App Dev Worksheet: Accessibility

App development lesson 13: Accessibility · Set 669 · 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.♿ A screen has 10 icon buttons. Only 1 of them have a text label for screen readers. How many still need a label?
2. 2.🔍 Which is the odd one out? (a) big touch targets (b) captions on videos (c) strong colour contrast (d) tiny tap areas
3. 3.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
   Footer: 19 px
   Menu: 12 px
   Body text: 21 px
   Hint: 28 px
   Label: 25 px (a) Body text (b) Menu (c) Footer (d) Hint
4. 4.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
   Caption: 25 px
   Menu: 16 px
   Body text: 12 px
   Hint: 19 px (a) Menu (b) Body text (c) Caption (d) Hint
5. 5.True or false: “captions on videos” makes the app harder to use. (a) False (b) True
6. 6.♿ A screen has 5 icon buttons. Only 3 of them have a text label for screen readers. How many still need a label?
7. 7.♿ Why add captions to videos? (a) to hide the sound (b) to add colour (c) to slow them down (d) so anyone can follow
8. 8.♿ A screen has 7 icon buttons. Only 6 of them have a text label for screen readers. How many still need a label?
9. 9.Which of these makes the app harder to use? (a) big touch targets (b) captions on videos (c) labels on every icon (d) sudden loud sounds
10. 10.Which of these helps everyone use the app? (a) fast-flashing lights (b) colour as the only clue (c) sudden loud sounds (d) strong colour contrast
11. 11.Which of these helps everyone use the app? (a) tiny tap areas (b) sudden loud sounds (c) labels on every icon (d) colour as the only clue
12. 12.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Footer: 27 px
    Label: 18 px
    Hint: 9 px (a) Footer (b) Label (c) Hint
13. 13.Which of these makes the app harder to use? (a) colour as the only clue (b) strong colour contrast (c) text that can grow (d) labels on every icon
14. 14.True or false: “icons with no labels” helps everyone use the app. (a) True (b) False
15. 15.♿ Accessibility means an app works for ___. (a) nobody (b) everyone (c) only experts (d) only the coder
16. 16.Which of these makes the app harder to use? (a) big touch targets (b) captions on videos (c) tiny tap areas (d) strong colour contrast
17. 17.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Caption: 14 px
    Body text: 18 px
    Menu: 26 px
    Label: 19 px
    Footer: 28 px (a) Label (b) Body text (c) Caption (d) Menu
18. 18.♿ A screen has 6 icon buttons. Only 4 of them have a text label for screen readers. How many still need a label?
19. 19.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
    Caption: 10 px
    Hint: 14 px
    Footer: 11 px
    Title: 13 px
20. 20.🔍 Which is the odd one out? (a) colour as the only clue (b) icons with no labels (c) text that can grow (d) tiny tap areas
21. 21.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Title: 24 px
    Body text: 9 px
    Menu: 28 px (a) Title (b) Menu (c) Body text
22. 22.🔍 Which is the odd one out? (a) labels on every icon (b) colour as the only clue (c) text that can grow (d) strong colour contrast
23. 23.🔍 Which is the odd one out? (a) big touch targets (b) strong colour contrast (c) icons with no labels (d) text that can grow
24. 24.♿ A screen has 8 icon buttons. Only 2 of them have a text label for screen readers. How many still need a label?
25. 25.♿ Does this help everyone, or make the app harder to use: fast-flashing lights? (a) makes it harder (b) helps everyone
26. 26.🔍 Which is the odd one out? (a) fast-flashing lights (b) tiny tap areas (c) labels on every icon (d) sudden loud sounds
27. 27.♿ Does this help everyone, or make the app harder to use: tiny tap areas? (a) makes it harder (b) helps everyone
28. 28.♿ What does a screen reader do? (a) plays music (b) makes text tiny (c) takes photos (d) reads the screen aloud
29. 29.True or false: “fast-flashing lights” helps everyone use the app. (a) False (b) True
30. 30.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Menu: 17 px
    Label: 14 px
    Title: 19 px
    Caption: 24 px (a) Title (b) Caption (c) Menu (d) Label
31. 31.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Title: 28 px
    Label: 26 px
    Body text: 12 px
    Hint: 25 px
    Footer: 27 px (a) Title (b) Hint (c) Body text (d) Label
32. 32.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
    Hint: 24 px
    Body text: 21 px
    Menu: 13 px
    Label: 15 px
33. 33.♿ Showing right or wrong only in red and green is a problem for ___. (a) the server (b) fast typists (c) colour-blind users (d) the battery
34. 34.True or false: “tiny tap areas” makes the app harder to use. (a) True (b) False
35. 35.♿ Does this help everyone, or make the app harder to use: labels on every icon? (a) helps everyone (b) makes it harder
36. 36.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Title: 14 px
    Body text: 18 px
    Footer: 21 px (a) Body text (b) Footer (c) Title
37. 37.♿ A screen has 7 icon buttons. Only 4 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. Which text on this screen is too small?
    Menu: 26 px
    Body text: 21 px
    Title: 9 px
    Hint: 23 px (a) Body text (b) Title (c) Menu (d) Hint
39. 39.🔍 Which is the odd one out? (a) fast-flashing lights (b) strong colour contrast (c) text that can grow (d) labels on every icon
40. 40.♿ Does this help everyone, or make the app harder to use: big touch targets? (a) makes it harder (b) helps everyone

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