App Dev Worksheet: Accessibility

App development lesson 13: Accessibility · Set 122 · 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.True or false: “colour as the only clue” helps everyone use the app. (a) True (b) False
2. 2.🔍 Which is the odd one out? (a) tiny tap areas (b) captions on videos (c) text that can grow (d) strong colour contrast
3. 3.True or false: “text that can grow” helps everyone use the app. (a) True (b) False
4. 4.Which of these makes the app harder to use? (a) big touch targets (b) text that can grow (c) strong colour contrast (d) colour as the only clue
5. 5.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
   Title: 13 px
   Body text: 12 px
   Footer: 22 px
6. 6.♿ Does this help everyone, or make the app harder to use: tiny tap areas? (a) helps everyone (b) makes it harder
7. 7.🔍 Which is the odd one out? (a) icons with no labels (b) fast-flashing lights (c) tiny tap areas (d) text that can grow
8. 8.♿ Why add captions to videos? (a) to hide the sound (b) to add colour (c) to slow them down (d) so anyone can follow
9. 9.True or false: “sudden loud sounds” helps everyone use the app. (a) False (b) True
10. 10.🔍 Which is the odd one out? (a) colour as the only clue (b) sudden loud sounds (c) big touch targets (d) tiny tap areas
11. 11.♿ A screen has 10 icon buttons. Only 2 of them have a text label for screen readers. How many still need a label?
12. 12.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Caption: 10 px
    Hint: 23 px
    Title: 28 px
    Menu: 17 px (a) Menu (b) Hint (c) Caption (d) Title
13. 13.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Menu: 20 px
    Hint: 27 px
    Caption: 16 px
    Footer: 9 px (a) Menu (b) Hint (c) Caption (d) Footer
14. 14.♿ Does this help everyone, or make the app harder to use: big touch targets? (a) makes it harder (b) helps everyone
15. 15.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
    Caption: 11 px
    Menu: 21 px
    Hint: 10 px
    Footer: 23 px
    Body text: 11 px
16. 16.♿ Does this help everyone, or make the app harder to use: text that can grow? (a) helps everyone (b) makes it harder
17. 17.Which of these helps everyone use the app? (a) colour as the only clue (b) strong colour contrast (c) tiny tap areas (d) fast-flashing lights
18. 18.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
    Caption: 12 px
    Hint: 20 px
    Body text: 22 px
    Footer: 22 px
19. 19.Which of these makes the app harder to use? (a) fast-flashing lights (b) big touch targets (c) captions on videos (d) text that can grow
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.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Hint: 18 px
    Caption: 24 px
    Menu: 9 px
    Title: 22 px (a) Title (b) Hint (c) Menu (d) Caption
22. 22.♿ Does this help everyone, or make the app harder to use: fast-flashing lights? (a) makes it harder (b) helps everyone
23. 23.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
    Body text: 10 px
    Menu: 20 px
    Label: 11 px
    Hint: 21 px
24. 24.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Body text: 18 px
    Menu: 17 px
    Caption: 14 px
    Hint: 28 px (a) Caption (b) Menu (c) Hint (d) Body text
25. 25.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Body text: 25 px
    Caption: 19 px
    Title: 10 px (a) Title (b) Body text (c) Caption
26. 26.🔍 Which is the odd one out? (a) fast-flashing lights (b) captions on videos (c) text that can grow (d) big touch targets
27. 27.True or false: “icons with no labels” 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?
    Menu: 22 px
    Title: 23 px
    Hint: 21 px
    Label: 15 px
29. 29.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
    Body text: 24 px
    Caption: 13 px
    Hint: 21 px
30. 30.Which of these helps everyone use the app? (a) colour as the only clue (b) big touch targets (c) sudden loud sounds (d) fast-flashing lights
31. 31.Which of these makes the app harder to use? (a) text that can grow (b) tiny tap areas (c) captions on videos (d) strong colour contrast
32. 32.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
    Body text: 18 px
    Menu: 15 px
    Hint: 15 px
    Footer: 13 px
    Title: 14 px
33. 33.♿ Accessibility means an app works for ___. (a) nobody (b) only experts (c) everyone (d) only the coder
34. 34.♿ A screen has 7 icon buttons. Only 5 of them have a text label for screen readers. How many still need a label?
35. 35.🔍 Which is the odd one out? (a) captions on videos (b) strong colour contrast (c) text that can grow (d) icons with no labels
36. 36.True or false: “colour as the only clue” makes the app harder to use. (a) True (b) False
37. 37.True or false: “sudden loud sounds” makes the app harder to use. (a) True (b) False
38. 38.♿ A screen has 5 icon buttons. Only 4 of them have a text label for screen readers. How many still need a label?
39. 39.♿ Does this help everyone, or make the app harder to use: icons with no labels? (a) makes it harder (b) helps everyone
40. 40.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Caption: 10 px
    Hint: 28 px
    Label: 28 px
    Title: 25 px (a) Label (b) Title (c) Caption (d) Hint

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