App Dev Worksheet: Accessibility

App development lesson 13: Accessibility · Set 308 · 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.True or false: “icons with no labels” makes the app harder to use. (a) False (b) True
2. 2.Which of these helps everyone use the app? (a) icons with no labels (b) sudden loud sounds (c) tiny tap areas (d) labels on every icon
3. 3.🔍 Which is the odd one out? (a) text that can grow (b) captions on videos (c) colour as the only clue (d) big touch targets
4. 4.True or false: “colour as the only clue” makes the app harder to use. (a) True (b) False
5. 5.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
   Caption: 10 px
   Title: 19 px
   Body text: 17 px
6. 6.♿ A screen has 10 icon buttons. Only 1 of them have a text label for screen readers. How many still need a label?
7. 7.♿ Does this help everyone, or make the app harder to use: text that can grow? (a) makes it harder (b) helps everyone
8. 8.♿ A screen has 8 icon buttons. Only 6 of them have a text label for screen readers. How many still need a label?
9. 9.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
   Caption: 10 px
   Hint: 17 px
   Footer: 18 px (a) Caption (b) Footer (c) Hint
10. 10.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Title: 24 px
    Body text: 18 px
    Footer: 25 px
    Hint: 10 px (a) Hint (b) Body text (c) Footer (d) Title
11. 11.True or false: “text that can grow” makes the app harder to use. (a) False (b) True
12. 12.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Menu: 10 px
    Caption: 21 px
    Label: 16 px
    Footer: 16 px
    Hint: 24 px (a) Menu (b) Label (c) Footer (d) Caption
13. 13.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Footer: 10 px
    Title: 24 px
    Body text: 19 px (a) Body text (b) Title (c) Footer
14. 14.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
    Menu: 11 px
    Body text: 10 px
    Label: 12 px
15. 15.♿ Does this help everyone, or make the app harder to use: captions on videos? (a) helps everyone (b) makes it harder
16. 16.Which of these helps everyone use the app? (a) tiny tap areas (b) sudden loud sounds (c) fast-flashing lights (d) text that can grow
17. 17.♿ Does this help everyone, or make the app harder to use: big touch targets? (a) helps everyone (b) makes it harder
18. 18.🔍 Which is the odd one out? (a) fast-flashing lights (b) icons with no labels (c) tiny tap areas (d) big touch targets
19. 19.True or false: “colour as the only clue” helps everyone use the app. (a) True (b) False
20. 20.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Title: 13 px
    Caption: 18 px
    Label: 28 px (a) Title (b) Caption (c) Label
21. 21.🔍 Which is the odd one out? (a) colour as the only clue (b) fast-flashing lights (c) tiny tap areas (d) strong colour contrast
22. 22.True or false: “fast-flashing lights” makes the app harder to use. (a) False (b) True
23. 23.♿ A screen has 6 icon buttons. Only 1 of them have a text label for screen readers. How many still need a label?
24. 24.♿ Why add captions to videos? (a) to add colour (b) to hide the sound (c) to slow them down (d) so anyone can follow
25. 25.♿ A screen has 7 icon buttons. Only 6 of them have a text label for screen readers. How many still need a label?
26. 26.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Footer: 14 px
    Menu: 16 px
    Body text: 22 px
    Hint: 18 px (a) Body text (b) Footer (c) Menu (d) Hint
27. 27.🔍 Which is the odd one out? (a) big touch targets (b) text that can grow (c) strong colour contrast (d) tiny tap areas
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.♿ Does this help everyone, or make the app harder to use: labels on every icon? (a) makes it harder (b) helps everyone
30. 30.♿ A screen has 12 icon buttons. Only 10 of them have a text label for screen readers. How many still need a label?
31. 31.♿ A screen has 6 icon buttons. Only 2 of them have a text label for screen readers. How many still need a label?
32. 32.♿ Showing right or wrong only in red and green is a problem for ___. (a) colour-blind users (b) fast typists (c) the battery (d) the server
33. 33.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
    Caption: 15 px
    Body text: 24 px
    Label: 21 px
    Menu: 14 px
    Hint: 16 px
34. 34.Which of these helps everyone use the app? (a) colour as the only clue (b) captions on videos (c) tiny tap areas (d) sudden loud sounds
35. 35.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Title: 10 px
    Label: 20 px
    Footer: 20 px
    Hint: 16 px (a) Label (b) Hint (c) Title (d) Footer
36. 36.🔍 Which is the odd one out? (a) labels on every icon (b) big touch targets (c) sudden loud sounds (d) captions on videos
37. 37.🔍 Which is the odd one out? (a) fast-flashing lights (b) big touch targets (c) text that can grow (d) captions on videos
38. 38.🔍 Which is the odd one out? (a) text that can grow (b) icons with no labels (c) tiny tap areas (d) sudden loud sounds
39. 39.Which of these makes the app harder to use? (a) labels on every icon (b) colour as the only clue (c) captions on videos (d) text that can grow
40. 40.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Menu: 22 px
    Title: 17 px
    Body text: 24 px
    Footer: 10 px (a) Menu (b) Body text (c) Title (d) Footer

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