App Dev Worksheet: Accessibility

App development lesson 13: Accessibility · Set 422 · 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: colour as the only clue? (a) helps everyone (b) makes it harder
2. 2.♿ Does this help everyone, or make the app harder to use: captions on videos? (a) helps everyone (b) makes it harder
3. 3.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
   Hint: 12 px
   Menu: 16 px
   Title: 20 px
   Caption: 28 px
   Footer: 23 px (a) Menu (b) Caption (c) Title (d) Hint
4. 4.♿ Does this help everyone, or make the app harder to use: tiny tap areas? (a) helps everyone (b) makes it harder
5. 5.Which of these makes the app harder to use? (a) text that can grow (b) labels on every icon (c) tiny tap areas (d) strong colour contrast
6. 6.♿ A screen has 9 icon buttons. Only 4 of them have a text label for screen readers. How many still need a label?
7. 7.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
   Title: 10 px
   Menu: 10 px
   Caption: 20 px
   Hint: 19 px
8. 8.♿ Does this help everyone, or make the app harder to use: icons with no labels? (a) helps everyone (b) makes it harder
9. 9.🔍 Which is the odd one out? (a) tiny tap areas (b) text that can grow (c) strong colour contrast (d) captions on videos
10. 10.Which of these helps everyone use the app? (a) text that can grow (b) tiny tap areas (c) sudden loud sounds (d) colour as the only clue
11. 11.♿ Why add captions to videos? (a) to slow them down (b) so anyone can follow (c) to add colour (d) to hide the sound
12. 12.♿ A screen has 6 icon buttons. Only 4 of them have a text label for screen readers. How many still need a label?
13. 13.♿ A screen has 5 icon buttons. Only 4 of them have a text label for screen readers. How many still need a label?
14. 14.🔍 Which is the odd one out? (a) captions on videos (b) labels on every icon (c) text that can grow (d) fast-flashing lights
15. 15.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
    Hint: 10 px
    Menu: 13 px
    Body text: 14 px
    Footer: 22 px
    Label: 17 px
16. 16.🔍 Which is the odd one out? (a) fast-flashing lights (b) tiny tap areas (c) icons with no labels (d) text that can grow
17. 17.♿ Accessibility means an app works for ___. (a) only experts (b) only the coder (c) everyone (d) nobody
18. 18.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
    Body text: 15 px
    Footer: 14 px
    Label: 18 px
    Title: 20 px
    Menu: 17 px
19. 19.♿ A screen has 9 icon buttons. Only 7 of them have a text label for screen readers. How many still need a label?
20. 20.♿ Does this help everyone, or make the app harder to use: big touch targets? (a) makes it harder (b) helps everyone
21. 21.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
    Footer: 14 px
    Body text: 20 px
    Hint: 12 px
    Menu: 16 px
22. 22.♿ Showing right or wrong only in red and green is a problem for ___. (a) the server (b) colour-blind users (c) the battery (d) fast typists
23. 23.🔍 Which is the odd one out? (a) captions on videos (b) strong colour contrast (c) text that can grow (d) sudden loud sounds
24. 24.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Label: 11 px
    Body text: 23 px
    Menu: 23 px
    Footer: 16 px
    Title: 22 px (a) Body text (b) Footer (c) Label (d) Menu
25. 25.Which of these makes the app harder to use? (a) captions on videos (b) labels on every icon (c) colour as the only clue (d) text that can grow
26. 26.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Caption: 16 px
    Body text: 12 px
    Hint: 26 px
    Title: 18 px
    Label: 28 px (a) Body text (b) Hint (c) Title (d) Caption
27. 27.Which of these helps everyone use the app? (a) labels on every icon (b) fast-flashing lights (c) tiny tap areas (d) sudden loud sounds
28. 28.True or false: “colour as the only clue” makes the app harder to use. (a) True (b) False
29. 29.Which of these helps everyone use the app? (a) colour as the only clue (b) strong colour contrast (c) fast-flashing lights (d) tiny tap areas
30. 30.♿ A screen has 5 icon buttons. Only 1 of them have a text label for screen readers. How many still need a label?
31. 31.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Footer: 13 px
    Title: 18 px
    Hint: 18 px (a) Title (b) Hint (c) Footer
32. 32.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Body text: 27 px
    Title: 25 px
    Hint: 23 px
    Caption: 25 px
    Footer: 14 px (a) Body text (b) Title (c) Hint (d) Footer
33. 33.🔍 Which is the odd one out? (a) tiny tap areas (b) captions on videos (c) icons with no labels (d) fast-flashing lights
34. 34.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
    Hint: 21 px
    Label: 20 px
    Caption: 13 px
    Footer: 10 px
    Body text: 19 px
35. 35.♿ What does a screen reader do? (a) makes text tiny (b) plays music (c) reads the screen aloud (d) takes photos
36. 36.True or false: “strong colour contrast” helps everyone use the app. (a) True (b) False
37. 37.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
    Title: 18 px
    Hint: 22 px
    Label: 13 px
    Menu: 22 px
    Body text: 23 px
38. 38.True or false: “icons with no labels” 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: 22 px
    Title: 25 px
    Caption: 12 px (a) Title (b) Caption (c) Hint
40. 40.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Title: 28 px
    Hint: 27 px
    Caption: 26 px
    Label: 16 px
    Body text: 13 px (a) Caption (b) Hint (c) Body text (d) Title

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