 11 px
    Menu: 15 px
    Caption: 14 px
12. 12.True or false: “fast-flashing lights” makes the app harder to use. (a) True (b) False
13. 13.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
    Body text: 13 px
    Title: 16 px
    Hint: 24 px
    Menu: 24 px
    Footer: 13 px
14. 14.🔍 Which is the odd one out? (a) captions on videos (b) strong colour contrast (c) text that can grow (d) fast-flashing lights
15. 15.🔍 Which is the odd one out? (a) labels on every icon (b) big touch targets (c) text that can grow (d) tiny tap areas
16. 16.♿ What does a screen reader do? (a) takes photos (b) reads the screen aloud (c) plays music (d) makes text tiny
17. 17.♿ Does this help everyone, or make the app harder to use: colour as the only clue? (a) helps everyone (b) makes it harder
18. 18.Which of these makes the app harder to use? (a) captions on videos (b) text that can grow (c) fast-flashing lights (d) labels on every icon
19. 19.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Caption: 17 px
    Menu: 11 px
    Title: 16 px
    Hint: 27 px
    Footer: 19 px (a) Menu (b) Title (c) Caption (d) Hint
20. 20.Which of these helps everyone use the app? (a) fast-flashing lights (b) big touch targets (c) tiny tap areas (d) colour as the only clue
21. 21.Which of these makes the app harder to use? (a) strong colour contrast (b) text that can grow (c) big touch targets (d) tiny tap areas
22. 22.🔍 Which is the odd one out? (a) big touch targets (b) labels on every icon (c) icons with no labels (d) text that can grow
23. 23.♿ Does this help everyone, or make the app harder to use: text that can grow? (a) makes it harder (b) helps everyone
24. 24.🔍 Which is the odd one out? (a) tiny tap areas (b) strong colour contrast (c) colour as the only clue (d) fast-flashing lights
25. 25.♿ Does this help everyone, or make the app harder to use: icons with no labels? (a) makes it harder (b) helps everyone
26. 26.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Caption: 25 px
    Footer: 26 px
    Title: 11 px
    Body text: 21 px
    Menu: 21 px (a) Footer (b) Body text (c) Title (d) Caption
27. 27.🔍 Which is the odd one out? (a) colour as the only clue (b) sudden loud sounds (c) fast-flashing lights (d) labels on every icon
28. 28.♿ Does this help everyone, or make the app harder to use: captions on videos? (a) helps everyone (b) makes it harder
29. 29.♿ A screen has 10 icon buttons. Only 1 of them have a text label for screen readers. How many still need a label?
30. 30.True or false: “fast-flashing lights” helps everyone use the app. (a) True (b) False
31. 31.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
    Body text: 19 px
    Title: 14 px
    Footer: 16 px
    Hint: 19 px
    Label: 16 px
32. 32.♿ A screen has 5 icon buttons. Only 2 of them have a text label for screen readers. How many still need a label?
33. 33.Which of these helps everyone use the app? (a) fast-flashing lights (b) captions on videos (c) sudden loud sounds (d) colour as the only clue
34. 34.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Body text: 10 px
    Footer: 27 px
    Menu: 18 px (a) Footer (b) Menu (c) Body text
35. 35.♿ What should every icon-only button have for screen readers? (a) a long animation (b) a bright colour (c) a text label (d) a sound
36. 36.♿ A screen has 6 icon buttons. Only 5 of them have a text label for screen readers. How many still need a label?
37. 37.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
    Title: 23 px
    Footer: 15 px
    Label: 19 px
38. 38.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
    Menu: 16 px
    Title: 15 px
    Body text: 20 px
39. 39.♿ A screen has 11 icon buttons. Only 8 of them have a text label for screen readers. How many still need a label?
40. 40.True or false: “labels on every icon” helps everyone use the app. (a) True (b) False

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