App Dev Worksheet: Accessibility

App development lesson 13: Accessibility · Set 732 · 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.True or false: “text that can grow” helps everyone use the app. (a) False (b) True
2. 2.True or false: “tiny tap areas” makes the app harder to use. (a) False (b) True
3. 3.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
   Body text: 12 px
   Menu: 11 px
   Footer: 19 px
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?
   Menu: 24 px
   Footer: 16 px
   Hint: 13 px
   Caption: 25 px (a) Footer (b) Caption (c) Menu (d) Hint
6. 6.Which of these helps everyone use the app? (a) text that can grow (b) icons with no labels (c) fast-flashing lights (d) colour as the only clue
7. 7.♿ Does this help everyone, or make the app harder to use: colour as the only clue? (a) makes it harder (b) helps everyone
8. 8.♿ Showing right or wrong only in red and green is a problem for ___. (a) fast typists (b) the server (c) the battery (d) colour-blind users
9. 9.True or false: “captions on videos” makes the app harder to use. (a) False (b) True
10. 10.Which of these makes the app harder to use? (a) tiny tap areas (b) strong colour contrast (c) big touch targets (d) text that can grow
11. 11.🔍 Which is the odd one out? (a) colour as the only clue (b) strong colour contrast (c) captions on videos (d) big touch targets
12. 12.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
    Footer: 20 px
    Hint: 16 px
    Body text: 18 px
13. 13.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
    Body text: 19 px
    Title: 19 px
    Caption: 10 px
14. 14.🔍 Which is the odd one out? (a) strong colour contrast (b) sudden loud sounds (c) colour as the only clue (d) tiny tap areas
15. 15.Which of these makes the app harder to use? (a) strong colour contrast (b) big touch targets (c) text that can grow (d) colour as the only clue
16. 16.♿ A screen has 12 icon buttons. Only 2 of them have a text label for screen readers. How many still need a label?
17. 17.♿ Does this help everyone, or make the app harder to use: text that can grow? (a) makes it harder (b) helps everyone
18. 18.♿ 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
19. 19.♿ Accessibility means an app works for ___. (a) only the coder (b) everyone (c) only experts (d) nobody
20. 20.♿ A screen has 6 icon buttons. Only 2 of them have a text label for screen readers. How many still need a label?
21. 21.🔍 Which is the odd one out? (a) sudden loud sounds (b) icons with no labels (c) fast-flashing lights (d) labels on every icon
22. 22.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Menu: 21 px
    Body text: 10 px
    Footer: 23 px (a) Body text (b) Menu (c) Footer
23. 23.♿ Why add captions to videos? (a) to add colour (b) so anyone can follow (c) to slow them down (d) to hide the sound
24. 24.♿ A screen has 11 icon buttons. Only 4 of them have a text label for screen readers. How many still need a label?
25. 25.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Body text: 16 px
    Footer: 9 px
    Caption: 16 px (a) Footer (b) Caption (c) Body text
26. 26.True or false: “colour as the only clue” helps everyone use the app. (a) False (b) True
27. 27.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Menu: 11 px
    Label: 16 px
    Footer: 25 px
    Body text: 27 px (a) Menu (b) Body text (c) Footer (d) Label
28. 28.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
    Hint: 11 px
    Title: 20 px
    Menu: 13 px
    Body text: 24 px
29. 29.True or false: “big touch targets” makes the app harder to use. (a) True (b) False
30. 30.Which of these helps everyone use the app? (a) icons with no labels (b) strong colour contrast (c) tiny tap areas (d) sudden loud sounds
31. 31.♿ A screen has 9 icon buttons. Only 5 of them have a text label for screen readers. How many still need a label?
32. 32.🔍 Which is the odd one out? (a) strong colour contrast (b) icons with no labels (c) text that can grow (d) big touch targets
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.♿ A screen has 6 icon buttons. Only 5 of them have a text label for screen readers. How many still need a label?
35. 35.True or false: “big touch targets” helps everyone use the app. (a) False (b) True
36. 36.♿ A screen has 8 icon buttons. Only 1 of them have a text label for screen readers. How many still need a label?
37. 37.♿ A screen has 8 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?
    Caption: 10 px
    Menu: 17 px
    Footer: 25 px (a) Menu (b) Footer (c) Caption
39. 39.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
40. 40.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Body text: 22 px
    Title: 27 px
    Hint: 14 px
    Label: 19 px (a) Hint (b) Title (c) Label (d) Body text

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