App Dev Worksheet: Accessibility

App development lesson 13: Accessibility · Set 452 · 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?
   Menu: 12 px
   Hint: 10 px
   Footer: 15 px
2. 2.♿ Why add captions to videos? (a) to hide the sound (b) to slow them down (c) to add colour (d) so anyone can follow
3. 3.🔍 Which is the odd one out? (a) big touch targets (b) strong colour contrast (c) text that can grow (d) fast-flashing lights
4. 4.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
   Title: 23 px
   Label: 11 px
   Footer: 21 px
   Hint: 18 px
   Menu: 10 px
5. 5.True or false: “strong colour contrast” makes the app harder to use. (a) False (b) True
6. 6.🔍 Which is the odd one out? (a) labels on every icon (b) colour as the only clue (c) tiny tap areas (d) sudden loud sounds
7. 7.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
   Title: 28 px
   Menu: 19 px
   Body text: 14 px
   Caption: 21 px (a) Menu (b) Caption (c) Title (d) Body text
8. 8.True or false: “tiny tap areas” helps everyone use the app. (a) True (b) False
9. 9.♿ A screen has 12 icon buttons. Only 6 of them have a text label for screen readers. How many still need a label?
10. 10.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
    Caption: 18 px
    Title: 19 px
    Menu: 16 px
    Hint: 13 px
    Body text: 21 px
11. 11.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
    Label: 21 px
    Footer: 16 px
    Hint: 15 px
    Caption: 24 px
    Title: 22 px
12. 12.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Menu: 19 px
    Body text: 12 px
    Label: 18 px (a) Menu (b) Label (c) Body text
13. 13.♿ Does this help everyone, or make the app harder to use: tiny tap areas? (a) helps everyone (b) makes it harder
14. 14.🔍 Which is the odd one out? (a) strong colour contrast (b) colour as the only clue (c) captions on videos (d) labels on every icon
15. 15.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
    Footer: 17 px
    Label: 13 px
    Hint: 13 px
    Title: 17 px
    Menu: 20 px
16. 16.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Label: 22 px
    Title: 9 px
    Footer: 16 px (a) Footer (b) Title (c) Label
17. 17.♿ Does this help everyone, or make the app harder to use: text that can grow? (a) makes it harder (b) helps everyone
18. 18.True or false: “colour as the only clue” makes the app harder to use. (a) False (b) True
19. 19.♿ Does this help everyone, or make the app harder to use: captions on videos? (a) makes it harder (b) helps everyone
20. 20.Which of these helps everyone use the app? (a) big touch targets (b) tiny tap areas (c) colour as the only clue (d) fast-flashing lights
21. 21.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Body text: 23 px
    Label: 13 px
    Title: 18 px
    Hint: 27 px (a) Title (b) Body text (c) Hint (d) Label
22. 22.True or false: “icons with no labels” makes the app harder to use. (a) False (b) True
23. 23.♿ Accessibility means an app works for ___. (a) only the coder (b) everyone (c) nobody (d) only experts
24. 24.♿ A screen has 10 icon buttons. Only 8 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. How many texts on this screen are too small?
    Title: 14 px
    Body text: 23 px
    Hint: 14 px
    Label: 20 px
    Footer: 21 px
26. 26.True or false: “text that can grow” helps everyone use the app. (a) False (b) True
27. 27.True or false: “big touch targets” helps everyone use the app. (a) False (b) True
28. 28.True or false: “fast-flashing lights” helps everyone use the app. (a) False (b) True
29. 29.True or false: “labels on every icon” makes the app harder to use. (a) True (b) False
30. 30.🔍 Which is the odd one out? (a) labels on every icon (b) text that can grow (c) big touch targets (d) tiny tap areas
31. 31.♿ Does this help everyone, or make the app harder to use: strong colour contrast? (a) helps everyone (b) makes it harder
32. 32.♿ A screen has 6 icon buttons. Only 2 of them have a text label for screen readers. How many still need a label?
33. 33.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Label: 11 px
    Caption: 28 px
    Title: 23 px
    Menu: 22 px (a) Label (b) Title (c) Caption (d) Menu
34. 34.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Menu: 23 px
    Title: 23 px
    Footer: 23 px
    Caption: 11 px
    Label: 25 px (a) Title (b) Menu (c) Caption (d) Footer
35. 35.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Menu: 14 px
    Hint: 20 px
    Footer: 16 px
    Title: 17 px
    Label: 24 px (a) Title (b) Footer (c) Menu (d) Hint
36. 36.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Footer: 26 px
    Body text: 16 px
    Label: 9 px
    Caption: 28 px
    Menu: 23 px (a) Caption (b) Body text (c) Footer (d) Label
37. 37.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
    Menu: 11 px
    Caption: 15 px
    Hint: 20 px
38. 38.Which of these helps everyone use the app? (a) icons with no labels (b) sudden loud sounds (c) tiny tap areas (d) text that can grow
39. 39.Which of these makes the app harder to use? (a) sudden loud sounds (b) captions on videos (c) strong colour contrast (d) labels on every icon
40. 40.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
    Hint: 22 px
    Menu: 23 px
    Caption: 21 px
    Footer: 19 px
    Label: 14 px

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