App Dev Worksheet: Accessibility

App development lesson 13: Accessibility · Set 846 · 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. How many texts on this screen are too small?
   Hint: 16 px
   Body text: 10 px
   Title: 19 px
   Menu: 15 px
2. 2.🔍 Which is the odd one out? (a) sudden loud sounds (b) big touch targets (c) text that can grow (d) captions on videos
3. 3.♿ Does this help everyone, or make the app harder to use: labels on every icon? (a) helps everyone (b) makes it harder
4. 4.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
   Title: 10 px
   Menu: 26 px
   Body text: 18 px
   Caption: 22 px (a) Body text (b) Caption (c) Title (d) Menu
5. 5.True or false: “icons with no labels” helps everyone use the app. (a) False (b) True
6. 6.♿ Accessibility means an app works for ___. (a) only experts (b) everyone (c) only the coder (d) nobody
7. 7.Which of these makes the app harder to use? (a) text that can grow (b) colour as the only clue (c) captions on videos (d) labels on every icon
8. 8.♿ Does this help everyone, or make the app harder to use: captions on videos? (a) makes it harder (b) helps everyone
9. 9.♿ Does this help everyone, or make the app harder to use: sudden loud sounds? (a) helps everyone (b) makes it harder
10. 10.🔍 Which is the odd one out? (a) icons with no labels (b) captions on videos (c) labels on every icon (d) text that can grow
11. 11.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Footer: 12 px
    Caption: 24 px
    Menu: 26 px (a) Caption (b) Footer (c) Menu
12. 12.♿ Does this help everyone, or make the app harder to use: strong colour contrast? (a) helps everyone (b) makes it harder
13. 13.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Label: 17 px
    Menu: 22 px
    Caption: 22 px
    Title: 9 px (a) Label (b) Menu (c) Caption (d) Title
14. 14.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Label: 14 px
    Menu: 16 px
    Caption: 16 px
    Footer: 20 px (a) Menu (b) Label (c) Footer (d) Caption
15. 15.♿ What should every icon-only button have for screen readers? (a) a sound (b) a long animation (c) a bright colour (d) a text label
16. 16.True or false: “labels on every icon” makes the app harder to use. (a) False (b) True
17. 17.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
    Caption: 16 px
    Label: 13 px
    Menu: 17 px
18. 18.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
    Menu: 19 px
    Label: 14 px
    Title: 13 px
19. 19.🔍 Which is the odd one out? (a) strong colour contrast (b) icons with no labels (c) tiny tap areas (d) fast-flashing lights
20. 20.♿ Why add captions to videos? (a) so anyone can follow (b) to add colour (c) to slow them down (d) to hide the sound
21. 21.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
    Hint: 18 px
    Title: 15 px
    Menu: 16 px
    Body text: 21 px
22. 22.♿ A screen has 10 icon buttons. Only 4 of them have a text label for screen readers. How many still need a label?
23. 23.♿ Does this help everyone, or make the app harder to use: fast-flashing lights? (a) helps everyone (b) makes it harder
24. 24.♿ Showing right or wrong only in red and green is a problem for ___. (a) the server (b) colour-blind users (c) fast typists (d) the battery
25. 25.True or false: “captions on videos” 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: 11 px
    Menu: 19 px
    Title: 27 px (a) Body text (b) Menu (c) Title
27. 27.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Body text: 16 px
    Caption: 11 px
    Menu: 18 px
    Footer: 25 px (a) Footer (b) Menu (c) Body text (d) Caption
28. 28.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
    Body text: 12 px
    Label: 22 px
    Hint: 19 px
    Title: 23 px
    Footer: 20 px
29. 29.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Body text: 16 px
    Caption: 26 px
    Hint: 22 px
    Footer: 9 px (a) Footer (b) Body text (c) Caption (d) Hint
30. 30.♿ A screen has 6 icon buttons. Only 3 of them have a text label for screen readers. How many still need a label?
31. 31.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Footer: 14 px
    Hint: 25 px
    Caption: 16 px (a) Caption (b) Hint (c) Footer
32. 32.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Caption: 11 px
    Menu: 21 px
    Hint: 24 px (a) Caption (b) Menu (c) Hint
33. 33.♿ What does a screen reader do? (a) takes photos (b) plays music (c) reads the screen aloud (d) makes text tiny
34. 34.True or false: “fast-flashing lights” helps everyone use the app. (a) False (b) True
35. 35.True or false: “big touch targets” helps everyone use the app. (a) True (b) False
36. 36.True or false: “icons with no labels” makes the app harder to use. (a) False (b) True
37. 37.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Menu: 18 px
    Label: 25 px
    Body text: 9 px
    Title: 24 px
    Hint: 16 px (a) Menu (b) Body text (c) Label (d) Title
38. 38.♿ A screen has 12 icon buttons. Only 8 of them have a text label for screen readers. How many still need a label?
39. 39.Which of these helps everyone use the app? (a) sudden loud sounds (b) fast-flashing lights (c) icons with no labels (d) big touch targets
40. 40.Which of these helps everyone use the app? (a) tiny tap areas (b) icons with no labels (c) text that can grow (d) colour as the only clue

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