App Dev Worksheet: Accessibility

App development lesson 13: Accessibility · Set 192 · 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.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
   Menu: 16 px
   Title: 14 px
   Hint: 22 px (a) Title (b) Hint (c) Menu
2. 2.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
   Body text: 10 px
   Hint: 18 px
   Label: 12 px
   Footer: 14 px
3. 3.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
   Title: 13 px
   Menu: 28 px
   Caption: 24 px
   Body text: 28 px (a) Menu (b) Body text (c) Title (d) Caption
4. 4.Which of these helps everyone use the app? (a) icons with no labels (b) captions on videos (c) tiny tap areas (d) colour as the only clue
5. 5.♿ What does a screen reader do? (a) takes photos (b) plays music (c) reads the screen aloud (d) makes text tiny
6. 6.🔍 Which is the odd one out? (a) strong colour contrast (b) labels on every icon (c) fast-flashing lights (d) text that can grow
7. 7.♿ Does this help everyone, or make the app harder to use: fast-flashing lights? (a) helps everyone (b) makes it harder
8. 8.♿ A screen has 8 icon buttons. Only 7 of them have a text label for screen readers. How many still need a label?
9. 9.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
   Title: 16 px
   Label: 11 px
   Caption: 11 px
   Body text: 22 px
10. 10.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Body text: 10 px
    Hint: 17 px
    Caption: 16 px
    Footer: 26 px (a) Footer (b) Caption (c) Hint (d) Body text
11. 11.♿ Does this help everyone, or make the app harder to use: icons with no labels? (a) helps everyone (b) makes it harder
12. 12.Which of these makes the app harder to use? (a) strong colour contrast (b) text that can grow (c) tiny tap areas (d) big touch targets
13. 13.♿ A screen has 9 icon buttons. Only 7 of them have a text label for screen readers. How many still need a label?
14. 14.♿ A screen has 10 icon buttons. Only 2 of them have a text label for screen readers. How many still need a label?
15. 15.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
    Menu: 16 px
    Caption: 17 px
    Label: 17 px
    Hint: 17 px
    Body text: 22 px
16. 16.True or false: “text that can grow” helps everyone use the app. (a) True (b) False
17. 17.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Hint: 14 px
    Body text: 20 px
    Caption: 18 px (a) Hint (b) Caption (c) Body text
18. 18.True or false: “fast-flashing lights” makes the app harder to use. (a) False (b) True
19. 19.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Label: 13 px
    Hint: 16 px
    Body text: 19 px
    Title: 24 px (a) Label (b) Hint (c) Title (d) Body text
20. 20.♿ Showing right or wrong only in red and green is a problem for ___. (a) the battery (b) fast typists (c) the server (d) colour-blind users
21. 21.♿ Accessibility means an app works for ___. (a) nobody (b) only experts (c) only the coder (d) everyone
22. 22.Which of these makes the app harder to use? (a) icons with no labels (b) text that can grow (c) labels on every icon (d) captions on videos
23. 23.True or false: “icons with no labels” makes the app harder to use. (a) False (b) True
24. 24.♿ A screen has 9 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?
    Hint: 21 px
    Menu: 12 px
    Footer: 16 px
    Label: 20 px
    Title: 18 px (a) Footer (b) Menu (c) Label (d) Hint
26. 26.♿ 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
27. 27.True or false: “colour as the only clue” helps everyone use the app. (a) True (b) False
28. 28.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
    Caption: 11 px
    Title: 24 px
    Footer: 14 px
    Label: 21 px
    Body text: 20 px
29. 29.♿ Does this help everyone, or make the app harder to use: big touch targets? (a) makes it harder (b) helps everyone
30. 30.True or false: “icons with no labels” helps everyone use the app. (a) False (b) True
31. 31.Which of these makes the app harder to use? (a) labels on every icon (b) strong colour contrast (c) colour as the only clue (d) big touch targets
32. 32.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
    Title: 10 px
    Caption: 21 px
    Body text: 24 px
33. 33.♿ A screen has 7 icon buttons. Only 5 of them have a text label for screen readers. How many still need a label?
34. 34.♿ Why add captions to videos? (a) to add colour (b) to hide the sound (c) to slow them down (d) so anyone can follow
35. 35.Which of these helps everyone use the app? (a) tiny tap areas (b) text that can grow (c) colour as the only clue (d) icons with no labels
36. 36.Which of these helps everyone use the app? (a) fast-flashing lights (b) labels on every icon (c) colour as the only clue (d) tiny tap areas
37. 37.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Hint: 19 px
    Body text: 16 px
    Menu: 13 px (a) Menu (b) Body text (c) Hint
38. 38.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
    Caption: 21 px
    Menu: 11 px
    Label: 20 px
39. 39.🔍 Which is the odd one out? (a) icons with no labels (b) fast-flashing lights (c) tiny tap areas (d) big touch targets
40. 40.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Title: 28 px
    Footer: 20 px
    Caption: 14 px (a) Title (b) Footer (c) Caption

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