App Dev Worksheet: Accessibility

App development lesson 13: Accessibility · Set 197 · 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?
   Label: 17 px
   Title: 19 px
   Menu: 17 px
   Hint: 27 px
   Footer: 10 px (a) Title (b) Footer (c) Menu (d) Label
2. 2.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
   Body text: 28 px
   Menu: 21 px
   Hint: 12 px
   Footer: 20 px
   Label: 19 px (a) Menu (b) Body text (c) Footer (d) Hint
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.🔍 Which is the odd one out? (a) big touch targets (b) captions on videos (c) text that can grow (d) fast-flashing lights
5. 5.Which of these helps everyone use the app? (a) fast-flashing lights (b) tiny tap areas (c) icons with no labels (d) text that can grow
6. 6.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
   Label: 27 px
   Body text: 17 px
   Hint: 11 px
   Menu: 28 px
   Title: 28 px (a) Body text (b) Label (c) Menu (d) Hint
7. 7.♿ What should every icon-only button have for screen readers? (a) a bright colour (b) a long animation (c) a sound (d) a text label
8. 8.Which of these makes the app harder to use? (a) text that can grow (b) tiny tap areas (c) strong colour contrast (d) labels on every icon
9. 9.Which of these helps everyone use the app? (a) tiny tap areas (b) colour as the only clue (c) sudden loud sounds (d) strong colour contrast
10. 10.♿ A screen has 5 icon buttons. Only 3 of them have a text label for screen readers. How many still need a label?
11. 11.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
    Body text: 16 px
    Caption: 22 px
    Menu: 15 px
12. 12.🔍 Which is the odd one out? (a) big touch targets (b) labels on every icon (c) text that can grow (d) tiny tap areas
13. 13.♿ Does this help everyone, or make the app harder to use: text that can grow? (a) helps everyone (b) makes it harder
14. 14.🔍 Which is the odd one out? (a) icons with no labels (b) big touch targets (c) strong colour contrast (d) text that can grow
15. 15.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Menu: 11 px
    Label: 25 px
    Footer: 19 px (a) Label (b) Footer (c) Menu
16. 16.🔍 Which is the odd one out? (a) tiny tap areas (b) colour as the only clue (c) sudden loud sounds (d) text that can grow
17. 17.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
    Hint: 12 px
    Body text: 18 px
    Title: 21 px
    Caption: 15 px
18. 18.🔍 Which is the odd one out? (a) big touch targets (b) colour as the only clue (c) text that can grow (d) labels on every icon
19. 19.♿ What does a screen reader do? (a) plays music (b) takes photos (c) reads the screen aloud (d) makes text tiny
20. 20.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
    Footer: 20 px
    Title: 12 px
    Label: 24 px
    Caption: 15 px
21. 21.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Label: 10 px
    Footer: 20 px
    Caption: 25 px
    Menu: 22 px (a) Label (b) Menu (c) Caption (d) Footer
22. 22.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
    Caption: 13 px
    Body text: 15 px
    Hint: 18 px
    Footer: 19 px
23. 23.♿ Does this help everyone, or make the app harder to use: captions on videos? (a) makes it harder (b) helps everyone
24. 24.Which of these helps everyone use the app? (a) tiny tap areas (b) big touch targets (c) colour as the only clue (d) fast-flashing lights
25. 25.True or false: “icons with no labels” helps everyone use the app. (a) False (b) True
26. 26.♿ Accessibility means an app works for ___. (a) nobody (b) only the coder (c) everyone (d) only experts
27. 27.True or false: “fast-flashing lights” makes the app harder to use. (a) True (b) False
28. 28.♿ 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
29. 29.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Hint: 24 px
    Footer: 10 px
    Title: 22 px
    Label: 24 px (a) Footer (b) Title (c) Hint (d) Label
30. 30.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
    Footer: 13 px
    Body text: 15 px
    Hint: 22 px
31. 31.True or false: “labels on every icon” helps everyone use the app. (a) False (b) True
32. 32.True or false: “labels on every icon” makes the app harder to use. (a) True (b) False
33. 33.♿ A screen has 8 icon buttons. Only 3 of them have a text label for screen readers. How many still need a label?
34. 34.🔍 Which is the odd one out? (a) big touch targets (b) colour as the only clue (c) tiny tap areas (d) sudden loud sounds
35. 35.True or false: “fast-flashing lights” helps everyone use the app. (a) False (b) True
36. 36.True or false: “tiny tap areas” helps everyone use the app. (a) True (b) False
37. 37.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Hint: 10 px
    Body text: 23 px
    Title: 18 px
    Footer: 20 px (a) Body text (b) Title (c) Hint (d) Footer
38. 38.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
    Body text: 18 px
    Title: 17 px
    Hint: 14 px
39. 39.True or false: “tiny tap areas” makes the app harder to use. (a) True (b) False
40. 40.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
    Menu: 15 px
    Title: 20 px
    Label: 24 px
    Body text: 14 px

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