App Dev Worksheet: Accessibility

App development lesson 13: Accessibility · Set 448 · 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) text that can grow (b) icons with no labels (c) strong colour contrast (d) big touch targets
2. 2.🔍 Which is the odd one out? (a) fast-flashing lights (b) big touch targets (c) icons with no labels (d) colour as the only clue
3. 3.True or false: “sudden loud sounds” makes the app harder to use. (a) True (b) False
4. 4.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
5. 5.True or false: “text that can grow” makes the app harder to use. (a) False (b) True
6. 6.🔍 Which is the odd one out? (a) tiny tap areas (b) icons with no labels (c) text that can grow (d) colour as the only clue
7. 7.🔍 Which is the odd one out? (a) tiny tap areas (b) colour as the only clue (c) captions on videos (d) fast-flashing lights
8. 8.♿ What does a screen reader do? (a) plays music (b) reads the screen aloud (c) takes photos (d) makes text tiny
9. 9.True or false: “labels on every icon” helps everyone use the app. (a) False (b) True
10. 10.♿ Does this help everyone, or make the app harder to use: fast-flashing lights? (a) makes it harder (b) helps everyone
11. 11.♿ Does this help everyone, or make the app harder to use: colour as the only clue? (a) makes it harder (b) helps everyone
12. 12.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Caption: 21 px
    Footer: 23 px
    Body text: 11 px
    Hint: 16 px
    Menu: 22 px (a) Hint (b) Footer (c) Body text (d) Caption
13. 13.True or false: “fast-flashing lights” helps everyone use the app. (a) True (b) False
14. 14.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Hint: 25 px
    Title: 9 px
    Footer: 17 px (a) Hint (b) Footer (c) Title
15. 15.Which of these makes the app harder to use? (a) big touch targets (b) colour as the only clue (c) strong colour contrast (d) text that can grow
16. 16.♿ A screen has 5 icon buttons. Only 1 of them have a text label for screen readers. How many still need a label?
17. 17.♿ Accessibility means an app works for ___. (a) only experts (b) nobody (c) everyone (d) only the coder
18. 18.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Caption: 26 px
    Label: 19 px
    Body text: 28 px
    Title: 26 px
    Menu: 10 px (a) Label (b) Body text (c) Caption (d) Menu
19. 19.♿ A screen has 8 icon buttons. Only 7 of them have a text label for screen readers. How many still need a label?
20. 20.♿ A screen has 12 icon buttons. Only 4 of them have a text label for screen readers. How many still need a label?
21. 21.Which of these helps everyone use the app? (a) tiny tap areas (b) icons with no labels (c) colour as the only clue (d) strong colour contrast
22. 22.🔍 Which is the odd one out? (a) sudden loud sounds (b) colour as the only clue (c) labels on every icon (d) tiny tap areas
23. 23.🔍 Which is the odd one out? (a) labels on every icon (b) captions on videos (c) text that can grow (d) sudden loud sounds
24. 24.♿ A screen has 8 icon buttons. Only 5 of them have a text label for screen readers. How many still need a label?
25. 25.True or false: “icons with no labels” makes the app harder to use. (a) True (b) False
26. 26.♿ Showing right or wrong only in red and green is a problem for ___. (a) the battery (b) colour-blind users (c) fast typists (d) the server
27. 27.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Title: 28 px
    Body text: 22 px
    Caption: 18 px
    Footer: 14 px (a) Body text (b) Title (c) Caption (d) Footer
28. 28.♿ A screen has 10 icon buttons. Only 5 of them have a text label for screen readers. How many still need a label?
29. 29.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
    Footer: 11 px
    Body text: 23 px
    Menu: 21 px
    Title: 17 px
    Hint: 22 px
30. 30.♿ A screen has 7 icon buttons. Only 6 of them have a text label for screen readers. How many still need a label?
31. 31.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
    Caption: 17 px
    Footer: 13 px
    Hint: 15 px
32. 32.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
    Caption: 16 px
    Label: 11 px
    Title: 24 px
33. 33.True or false: “captions on videos” helps everyone use the app. (a) False (b) True
34. 34.Which of these makes the app harder to use? (a) strong colour contrast (b) text that can grow (c) icons with no labels (d) captions on videos
35. 35.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Body text: 25 px
    Hint: 28 px
    Menu: 14 px
    Footer: 23 px (a) Body text (b) Hint (c) Menu (d) Footer
36. 36.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
    Caption: 14 px
    Body text: 21 px
    Menu: 17 px
37. 37.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Label: 22 px
    Hint: 10 px
    Title: 26 px
    Menu: 19 px (a) Menu (b) Hint (c) Title (d) Label
38. 38.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Caption: 17 px
    Footer: 24 px
    Body text: 9 px
    Menu: 22 px (a) Body text (b) Caption (c) Footer (d) Menu
39. 39.Which of these makes the app harder to use? (a) fast-flashing lights (b) strong colour contrast (c) big touch targets (d) text that can grow
40. 40.Which of these makes the app harder to use? (a) tiny tap areas (b) strong colour contrast (c) captions on videos (d) labels on every icon

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