App Dev Worksheet: Accessibility

App development lesson 13: Accessibility · Set 599 · 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.Which of these helps everyone use the app? (a) tiny tap areas (b) sudden loud sounds (c) colour as the only clue (d) strong colour contrast
2. 2.♿ What does a screen reader do? (a) takes photos (b) reads the screen aloud (c) makes text tiny (d) plays music
3. 3.♿ Does this help everyone, or make the app harder to use: icons with no labels? (a) makes it harder (b) helps everyone
4. 4.♿ What should every icon-only button have for screen readers? (a) a text label (b) a long animation (c) a bright colour (d) a sound
5. 5.♿ A screen has 11 icon buttons. Only 6 of them have a text label for screen readers. How many still need a label?
6. 6.True or false: “labels on every icon” helps everyone use the app. (a) False (b) True
7. 7.♿ Does this help everyone, or make the app harder to use: tiny tap areas? (a) helps everyone (b) makes it harder
8. 8.True or false: “captions on videos” helps everyone use the app. (a) True (b) False
9. 9.♿ Accessibility means an app works for ___. (a) nobody (b) everyone (c) only the coder (d) only experts
10. 10.🔍 Which is the odd one out? (a) colour as the only clue (b) captions on videos (c) sudden loud sounds (d) icons with no labels
11. 11.Which of these helps everyone use the app? (a) colour as the only clue (b) labels on every icon (c) fast-flashing lights (d) icons with no labels
12. 12.🔍 Which is the odd one out? (a) big touch targets (b) labels on every icon (c) text that can grow (d) colour as the only clue
13. 13.♿ Does this help everyone, or make the app harder to use: captions on videos? (a) makes it harder (b) helps everyone
14. 14.Which of these makes the app harder to use? (a) strong colour contrast (b) tiny tap areas (c) text that can grow (d) captions on videos
15. 15.🔍 Which is the odd one out? (a) strong colour contrast (b) labels on every icon (c) tiny tap areas (d) captions on videos
16. 16.🔍 Which is the odd one out? (a) captions on videos (b) icons with no labels (c) strong colour contrast (d) big touch targets
17. 17.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Hint: 21 px
    Body text: 9 px
    Title: 17 px (a) Body text (b) Hint (c) Title
18. 18.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
    Body text: 13 px
    Menu: 12 px
    Footer: 24 px
    Title: 23 px
19. 19.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
    Caption: 16 px
    Label: 10 px
    Menu: 22 px
    Body text: 20 px
20. 20.Which of these makes the app harder to use? (a) captions on videos (b) colour as the only clue (c) big touch targets (d) strong colour contrast
21. 21.🔍 Which is the odd one out? (a) labels on every icon (b) colour as the only clue (c) icons with no labels (d) fast-flashing lights
22. 22.♿ A screen has 5 icon buttons. Only 1 of them have a text label for screen readers. How many still need a label?
23. 23.🔍 Which is the odd one out? (a) text that can grow (b) icons with no labels (c) fast-flashing lights (d) sudden loud sounds
24. 24.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Label: 17 px
    Footer: 12 px
    Body text: 28 px (a) Footer (b) Label (c) Body text
25. 25.True or false: “strong colour contrast” makes the app harder to use. (a) True (b) False
26. 26.♿ Why add captions to videos? (a) to hide the sound (b) so anyone can follow (c) to slow them down (d) to add colour
27. 27.True or false: “text that can grow” helps everyone use the app. (a) False (b) True
28. 28.True or false: “strong colour contrast” helps everyone use the app. (a) True (b) False
29. 29.🔍 Which is the odd one out? (a) strong colour contrast (b) labels on every icon (c) captions on videos (d) fast-flashing lights
30. 30.True or false: “captions on videos” makes the app harder to use. (a) False (b) True
31. 31.Which of these helps everyone use the app? (a) captions on videos (b) tiny tap areas (c) sudden loud sounds (d) colour as the only clue
32. 32.True or false: “tiny tap areas” helps everyone use the app. (a) False (b) True
33. 33.True or false: “sudden loud sounds” makes the app harder to use. (a) False (b) True
34. 34.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Caption: 23 px
    Title: 28 px
    Body text: 26 px
    Footer: 18 px
    Hint: 10 px (a) Title (b) Body text (c) Caption (d) Hint
35. 35.True or false: “labels on every icon” makes the app harder to use. (a) True (b) False
36. 36.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
    Body text: 15 px
    Menu: 11 px
    Caption: 18 px
    Title: 20 px
    Label: 11 px
37. 37.♿ A screen has 8 icon buttons. Only 3 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?
    Caption: 11 px
    Label: 17 px
    Body text: 11 px
    Footer: 13 px
39. 39.♿ A screen has 6 icon buttons. Only 5 of them have a text label for screen readers. How many still need a label?
40. 40.Which of these helps everyone use the app? (a) sudden loud sounds (b) big touch targets (c) icons with no labels (d) fast-flashing lights

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