App Dev Worksheet: Accessibility

App development lesson 13: Accessibility · Set 428 · 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: 11 px
   Title: 17 px
   Label: 19 px (a) Title (b) Label (c) Hint
2. 2.♿ 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
3. 3.♿ What does a screen reader do? (a) takes photos (b) makes text tiny (c) plays music (d) reads the screen aloud
4. 4.True or false: “sudden loud sounds” makes the app harder to use. (a) True (b) False
5. 5.♿ Showing right or wrong only in red and green is a problem for ___. (a) the server (b) fast typists (c) the battery (d) colour-blind users
6. 6.🔍 Which is the odd one out? (a) labels on every icon (b) strong colour contrast (c) sudden loud sounds (d) captions on videos
7. 7.♿ Does this help everyone, or make the app harder to use: colour as the only clue? (a) helps everyone (b) makes it harder
8. 8.🔍 Which is the odd one out? (a) text that can grow (b) icons with no labels (c) sudden loud sounds (d) fast-flashing lights
9. 9.Which of these helps everyone use the app? (a) tiny tap areas (b) sudden loud sounds (c) icons with no labels (d) captions on videos
10. 10.♿ Does this help everyone, or make the app harder to use: captions on videos? (a) helps everyone (b) makes it harder
11. 11.🔍 Which is the odd one out? (a) sudden loud sounds (b) big touch targets (c) colour as the only clue (d) fast-flashing lights
12. 12.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
    Hint: 11 px
    Body text: 20 px
    Footer: 19 px
13. 13.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Title: 26 px
    Footer: 13 px
    Body text: 17 px (a) Title (b) Footer (c) Body text
14. 14.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
    Footer: 23 px
    Body text: 19 px
    Label: 20 px
15. 15.Which of these makes the app harder to use? (a) labels on every icon (b) icons with no labels (c) captions on videos (d) big touch targets
16. 16.♿ Does this help everyone, or make the app harder to use: labels on every icon? (a) makes it harder (b) helps everyone
17. 17.True or false: “icons with no labels” makes the app harder to use. (a) False (b) True
18. 18.♿ A screen has 11 icon buttons. Only 6 of them have a text label for screen readers. How many still need a label?
19. 19.♿ Why add captions to videos? (a) to slow them down (b) to hide the sound (c) so anyone can follow (d) to add colour
20. 20.🔍 Which is the odd one out? (a) strong colour contrast (b) big touch targets (c) captions on videos (d) tiny tap areas
21. 21.Which of these makes the app harder to use? (a) captions on videos (b) sudden loud sounds (c) labels on every icon (d) strong colour contrast
22. 22.🔍 Which is the odd one out? (a) sudden loud sounds (b) labels on every icon (c) tiny tap areas (d) colour as the only clue
23. 23.♿ A screen has 9 icon buttons. Only 3 of them have a text label for screen readers. How many still need a label?
24. 24.True or false: “icons with no labels” helps everyone use the app. (a) False (b) True
25. 25.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
    Footer: 18 px
    Title: 13 px
    Body text: 10 px
    Menu: 22 px
26. 26.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Body text: 10 px
    Hint: 16 px
    Caption: 18 px (a) Body text (b) Hint (c) Caption
27. 27.True or false: “labels on every icon” makes the app harder to use. (a) False (b) True
28. 28.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
    Body text: 11 px
    Menu: 21 px
    Footer: 14 px
    Caption: 17 px
    Hint: 18 px
29. 29.♿ Accessibility means an app works for ___. (a) nobody (b) only the coder (c) everyone (d) only experts
30. 30.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Body text: 19 px
    Footer: 26 px
    Caption: 17 px
    Hint: 11 px
    Label: 26 px (a) Body text (b) Footer (c) Caption (d) Hint
31. 31.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Caption: 22 px
    Title: 28 px
    Menu: 22 px
    Label: 16 px
    Body text: 12 px (a) Body text (b) Menu (c) Caption (d) Title
32. 32.Which of these helps everyone use the app? (a) sudden loud sounds (b) fast-flashing lights (c) tiny tap areas (d) text that can grow
33. 33.True or false: “fast-flashing lights” helps everyone use the app. (a) True (b) False
34. 34.True or false: “tiny tap areas” helps everyone use the app. (a) False (b) True
35. 35.♿ A screen has 10 icon buttons. Only 1 of them have a text label for screen readers. How many still need a label?
36. 36.🔍 Which is the odd one out? (a) colour as the only clue (b) labels on every icon (c) strong colour contrast (d) text that can grow
37. 37.True or false: “captions on videos” makes the app harder to use. (a) False (b) True
38. 38.♿ Does this help everyone, or make the app harder to use: icons with no labels? (a) helps everyone (b) makes it harder
39. 39.True or false: “colour as the only clue” helps everyone use the app. (a) False (b) True
40. 40.🔍 Which is the odd one out? (a) icons with no labels (b) captions on videos (c) sudden loud sounds (d) fast-flashing lights

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