App Dev Worksheet: Accessibility

App development lesson 13: Accessibility · Set 404 · 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) makes it harder (b) helps everyone
2. 2.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
   Body text: 24 px
   Hint: 10 px
   Caption: 24 px
   Footer: 13 px
3. 3.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
   Caption: 14 px
   Title: 10 px
   Footer: 16 px
   Menu: 11 px
4. 4.True or false: “captions on videos” makes the app harder to use. (a) True (b) False
5. 5.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
   Menu: 17 px
   Footer: 18 px
   Hint: 20 px
   Title: 17 px
   Body text: 11 px (a) Footer (b) Hint (c) Menu (d) Body text
6. 6.Which of these helps everyone use the app? (a) big touch targets (b) fast-flashing lights (c) tiny tap areas (d) colour as the only clue
7. 7.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
   Title: 14 px
   Body text: 22 px
   Footer: 16 px (a) Title (b) Body text (c) Footer
8. 8.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
   Hint: 14 px
   Body text: 10 px
   Footer: 13 px
9. 9.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
   Hint: 22 px
   Label: 22 px
   Footer: 23 px
   Title: 12 px
   Body text: 24 px
10. 10.🔍 Which is the odd one out? (a) big touch targets (b) captions on videos (c) strong colour contrast (d) fast-flashing lights
11. 11.Which of these makes the app harder to use? (a) captions on videos (b) fast-flashing lights (c) strong colour contrast (d) big touch targets
12. 12.♿ Does this help everyone, or make the app harder to use: text that can grow? (a) helps everyone (b) makes it harder
13. 13.♿ 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
14. 14.True or false: “captions on videos” helps everyone use the app. (a) False (b) True
15. 15.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
    Footer: 19 px
    Menu: 11 px
    Caption: 12 px
    Title: 18 px
    Body text: 16 px
16. 16.♿ Does this help everyone, or make the app harder to use: tiny tap areas? (a) makes it harder (b) helps everyone
17. 17.♿ Does this help everyone, or make the app harder to use: sudden loud sounds? (a) helps everyone (b) makes it harder
18. 18.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Label: 28 px
    Menu: 9 px
    Caption: 25 px (a) Menu (b) Caption (c) Label
19. 19.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Menu: 22 px
    Label: 13 px
    Hint: 18 px (a) Label (b) Hint (c) Menu
20. 20.🔍 Which is the odd one out? (a) icons with no labels (b) captions on videos (c) labels on every icon (d) big touch targets
21. 21.Which of these helps everyone use the app? (a) colour as the only clue (b) tiny tap areas (c) strong colour contrast (d) sudden loud sounds
22. 22.🔍 Which is the odd one out? (a) tiny tap areas (b) captions on videos (c) sudden loud sounds (d) icons with no labels
23. 23.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
    Footer: 14 px
    Menu: 15 px
    Caption: 11 px
24. 24.♿ Accessibility means an app works for ___. (a) only experts (b) nobody (c) everyone (d) only the coder
25. 25.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Title: 16 px
    Footer: 17 px
    Caption: 23 px
    Menu: 13 px (a) Title (b) Caption (c) Menu (d) Footer
26. 26.True or false: “sudden loud sounds” helps everyone use the app. (a) True (b) False
27. 27.🔍 Which is the odd one out? (a) fast-flashing lights (b) text that can grow (c) icons with no labels (d) colour as the only clue
28. 28.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
    Body text: 20 px
    Label: 19 px
    Menu: 18 px
29. 29.♿ A screen has 5 icon buttons. Only 4 of them have a text label for screen readers. How many still need a label?
30. 30.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Title: 14 px
    Label: 18 px
    Caption: 17 px
    Body text: 17 px
    Hint: 28 px (a) Body text (b) Label (c) Title (d) Caption
31. 31.True or false: “icons with no labels” helps everyone use the app. (a) True (b) False
32. 32.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
33. 33.True or false: “labels on every icon” makes the app harder to use. (a) True (b) False
34. 34.♿ A screen has 6 icon buttons. Only 4 of them have a text label for screen readers. How many still need a label?
35. 35.True or false: “sudden loud sounds” makes the app harder to use. (a) True (b) False
36. 36.♿ Why add captions to videos? (a) to add colour (b) to slow them down (c) so anyone can follow (d) to hide the sound
37. 37.🔍 Which is the odd one out? (a) strong colour contrast (b) big touch targets (c) sudden loud sounds (d) captions on videos
38. 38.🔍 Which is the odd one out? (a) fast-flashing lights (b) icons with no labels (c) big touch targets (d) tiny tap areas
39. 39.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Title: 19 px
    Caption: 27 px
    Hint: 12 px
    Label: 25 px
    Menu: 21 px (a) Caption (b) Title (c) Label (d) Hint
40. 40.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Title: 26 px
    Hint: 26 px
    Caption: 26 px
    Body text: 16 px
    Menu: 14 px (a) Caption (b) Hint (c) Menu (d) Title

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