App Dev Worksheet: Accessibility

App development lesson 13: Accessibility · Set 245 · 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.♿ Does this help everyone, or make the app harder to use: labels on every icon? (a) makes it harder (b) helps everyone
2. 2.True or false: “text that can grow” makes the app harder to use. (a) True (b) False
3. 3.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
   Caption: 16 px
   Hint: 12 px
   Label: 19 px
   Title: 16 px
   Footer: 17 px
4. 4.♿ A screen has 5 icon buttons. Only 1 of them have a text label for screen readers. How many still need a label?
5. 5.♿ A screen has 12 icon buttons. Only 8 of them have a text label for screen readers. How many still need a label?
6. 6.True or false: “text that can grow” helps everyone use the app. (a) True (b) False
7. 7.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
   Menu: 27 px
   Body text: 24 px
   Caption: 11 px (a) Caption (b) Menu (c) Body text
8. 8.♿ Does this help everyone, or make the app harder to use: colour as the only clue? (a) makes it harder (b) helps everyone
9. 9.🔍 Which is the odd one out? (a) tiny tap areas (b) icons with no labels (c) sudden loud sounds (d) text that can grow
10. 10.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
    Body text: 20 px
    Label: 23 px
    Footer: 15 px
11. 11.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Caption: 14 px
    Menu: 16 px
    Title: 28 px (a) Menu (b) Title (c) Caption
12. 12.🔍 Which is the odd one out? (a) tiny tap areas (b) big touch targets (c) colour as the only clue (d) fast-flashing lights
13. 13.True or false: “strong colour contrast” helps everyone use the app. (a) False (b) True
14. 14.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
    Footer: 16 px
    Title: 13 px
    Caption: 18 px
    Body text: 11 px
15. 15.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
    Title: 21 px
    Menu: 13 px
    Caption: 10 px
    Hint: 15 px
    Body text: 15 px
16. 16.True or false: “fast-flashing lights” helps everyone use the app. (a) True (b) False
17. 17.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
    Hint: 14 px
    Title: 22 px
    Caption: 12 px
18. 18.Which of these makes the app harder to use? (a) captions on videos (b) strong colour contrast (c) sudden loud sounds (d) big touch targets
19. 19.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Body text: 19 px
    Footer: 23 px
    Menu: 26 px
    Caption: 9 px (a) Body text (b) Caption (c) Footer (d) Menu
20. 20.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Hint: 24 px
    Footer: 23 px
    Title: 9 px (a) Hint (b) Title (c) Footer
21. 21.♿ A screen has 5 icon buttons. Only 2 of them have a text label for screen readers. How many still need a label?
22. 22.🔍 Which is the odd one out? (a) colour as the only clue (b) fast-flashing lights (c) strong colour contrast (d) sudden loud sounds
23. 23.♿ Does this help everyone, or make the app harder to use: fast-flashing lights? (a) makes it harder (b) helps everyone
24. 24.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
    Body text: 19 px
    Title: 11 px
    Footer: 14 px
25. 25.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Footer: 27 px
    Hint: 28 px
    Menu: 17 px
    Caption: 12 px (a) Caption (b) Footer (c) Menu (d) Hint
26. 26.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
    Title: 22 px
    Hint: 15 px
    Label: 10 px
    Body text: 15 px
27. 27.🔍 Which is the odd one out? (a) sudden loud sounds (b) text that can grow (c) strong colour contrast (d) labels on every icon
28. 28.♿ What does a screen reader do? (a) makes text tiny (b) reads the screen aloud (c) plays music (d) takes photos
29. 29.Which of these helps everyone use the app? (a) tiny tap areas (b) icons with no labels (c) strong colour contrast (d) colour as the only clue
30. 30.♿ A screen has 10 icon buttons. Only 1 of them have a text label for screen readers. How many still need a label?
31. 31.♿ Accessibility means an app works for ___. (a) nobody (b) only the coder (c) everyone (d) only experts
32. 32.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Label: 14 px
    Menu: 27 px
    Hint: 20 px
    Title: 23 px
    Body text: 27 px (a) Hint (b) Menu (c) Title (d) Label
33. 33.🔍 Which is the odd one out? (a) colour as the only clue (b) fast-flashing lights (c) sudden loud sounds (d) captions on videos
34. 34.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
    Footer: 24 px
    Menu: 10 px
    Body text: 18 px
    Hint: 17 px
35. 35.True or false: “labels on every icon” helps everyone use the app. (a) False (b) True
36. 36.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Label: 10 px
    Body text: 17 px
    Footer: 23 px (a) Label (b) Footer (c) Body text
37. 37.♿ Does this help everyone, or make the app harder to use: strong colour contrast? (a) helps everyone (b) makes it harder
38. 38.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
    Body text: 16 px
    Footer: 24 px
    Menu: 23 px
    Title: 24 px
39. 39.♿ Does this help everyone, or make the app harder to use: text that can grow? (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?
    Hint: 24 px
    Body text: 19 px
    Footer: 13 px
    Label: 19 px
    Title: 16 px (a) Hint (b) Label (c) Footer (d) Body text

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