App Dev Worksheet: Accessibility

App development lesson 13: Accessibility · Set 110 · 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.True or false: “icons with no labels” makes the app harder to use. (a) False (b) True
2. 2.Which of these helps everyone use the app? (a) sudden loud sounds (b) fast-flashing lights (c) strong colour contrast (d) colour as the only clue
3. 3.Which of these helps everyone use the app? (a) icons with no labels (b) labels on every icon (c) sudden loud sounds (d) fast-flashing lights
4. 4.♿ What does a screen reader do? (a) reads the screen aloud (b) takes photos (c) plays music (d) makes text tiny
5. 5.♿ Does this help everyone, or make the app harder to use: strong colour contrast? (a) makes it harder (b) helps everyone
6. 6.🔍 Which is the odd one out? (a) strong colour contrast (b) fast-flashing lights (c) tiny tap areas (d) icons with no labels
7. 7.♿ A screen has 9 icon buttons. Only 3 of them have a text label for screen readers. How many still need a label?
8. 8.♿ A screen has 5 icon buttons. Only 2 of them have a text label for screen readers. How many still need a label?
9. 9.Which of these helps everyone use the app? (a) sudden loud sounds (b) fast-flashing lights (c) big touch targets (d) icons with no labels
10. 10.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Body text: 22 px
    Footer: 14 px
    Hint: 24 px
    Caption: 18 px
    Label: 27 px (a) Caption (b) Footer (c) Body text (d) Hint
11. 11.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Caption: 27 px
    Footer: 9 px
    Menu: 16 px
    Body text: 20 px
    Label: 18 px (a) Caption (b) Body text (c) Menu (d) Footer
12. 12.🔍 Which is the odd one out? (a) strong colour contrast (b) text that can grow (c) fast-flashing lights (d) big touch targets
13. 13.♿ Why add captions to videos? (a) to slow them down (b) to add colour (c) so anyone can follow (d) to hide the sound
14. 14.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
    Label: 22 px
    Caption: 11 px
    Hint: 13 px
15. 15.♿ What should every icon-only button have for screen readers? (a) a bright colour (b) a sound (c) a text label (d) a long animation
16. 16.♿ Does this help everyone, or make the app harder to use: colour as the only clue? (a) helps everyone (b) makes it harder
17. 17.🔍 Which is the odd one out? (a) fast-flashing lights (b) tiny tap areas (c) captions on videos (d) colour as the only clue
18. 18.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Caption: 27 px
    Label: 25 px
    Body text: 14 px
    Title: 22 px (a) Title (b) Label (c) Body text (d) Caption
19. 19.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Caption: 27 px
    Title: 11 px
    Footer: 22 px
    Hint: 24 px (a) Title (b) Hint (c) Caption (d) Footer
20. 20.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
    Hint: 20 px
    Body text: 21 px
    Title: 14 px
21. 21.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Hint: 19 px
    Footer: 14 px
    Title: 17 px (a) Hint (b) Title (c) Footer
22. 22.♿ Does this help everyone, or make the app harder to use: text that can grow? (a) makes it harder (b) helps everyone
23. 23.🔍 Which is the odd one out? (a) labels on every icon (b) strong colour contrast (c) text that can grow (d) colour as the only clue
24. 24.True or false: “colour as the only clue” helps everyone use the app. (a) False (b) True
25. 25.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Body text: 20 px
    Caption: 27 px
    Label: 12 px (a) Caption (b) Label (c) Body text
26. 26.Which of these makes the app harder to use? (a) icons with no labels (b) captions on videos (c) strong colour contrast (d) text that can grow
27. 27.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
    Body text: 20 px
    Hint: 16 px
    Title: 19 px
    Caption: 18 px
    Menu: 15 px
28. 28.♿ Accessibility means an app works for ___. (a) only the coder (b) only experts (c) everyone (d) nobody
29. 29.♿ Does this help everyone, or make the app harder to use: captions on videos? (a) helps everyone (b) makes it harder
30. 30.♿ A screen has 11 icon buttons. Only 2 of them have a text label for screen readers. How many still need a label?
31. 31.♿ A screen has 6 icon buttons. Only 4 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. Which text on this screen is too small?
    Title: 20 px
    Hint: 12 px
    Label: 19 px
    Caption: 17 px (a) Hint (b) Label (c) Caption (d) Title
33. 33.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Label: 14 px
    Menu: 19 px
    Title: 27 px
    Body text: 17 px
    Hint: 27 px (a) Body text (b) Menu (c) Title (d) Label
34. 34.♿ A screen has 7 icon buttons. Only 2 of them have a text label for screen readers. How many still need a label?
35. 35.True or false: “fast-flashing lights” helps everyone use the app. (a) True (b) False
36. 36.🔍 Which is the odd one out? (a) tiny tap areas (b) text that can grow (c) big touch targets (d) captions on videos
37. 37.🔍 Which is the odd one out? (a) icons with no labels (b) sudden loud sounds (c) big touch targets (d) fast-flashing lights
38. 38.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Caption: 20 px
    Title: 16 px
    Body text: 19 px
    Menu: 9 px (a) Caption (b) Menu (c) Body text (d) Title
39. 39.🔍 Which is the odd one out? (a) big touch targets (b) captions on videos (c) icons with no labels (d) strong colour contrast
40. 40.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Footer: 17 px
    Title: 11 px
    Hint: 20 px
    Body text: 28 px (a) Hint (b) Title (c) Body text (d) Footer

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