App Dev Worksheet: Accessibility

App development lesson 13: Accessibility · Set 381 · 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?
   Caption: 19 px
   Body text: 14 px
   Hint: 10 px
   Menu: 23 px
   Label: 12 px
2. 2.♿ A screen has 9 icon buttons. Only 5 of them have a text label for screen readers. How many still need a label?
3. 3.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
   Caption: 18 px
   Footer: 16 px
   Hint: 10 px
   Label: 23 px
4. 4.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
   Hint: 26 px
   Caption: 18 px
   Body text: 13 px
   Footer: 19 px (a) Hint (b) Footer (c) Caption (d) Body text
5. 5.Which of these helps everyone use the app? (a) captions on videos (b) sudden loud sounds (c) colour as the only clue (d) tiny tap areas
6. 6.♿ A screen has 8 icon buttons. Only 4 of them have a text label for screen readers. How many still need a label?
7. 7.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
   Menu: 19 px
   Footer: 24 px
   Body text: 9 px
   Label: 21 px
   Title: 18 px (a) Label (b) Menu (c) Body text (d) Footer
8. 8.Which of these helps everyone use the app? (a) fast-flashing lights (b) strong colour contrast (c) tiny tap areas (d) colour as the only clue
9. 9.True or false: “strong colour contrast” helps everyone use the app. (a) True (b) False
10. 10.♿ Does this help everyone, or make the app harder to use: labels on every icon? (a) helps everyone (b) makes it harder
11. 11.True or false: “captions on videos” makes the app harder to use. (a) True (b) False
12. 12.♿ What should every icon-only button have for screen readers? (a) a text label (b) a sound (c) a bright colour (d) a long animation
13. 13.♿ A screen has 8 icon buttons. Only 5 of them have a text label for screen readers. How many still need a label?
14. 14.♿ A screen has 6 icon buttons. Only 1 of them have a text label for screen readers. How many still need a label?
15. 15.🔍 Which is the odd one out? (a) strong colour contrast (b) icons with no labels (c) big touch targets (d) labels on every icon
16. 16.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Menu: 13 px
    Body text: 16 px
    Label: 24 px
    Caption: 28 px
    Footer: 16 px (a) Label (b) Body text (c) Menu (d) Caption
17. 17.♿ A screen has 10 icon buttons. Only 7 of them have a text label for screen readers. How many still need a label?
18. 18.Which of these helps everyone use the app? (a) labels on every icon (b) colour as the only clue (c) sudden loud sounds (d) icons with no labels
19. 19.♿ Does this help everyone, or make the app harder to use: fast-flashing lights? (a) helps everyone (b) makes it harder
20. 20.🔍 Which is the odd one out? (a) sudden loud sounds (b) fast-flashing lights (c) colour as the only clue (d) strong colour contrast
21. 21.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Menu: 21 px
    Body text: 20 px
    Footer: 25 px
    Title: 27 px
    Label: 12 px (a) Menu (b) Body text (c) Footer (d) Label
22. 22.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Label: 9 px
    Menu: 18 px
    Footer: 17 px (a) Footer (b) Label (c) Menu
23. 23.♿ What does a screen reader do? (a) plays music (b) reads the screen aloud (c) takes photos (d) makes text tiny
24. 24.Which of these makes the app harder to use? (a) big touch targets (b) captions on videos (c) strong colour contrast (d) tiny tap areas
25. 25.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
    Menu: 11 px
    Caption: 19 px
    Hint: 21 px
    Body text: 19 px
26. 26.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Menu: 10 px
    Label: 22 px
    Footer: 17 px (a) Label (b) Menu (c) Footer
27. 27.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Body text: 18 px
    Title: 20 px
    Caption: 9 px (a) Title (b) Body text (c) Caption
28. 28.🔍 Which is the odd one out? (a) colour as the only clue (b) fast-flashing lights (c) icons with no labels (d) captions on videos
29. 29.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Menu: 14 px
    Title: 16 px
    Footer: 25 px (a) Footer (b) Menu (c) Title
30. 30.♿ Does this help everyone, or make the app harder to use: icons with no labels? (a) helps everyone (b) makes it harder
31. 31.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Body text: 19 px
    Title: 24 px
    Footer: 20 px
    Menu: 9 px
    Caption: 18 px (a) Body text (b) Footer (c) Title (d) Menu
32. 32.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Caption: 12 px
    Hint: 21 px
    Title: 16 px (a) Hint (b) Title (c) Caption
33. 33.♿ Accessibility means an app works for ___. (a) nobody (b) only experts (c) everyone (d) only the coder
34. 34.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Title: 21 px
    Hint: 27 px
    Label: 10 px
    Body text: 24 px
    Menu: 16 px (a) Hint (b) Label (c) Title (d) Body text
35. 35.♿ A screen has 9 icon buttons. Only 1 of them have a text label for screen readers. How many still need a label?
36. 36.♿ A screen has 12 icon buttons. Only 7 of them have a text label for screen readers. How many still need a label?
37. 37.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Hint: 12 px
    Title: 25 px
    Label: 24 px
    Footer: 24 px (a) Label (b) Footer (c) Hint (d) Title
38. 38.♿ Does this help everyone, or make the app harder to use: colour as the only clue? (a) makes it harder (b) helps everyone
39. 39.Which of these makes the app harder to use? (a) captions on videos (b) labels on every icon (c) text that can grow (d) fast-flashing lights
40. 40.🔍 Which is the odd one out? (a) big touch targets (b) colour as the only clue (c) text that can grow (d) labels on every icon

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