App Dev Worksheet: Accessibility

App development lesson 13: Accessibility · Set 657 · 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) icons with no labels (b) colour as the only clue (c) sudden loud sounds (d) strong colour contrast
2. 2.True or false: “icons with no labels” makes the app harder to use. (a) True (b) False
3. 3.♿ A screen has 7 icon buttons. Only 5 of them have a text label for screen readers. How many still need a label?
4. 4.🔍 Which is the odd one out? (a) fast-flashing lights (b) sudden loud sounds (c) captions on videos (d) tiny tap areas
5. 5.True or false: “captions on videos” helps everyone use the app. (a) True (b) False
6. 6.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
   Title: 27 px
   Menu: 27 px
   Hint: 21 px
   Body text: 11 px (a) Menu (b) Body text (c) Title (d) Hint
7. 7.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
   Footer: 23 px
   Menu: 19 px
   Body text: 10 px
   Label: 20 px
   Hint: 18 px (a) Label (b) Body text (c) Footer (d) Menu
8. 8.True or false: “icons with no labels” helps everyone use the app. (a) True (b) False
9. 9.♿ A screen has 8 icon buttons. Only 1 of them have a text label for screen readers. How many still need a label?
10. 10.♿ Does this help everyone, or make the app harder to use: strong colour contrast? (a) makes it harder (b) helps everyone
11. 11.♿ Why add captions to videos? (a) to hide the sound (b) to slow them down (c) so anyone can follow (d) to add colour
12. 12.♿ A screen has 7 icon buttons. Only 6 of them have a text label for screen readers. How many still need a label?
13. 13.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Caption: 16 px
    Body text: 21 px
    Label: 21 px
    Title: 14 px
    Hint: 21 px (a) Body text (b) Title (c) Label (d) Caption
14. 14.True or false: “tiny tap areas” helps everyone use the app. (a) False (b) True
15. 15.♿ Does this help everyone, or make the app harder to use: fast-flashing lights? (a) helps everyone (b) makes it harder
16. 16.Which of these makes the app harder to use? (a) text that can grow (b) big touch targets (c) strong colour contrast (d) fast-flashing lights
17. 17.🔍 Which is the odd one out? (a) tiny tap areas (b) fast-flashing lights (c) sudden loud sounds (d) labels on every icon
18. 18.♿ Does this help everyone, or make the app harder to use: text that can grow? (a) helps everyone (b) makes it harder
19. 19.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Caption: 11 px
    Label: 17 px
    Body text: 23 px (a) Caption (b) Label (c) Body text
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.♿ What should every icon-only button have for screen readers? (a) a bright colour (b) a long animation (c) a text label (d) a sound
22. 22.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Menu: 16 px
    Caption: 23 px
    Footer: 14 px (a) Footer (b) Menu (c) Caption
23. 23.♿ What does a screen reader do? (a) makes text tiny (b) plays music (c) takes photos (d) reads the screen aloud
24. 24.Which of these helps everyone use the app? (a) icons with no labels (b) sudden loud sounds (c) colour as the only clue (d) captions on videos
25. 25.🔍 Which is the odd one out? (a) captions on videos (b) text that can grow (c) labels on every icon (d) colour as the only clue
26. 26.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
    Hint: 17 px
    Footer: 13 px
    Label: 10 px
27. 27.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Footer: 10 px
    Title: 27 px
    Menu: 16 px (a) Title (b) Menu (c) Footer
28. 28.♿ Does this help everyone, or make the app harder to use: sudden loud sounds? (a) helps everyone (b) makes it harder
29. 29.♿ Does this help everyone, or make the app harder to use: big touch targets? (a) makes it harder (b) helps everyone
30. 30.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Caption: 17 px
    Body text: 13 px
    Title: 20 px
    Hint: 28 px (a) Caption (b) Title (c) Body text (d) Hint
31. 31.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Menu: 25 px
    Hint: 26 px
    Body text: 12 px (a) Hint (b) Body text (c) Menu
32. 32.🔍 Which is the odd one out? (a) big touch targets (b) sudden loud sounds (c) fast-flashing lights (d) tiny tap areas
33. 33.♿ Does this help everyone, or make the app harder to use: labels on every icon? (a) helps everyone (b) makes it harder
34. 34.🔍 Which is the odd one out? (a) sudden loud sounds (b) text that can grow (c) captions on videos (d) labels on every icon
35. 35.True or false: “sudden loud sounds” helps everyone use the app. (a) True (b) False
36. 36.♿ Does this help everyone, or make the app harder to use: captions on videos? (a) helps everyone (b) makes it harder
37. 37.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Hint: 9 px
    Body text: 27 px
    Caption: 24 px
    Menu: 26 px (a) Body text (b) Hint (c) Menu (d) Caption
38. 38.♿ Accessibility means an app works for ___. (a) nobody (b) only the coder (c) everyone (d) only experts
39. 39.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Footer: 10 px
    Label: 17 px
    Body text: 25 px
    Menu: 24 px
    Hint: 26 px (a) Label (b) Body text (c) Footer (d) Menu
40. 40.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
    Caption: 21 px
    Label: 20 px
    Menu: 10 px

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