App Dev Worksheet: Accessibility

App development lesson 13: Accessibility · Set 178 · 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.♿ A screen has 7 icon buttons. Only 4 of them have a text label for screen readers. How many still need a label?
2. 2.True or false: “text that can grow” makes the app harder to use. (a) False (b) True
3. 3.♿ Accessibility means an app works for ___. (a) only experts (b) only the coder (c) everyone (d) nobody
4. 4.♿ Does this help everyone, or make the app harder to use: strong colour contrast? (a) helps everyone (b) makes it harder
5. 5.♿ A screen has 10 icon buttons. Only 3 of them have a text label for screen readers. How many still need a label?
6. 6.🔍 Which is the odd one out? (a) captions on videos (b) big touch targets (c) sudden loud sounds (d) strong colour contrast
7. 7.♿ A screen has 7 icon buttons. Only 3 of them have a text label for screen readers. How many still need a label?
8. 8.♿ Does this help everyone, or make the app harder to use: captions on videos? (a) helps everyone (b) makes it harder
9. 9.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
   Footer: 17 px
   Body text: 20 px
   Label: 12 px
10. 10.♿ Does this help everyone, or make the app harder to use: sudden loud sounds? (a) makes it harder (b) helps everyone
11. 11.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Footer: 21 px
    Hint: 28 px
    Label: 18 px
    Caption: 10 px (a) Footer (b) Caption (c) Hint (d) Label
12. 12.♿ A screen has 12 icon buttons. Only 11 of them have a text label for screen readers. How many still need a label?
13. 13.Which of these makes the app harder to use? (a) big touch targets (b) text that can grow (c) icons with no labels (d) captions on videos
14. 14.Which of these makes the app harder to use? (a) captions on videos (b) tiny tap areas (c) labels on every icon (d) text that can grow
15. 15.🔍 Which is the odd one out? (a) colour as the only clue (b) text that can grow (c) labels on every icon (d) big touch targets
16. 16.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
    Hint: 19 px
    Title: 11 px
    Body text: 16 px
17. 17.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Title: 14 px
    Menu: 24 px
    Footer: 25 px
    Label: 19 px
    Caption: 26 px (a) Label (b) Menu (c) Footer (d) Title
18. 18.♿ A screen has 7 icon buttons. Only 6 of them have a text label for screen readers. How many still need a label?
19. 19.True or false: “big touch targets” makes the app harder to use. (a) True (b) False
20. 20.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
    Hint: 19 px
    Caption: 13 px
    Footer: 11 px
    Menu: 15 px
    Title: 11 px
21. 21.Which of these helps everyone use the app? (a) tiny tap areas (b) captions on videos (c) colour as the only clue (d) fast-flashing lights
22. 22.♿ Does this help everyone, or make the app harder to use: labels on every icon? (a) makes it harder (b) helps everyone
23. 23.♿ Does this help everyone, or make the app harder to use: big touch targets? (a) helps everyone (b) makes it harder
24. 24.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Title: 22 px
    Caption: 28 px
    Body text: 13 px
    Hint: 22 px (a) Title (b) Caption (c) Body text (d) Hint
25. 25.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Label: 16 px
    Footer: 28 px
    Menu: 9 px
    Caption: 25 px (a) Footer (b) Label (c) Caption (d) Menu
26. 26.♿ Does this help everyone, or make the app harder to use: text that can grow? (a) helps everyone (b) makes it harder
27. 27.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
    Title: 11 px
    Menu: 11 px
    Footer: 11 px
28. 28.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
    Title: 16 px
    Footer: 11 px
    Hint: 15 px
    Body text: 22 px
    Menu: 21 px
29. 29.True or false: “strong colour contrast” makes the app harder to use. (a) True (b) False
30. 30.♿ A screen has 12 icon buttons. Only 7 of them have a text label for screen readers. How many still need a label?
31. 31.True or false: “labels on every icon” makes the app harder to use. (a) True (b) False
32. 32.♿ What does a screen reader do? (a) makes text tiny (b) takes photos (c) plays music (d) reads the screen aloud
33. 33.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
    Footer: 24 px
    Body text: 11 px
    Label: 13 px
34. 34.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
    Footer: 19 px
    Hint: 15 px
    Title: 24 px
    Caption: 10 px
35. 35.🔍 Which is the odd one out? (a) labels on every icon (b) tiny tap areas (c) strong colour contrast (d) captions on videos
36. 36.♿ A screen has 6 icon buttons. Only 4 of them have a text label for screen readers. How many still need a label?
37. 37.♿ A screen has 5 icon buttons. Only 4 of them have a text label for screen readers. How many still need a label?
38. 38.True or false: “tiny tap areas” helps everyone use the app. (a) True (b) False
39. 39.Which of these makes the app harder to use? (a) strong colour contrast (b) text that can grow (c) big touch targets (d) sudden loud sounds
40. 40.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Hint: 28 px
    Title: 9 px
    Label: 20 px (a) Label (b) Hint (c) Title

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