App Dev Worksheet: Accessibility

App development lesson 13: Accessibility · Set 722 · 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 helps everyone use the app? (a) sudden loud sounds (b) strong colour contrast (c) colour as the only clue (d) fast-flashing lights
2. 2.True or false: “captions on videos” helps everyone use the app. (a) True (b) False
3. 3.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
   Caption: 16 px
   Title: 20 px
   Menu: 28 px
   Footer: 10 px
   Body text: 25 px (a) Footer (b) Title (c) Caption (d) Menu
4. 4.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
   Hint: 24 px
   Menu: 16 px
   Caption: 26 px
   Title: 28 px
   Body text: 9 px (a) Menu (b) Body text (c) Caption (d) Hint
5. 5.♿ A screen has 6 icon buttons. Only 4 of them have a text label for screen readers. How many still need a label?
6. 6.♿ A screen has 11 icon buttons. Only 10 of them have a text label for screen readers. How many still need a label?
7. 7.🔍 Which is the odd one out? (a) icons with no labels (b) labels on every icon (c) sudden loud sounds (d) colour as the only clue
8. 8.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
   Label: 11 px
   Hint: 11 px
   Caption: 18 px
9. 9.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
   Caption: 23 px
   Footer: 24 px
   Label: 24 px
   Title: 22 px
   Hint: 13 px (a) Footer (b) Caption (c) Label (d) Hint
10. 10.True or false: “text that can grow” makes the app harder to use. (a) False (b) True
11. 11.♿ A screen has 8 icon buttons. Only 6 of them have a text label for screen readers. How many still need a label?
12. 12.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
    Menu: 18 px
    Label: 24 px
    Hint: 11 px
13. 13.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
    Body text: 10 px
    Footer: 22 px
    Caption: 10 px
    Label: 24 px
    Menu: 16 px
14. 14.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
    Title: 22 px
    Menu: 23 px
    Footer: 14 px
    Body text: 17 px
    Hint: 18 px
15. 15.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Caption: 14 px
    Title: 21 px
    Body text: 22 px
    Menu: 28 px (a) Caption (b) Menu (c) Body text (d) Title
16. 16.🔍 Which is the odd one out? (a) text that can grow (b) captions on videos (c) strong colour contrast (d) sudden loud sounds
17. 17.♿ Does this help everyone, or make the app harder to use: strong colour contrast? (a) helps everyone (b) makes it harder
18. 18.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
    Body text: 14 px
    Title: 19 px
    Caption: 16 px
19. 19.Which of these makes the app harder to use? (a) text that can grow (b) big touch targets (c) icons with no labels (d) captions on videos
20. 20.♿ Does this help everyone, or make the app harder to use: text that can grow? (a) makes it harder (b) helps everyone
21. 21.Which of these helps everyone use the app? (a) labels on every icon (b) icons with no labels (c) colour as the only clue (d) tiny tap areas
22. 22.True or false: “icons with no labels” helps everyone use the app. (a) False (b) True
23. 23.True or false: “captions on videos” makes the app harder to use. (a) False (b) True
24. 24.Which of these makes the app harder to use? (a) labels on every icon (b) tiny tap areas (c) text that can grow (d) strong colour contrast
25. 25.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Title: 23 px
    Hint: 21 px
    Menu: 11 px
    Footer: 21 px (a) Footer (b) Hint (c) Title (d) Menu
26. 26.♿ Showing right or wrong only in red and green is a problem for ___. (a) the server (b) the battery (c) fast typists (d) colour-blind users
27. 27.♿ Does this help everyone, or make the app harder to use: big touch targets? (a) helps everyone (b) makes it harder
28. 28.♿ A screen has 10 icon buttons. Only 1 of them have a text label for screen readers. How many still need a label?
29. 29.True or false: “text that can grow” helps everyone use the app. (a) False (b) True
30. 30.♿ What should every icon-only button have for screen readers? (a) a sound (b) a bright colour (c) a long animation (d) a text label
31. 31.True or false: “colour as the only clue” helps everyone use the app. (a) True (b) False
32. 32.♿ What does a screen reader do? (a) reads the screen aloud (b) takes photos (c) plays music (d) makes text tiny
33. 33.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
    Label: 15 px
    Caption: 11 px
    Menu: 14 px
    Body text: 15 px
    Footer: 21 px
34. 34.Which of these makes the app harder to use? (a) fast-flashing lights (b) big touch targets (c) captions on videos (d) strong colour contrast
35. 35.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Body text: 11 px
    Footer: 19 px
    Hint: 27 px
    Label: 25 px (a) Label (b) Body text (c) Footer (d) Hint
36. 36.♿ Does this help everyone, or make the app harder to use: sudden loud sounds? (a) helps everyone (b) makes it harder
37. 37.♿ A screen has 8 icon buttons. Only 1 of them have a text label for screen readers. How many still need a label?
38. 38.♿ A screen has 5 icon buttons. Only 4 of them have a text label for screen readers. How many still need a label?
39. 39.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Title: 27 px
    Hint: 26 px
    Caption: 9 px (a) Caption (b) Hint (c) Title
40. 40.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Hint: 24 px
    Body text: 11 px
    Title: 22 px (a) Hint (b) Body text (c) Title

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