App Dev Worksheet: Accessibility

App development lesson 13: Accessibility · Set 444 · 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 9 icon buttons. Only 5 of them have a text label for screen readers. How many still need a label?
2. 2.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
   Title: 20 px
   Caption: 22 px
   Body text: 13 px
   Footer: 19 px
   Hint: 18 px (a) Caption (b) Body text (c) Footer (d) Title
3. 3.♿ A screen has 10 icon buttons. Only 5 of them have a text label for screen readers. How many still need a label?
4. 4.♿ Does this help everyone, or make the app harder to use: captions on videos? (a) makes it harder (b) helps everyone
5. 5.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
   Label: 9 px
   Footer: 19 px
   Menu: 17 px
   Caption: 19 px
   Body text: 22 px (a) Menu (b) Footer (c) Label (d) Caption
6. 6.♿ Accessibility means an app works for ___. (a) everyone (b) only experts (c) nobody (d) only the coder
7. 7.♿ What does a screen reader do? (a) makes text tiny (b) takes photos (c) reads the screen aloud (d) plays music
8. 8.True or false: “text that can grow” makes the app harder to use. (a) False (b) True
9. 9.♿ Does this help everyone, or make the app harder to use: fast-flashing lights? (a) helps everyone (b) makes it harder
10. 10.🔍 Which is the odd one out? (a) colour as the only clue (b) tiny tap areas (c) fast-flashing lights (d) strong colour contrast
11. 11.♿ Why add captions to videos? (a) to add colour (b) so anyone can follow (c) to hide the sound (d) to slow them down
12. 12.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
    Footer: 10 px
    Title: 15 px
    Hint: 24 px
    Menu: 10 px
13. 13.🔍 Which is the odd one out? (a) labels on every icon (b) text that can grow (c) colour as the only clue (d) strong colour contrast
14. 14.🔍 Which is the odd one out? (a) big touch targets (b) text that can grow (c) captions on videos (d) icons with no labels
15. 15.♿ A screen has 8 icon buttons. Only 6 of them have a text label for screen readers. How many still need a label?
16. 16.♿ A screen has 5 icon buttons. Only 1 of them have a text label for screen readers. How many still need a label?
17. 17.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Label: 11 px
    Footer: 16 px
    Title: 28 px
    Menu: 22 px
    Caption: 16 px (a) Menu (b) Label (c) Title (d) Footer
18. 18.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Hint: 14 px
    Label: 17 px
    Title: 17 px
    Menu: 18 px (a) Menu (b) Title (c) Hint (d) Label
19. 19.True or false: “text that can grow” helps everyone use the app. (a) True (b) False
20. 20.🔍 Which is the odd one out? (a) icons with no labels (b) colour as the only clue (c) fast-flashing lights (d) labels on every icon
21. 21.True or false: “captions on videos” helps everyone use the app. (a) True (b) False
22. 22.♿ 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
23. 23.True or false: “labels on every icon” makes the app harder to use. (a) True (b) False
24. 24.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
    Title: 22 px
    Menu: 22 px
    Body text: 11 px
    Hint: 18 px
    Footer: 19 px
25. 25.True or false: “fast-flashing lights” helps everyone use the app. (a) True (b) False
26. 26.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
    Body text: 15 px
    Caption: 20 px
    Label: 15 px
27. 27.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Title: 27 px
    Menu: 12 px
    Caption: 21 px (a) Menu (b) Title (c) Caption
28. 28.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Title: 23 px
    Footer: 14 px
    Label: 23 px
    Menu: 23 px (a) Label (b) Title (c) Menu (d) Footer
29. 29.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Footer: 27 px
    Title: 12 px
    Hint: 22 px (a) Footer (b) Hint (c) Title
30. 30.♿ Does this help everyone, or make the app harder to use: tiny tap areas? (a) makes it harder (b) helps everyone
31. 31.Which of these makes the app harder to use? (a) captions on videos (b) icons with no labels (c) big touch targets (d) strong colour contrast
32. 32.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Title: 24 px
    Hint: 16 px
    Label: 21 px
    Caption: 19 px
    Footer: 9 px (a) Title (b) Hint (c) Label (d) Footer
33. 33.Which of these helps everyone use the app? (a) tiny tap areas (b) fast-flashing lights (c) captions on videos (d) colour as the only clue
34. 34.Which of these helps everyone use the app? (a) fast-flashing lights (b) sudden loud sounds (c) big touch targets (d) icons with no labels
35. 35.♿ A screen has 9 icon buttons. Only 1 of them have a text label for screen readers. How many still need a label?
36. 36.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
    Menu: 17 px
    Label: 22 px
    Caption: 16 px
    Title: 22 px
    Body text: 18 px
37. 37.♿ A screen has 8 icon buttons. Only 5 of them have a text label for screen readers. How many still need a label?
38. 38.♿ A screen has 8 icon buttons. Only 2 of them have a text label for screen readers. How many still need a label?
39. 39.Which of these helps everyone use the app? (a) sudden loud sounds (b) labels on every icon (c) fast-flashing lights (d) colour as the only clue
40. 40.♿ A screen has 7 icon buttons. Only 1 of them have a text label for screen readers. How many still need a label?

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