App Dev Worksheet: Accessibility

App development lesson 13: Accessibility · Set 264 · 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) strong colour contrast (c) big touch targets (d) tiny tap areas
2. 2.🔍 Which is the odd one out? (a) colour as the only clue (b) captions on videos (c) icons with no labels (d) tiny tap areas
3. 3.♿ Does this help everyone, or make the app harder to use: colour as the only clue? (a) helps everyone (b) makes it harder
4. 4.True or false: “captions on videos” makes the app harder to use. (a) True (b) False
5. 5.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
   Body text: 25 px
   Menu: 12 px
   Caption: 26 px
   Hint: 17 px (a) Caption (b) Body text (c) Menu (d) Hint
6. 6.🔍 Which is the odd one out? (a) big touch targets (b) fast-flashing lights (c) text that can grow (d) captions on videos
7. 7.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
   Title: 11 px
   Label: 17 px
   Hint: 21 px
   Menu: 18 px
   Caption: 26 px (a) Title (b) Hint (c) Menu (d) Label
8. 8.♿ What should every icon-only button have for screen readers? (a) a bright colour (b) a long animation (c) a sound (d) a text label
9. 9.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
   Menu: 11 px
   Caption: 18 px
   Body text: 16 px
10. 10.♿ Does this help everyone, or make the app harder to use: text that can grow? (a) makes it harder (b) helps everyone
11. 11.♿ Does this help everyone, or make the app harder to use: sudden loud sounds? (a) helps everyone (b) makes it harder
12. 12.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
    Hint: 19 px
    Menu: 18 px
    Caption: 14 px
13. 13.True or false: “text that can grow” helps everyone use the app. (a) True (b) False
14. 14.🔍 Which is the odd one out? (a) text that can grow (b) colour as the only clue (c) strong colour contrast (d) labels on every icon
15. 15.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Title: 23 px
    Label: 27 px
    Caption: 18 px
    Hint: 13 px
    Menu: 25 px (a) Caption (b) Label (c) Hint (d) Title
16. 16.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
    Hint: 24 px
    Caption: 20 px
    Label: 11 px
17. 17.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
    Title: 13 px
    Hint: 19 px
    Body text: 22 px
    Footer: 18 px
    Caption: 19 px
18. 18.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Footer: 16 px
    Caption: 12 px
    Menu: 22 px
    Hint: 23 px
    Label: 20 px (a) Menu (b) Hint (c) Caption (d) Footer
19. 19.Which of these makes the app harder to use? (a) big touch targets (b) strong colour contrast (c) labels on every icon (d) colour as the only clue
20. 20.♿ Does this help everyone, or make the app harder to use: tiny tap areas? (a) helps everyone (b) makes it harder
21. 21.Which of these helps everyone use the app? (a) sudden loud sounds (b) captions on videos (c) fast-flashing lights (d) tiny tap areas
22. 22.♿ Does this help everyone, or make the app harder to use: big touch targets? (a) makes it harder (b) helps everyone
23. 23.True or false: “icons with no labels” helps everyone use the app. (a) True (b) False
24. 24.♿ Accessibility means an app works for ___. (a) only the coder (b) only experts (c) everyone (d) nobody
25. 25.♿ Does this help everyone, or make the app harder to use: icons with no labels? (a) makes it harder (b) helps everyone
26. 26.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
    Label: 14 px
    Footer: 13 px
    Menu: 18 px
    Hint: 16 px
    Caption: 22 px
27. 27.♿ Showing right or wrong only in red and green is a problem for ___. (a) the battery (b) the server (c) fast typists (d) colour-blind users
28. 28.Which of these helps everyone use the app? (a) labels on every icon (b) fast-flashing lights (c) sudden loud sounds (d) tiny tap areas
29. 29.Which of these makes the app harder to use? (a) big touch targets (b) captions on videos (c) text that can grow (d) tiny tap areas
30. 30.♿ A screen has 11 icon buttons. Only 5 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?
    Menu: 10 px
    Caption: 18 px
    Label: 23 px
    Body text: 11 px
    Title: 18 px
32. 32.Which of these makes the app harder to use? (a) fast-flashing lights (b) labels on every icon (c) captions on videos (d) big touch targets
33. 33.♿ Does this help everyone, or make the app harder to use: strong colour contrast? (a) helps everyone (b) makes it harder
34. 34.♿ What does a screen reader do? (a) takes photos (b) makes text tiny (c) plays music (d) reads the screen aloud
35. 35.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Hint: 22 px
    Body text: 20 px
    Caption: 11 px (a) Caption (b) Hint (c) Body text
36. 36.True or false: “sudden loud sounds” makes the app harder to use. (a) True (b) False
37. 37.True or false: “sudden loud sounds” helps everyone use the app. (a) True (b) False
38. 38.True or false: “strong colour contrast” helps everyone use the app. (a) False (b) True
39. 39.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Title: 13 px
    Footer: 20 px
    Hint: 20 px
    Label: 22 px (a) Hint (b) Label (c) Title (d) Footer
40. 40.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Title: 19 px
    Hint: 12 px
    Body text: 22 px
    Label: 21 px
    Caption: 23 px (a) Body text (b) Title (c) Hint (d) Label

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