App Dev Worksheet: Accessibility

App development lesson 13: Accessibility · Set 698 · 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?
   Body text: 10 px
   Menu: 23 px
   Footer: 19 px
2. 2.🔍 Which is the odd one out? (a) fast-flashing lights (b) text that can grow (c) captions on videos (d) labels on every icon
3. 3.Which of these helps everyone use the app? (a) sudden loud sounds (b) fast-flashing lights (c) tiny tap areas (d) labels on every icon
4. 4.♿ Does this help everyone, or make the app harder to use: labels on every icon? (a) makes it harder (b) helps everyone
5. 5.♿ What does a screen reader do? (a) makes text tiny (b) plays music (c) takes photos (d) reads the screen aloud
6. 6.🔍 Which is the odd one out? (a) colour as the only clue (b) icons with no labels (c) tiny tap areas (d) labels on every icon
7. 7.🔍 Which is the odd one out? (a) sudden loud sounds (b) strong colour contrast (c) fast-flashing lights (d) icons with no labels
8. 8.♿ Showing right or wrong only in red and green is a problem for ___. (a) colour-blind users (b) the battery (c) fast typists (d) the server
9. 9.True or false: “text that can grow” makes the app harder to use. (a) True (b) False
10. 10.True or false: “captions on videos” makes the app harder to use. (a) True (b) False
11. 11.♿ Does this help everyone, or make the app harder to use: fast-flashing lights? (a) helps everyone (b) makes it harder
12. 12.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Hint: 23 px
    Menu: 11 px
    Caption: 16 px (a) Hint (b) Caption (c) Menu
13. 13.♿ Does this help everyone, or make the app harder to use: sudden loud sounds? (a) helps everyone (b) makes it harder
14. 14.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Body text: 23 px
    Title: 10 px
    Label: 17 px (a) Body text (b) Title (c) Label
15. 15.♿ What should every icon-only button have for screen readers? (a) a sound (b) a long animation (c) a bright colour (d) a text label
16. 16.True or false: “sudden loud sounds” makes the app harder to use. (a) False (b) True
17. 17.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
    Hint: 21 px
    Caption: 22 px
    Title: 17 px
18. 18.♿ A screen has 6 icon buttons. Only 3 of them have a text label for screen readers. How many still need a label?
19. 19.True or false: “colour as the only clue” helps everyone use the app. (a) True (b) False
20. 20.Which of these helps everyone use the app? (a) icons with no labels (b) sudden loud sounds (c) tiny tap areas (d) big touch targets
21. 21.🔍 Which is the odd one out? (a) sudden loud sounds (b) colour as the only clue (c) big touch targets (d) fast-flashing lights
22. 22.Which of these makes the app harder to use? (a) icons with no labels (b) captions on videos (c) strong colour contrast (d) big touch targets
23. 23.🔍 Which is the odd one out? (a) text that can grow (b) labels on every icon (c) tiny tap areas (d) big touch targets
24. 24.♿ Does this help everyone, or make the app harder to use: strong colour contrast? (a) makes it harder (b) helps everyone
25. 25.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Hint: 10 px
    Caption: 24 px
    Menu: 17 px (a) Caption (b) Hint (c) Menu
26. 26.♿ A screen has 5 icon buttons. Only 3 of them have a text label for screen readers. How many still need a label?
27. 27.♿ Does this help everyone, or make the app harder to use: big touch targets? (a) makes it harder (b) helps everyone
28. 28.🔍 Which is the odd one out? (a) text that can grow (b) fast-flashing lights (c) colour as the only clue (d) icons with no labels
29. 29.♿ A screen has 10 icon buttons. Only 2 of them have a text label for screen readers. How many still need a label?
30. 30.Which of these makes the app harder to use? (a) captions on videos (b) labels on every icon (c) strong colour contrast (d) tiny tap areas
31. 31.♿ Accessibility means an app works for ___. (a) only the coder (b) only experts (c) everyone (d) nobody
32. 32.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
    Menu: 19 px
    Caption: 13 px
    Title: 24 px
33. 33.Which of these makes the app harder to use? (a) strong colour contrast (b) text that can grow (c) colour as the only clue (d) big touch targets
34. 34.♿ A screen has 12 icon buttons. Only 4 of them have a text label for screen readers. How many still need a label?
35. 35.True or false: “tiny tap areas” helps everyone use the app. (a) False (b) True
36. 36.Which of these helps everyone use the app? (a) colour as the only clue (b) tiny tap areas (c) strong colour contrast (d) icons with no labels
37. 37.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Menu: 27 px
    Label: 19 px
    Title: 9 px
    Footer: 17 px (a) Menu (b) Title (c) Footer (d) Label
38. 38.Which of these makes the app harder to use? (a) labels on every icon (b) big touch targets (c) strong colour contrast (d) fast-flashing lights
39. 39.True or false: “text that can grow” helps everyone use the app. (a) True (b) False
40. 40.🔍 Which is the odd one out? (a) text that can grow (b) sudden loud sounds (c) strong colour contrast (d) labels on every icon

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