App Dev Worksheet: Accessibility

App development lesson 13: Accessibility · Set 521 · 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?
   Hint: 19 px
   Menu: 28 px
   Label: 12 px (a) Menu (b) Label (c) Hint
2. 2.🔍 Which is the odd one out? (a) fast-flashing lights (b) captions on videos (c) labels on every icon (d) text that can grow
3. 3.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
   Footer: 22 px
   Title: 17 px
   Caption: 9 px (a) Caption (b) Title (c) Footer
4. 4.🔍 Which is the odd one out? (a) text that can grow (b) sudden loud sounds (c) tiny tap areas (d) colour as the only clue
5. 5.Which of these helps everyone use the app? (a) strong colour contrast (b) sudden loud sounds (c) tiny tap areas (d) colour as the only clue
6. 6.Which of these makes the app harder to use? (a) sudden loud sounds (b) strong colour contrast (c) labels on every icon (d) big touch targets
7. 7.Which of these makes the app harder to use? (a) tiny tap areas (b) captions on videos (c) labels on every icon (d) text that can grow
8. 8.Which of these makes the app harder to use? (a) strong colour contrast (b) text that can grow (c) big touch targets (d) colour as the only clue
9. 9.♿ A screen has 12 icon buttons. Only 3 of them have a text label for screen readers. How many still need a label?
10. 10.♿ Why add captions to videos? (a) so anyone can follow (b) to add colour (c) to slow them down (d) to hide the sound
11. 11.♿ What does a screen reader do? (a) plays music (b) reads the screen aloud (c) takes photos (d) makes text tiny
12. 12.♿ What should every icon-only button have for screen readers? (a) a sound (b) a bright colour (c) a long animation (d) a text label
13. 13.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Hint: 9 px
    Menu: 19 px
    Body text: 25 px
    Footer: 18 px
    Title: 23 px (a) Footer (b) Hint (c) Body text (d) Menu
14. 14.True or false: “tiny tap areas” helps everyone use the app. (a) True (b) False
15. 15.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
    Menu: 11 px
    Title: 16 px
    Body text: 24 px
    Footer: 19 px
16. 16.♿ Does this help everyone, or make the app harder to use: tiny tap areas? (a) makes it harder (b) helps everyone
17. 17.♿ A screen has 10 icon buttons. Only 2 of them have a text label for screen readers. How many still need a label?
18. 18.♿ Accessibility means an app works for ___. (a) only experts (b) nobody (c) only the coder (d) everyone
19. 19.True or false: “sudden loud sounds” helps everyone use the app. (a) False (b) True
20. 20.🔍 Which is the odd one out? (a) labels on every icon (b) text that can grow (c) colour as the only clue (d) strong colour contrast
21. 21.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Menu: 27 px
    Caption: 10 px
    Body text: 24 px
    Footer: 23 px (a) Body text (b) Footer (c) Menu (d) Caption
22. 22.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Footer: 16 px
    Hint: 20 px
    Title: 13 px (a) Title (b) Footer (c) Hint
23. 23.♿ Does this help everyone, or make the app harder to use: icons with no labels? (a) makes it harder (b) helps everyone
24. 24.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
    Hint: 22 px
    Label: 17 px
    Title: 24 px
    Footer: 11 px
    Menu: 10 px
25. 25.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
    Footer: 13 px
    Body text: 13 px
    Label: 17 px
26. 26.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
    Body text: 10 px
    Caption: 17 px
    Title: 17 px
    Label: 10 px
    Menu: 10 px
27. 27.🔍 Which is the odd one out? (a) icons with no labels (b) tiny tap areas (c) fast-flashing lights (d) captions on videos
28. 28.♿ A screen has 5 icon buttons. Only 3 of them have a text label for screen readers. How many still need a label?
29. 29.Which of these helps everyone use the app? (a) sudden loud sounds (b) icons with no labels (c) big touch targets (d) tiny tap areas
30. 30.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Menu: 14 px
    Body text: 21 px
    Footer: 24 px (a) Menu (b) Footer (c) Body text
31. 31.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
    Label: 16 px
    Hint: 19 px
    Body text: 16 px
32. 32.True or false: “fast-flashing lights” helps everyone use the app. (a) False (b) True
33. 33.True or false: “labels on every icon” makes the app harder to use. (a) False (b) True
34. 34.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
    Title: 10 px
    Caption: 14 px
    Hint: 23 px
    Footer: 22 px
    Body text: 15 px
35. 35.♿ Does this help everyone, or make the app harder to use: colour as the only clue? (a) makes it harder (b) helps everyone
36. 36.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Caption: 18 px
    Footer: 24 px
    Body text: 11 px (a) Body text (b) Footer (c) Caption
37. 37.♿ A screen has 5 icon buttons. Only 1 of them have a text label for screen readers. How many still need a label?
38. 38.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
    Label: 15 px
    Hint: 22 px
    Title: 10 px
    Caption: 24 px
39. 39.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
    Body text: 23 px
    Footer: 15 px
    Hint: 14 px
    Caption: 19 px
40. 40.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Menu: 27 px
    Label: 11 px
    Footer: 19 px
    Hint: 22 px (a) Menu (b) Hint (c) Label (d) Footer

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