App Dev Worksheet: Accessibility

App development lesson 13: Accessibility · Set 389 · 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: strong colour contrast? (a) helps everyone (b) makes it harder
2. 2.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
   Caption: 10 px
   Hint: 22 px
   Menu: 17 px
   Footer: 17 px (a) Footer (b) Menu (c) Caption (d) Hint
3. 3.♿ What does a screen reader do? (a) plays music (b) takes photos (c) reads the screen aloud (d) makes text tiny
4. 4.True or false: “colour as the only clue” helps everyone use the app. (a) True (b) False
5. 5.♿ Why add captions to videos? (a) so anyone can follow (b) to slow them down (c) to hide the sound (d) to add colour
6. 6.Which of these makes the app harder to use? (a) tiny tap areas (b) strong colour contrast (c) labels on every icon (d) text that can grow
7. 7.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
   Caption: 20 px
   Footer: 15 px
   Body text: 24 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.True or false: “tiny tap areas” makes the app harder to use. (a) True (b) False
10. 10.Which of these makes the app harder to use? (a) labels on every icon (b) text that can grow (c) captions on videos (d) sudden loud sounds
11. 11.🔍 Which is the odd one out? (a) sudden loud sounds (b) strong colour contrast (c) text that can grow (d) big touch targets
12. 12.♿ Does this help everyone, or make the app harder to use: tiny tap areas? (a) helps everyone (b) makes it harder
13. 13.♿ Showing right or wrong only in red and green is a problem for ___. (a) colour-blind users (b) fast typists (c) the battery (d) the server
14. 14.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Title: 19 px
    Body text: 23 px
    Caption: 9 px (a) Caption (b) Title (c) Body text
15. 15.♿ A screen has 9 icon buttons. Only 4 of them have a text label for screen readers. How many still need a label?
16. 16.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Label: 25 px
    Hint: 11 px
    Caption: 22 px
    Body text: 28 px
    Title: 16 px (a) Label (b) Body text (c) Caption (d) Hint
17. 17.True or false: “text that can grow” helps everyone use the app. (a) False (b) True
18. 18.♿ A screen has 8 icon buttons. Only 6 of them have a text label for screen readers. How many still need a label?
19. 19.♿ Does this help everyone, or make the app harder to use: big touch targets? (a) helps everyone (b) makes it harder
20. 20.♿ A screen has 6 icon buttons. Only 1 of them have a text label for screen readers. How many still need a label?
21. 21.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
    Caption: 11 px
    Hint: 24 px
    Title: 19 px
22. 22.🔍 Which is the odd one out? (a) big touch targets (b) colour as the only clue (c) labels on every icon (d) text that can grow
23. 23.True or false: “captions on videos” helps everyone use the app. (a) True (b) False
24. 24.♿ Does this help everyone, or make the app harder to use: colour as the only clue? (a) makes it harder (b) helps everyone
25. 25.♿ A screen has 8 icon buttons. Only 3 of them have a text label for screen readers. How many still need a label?
26. 26.♿ A screen has 5 icon buttons. Only 1 of them have a text label for screen readers. How many still need a label?
27. 27.True or false: “fast-flashing lights” helps everyone use the app. (a) False (b) True
28. 28.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
    Label: 17 px
    Menu: 22 px
    Body text: 13 px
29. 29.♿ A screen has 10 icon buttons. Only 1 of them have a text label for screen readers. How many still need a label?
30. 30.♿ A screen has 7 icon buttons. Only 4 of them have a text label for screen readers. How many still need a label?
31. 31.True or false: “icons with no labels” helps everyone use the app. (a) False (b) True
32. 32.Which of these helps everyone use the app? (a) tiny tap areas (b) labels on every icon (c) colour as the only clue (d) sudden loud sounds
33. 33.🔍 Which is the odd one out? (a) strong colour contrast (b) fast-flashing lights (c) colour as the only clue (d) tiny tap areas
34. 34.♿ Accessibility means an app works for ___. (a) nobody (b) everyone (c) only the coder (d) only experts
35. 35.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
    Menu: 14 px
    Hint: 20 px
    Title: 12 px
36. 36.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Hint: 18 px
    Label: 13 px
    Menu: 19 px
    Body text: 19 px (a) Hint (b) Label (c) Menu (d) Body text
37. 37.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Body text: 17 px
    Footer: 19 px
    Label: 11 px (a) Footer (b) Body text (c) Label
38. 38.True or false: “captions on videos” makes the app harder to use. (a) True (b) False
39. 39.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Caption: 26 px
    Title: 28 px
    Menu: 12 px (a) Title (b) Menu (c) Caption
40. 40.♿ What should every icon-only button have for screen readers? (a) a sound (b) a bright colour (c) a text label (d) a long animation

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