App Dev Worksheet: Accessibility

App development lesson 13: Accessibility · Set 563 · 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. Which text on this screen is too small?
   Label: 25 px
   Title: 13 px
   Hint: 27 px (a) Label (b) Title (c) Hint
2. 2.♿ Does this help everyone, or make the app harder to use: sudden loud sounds? (a) helps everyone (b) makes it harder
3. 3.Which of these helps everyone use the app? (a) icons with no labels (b) labels on every icon (c) tiny tap areas (d) colour as the only clue
4. 4.🔍 Which is the odd one out? (a) captions on videos (b) strong colour contrast (c) icons with no labels (d) text that can grow
5. 5.🔍 Which is the odd one out? (a) labels on every icon (b) sudden loud sounds (c) captions on videos (d) big touch targets
6. 6.♿ A screen has 10 icon buttons. Only 8 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?
   Body text: 24 px
   Footer: 26 px
   Title: 14 px
   Label: 19 px
   Caption: 27 px (a) Body text (b) Title (c) Footer (d) Label
8. 8.♿ What does a screen reader do? (a) makes text tiny (b) reads the screen aloud (c) takes photos (d) plays music
9. 9.True or false: “tiny tap areas” makes the app harder to use. (a) True (b) False
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.🔍 Which is the odd one out? (a) tiny tap areas (b) labels on every icon (c) colour as the only clue (d) sudden loud sounds
12. 12.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Hint: 28 px
    Label: 26 px
    Title: 10 px
    Footer: 17 px (a) Label (b) Footer (c) Hint (d) Title
13. 13.♿ Does this help everyone, or make the app harder to use: icons with no labels? (a) makes it harder (b) helps everyone
14. 14.🔍 Which is the odd one out? (a) fast-flashing lights (b) icons with no labels (c) tiny tap areas (d) strong colour contrast
15. 15.♿ Showing right or wrong only in red and green is a problem for ___. (a) fast typists (b) the battery (c) colour-blind users (d) the server
16. 16.♿ Does this help everyone, or make the app harder to use: labels on every icon? (a) makes it harder (b) helps everyone
17. 17.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Body text: 20 px
    Title: 24 px
    Menu: 13 px (a) Body text (b) Menu (c) Title
18. 18.♿ A screen has 5 icon buttons. Only 4 of them have a text label for screen readers. How many still need a label?
19. 19.♿ Accessibility means an app works for ___. (a) nobody (b) only experts (c) only the coder (d) everyone
20. 20.True or false: “fast-flashing lights” helps everyone use the app. (a) True (b) False
21. 21.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Title: 24 px
    Menu: 21 px
    Hint: 14 px
    Footer: 20 px
    Caption: 22 px (a) Title (b) Menu (c) Hint (d) Footer
22. 22.True or false: “text that can grow” helps everyone use the app. (a) True (b) False
23. 23.♿ A screen has 11 icon buttons. Only 8 of them have a text label for screen readers. How many still need a label?
24. 24.🔍 Which is the odd one out? (a) icons with no labels (b) fast-flashing lights (c) sudden loud sounds (d) text that can grow
25. 25.True or false: “sudden loud sounds” makes the app harder to use. (a) True (b) False
26. 26.🔍 Which is the odd one out? (a) labels on every icon (b) strong colour contrast (c) big touch targets (d) colour as the only clue
27. 27.♿ What should every icon-only button have for screen readers? (a) a long animation (b) a sound (c) a text label (d) a bright colour
28. 28.♿ A screen has 11 icon buttons. Only 3 of them have a text label for screen readers. How many still need a label?
29. 29.♿ Why add captions to videos? (a) to add colour (b) to hide the sound (c) so anyone can follow (d) to slow them down
30. 30.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Hint: 21 px
    Caption: 9 px
    Label: 21 px (a) Hint (b) Caption (c) Label
31. 31.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Caption: 16 px
    Label: 12 px
    Menu: 24 px (a) Menu (b) Caption (c) Label
32. 32.♿ A screen has 6 icon buttons. Only 1 of them have a text label for screen readers. How many still need a label?
33. 33.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
    Title: 12 px
    Menu: 10 px
    Caption: 24 px
    Hint: 24 px
    Label: 19 px
34. 34.Which of these makes the app harder to use? (a) icons with no labels (b) text that can grow (c) labels on every icon (d) captions on videos
35. 35.♿ A screen has 10 icon buttons. Only 9 of them have a text label for screen readers. How many still need a label?
36. 36.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Menu: 21 px
    Label: 27 px
    Caption: 17 px
    Footer: 9 px
    Body text: 23 px (a) Menu (b) Footer (c) Caption (d) Label
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.Which of these helps everyone use the app? (a) big touch targets (b) colour as the only clue (c) icons with no labels (d) tiny tap areas
39. 39.True or false: “big touch targets” makes the app harder to use. (a) True (b) False
40. 40.♿ Does this help everyone, or make the app harder to use: captions on videos? (a) helps everyone (b) makes it harder

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