App Dev Worksheet: Accessibility

App development lesson 13: Accessibility · Set 725 · 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: “captions on videos” makes the app harder to use. (a) False (b) True
2. 2.♿ What does a screen reader do? (a) makes text tiny (b) takes photos (c) plays music (d) reads the screen aloud
3. 3.♿ Why add captions to videos? (a) to add colour (b) to slow them down (c) so anyone can follow (d) to hide the sound
4. 4.♿ A screen has 5 icon buttons. Only 2 of them have a text label for screen readers. How many still need a label?
5. 5.🔍 Which is the odd one out? (a) tiny tap areas (b) text that can grow (c) fast-flashing lights (d) colour as the only clue
6. 6.♿ Does this help everyone, or make the app harder to use: text that can grow? (a) helps everyone (b) makes it harder
7. 7.♿ Showing right or wrong only in red and green is a problem for ___. (a) colour-blind users (b) fast typists (c) the battery (d) the server
8. 8.🔍 Which is the odd one out? (a) text that can grow (b) labels on every icon (c) strong colour contrast (d) colour as the only clue
9. 9.♿ Does this help everyone, or make the app harder to use: captions on videos? (a) helps everyone (b) makes it harder
10. 10.True or false: “captions on videos” helps everyone use the app. (a) True (b) False
11. 11.True or false: “sudden loud sounds” makes the app harder to use. (a) False (b) True
12. 12.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
    Menu: 24 px
    Body text: 14 px
    Label: 18 px
13. 13.True or false: “text that can grow” helps everyone use the app. (a) True (b) False
14. 14.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
    Footer: 19 px
    Body text: 22 px
    Menu: 14 px
    Label: 10 px
15. 15.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
    Hint: 13 px
    Body text: 23 px
    Title: 13 px
16. 16.♿ What should every icon-only button have for screen readers? (a) a bright colour (b) a long animation (c) a sound (d) a text label
17. 17.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Body text: 26 px
    Hint: 11 px
    Label: 25 px
    Title: 28 px
    Footer: 28 px (a) Title (b) Label (c) Body text (d) Hint
18. 18.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Hint: 10 px
    Footer: 17 px
    Caption: 28 px
    Label: 20 px
    Body text: 23 px (a) Caption (b) Label (c) Hint (d) Footer
19. 19.♿ Does this help everyone, or make the app harder to use: sudden loud sounds? (a) makes it harder (b) helps everyone
20. 20.Which of these makes the app harder to use? (a) big touch targets (b) colour as the only clue (c) labels on every icon (d) text that can grow
21. 21.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Label: 21 px
    Title: 9 px
    Footer: 21 px
    Menu: 22 px
    Hint: 28 px (a) Label (b) Footer (c) Menu (d) Title
22. 22.Which of these helps everyone use the app? (a) fast-flashing lights (b) icons with no labels (c) captions on videos (d) tiny tap areas
23. 23.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Body text: 17 px
    Menu: 25 px
    Caption: 12 px (a) Body text (b) Caption (c) Menu
24. 24.♿ A screen has 8 icon buttons. Only 6 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. How many texts on this screen are too small?
    Footer: 19 px
    Caption: 15 px
    Body text: 24 px
    Title: 19 px
26. 26.♿ Does this help everyone, or make the app harder to use: fast-flashing lights? (a) makes it harder (b) helps everyone
27. 27.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Footer: 14 px
    Hint: 22 px
    Title: 25 px (a) Footer (b) Hint (c) Title
28. 28.♿ A screen has 8 icon buttons. Only 2 of them have a text label for screen readers. How many still need a label?
29. 29.♿ Does this help everyone, or make the app harder to use: tiny tap areas? (a) makes it harder (b) helps everyone
30. 30.True or false: “strong colour contrast” helps everyone use the app. (a) False (b) True
31. 31.True or false: “big touch targets” makes the app harder to use. (a) False (b) True
32. 32.Which of these helps everyone use the app? (a) colour as the only clue (b) tiny tap areas (c) big touch targets (d) sudden loud sounds
33. 33.♿ A screen has 9 icon buttons. Only 4 of them have a text label for screen readers. How many still need a label?
34. 34.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Footer: 17 px
    Label: 14 px
    Title: 19 px (a) Footer (b) Title (c) Label
35. 35.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Footer: 22 px
    Hint: 11 px
    Caption: 25 px
    Menu: 23 px (a) Caption (b) Menu (c) Footer (d) Hint
36. 36.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
    Label: 20 px
    Hint: 23 px
    Title: 17 px
    Body text: 15 px
    Footer: 10 px
37. 37.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
    Caption: 15 px
    Hint: 19 px
    Body text: 16 px
    Footer: 19 px
38. 38.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
    Caption: 19 px
    Menu: 22 px
    Footer: 14 px
    Hint: 10 px
    Title: 14 px
39. 39.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Label: 14 px
    Caption: 23 px
    Body text: 19 px
    Title: 19 px
    Menu: 18 px (a) Caption (b) Title (c) Body text (d) Label
40. 40.♿ Does this help everyone, or make the app harder to use: big touch targets? (a) helps everyone (b) makes it harder

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