App Dev Worksheet: Accessibility

App development lesson 13: Accessibility · Set 332 · 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?
   Footer: 11 px
   Caption: 16 px
   Menu: 24 px
   Body text: 13 px
2. 2.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
   Caption: 19 px
   Footer: 28 px
   Body text: 12 px (a) Caption (b) Footer (c) Body text
3. 3.♿ Does this help everyone, or make the app harder to use: text that can grow? (a) helps everyone (b) makes it harder
4. 4.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
   Menu: 12 px
   Title: 10 px
   Label: 15 px
5. 5.♿ Does this help everyone, or make the app harder to use: fast-flashing lights? (a) makes it harder (b) helps everyone
6. 6.♿ A screen has 8 icon buttons. Only 6 of them have a text label for screen readers. How many still need a label?
7. 7.True or false: “strong colour contrast” makes the app harder to use. (a) True (b) False
8. 8.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
   Body text: 27 px
   Title: 13 px
   Caption: 28 px
   Label: 20 px (a) Label (b) Body text (c) Title (d) Caption
9. 9.Which of these helps everyone use the app? (a) fast-flashing lights (b) sudden loud sounds (c) strong colour contrast (d) icons with no labels
10. 10.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Footer: 21 px
    Caption: 25 px
    Menu: 9 px (a) Menu (b) Caption (c) Footer
11. 11.🔍 Which is the odd one out? (a) tiny tap areas (b) captions on videos (c) labels on every icon (d) text that can grow
12. 12.🔍 Which is the odd one out? (a) tiny tap areas (b) sudden loud sounds (c) captions on videos (d) fast-flashing lights
13. 13.True or false: “captions on videos” helps everyone use the app. (a) False (b) True
14. 14.♿ A screen has 11 icon buttons. Only 1 of them have a text label for screen readers. How many still need a label?
15. 15.Which of these helps everyone use the app? (a) fast-flashing lights (b) captions on videos (c) colour as the only clue (d) tiny tap areas
16. 16.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Title: 23 px
    Hint: 24 px
    Label: 19 px
    Menu: 9 px
    Body text: 24 px (a) Hint (b) Label (c) Title (d) Menu
17. 17.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Title: 24 px
    Body text: 27 px
    Hint: 16 px
    Caption: 21 px
    Label: 14 px (a) Label (b) Hint (c) Body text (d) Title
18. 18.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
    Menu: 14 px
    Body text: 12 px
    Footer: 16 px
19. 19.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Hint: 20 px
    Footer: 28 px
    Caption: 11 px (a) Footer (b) Hint (c) Caption
20. 20.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
    Title: 14 px
    Label: 24 px
    Hint: 14 px
    Caption: 23 px
    Footer: 17 px
21. 21.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Hint: 13 px
    Menu: 20 px
    Body text: 26 px
    Label: 19 px
    Title: 17 px (a) Hint (b) Menu (c) Body text (d) Label
22. 22.♿ Does this help everyone, or make the app harder to use: colour as the only clue? (a) makes it harder (b) helps everyone
23. 23.♿ A screen has 6 icon buttons. Only 4 of them have a text label for screen readers. How many still need a label?
24. 24.True or false: “captions on videos” makes the app harder to use. (a) False (b) True
25. 25.🔍 Which is the odd one out? (a) colour as the only clue (b) sudden loud sounds (c) labels on every icon (d) icons with no labels
26. 26.♿ Does this help everyone, or make the app harder to use: big touch targets? (a) makes it harder (b) helps everyone
27. 27.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Hint: 22 px
    Footer: 26 px
    Title: 13 px (a) Hint (b) Footer (c) Title
28. 28.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Hint: 17 px
    Menu: 17 px
    Title: 21 px
    Body text: 11 px (a) Hint (b) Menu (c) Title (d) Body text
29. 29.♿ Does this help everyone, or make the app harder to use: labels on every icon? (a) makes it harder (b) helps everyone
30. 30.♿ Why add captions to videos? (a) to slow them down (b) to hide the sound (c) to add colour (d) so anyone can follow
31. 31.🔍 Which is the odd one out? (a) strong colour contrast (b) captions on videos (c) big touch targets (d) icons with no labels
32. 32.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Menu: 12 px
    Caption: 16 px
    Label: 22 px (a) Menu (b) Caption (c) Label
33. 33.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Label: 17 px
    Body text: 18 px
    Hint: 9 px
    Footer: 24 px (a) Body text (b) Hint (c) Label (d) Footer
34. 34.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Title: 27 px
    Hint: 28 px
    Label: 26 px
    Caption: 11 px (a) Title (b) Hint (c) Label (d) Caption
35. 35.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Hint: 19 px
    Footer: 9 px
    Label: 26 px
    Title: 22 px (a) Hint (b) Title (c) Label (d) Footer
36. 36.♿ Does this help everyone, or make the app harder to use: sudden loud sounds? (a) helps everyone (b) makes it harder
37. 37.♿ A screen has 11 icon buttons. Only 6 of them have a text label for screen readers. How many still need a label?
38. 38.♿ A screen has 5 icon buttons. Only 1 of them have a text label for screen readers. How many still need a label?
39. 39.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
    Body text: 16 px
    Label: 11 px
    Menu: 13 px
    Caption: 20 px
    Title: 15 px
40. 40.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
    Menu: 19 px
    Body text: 13 px
    Label: 13 px

Free app development lessons, practice and worksheets at talentjr.in/app-development-for-students