App Dev Worksheet: Accessibility

App development lesson 13: Accessibility · Set 738 · 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) colour as the only clue (b) labels on every icon (c) text that can grow (d) big touch targets
2. 2.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
   Label: 15 px
   Menu: 24 px
   Body text: 21 px
   Title: 17 px
3. 3.🔍 Which is the odd one out? (a) tiny tap areas (b) colour as the only clue (c) icons with no labels (d) captions on videos
4. 4.🔍 Which is the odd one out? (a) strong colour contrast (b) labels on every icon (c) big touch targets (d) fast-flashing lights
5. 5.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
   Caption: 20 px
   Footer: 23 px
   Body text: 12 px
   Label: 21 px
   Menu: 16 px (a) Footer (b) Caption (c) Label (d) Body text
6. 6.Which of these makes the app harder to use? (a) text that can grow (b) strong colour contrast (c) fast-flashing lights (d) big touch targets
7. 7.True or false: “fast-flashing lights” makes the app harder to use. (a) True (b) False
8. 8.🔍 Which is the odd one out? (a) sudden loud sounds (b) labels on every icon (c) icons with no labels (d) colour as the only clue
9. 9.♿ Showing right or wrong only in red and green is a problem for ___. (a) fast typists (b) the server (c) colour-blind users (d) the battery
10. 10.♿ Does this help everyone, or make the app harder to use: captions on videos? (a) makes it harder (b) helps everyone
11. 11.♿ What does a screen reader do? (a) reads the screen aloud (b) takes photos (c) plays music (d) makes text tiny
12. 12.🔍 Which is the odd one out? (a) sudden loud sounds (b) strong colour contrast (c) icons with no labels (d) fast-flashing lights
13. 13.♿ A screen has 9 icon buttons. Only 7 of them have a text label for screen readers. How many still need a label?
14. 14.🔍 Which is the odd one out? (a) tiny tap areas (b) fast-flashing lights (c) icons with no labels (d) big touch targets
15. 15.Which of these helps everyone use the app? (a) captions on videos (b) fast-flashing lights (c) sudden loud sounds (d) tiny tap areas
16. 16.♿ A screen has 8 icon buttons. Only 7 of them have a text label for screen readers. How many still need a label?
17. 17.♿ What should every icon-only button have for screen readers? (a) a sound (b) a bright colour (c) a text label (d) a long animation
18. 18.♿ Does this help everyone, or make the app harder to use: fast-flashing lights? (a) helps everyone (b) makes it harder
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?
    Caption: 25 px
    Hint: 26 px
    Menu: 14 px (a) Hint (b) Menu (c) Caption
21. 21.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
    Title: 18 px
    Footer: 11 px
    Menu: 10 px
    Caption: 13 px
    Hint: 12 px
22. 22.♿ A screen has 6 icon buttons. Only 5 of them have a text label for screen readers. How many still need a label?
23. 23.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
    Body text: 14 px
    Menu: 23 px
    Title: 17 px
    Hint: 16 px
24. 24.♿ Why add captions to videos? (a) to slow them down (b) to hide the sound (c) to add colour (d) so anyone can follow
25. 25.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Footer: 23 px
    Title: 24 px
    Body text: 16 px
    Label: 12 px
    Hint: 24 px (a) Title (b) Footer (c) Label (d) Body text
26. 26.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
    Label: 21 px
    Menu: 22 px
    Title: 16 px
    Footer: 14 px
    Body text: 11 px
27. 27.♿ Does this help everyone, or make the app harder to use: strong colour contrast? (a) helps everyone (b) makes it harder
28. 28.♿ A screen has 5 icon buttons. Only 3 of them have a text label for screen readers. How many still need a label?
29. 29.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Footer: 12 px
    Hint: 23 px
    Caption: 19 px
    Label: 24 px (a) Caption (b) Label (c) Footer (d) Hint
30. 30.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Hint: 12 px
    Title: 17 px
    Footer: 27 px
    Body text: 28 px (a) Hint (b) Footer (c) Body text (d) Title
31. 31.🔍 Which is the odd one out? (a) colour as the only clue (b) text that can grow (c) tiny tap areas (d) fast-flashing lights
32. 32.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Caption: 10 px
    Title: 21 px
    Menu: 22 px (a) Caption (b) Menu (c) Title
33. 33.True or false: “sudden loud sounds” helps everyone use the app. (a) True (b) False
34. 34.♿ Does this help everyone, or make the app harder to use: big touch targets? (a) helps everyone (b) makes it harder
35. 35.True or false: “text that can grow” helps everyone use the app. (a) False (b) True
36. 36.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Label: 12 px
    Body text: 17 px
    Title: 21 px (a) Title (b) Body text (c) Label
37. 37.♿ A screen has 8 icon buttons. Only 6 of them have a text label for screen readers. How many still need a label?
38. 38.♿ Does this help everyone, or make the app harder to use: colour as the only clue? (a) makes it harder (b) helps everyone
39. 39.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
    Menu: 10 px
    Footer: 11 px
    Label: 19 px
40. 40.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Hint: 23 px
    Footer: 11 px
    Label: 27 px (a) Label (b) Footer (c) Hint

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