App Dev Worksheet: Accessibility

App development lesson 13: Accessibility · Set 562 · 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?
   Hint: 27 px
   Title: 11 px
   Menu: 27 px
   Body text: 26 px
   Label: 25 px (a) Title (b) Menu (c) Body text (d) Hint
2. 2.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
   Title: 26 px
   Menu: 22 px
   Body text: 14 px
   Caption: 20 px
   Hint: 21 px (a) Title (b) Caption (c) Menu (d) Body text
3. 3.True or false: “colour as the only clue” helps everyone use the app. (a) False (b) True
4. 4.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
   Caption: 19 px
   Body text: 17 px
   Title: 11 px
5. 5.♿ What does a screen reader do? (a) plays music (b) takes photos (c) makes text tiny (d) reads the screen aloud
6. 6.♿ A screen has 7 icon buttons. Only 2 of them have a text label for screen readers. How many still need a label?
7. 7.♿ A screen has 11 icon buttons. Only 10 of them have a text label for screen readers. How many still need a label?
8. 8.♿ Accessibility means an app works for ___. (a) only the coder (b) only experts (c) everyone (d) nobody
9. 9.♿ A screen has 5 icon buttons. Only 2 of them have a text label for screen readers. How many still need a label?
10. 10.♿ Does this help everyone, or make the app harder to use: sudden loud sounds? (a) helps everyone (b) makes it harder
11. 11.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Body text: 18 px
    Title: 28 px
    Caption: 12 px (a) Title (b) Caption (c) Body text
12. 12.♿ Does this help everyone, or make the app harder to use: colour as the only clue? (a) makes it harder (b) helps everyone
13. 13.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
    Title: 10 px
    Menu: 13 px
    Body text: 14 px
14. 14.🔍 Which is the odd one out? (a) text that can grow (b) labels on every icon (c) big touch targets (d) tiny tap areas
15. 15.♿ A screen has 10 icon buttons. Only 7 of them have a text label for screen readers. How many still need a label?
16. 16.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
    Body text: 10 px
    Caption: 18 px
    Menu: 23 px
17. 17.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
    Menu: 19 px
    Title: 16 px
    Label: 22 px
18. 18.♿ Showing right or wrong only in red and green is a problem for ___. (a) fast typists (b) colour-blind users (c) the server (d) the battery
19. 19.Which of these makes the app harder to use? (a) strong colour contrast (b) captions on videos (c) icons with no labels (d) big touch targets
20. 20.♿ Does this help everyone, or make the app harder to use: captions on videos? (a) makes it harder (b) helps everyone
21. 21.♿ Does this help everyone, or make the app harder to use: icons with no labels? (a) helps everyone (b) makes it harder
22. 22.♿ A screen has 11 icon buttons. Only 2 of them have a text label for screen readers. How many still need a label?
23. 23.Which of these helps everyone use the app? (a) fast-flashing lights (b) icons with no labels (c) tiny tap areas (d) captions on videos
24. 24.♿ Does this help everyone, or make the app harder to use: labels on every icon? (a) makes it harder (b) helps everyone
25. 25.♿ A screen has 11 icon buttons. Only 6 of them have a text label for screen readers. How many still need a label?
26. 26.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
    Body text: 19 px
    Hint: 12 px
    Footer: 20 px
27. 27.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
    Label: 23 px
    Body text: 20 px
    Caption: 22 px
28. 28.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
    Caption: 10 px
    Title: 23 px
    Label: 12 px
29. 29.♿ A screen has 12 icon buttons. Only 3 of them have a text label for screen readers. How many still need a label?
30. 30.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Body text: 16 px
    Menu: 12 px
    Caption: 19 px (a) Body text (b) Menu (c) Caption
31. 31.🔍 Which is the odd one out? (a) colour as the only clue (b) fast-flashing lights (c) big touch targets (d) icons with no labels
32. 32.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
    Menu: 18 px
    Footer: 22 px
    Label: 15 px
33. 33.♿ Why add captions to videos? (a) to hide the sound (b) to slow them down (c) to add colour (d) so anyone can follow
34. 34.True or false: “strong colour contrast” makes the app harder to use. (a) False (b) True
35. 35.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
    Title: 19 px
    Footer: 12 px
    Body text: 13 px
    Hint: 21 px
    Caption: 23 px
36. 36.♿ A screen has 10 icon buttons. Only 1 of them have a text label for screen readers. How many still need a label?
37. 37.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Menu: 16 px
    Title: 14 px
    Caption: 19 px
    Hint: 22 px (a) Menu (b) Title (c) Caption (d) Hint
38. 38.♿ What should every icon-only button have for screen readers? (a) a long animation (b) a bright colour (c) a text label (d) a sound
39. 39.♿ A screen has 7 icon buttons. Only 1 of them have a text label for screen readers. How many still need a label?
40. 40.True or false: “tiny tap areas” makes the app harder to use. (a) False (b) True

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