App Dev Worksheet: Accessibility

App development lesson 13: Accessibility · Set 359 · 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.♿ Why add captions to videos? (a) to hide the sound (b) so anyone can follow (c) to slow them down (d) to add colour
2. 2.True or false: “fast-flashing lights” helps everyone use the app. (a) True (b) False
3. 3.Which of these makes the app harder to use? (a) big touch targets (b) strong colour contrast (c) colour as the only clue (d) labels on every icon
4. 4.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
   Title: 11 px
   Hint: 28 px
   Label: 27 px (a) Hint (b) Title (c) Label
5. 5.🔍 Which is the odd one out? (a) sudden loud sounds (b) strong colour contrast (c) colour as the only clue (d) icons with no labels
6. 6.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
   Hint: 10 px
   Title: 22 px
   Caption: 23 px
   Label: 19 px
7. 7.Which of these helps everyone use the app? (a) sudden loud sounds (b) tiny tap areas (c) fast-flashing lights (d) big touch targets
8. 8.♿ Does this help everyone, or make the app harder to use: icons with no labels? (a) makes it harder (b) helps everyone
9. 9.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
   Label: 13 px
   Hint: 14 px
   Title: 17 px
   Body text: 11 px
   Caption: 13 px
10. 10.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
    Hint: 12 px
    Menu: 11 px
    Caption: 10 px
    Body text: 21 px
11. 11.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
    Body text: 13 px
    Caption: 21 px
    Hint: 21 px
    Footer: 24 px
12. 12.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Title: 18 px
    Body text: 24 px
    Footer: 28 px
    Hint: 9 px (a) Body text (b) Hint (c) Title (d) Footer
13. 13.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Title: 9 px
    Caption: 23 px
    Label: 17 px
    Body text: 22 px (a) Title (b) Body text (c) Label (d) Caption
14. 14.♿ Accessibility means an app works for ___. (a) only experts (b) nobody (c) only the coder (d) everyone
15. 15.Which of these helps everyone use the app? (a) labels on every icon (b) tiny tap areas (c) icons with no labels (d) colour as the only clue
16. 16.♿ What should every icon-only button have for screen readers? (a) a sound (b) a long animation (c) a bright colour (d) a text label
17. 17.True or false: “tiny tap areas” makes the app harder to use. (a) False (b) True
18. 18.♿ What does a screen reader do? (a) plays music (b) takes photos (c) makes text tiny (d) reads the screen aloud
19. 19.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Body text: 23 px
    Hint: 26 px
    Caption: 11 px
    Title: 22 px (a) Hint (b) Title (c) Body text (d) Caption
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.♿ Does this help everyone, or make the app harder to use: big touch targets? (a) makes it harder (b) helps everyone
22. 22.True or false: “sudden loud sounds” makes the app harder to use. (a) False (b) True
23. 23.🔍 Which is the odd one out? (a) captions on videos (b) sudden loud sounds (c) colour as the only clue (d) icons with no labels
24. 24.♿ Does this help everyone, or make the app harder to use: captions on videos? (a) makes it harder (b) helps everyone
25. 25.♿ Does this help everyone, or make the app harder to use: strong colour contrast? (a) makes it harder (b) helps everyone
26. 26.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
    Title: 15 px
    Body text: 20 px
    Hint: 23 px
    Caption: 11 px
    Footer: 17 px
27. 27.🔍 Which is the odd one out? (a) colour as the only clue (b) big touch targets (c) strong colour contrast (d) labels on every icon
28. 28.🔍 Which is the odd one out? (a) strong colour contrast (b) labels on every icon (c) text that can grow (d) fast-flashing lights
29. 29.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Caption: 23 px
    Title: 13 px
    Label: 17 px (a) Title (b) Caption (c) Label
30. 30.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
    Footer: 11 px
    Hint: 23 px
    Caption: 21 px
    Label: 20 px
    Menu: 11 px
31. 31.♿ A screen has 11 icon buttons. Only 1 of them have a text label for screen readers. How many still need a label?
32. 32.True or false: “icons with no labels” makes the app harder to use. (a) True (b) False
33. 33.♿ A screen has 10 icon buttons. Only 3 of them have a text label for screen readers. How many still need a label?
34. 34.True or false: “big touch targets” makes the app harder to use. (a) True (b) False
35. 35.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Body text: 16 px
    Hint: 28 px
    Footer: 28 px
    Title: 10 px (a) Body text (b) Title (c) Footer (d) Hint
36. 36.♿ A screen has 6 icon buttons. Only 2 of them have a text label for screen readers. How many still need a label?
37. 37.True or false: “strong colour contrast” helps everyone use the app. (a) False (b) True
38. 38.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
    Hint: 23 px
    Menu: 19 px
    Caption: 22 px
    Footer: 20 px
39. 39.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
    Hint: 20 px
    Body text: 11 px
    Menu: 22 px
    Title: 16 px
    Label: 11 px
40. 40.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Body text: 21 px
    Title: 18 px
    Menu: 10 px
    Hint: 27 px
    Caption: 18 px (a) Hint (b) Menu (c) Body text (d) Title

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