App Dev Worksheet: Accessibility

App development lesson 13: Accessibility · Set 304 · 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.Which of these makes the app harder to use? (a) big touch targets (b) strong colour contrast (c) captions on videos (d) colour as the only clue
2. 2.♿ Does this help everyone, or make the app harder to use: labels on every icon? (a) makes it harder (b) helps everyone
3. 3.♿ Why add captions to videos? (a) to slow them down (b) to add colour (c) to hide the sound (d) so anyone can follow
4. 4.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
   Title: 11 px
   Hint: 15 px
   Body text: 10 px
5. 5.Which of these helps everyone use the app? (a) tiny tap areas (b) text that can grow (c) sudden loud sounds (d) colour as the only clue
6. 6.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
   Label: 11 px
   Footer: 20 px
   Hint: 16 px
   Body text: 13 px
7. 7.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
   Caption: 18 px
   Title: 19 px
   Menu: 22 px
   Body text: 12 px (a) Menu (b) Body text (c) Caption (d) Title
8. 8.♿ What should every icon-only button have for screen readers? (a) a bright colour (b) a sound (c) a long animation (d) a text label
9. 9.True or false: “captions on videos” makes the app harder to use. (a) False (b) True
10. 10.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Label: 14 px
    Menu: 28 px
    Hint: 19 px
    Footer: 19 px
    Caption: 22 px (a) Footer (b) Menu (c) Hint (d) Label
11. 11.True or false: “strong colour contrast” makes the app harder to use. (a) False (b) True
12. 12.♿ A screen has 11 icon buttons. Only 10 of them have a text label for screen readers. How many still need a label?
13. 13.♿ Does this help everyone, or make the app harder to use: captions on videos? (a) helps everyone (b) makes it harder
14. 14.♿ A screen has 7 icon buttons. Only 3 of them have a text label for screen readers. How many still need a label?
15. 15.♿ A screen has 8 icon buttons. Only 5 of them have a text label for screen readers. How many still need a label?
16. 16.♿ Does this help everyone, or make the app harder to use: colour as the only clue? (a) helps everyone (b) makes it harder
17. 17.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
    Label: 20 px
    Menu: 19 px
    Body text: 16 px
    Caption: 24 px
    Title: 20 px
18. 18.♿ A screen has 7 icon buttons. Only 6 of them have a text label for screen readers. How many still need a label?
19. 19.True or false: “text that can grow” makes the app harder to use. (a) False (b) True
20. 20.True or false: “fast-flashing lights” helps everyone use the app. (a) False (b) True
21. 21.True or false: “icons with no labels” helps everyone use the app. (a) True (b) False
22. 22.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
    Caption: 23 px
    Hint: 19 px
    Title: 13 px
23. 23.♿ Does this help everyone, or make the app harder to use: icons with no labels? (a) helps everyone (b) makes it harder
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.True or false: “colour as the only clue” helps everyone use the app. (a) True (b) False
26. 26.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Body text: 23 px
    Menu: 16 px
    Title: 24 px
    Footer: 9 px (a) Title (b) Menu (c) Body text (d) Footer
27. 27.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Body text: 19 px
    Menu: 14 px
    Title: 22 px
    Caption: 23 px
    Footer: 27 px (a) Caption (b) Title (c) Menu (d) Body text
28. 28.Which of these makes the app harder to use? (a) labels on every icon (b) big touch targets (c) icons with no labels (d) captions on videos
29. 29.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Footer: 28 px
    Menu: 13 px
    Label: 20 px (a) Footer (b) Label (c) Menu
30. 30.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Hint: 18 px
    Footer: 18 px
    Menu: 19 px
    Body text: 9 px
    Caption: 23 px (a) Menu (b) Hint (c) Footer (d) Body text
31. 31.🔍 Which is the odd one out? (a) text that can grow (b) tiny tap areas (c) icons with no labels (d) colour as the only clue
32. 32.♿ A screen has 6 icon buttons. Only 4 of them have a text label for screen readers. How many still need a label?
33. 33.♿ What does a screen reader do? (a) takes photos (b) reads the screen aloud (c) makes text tiny (d) plays music
34. 34.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
    Title: 11 px
    Menu: 10 px
    Body text: 20 px
    Label: 24 px
35. 35.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Label: 10 px
    Title: 22 px
    Body text: 17 px
    Caption: 21 px (a) Label (b) Title (c) Caption (d) Body text
36. 36.♿ A screen has 6 icon buttons. Only 3 of them have a text label for screen readers. How many still need a label?
37. 37.Which of these helps everyone use the app? (a) colour as the only clue (b) tiny tap areas (c) sudden loud sounds (d) big touch targets
38. 38.Which of these helps everyone use the app? (a) colour as the only clue (b) icons with no labels (c) tiny tap areas (d) strong colour contrast
39. 39.Which of these makes the app harder to use? (a) text that can grow (b) fast-flashing lights (c) big touch targets (d) labels on every icon
40. 40.♿ Showing right or wrong only in red and green is a problem for ___. (a) fast typists (b) the server (c) colour-blind users (d) the battery

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