App Dev Worksheet: Accessibility

App development lesson 13: Accessibility · Set 187 · 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?
   Caption: 11 px
   Menu: 18 px
   Hint: 16 px
   Footer: 17 px
2. 2.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
   Footer: 12 px
   Title: 20 px
   Body text: 19 px
3. 3.Which of these helps everyone use the app? (a) colour as the only clue (b) icons with no labels (c) fast-flashing lights (d) strong colour contrast
4. 4.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
   Hint: 9 px
   Menu: 17 px
   Body text: 22 px (a) Hint (b) Menu (c) Body text
5. 5.🔍 Which is the odd one out? (a) tiny tap areas (b) sudden loud sounds (c) big touch targets (d) icons with no labels
6. 6.♿ Does this help everyone, or make the app harder to use: sudden loud sounds? (a) helps everyone (b) makes it harder
7. 7.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
   Footer: 26 px
   Title: 14 px
   Body text: 19 px (a) Body text (b) Footer (c) Title
8. 8.♿ A screen has 12 icon buttons. Only 1 of them have a text label for screen readers. How many still need a label?
9. 9.True or false: “strong colour contrast” helps everyone use the app. (a) False (b) True
10. 10.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
    Caption: 16 px
    Hint: 22 px
    Body text: 12 px
    Label: 19 px
11. 11.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
    Label: 22 px
    Title: 13 px
    Menu: 10 px
    Body text: 18 px
    Hint: 11 px
12. 12.♿ Does this help everyone, or make the app harder to use: tiny tap areas? (a) helps everyone (b) makes it harder
13. 13.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Footer: 18 px
    Hint: 28 px
    Body text: 12 px
    Caption: 24 px (a) Footer (b) Hint (c) Caption (d) Body text
14. 14.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
    Menu: 20 px
    Title: 24 px
    Body text: 14 px
    Caption: 23 px
    Footer: 19 px
15. 15.♿ A screen has 10 icon buttons. Only 7 of them have a text label for screen readers. How many still need a label?
16. 16.♿ A screen has 8 icon buttons. Only 2 of them have a text label for screen readers. How many still need a label?
17. 17.♿ A screen has 9 icon buttons. Only 4 of them have a text label for screen readers. How many still need a label?
18. 18.True or false: “big touch targets” makes the app harder to use. (a) True (b) False
19. 19.♿ Does this help everyone, or make the app harder to use: icons with no labels? (a) makes it harder (b) helps everyone
20. 20.♿ Does this help everyone, or make the app harder to use: colour as the only clue? (a) helps everyone (b) makes it harder
21. 21.♿ Accessibility means an app works for ___. (a) nobody (b) only the coder (c) only experts (d) everyone
22. 22.True or false: “captions on videos” makes the app harder to use. (a) True (b) False
23. 23.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
    Menu: 12 px
    Caption: 16 px
    Title: 19 px
    Footer: 24 px
24. 24.♿ A screen has 7 icon buttons. Only 2 of them have a text label for screen readers. How many still need a label?
25. 25.♿ A screen has 5 icon buttons. Only 3 of them have a text label for screen readers. How many still need a label?
26. 26.Which of these helps everyone use the app? (a) colour as the only clue (b) captions on videos (c) sudden loud sounds (d) tiny tap areas
27. 27.True or false: “fast-flashing lights” makes the app harder to use. (a) False (b) True
28. 28.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
    Caption: 10 px
    Footer: 20 px
    Menu: 11 px
    Label: 18 px
29. 29.Which of these helps everyone use the app? (a) text that can grow (b) icons with no labels (c) colour as the only clue (d) sudden loud sounds
30. 30.True or false: “colour as the only clue” 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?
    Title: 14 px
    Caption: 14 px
    Body text: 23 px
    Menu: 10 px
    Footer: 24 px
32. 32.♿ What does a screen reader do? (a) makes text tiny (b) takes photos (c) plays music (d) reads the screen aloud
33. 33.Which of these helps everyone use the app? (a) sudden loud sounds (b) big touch targets (c) colour as the only clue (d) fast-flashing lights
34. 34.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Caption: 23 px
    Hint: 26 px
    Footer: 23 px
    Menu: 14 px
    Title: 18 px (a) Menu (b) Caption (c) Footer (d) Hint
35. 35.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Menu: 13 px
    Caption: 26 px
    Body text: 22 px (a) Body text (b) Menu (c) Caption
36. 36.True or false: “icons with no labels” helps everyone use the app. (a) False (b) True
37. 37.🔍 Which is the odd one out? (a) icons with no labels (b) colour as the only clue (c) captions on videos (d) fast-flashing lights
38. 38.🔍 Which is the odd one out? (a) tiny tap areas (b) labels on every icon (c) fast-flashing lights (d) colour as the only clue
39. 39.Which of these makes the app harder to use? (a) labels on every icon (b) fast-flashing lights (c) strong colour contrast (d) text that can grow
40. 40.🔍 Which is the odd one out? (a) sudden loud sounds (b) fast-flashing lights (c) tiny tap areas (d) text that can grow

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