App Dev Worksheet: Accessibility

App development lesson 13: Accessibility · Set 483 · 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.♿ Does this help everyone, or make the app harder to use: text that can grow? (a) makes it harder (b) helps everyone
2. 2.Which of these makes the app harder to use? (a) big touch targets (b) captions on videos (c) strong colour contrast (d) colour as the only clue
3. 3.Which of these makes the app harder to use? (a) captions on videos (b) strong colour contrast (c) big touch targets (d) sudden loud sounds
4. 4.♿ A screen has 5 icon buttons. Only 2 of them have a text label for screen readers. How many still need a label?
5. 5.♿ Accessibility means an app works for ___. (a) only experts (b) everyone (c) nobody (d) only the coder
6. 6.♿ Does this help everyone, or make the app harder to use: labels on every icon? (a) helps everyone (b) makes it harder
7. 7.♿ A screen has 7 icon buttons. Only 4 of them have a text label for screen readers. How many still need a label?
8. 8.♿ Does this help everyone, or make the app harder to use: big touch targets? (a) makes it harder (b) helps everyone
9. 9.♿ What should every icon-only button have for screen readers? (a) a sound (b) a text label (c) a bright colour (d) a long animation
10. 10.🔍 Which is the odd one out? (a) captions on videos (b) big touch targets (c) strong colour contrast (d) tiny tap areas
11. 11.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Title: 22 px
    Caption: 13 px
    Footer: 25 px
    Body text: 22 px (a) Body text (b) Caption (c) Title (d) Footer
12. 12.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Menu: 18 px
    Label: 14 px
    Caption: 22 px (a) Caption (b) Label (c) Menu
13. 13.♿ Does this help everyone, or make the app harder to use: fast-flashing lights? (a) makes it harder (b) helps everyone
14. 14.♿ What does a screen reader do? (a) reads the screen aloud (b) plays music (c) takes photos (d) makes text tiny
15. 15.🔍 Which is the odd one out? (a) colour as the only clue (b) text that can grow (c) big touch targets (d) captions on videos
16. 16.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
    Caption: 13 px
    Hint: 20 px
    Menu: 16 px
17. 17.Which of these helps everyone use the app? (a) text that can grow (b) tiny tap areas (c) colour as the only clue (d) fast-flashing lights
18. 18.🔍 Which is the odd one out? (a) sudden loud sounds (b) colour as the only clue (c) icons with no labels (d) big touch targets
19. 19.♿ A screen has 5 icon buttons. Only 1 of them have a text label for screen readers. How many still need a label?
20. 20.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
    Label: 13 px
    Caption: 24 px
    Body text: 12 px
21. 21.🔍 Which is the odd one out? (a) fast-flashing lights (b) labels on every icon (c) tiny tap areas (d) icons with no labels
22. 22.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Menu: 22 px
    Caption: 28 px
    Label: 9 px
    Footer: 17 px (a) Caption (b) Menu (c) Footer (d) Label
23. 23.♿ Does this help everyone, or make the app harder to use: colour as the only clue? (a) makes it harder (b) helps everyone
24. 24.True or false: “big touch targets” makes the app harder to use. (a) False (b) True
25. 25.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Title: 17 px
    Footer: 12 px
    Hint: 26 px
    Menu: 23 px
    Caption: 28 px (a) Menu (b) Footer (c) Hint (d) Title
26. 26.Which of these helps everyone use the app? (a) fast-flashing lights (b) tiny tap areas (c) sudden loud sounds (d) big touch targets
27. 27.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Hint: 22 px
    Menu: 10 px
    Caption: 22 px (a) Hint (b) Caption (c) Menu
28. 28.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
    Body text: 18 px
    Caption: 14 px
    Footer: 10 px
    Label: 19 px
    Menu: 19 px
29. 29.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Menu: 9 px
    Title: 26 px
    Body text: 21 px (a) Title (b) Menu (c) Body text
30. 30.True or false: “text that can grow” helps everyone use the app. (a) False (b) True
31. 31.♿ A screen has 6 icon buttons. Only 3 of them have a text label for screen readers. How many still need a label?
32. 32.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
    Footer: 23 px
    Hint: 16 px
    Title: 17 px
33. 33.♿ A screen has 5 icon buttons. Only 4 of them have a text label for screen readers. How many still need a label?
34. 34.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
    Menu: 12 px
    Label: 19 px
    Body text: 14 px
35. 35.♿ Does this help everyone, or make the app harder to use: icons with no labels? (a) helps everyone (b) makes it harder
36. 36.Which of these helps everyone use the app? (a) strong colour contrast (b) icons with no labels (c) tiny tap areas (d) fast-flashing lights
37. 37.🔍 Which is the odd one out? (a) colour as the only clue (b) tiny tap areas (c) icons with no labels (d) captions on videos
38. 38.True or false: “fast-flashing lights” helps everyone use the app. (a) True (b) False
39. 39.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Hint: 17 px
    Title: 16 px
    Footer: 9 px
    Caption: 16 px
    Menu: 17 px (a) Caption (b) Hint (c) Title (d) Footer
40. 40.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
    Caption: 24 px
    Label: 18 px
    Title: 21 px
    Footer: 24 px
    Body text: 23 px

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