App Dev Worksheet: Accessibility

App development lesson 13: Accessibility · Set 362 · 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.♿ A screen has 11 icon buttons. Only 3 of them have a text label for screen readers. How many still need a label?
2. 2.Which of these helps everyone use the app? (a) icons with no labels (b) tiny tap areas (c) fast-flashing lights (d) text that can grow
3. 3.♿ Showing right or wrong only in red and green is a problem for ___. (a) the server (b) fast typists (c) colour-blind users (d) the battery
4. 4.♿ Why add captions to videos? (a) so anyone can follow (b) to slow them down (c) to add colour (d) to hide the sound
5. 5.♿ A screen has 5 icon buttons. Only 3 of them have a text label for screen readers. How many still need a label?
6. 6.🔍 Which is the odd one out? (a) text that can grow (b) big touch targets (c) labels on every icon (d) icons with no labels
7. 7.🔍 Which is the odd one out? (a) colour as the only clue (b) icons with no labels (c) text that can grow (d) tiny tap areas
8. 8.🔍 Which is the odd one out? (a) big touch targets (b) text that can grow (c) captions on videos (d) fast-flashing lights
9. 9.True or false: “labels on every icon” makes the app harder to use. (a) False (b) True
10. 10.Which of these helps everyone use the app? (a) sudden loud sounds (b) fast-flashing lights (c) big touch targets (d) tiny tap areas
11. 11.♿ A screen has 5 icon buttons. Only 1 of them have a text label for screen readers. How many still need a label?
12. 12.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Caption: 9 px
    Body text: 19 px
    Hint: 25 px (a) Hint (b) Caption (c) Body text
13. 13.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Label: 14 px
    Menu: 17 px
    Body text: 16 px
    Footer: 19 px (a) Menu (b) Footer (c) Body text (d) Label
14. 14.♿ Does this help everyone, or make the app harder to use: text that can grow? (a) makes it harder (b) helps everyone
15. 15.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
    Title: 17 px
    Footer: 23 px
    Body text: 21 px
    Caption: 16 px
    Hint: 13 px
16. 16.🔍 Which is the odd one out? (a) big touch targets (b) sudden loud sounds (c) text that can grow (d) labels on every icon
17. 17.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Label: 24 px
    Body text: 25 px
    Caption: 18 px
    Menu: 19 px
    Title: 11 px (a) Body text (b) Label (c) Title (d) Caption
18. 18.True or false: “colour as the only clue” helps everyone use the app. (a) True (b) False
19. 19.♿ A screen has 6 icon buttons. Only 5 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?
    Hint: 24 px
    Menu: 13 px
    Body text: 17 px (a) Menu (b) Body text (c) Hint
21. 21.♿ A screen has 8 icon buttons. Only 4 of them have a text label for screen readers. How many still need a label?
22. 22.🔍 Which is the odd one out? (a) fast-flashing lights (b) tiny tap areas (c) colour as the only clue (d) big touch targets
23. 23.♿ Does this help everyone, or make the app harder to use: big touch targets? (a) makes it harder (b) helps everyone
24. 24.♿ Does this help everyone, or make the app harder to use: captions on videos? (a) helps everyone (b) makes it harder
25. 25.True or false: “strong colour contrast” helps everyone use the app. (a) False (b) True
26. 26.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
    Menu: 20 px
    Body text: 11 px
    Hint: 11 px
    Title: 12 px
27. 27.🔍 Which is the odd one out? (a) labels on every icon (b) captions on videos (c) tiny tap areas (d) text that can grow
28. 28.Which of these makes the app harder to use? (a) strong colour contrast (b) icons with no labels (c) captions on videos (d) text that can grow
29. 29.True or false: “tiny tap areas” helps everyone use the app. (a) True (b) False
30. 30.♿ What should every icon-only button have for screen readers? (a) a sound (b) a text label (c) a bright colour (d) a long animation
31. 31.True or false: “captions on videos” makes the app harder to use. (a) False (b) True
32. 32.True or false: “fast-flashing lights” helps everyone use the app. (a) True (b) False
33. 33.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Label: 26 px
    Menu: 25 px
    Body text: 14 px
    Footer: 28 px
    Hint: 22 px (a) Menu (b) Footer (c) Body text (d) Label
34. 34.🔍 Which is the odd one out? (a) strong colour contrast (b) captions on videos (c) colour as the only clue (d) big touch targets
35. 35.Which of these helps everyone use the app? (a) tiny tap areas (b) labels on every icon (c) fast-flashing lights (d) icons with no labels
36. 36.♿ A screen has 5 icon buttons. Only 4 of them have a text label for screen readers. How many still need a label?
37. 37.♿ A screen has 8 icon buttons. Only 5 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.♿ Does this help everyone, or make the app harder to use: fast-flashing lights? (a) helps everyone (b) makes it harder
40. 40.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Title: 21 px
    Label: 17 px
    Body text: 25 px
    Hint: 20 px
    Footer: 12 px (a) Body text (b) Title (c) Footer (d) Label

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