App Dev Worksheet: Accessibility

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

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