App Dev Worksheet: Accessibility

App development lesson 13: Accessibility · Set 223 · 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: labels on every icon? (a) makes it harder (b) helps everyone
2. 2.Which of these helps everyone use the app? (a) tiny tap areas (b) fast-flashing lights (c) big touch targets (d) colour as the only clue
3. 3.♿ A screen has 8 icon buttons. Only 4 of them have a text label for screen readers. How many still need a label?
4. 4.♿ Does this help everyone, or make the app harder to use: captions on videos? (a) helps everyone (b) makes it harder
5. 5.♿ Does this help everyone, or make the app harder to use: fast-flashing lights? (a) makes it harder (b) helps everyone
6. 6.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
   Label: 10 px
   Footer: 18 px
   Menu: 11 px
   Title: 11 px
7. 7.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
   Footer: 11 px
   Menu: 21 px
   Title: 24 px
   Label: 26 px
   Caption: 17 px (a) Footer (b) Menu (c) Title (d) Label
8. 8.♿ Does this help everyone, or make the app harder to use: strong colour contrast? (a) makes it harder (b) helps everyone
9. 9.Which of these makes the app harder to use? (a) text that can grow (b) captions on videos (c) strong colour contrast (d) colour as the only clue
10. 10.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Menu: 12 px
    Footer: 16 px
    Body text: 23 px
    Caption: 21 px (a) Menu (b) Body text (c) Caption (d) Footer
11. 11.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
    Body text: 22 px
    Title: 11 px
    Menu: 14 px
    Footer: 15 px
12. 12.♿ Why add captions to videos? (a) to add colour (b) so anyone can follow (c) to slow them down (d) to hide the sound
13. 13.♿ What should every icon-only button have for screen readers? (a) a bright colour (b) a text label (c) a sound (d) a long animation
14. 14.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Footer: 16 px
    Body text: 24 px
    Menu: 10 px
    Title: 21 px (a) Body text (b) Footer (c) Title (d) Menu
15. 15.True or false: “strong colour contrast” helps everyone use the app. (a) False (b) True
16. 16.♿ What does a screen reader do? (a) makes text tiny (b) takes photos (c) plays music (d) reads the screen aloud
17. 17.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
    Caption: 17 px
    Title: 14 px
    Menu: 15 px
18. 18.♿ Does this help everyone, or make the app harder to use: sudden loud sounds? (a) makes it harder (b) helps everyone
19. 19.🔍 Which is the odd one out? (a) text that can grow (b) captions on videos (c) labels on every icon (d) tiny tap areas
20. 20.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
    Body text: 14 px
    Title: 12 px
    Footer: 13 px
21. 21.♿ Does this help everyone, or make the app harder to use: big touch targets? (a) helps everyone (b) makes it harder
22. 22.True or false: “fast-flashing lights” makes the app harder to use. (a) True (b) False
23. 23.♿ A screen has 9 icon buttons. Only 7 of them have a text label for screen readers. How many still need a label?
24. 24.Which of these makes the app harder to use? (a) icons with no labels (b) text that can grow (c) labels on every icon (d) strong colour contrast
25. 25.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Hint: 22 px
    Menu: 17 px
    Title: 10 px
    Footer: 20 px
    Body text: 24 px (a) Menu (b) Footer (c) Hint (d) Title
26. 26.♿ A screen has 12 icon buttons. Only 2 of them have a text label for screen readers. How many still need a label?
27. 27.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Hint: 27 px
    Menu: 27 px
    Body text: 10 px
    Label: 19 px (a) Body text (b) Hint (c) Label (d) Menu
28. 28.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Label: 16 px
    Body text: 9 px
    Footer: 18 px
    Caption: 25 px
    Title: 18 px (a) Label (b) Caption (c) Footer (d) Body text
29. 29.Which of these helps everyone use the app? (a) text that can grow (b) tiny tap areas (c) icons with no labels (d) sudden loud sounds
30. 30.♿ Showing right or wrong only in red and green is a problem for ___. (a) the battery (b) colour-blind users (c) fast typists (d) the server
31. 31.🔍 Which is the odd one out? (a) icons with no labels (b) big touch targets (c) labels on every icon (d) text that can grow
32. 32.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Label: 25 px
    Caption: 14 px
    Body text: 18 px (a) Caption (b) Body text (c) Label
33. 33.🔍 Which is the odd one out? (a) fast-flashing lights (b) tiny tap areas (c) sudden loud sounds (d) strong colour contrast
34. 34.True or false: “labels on every icon” helps everyone use the app. (a) False (b) True
35. 35.True or false: “sudden loud sounds” makes the app harder to use. (a) False (b) True
36. 36.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
    Body text: 20 px
    Footer: 13 px
    Menu: 15 px
    Title: 20 px
37. 37.♿ A screen has 7 icon buttons. Only 1 of them have a text label for screen readers. How many still need a label?
38. 38.♿ A screen has 10 icon buttons. Only 6 of them have a text label for screen readers. How many still need a label?
39. 39.🔍 Which is the odd one out? (a) captions on videos (b) text that can grow (c) colour as the only clue (d) big touch targets
40. 40.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Label: 23 px
    Title: 20 px
    Footer: 9 px (a) Title (b) Label (c) Footer

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