App Dev Worksheet: Accessibility

App development lesson 13: Accessibility · Set 565 · 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.🔍 Which is the odd one out? (a) icons with no labels (b) sudden loud sounds (c) colour as the only clue (d) big touch targets
2. 2.♿ Does this help everyone, or make the app harder to use: colour as the only clue? (a) helps everyone (b) makes it harder
3. 3.True or false: “text that can grow” helps everyone use the app. (a) False (b) True
4. 4.♿ Does this help everyone, or make the app harder to use: fast-flashing lights? (a) makes it harder (b) helps everyone
5. 5.♿ Why add captions to videos? (a) to slow them down (b) to hide the sound (c) to add colour (d) so anyone can follow
6. 6.♿ Does this help everyone, or make the app harder to use: icons with no labels? (a) helps everyone (b) makes it harder
7. 7.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
   Body text: 27 px
   Footer: 13 px
   Menu: 18 px
   Caption: 28 px (a) Body text (b) Menu (c) Caption (d) Footer
8. 8.♿ A screen has 10 icon buttons. Only 9 of them have a text label for screen readers. How many still need a label?
9. 9.Which of these helps everyone use the app? (a) tiny tap areas (b) colour as the only clue (c) strong colour contrast (d) sudden loud sounds
10. 10.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Menu: 16 px
    Hint: 11 px
    Caption: 21 px (a) Hint (b) Menu (c) Caption
11. 11.True or false: “strong colour contrast” makes the app harder to use. (a) False (b) True
12. 12.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Hint: 22 px
    Footer: 20 px
    Label: 25 px
    Caption: 10 px
    Title: 21 px (a) Footer (b) Caption (c) Hint (d) Label
13. 13.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Body text: 25 px
    Caption: 23 px
    Hint: 22 px
    Title: 13 px
    Footer: 17 px (a) Hint (b) Body text (c) Title (d) Caption
14. 14.♿ Does this help everyone, or make the app harder to use: labels on every icon? (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?
    Body text: 20 px
    Caption: 10 px
    Label: 22 px
16. 16.♿ A screen has 12 icon buttons. Only 8 of them have a text label for screen readers. How many still need a label?
17. 17.True or false: “tiny tap areas” helps everyone use the app. (a) False (b) True
18. 18.🔍 Which is the odd one out? (a) labels on every icon (b) text that can grow (c) sudden loud sounds (d) big touch targets
19. 19.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
    Label: 10 px
    Footer: 15 px
    Hint: 19 px
    Menu: 23 px
    Caption: 20 px
20. 20.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
    Menu: 17 px
    Footer: 12 px
    Label: 16 px
    Hint: 22 px
21. 21.🔍 Which is the odd one out? (a) tiny tap areas (b) icons with no labels (c) colour as the only clue (d) labels on every icon
22. 22.🔍 Which is the odd one out? (a) colour as the only clue (b) tiny tap areas (c) text that can grow (d) icons with no labels
23. 23.♿ A screen has 6 icon buttons. Only 1 of them have a text label for screen readers. How many still need a label?
24. 24.♿ A screen has 5 icon buttons. Only 1 of them have a text label for screen readers. How many still need a label?
25. 25.🔍 Which is the odd one out? (a) captions on videos (b) tiny tap areas (c) big touch targets (d) labels on every icon
26. 26.♿ Showing right or wrong only in red and green is a problem for ___. (a) fast typists (b) the battery (c) colour-blind users (d) the server
27. 27.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Title: 14 px
    Body text: 28 px
    Menu: 20 px (a) Menu (b) Body text (c) Title
28. 28.♿ A screen has 12 icon buttons. Only 1 of them have a text label for screen readers. How many still need a label?
29. 29.♿ Does this help everyone, or make the app harder to use: big touch targets? (a) makes it harder (b) helps everyone
30. 30.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Footer: 22 px
    Label: 26 px
    Menu: 10 px (a) Label (b) Footer (c) Menu
31. 31.True or false: “sudden loud sounds” helps everyone use the app. (a) False (b) True
32. 32.♿ A screen has 9 icon buttons. Only 4 of them have a text label for screen readers. How many still need a label?
33. 33.Which of these makes the app harder to use? (a) big touch targets (b) tiny tap areas (c) labels on every icon (d) captions on videos
34. 34.Which of these makes the app harder to use? (a) big touch targets (b) labels on every icon (c) colour as the only clue (d) captions on videos
35. 35.Which of these makes the app harder to use? (a) captions on videos (b) fast-flashing lights (c) labels on every icon (d) text that can grow
36. 36.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Title: 25 px
    Caption: 13 px
    Body text: 24 px
    Label: 18 px (a) Body text (b) Title (c) Label (d) Caption
37. 37.🔍 Which is the odd one out? (a) labels on every icon (b) big touch targets (c) colour as the only clue (d) captions on videos
38. 38.Which of these helps everyone use the app? (a) fast-flashing lights (b) tiny tap areas (c) captions on videos (d) sudden loud sounds
39. 39.♿ A screen has 11 icon buttons. Only 6 of them have a text label for screen readers. How many still need a label?
40. 40.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Body text: 22 px
    Menu: 25 px
    Hint: 10 px
    Title: 22 px
    Footer: 17 px (a) Menu (b) Body text (c) Hint (d) Title

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