App Dev Worksheet: Accessibility

App development lesson 13: Accessibility · Set 766 · 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 of these makes the app harder to use? (a) captions on videos (b) colour as the only clue (c) labels on every icon (d) strong colour contrast
2. 2.♿ Does this help everyone, or make the app harder to use: captions on videos? (a) makes it harder (b) helps everyone
3. 3.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
   Title: 18 px
   Caption: 17 px
   Hint: 14 px
   Footer: 17 px
   Body text: 20 px (a) Hint (b) Caption (c) Footer (d) Title
4. 4.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
   Caption: 18 px
   Footer: 23 px
   Title: 14 px
   Hint: 22 px
5. 5.♿ A screen has 8 icon buttons. Only 3 of them have a text label for screen readers. How many still need a label?
6. 6.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
   Title: 27 px
   Caption: 12 px
   Label: 19 px (a) Caption (b) Title (c) Label
7. 7.🔍 Which is the odd one out? (a) tiny tap areas (b) fast-flashing lights (c) strong colour contrast (d) colour as the only clue
8. 8.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
   Title: 21 px
   Body text: 16 px
   Footer: 14 px
9. 9.♿ A screen has 12 icon buttons. Only 1 of them have a text label for screen readers. How many still need a label?
10. 10.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Caption: 28 px
    Menu: 24 px
    Hint: 24 px
    Body text: 11 px (a) Caption (b) Menu (c) Body text (d) Hint
11. 11.True or false: “sudden loud sounds” helps everyone use the app. (a) True (b) False
12. 12.♿ What does a screen reader do? (a) takes photos (b) makes text tiny (c) reads the screen aloud (d) plays music
13. 13.Which of these helps everyone use the app? (a) sudden loud sounds (b) fast-flashing lights (c) text that can grow (d) icons with no labels
14. 14.♿ Does this help everyone, or make the app harder to use: labels on every icon? (a) helps everyone (b) makes it harder
15. 15.Which of these helps everyone use the app? (a) tiny tap areas (b) sudden loud sounds (c) icons with no labels (d) strong colour contrast
16. 16.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
    Hint: 24 px
    Label: 19 px
    Footer: 11 px
    Caption: 20 px
17. 17.True or false: “icons with no labels” helps everyone use the app. (a) True (b) False
18. 18.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
    Label: 10 px
    Footer: 16 px
    Hint: 23 px
19. 19.♿ Showing right or wrong only in red and green is a problem for ___. (a) fast typists (b) colour-blind users (c) the server (d) the battery
20. 20.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
    Label: 23 px
    Menu: 24 px
    Caption: 23 px
    Title: 20 px
    Body text: 19 px
21. 21.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Label: 18 px
    Body text: 27 px
    Menu: 27 px
    Title: 24 px
    Footer: 14 px (a) Body text (b) Label (c) Menu (d) Footer
22. 22.🔍 Which is the odd one out? (a) labels on every icon (b) icons with no labels (c) text that can grow (d) big touch targets
23. 23.🔍 Which is the odd one out? (a) text that can grow (b) big touch targets (c) captions on videos (d) colour as the only clue
24. 24.♿ Does this help everyone, or make the app harder to use: tiny tap areas? (a) helps everyone (b) makes it harder
25. 25.🔍 Which is the odd one out? (a) sudden loud sounds (b) icons with no labels (c) tiny tap areas (d) text that can grow
26. 26.Which of these helps everyone use the app? (a) colour as the only clue (b) icons with no labels (c) fast-flashing lights (d) labels on every icon
27. 27.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
    Title: 21 px
    Footer: 11 px
    Body text: 16 px
28. 28.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Title: 25 px
    Label: 21 px
    Caption: 19 px
    Body text: 9 px
    Footer: 25 px (a) Label (b) Title (c) Body text (d) Caption
29. 29.🔍 Which is the odd one out? (a) tiny tap areas (b) text that can grow (c) big touch targets (d) labels on every icon
30. 30.True or false: “captions on videos” helps everyone use the app. (a) False (b) True
31. 31.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Caption: 13 px
    Menu: 22 px
    Body text: 27 px
    Hint: 25 px (a) Caption (b) Hint (c) Menu (d) Body text
32. 32.True or false: “text that can grow” makes the app harder to use. (a) False (b) True
33. 33.True or false: “tiny tap areas” makes the app harder to use. (a) False (b) True
34. 34.True or false: “labels on every icon” helps everyone use the app. (a) True (b) False
35. 35.♿ Does this help everyone, or make the app harder to use: strong colour contrast? (a) helps everyone (b) makes it harder
36. 36.Which of these helps everyone use the app? (a) tiny tap areas (b) big touch targets (c) fast-flashing lights (d) icons with no labels
37. 37.♿ A screen has 12 icon buttons. Only 4 of them have a text label for screen readers. How many still need a label?
38. 38.🔍 Which is the odd one out? (a) fast-flashing lights (b) sudden loud sounds (c) tiny tap areas (d) labels on every icon
39. 39.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
    Hint: 22 px
    Menu: 10 px
    Title: 22 px
40. 40.♿ Why add captions to videos? (a) to add colour (b) to hide the sound (c) to slow them down (d) so anyone can follow

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