App Dev Worksheet: Accessibility

App development lesson 13: Accessibility · Set 675 · 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.♿ Accessibility means an app works for ___. (a) only the coder (b) everyone (c) only experts (d) nobody
2. 2.True or false: “labels on every icon” makes the app harder to use. (a) True (b) False
3. 3.♿ A screen has 8 icon buttons. Only 2 of them have a text label for screen readers. How many still need a label?
4. 4.♿ A screen has 12 icon buttons. Only 1 of them have a text label for screen readers. How many still need a label?
5. 5.♿ Does this help everyone, or make the app harder to use: tiny tap areas? (a) helps everyone (b) makes it harder
6. 6.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
   Hint: 23 px
   Footer: 14 px
   Title: 24 px
7. 7.🔍 Which is the odd one out? (a) fast-flashing lights (b) text that can grow (c) tiny tap areas (d) colour as the only clue
8. 8.Which of these helps everyone use the app? (a) sudden loud sounds (b) captions on videos (c) icons with no labels (d) fast-flashing lights
9. 9.🔍 Which is the odd one out? (a) labels on every icon (b) strong colour contrast (c) big touch targets (d) tiny tap areas
10. 10.♿ A screen has 12 icon buttons. Only 2 of them have a text label for screen readers. How many still need a label?
11. 11.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Title: 16 px
    Menu: 26 px
    Caption: 11 px
    Footer: 18 px (a) Caption (b) Menu (c) Footer (d) Title
12. 12.True or false: “captions on videos” makes the app harder to use. (a) False (b) True
13. 13.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
    Label: 23 px
    Title: 18 px
    Caption: 10 px
    Hint: 17 px
    Body text: 19 px
14. 14.True or false: “text that can grow” helps everyone use the app. (a) False (b) True
15. 15.♿ Does this help everyone, or make the app harder to use: icons with no labels? (a) helps everyone (b) makes it harder
16. 16.♿ What should every icon-only button have for screen readers? (a) a bright colour (b) a long animation (c) a sound (d) a text label
17. 17.♿ A screen has 6 icon buttons. Only 1 of them have a text label for screen readers. How many still need a label?
18. 18.♿ A screen has 5 icon buttons. Only 2 of them have a text label for screen readers. How many still need a label?
19. 19.Which of these makes the app harder to use? (a) captions on videos (b) text that can grow (c) labels on every icon (d) sudden loud sounds
20. 20.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
    Label: 13 px
    Menu: 18 px
    Caption: 10 px
    Title: 11 px
21. 21.🔍 Which is the odd one out? (a) tiny tap areas (b) sudden loud sounds (c) fast-flashing lights (d) captions on videos
22. 22.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
    Title: 16 px
    Menu: 18 px
    Hint: 16 px
    Caption: 23 px
    Footer: 22 px
23. 23.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Body text: 24 px
    Menu: 27 px
    Hint: 25 px
    Footer: 23 px
    Title: 13 px (a) Menu (b) Body text (c) Title (d) Hint
24. 24.♿ A screen has 7 icon buttons. Only 1 of them have a text label for screen readers. How many still need a label?
25. 25.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
    Caption: 19 px
    Menu: 23 px
    Title: 22 px
26. 26.True or false: “captions on videos” helps everyone use the app. (a) True (b) False
27. 27.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
    Hint: 15 px
    Footer: 17 px
    Label: 22 px
    Body text: 19 px
28. 28.♿ A screen has 5 icon buttons. Only 1 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: captions on videos? (a) helps everyone (b) makes it harder
30. 30.♿ Does this help everyone, or make the app harder to use: labels on every icon? (a) makes it harder (b) helps everyone
31. 31.♿ What does a screen reader do? (a) plays music (b) reads the screen aloud (c) takes photos (d) makes text tiny
32. 32.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Menu: 27 px
    Body text: 28 px
    Title: 10 px
    Footer: 28 px
    Label: 28 px (a) Body text (b) Title (c) Footer (d) Menu
33. 33.♿ Does this help everyone, or make the app harder to use: text that can grow? (a) helps everyone (b) makes it harder
34. 34.♿ Showing right or wrong only in red and green is a problem for ___. (a) the battery (b) colour-blind users (c) the server (d) fast typists
35. 35.🔍 Which is the odd one out? (a) labels on every icon (b) text that can grow (c) big touch targets (d) fast-flashing lights
36. 36.Which of these helps everyone use the app? (a) text that can grow (b) tiny tap areas (c) sudden loud sounds (d) colour as the only clue
37. 37.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Menu: 14 px
    Label: 17 px
    Hint: 21 px (a) Label (b) Menu (c) Hint
38. 38.♿ Why add captions to videos? (a) so anyone can follow (b) to add colour (c) to hide the sound (d) to slow them down
39. 39.Which of these helps everyone use the app? (a) labels on every icon (b) tiny tap areas (c) colour as the only clue (d) fast-flashing lights
40. 40.🔍 Which is the odd one out? (a) colour as the only clue (b) labels on every icon (c) tiny tap areas (d) sudden loud sounds

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