App Dev Worksheet: Accessibility

App development lesson 13: Accessibility · Set 656 · 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.♿ Does this help everyone, or make the app harder to use: captions on videos? (a) makes it harder (b) helps everyone
2. 2.Which of these helps everyone use the app? (a) icons with no labels (b) strong colour contrast (c) tiny tap areas (d) colour as the only clue
3. 3.♿ Does this help everyone, or make the app harder to use: text that can grow? (a) makes it harder (b) helps everyone
4. 4.♿ A screen has 8 icon buttons. Only 1 of them have a text label for screen readers. How many still need a label?
5. 5.♿ A screen has 11 icon buttons. Only 2 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?
   Menu: 26 px
   Title: 11 px
   Hint: 23 px
   Body text: 19 px (a) Title (b) Hint (c) Menu (d) Body text
7. 7.True or false: “strong colour contrast” makes the app harder to use. (a) False (b) True
8. 8.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
   Menu: 13 px
   Footer: 18 px
   Caption: 26 px
   Label: 25 px (a) Caption (b) Menu (c) Footer (d) Label
9. 9.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
   Hint: 19 px
   Title: 13 px
   Body text: 28 px (a) Hint (b) Title (c) Body text
10. 10.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
    Caption: 17 px
    Title: 11 px
    Menu: 24 px
    Hint: 20 px
11. 11.True or false: “sudden loud sounds” makes the app harder to use. (a) True (b) False
12. 12.🔍 Which is the odd one out? (a) captions on videos (b) big touch targets (c) strong colour contrast (d) icons with no labels
13. 13.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
    Title: 24 px
    Body text: 20 px
    Menu: 14 px
    Hint: 14 px
14. 14.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
    Menu: 10 px
    Title: 19 px
    Label: 10 px
    Body text: 13 px
    Hint: 22 px
15. 15.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Title: 13 px
    Body text: 24 px
    Label: 23 px
    Hint: 16 px
    Footer: 25 px (a) Hint (b) Body text (c) Label (d) Title
16. 16.Which of these helps everyone use the app? (a) captions on videos (b) fast-flashing lights (c) sudden loud sounds (d) tiny tap areas
17. 17.Which of these makes the app harder to use? (a) text that can grow (b) labels on every icon (c) sudden loud sounds (d) strong colour contrast
18. 18.True or false: “tiny tap areas” makes the app harder to use. (a) False (b) True
19. 19.♿ A screen has 12 icon buttons. Only 4 of them have a text label for screen readers. How many still need a label?
20. 20.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Body text: 9 px
    Footer: 24 px
    Menu: 16 px (a) Menu (b) Body text (c) Footer
21. 21.Which of these makes the app harder to use? (a) captions on videos (b) strong colour contrast (c) fast-flashing lights (d) text that can grow
22. 22.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Title: 26 px
    Hint: 11 px
    Label: 17 px
    Menu: 26 px (a) Hint (b) Label (c) Menu (d) Title
23. 23.♿ A screen has 10 icon buttons. Only 1 of them have a text label for screen readers. How many still need a label?
24. 24.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
    Title: 18 px
    Body text: 18 px
    Hint: 20 px
    Menu: 12 px
25. 25.♿ A screen has 12 icon buttons. Only 2 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?
    Body text: 20 px
    Label: 23 px
    Title: 11 px
    Menu: 27 px
    Caption: 28 px (a) Menu (b) Title (c) Label (d) Body text
27. 27.♿ Does this help everyone, or make the app harder to use: tiny tap areas? (a) helps everyone (b) makes it harder
28. 28.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
    Caption: 17 px
    Menu: 18 px
    Label: 18 px
    Hint: 23 px
    Body text: 21 px
29. 29.♿ Why add captions to videos? (a) to add colour (b) to slow them down (c) to hide the sound (d) so anyone can follow
30. 30.♿ A screen has 9 icon buttons. Only 4 of them have a text label for screen readers. How many still need a label?
31. 31.True or false: “icons with no labels” makes the app harder to use. (a) True (b) False
32. 32.♿ Does this help everyone, or make the app harder to use: strong colour contrast? (a) makes it harder (b) helps everyone
33. 33.True or false: “labels on every icon” helps everyone use the app. (a) True (b) False
34. 34.Which of these helps everyone use the app? (a) fast-flashing lights (b) colour as the only clue (c) labels on every icon (d) icons with no labels
35. 35.♿ Does this help everyone, or make the app harder to use: big touch targets? (a) helps everyone (b) makes it harder
36. 36.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
    Hint: 16 px
    Title: 10 px
    Caption: 19 px
    Footer: 17 px
    Menu: 16 px
37. 37.♿ What does a screen reader do? (a) plays music (b) reads the screen aloud (c) takes photos (d) makes text tiny
38. 38.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
    Footer: 18 px
    Title: 21 px
    Menu: 18 px
    Body text: 18 px
39. 39.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Footer: 20 px
    Hint: 12 px
    Title: 17 px
    Caption: 17 px (a) Hint (b) Footer (c) Title (d) Caption
40. 40.♿ Does this help everyone, or make the app harder to use: fast-flashing lights? (a) makes it harder (b) helps everyone

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