App Dev Worksheet: Accessibility

App development lesson 13: Accessibility · Set 285 · 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: strong colour contrast? (a) helps everyone (b) makes it harder
2. 2.♿ What does a screen reader do? (a) makes text tiny (b) takes photos (c) plays music (d) reads the screen aloud
3. 3.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
   Menu: 11 px
   Caption: 17 px
   Footer: 22 px
   Hint: 13 px
4. 4.🔍 Which is the odd one out? (a) sudden loud sounds (b) captions on videos (c) strong colour contrast (d) text that can grow
5. 5.♿ Showing right or wrong only in red and green is a problem for ___. (a) the battery (b) the server (c) colour-blind users (d) fast typists
6. 6.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
   Caption: 23 px
   Label: 21 px
   Hint: 17 px
   Menu: 17 px
   Title: 10 px (a) Label (b) Title (c) Hint (d) Caption
7. 7.♿ Accessibility means an app works for ___. (a) everyone (b) only the coder (c) only experts (d) nobody
8. 8.♿ A screen has 8 icon buttons. Only 2 of them have a text label for screen readers. How many still need a label?
9. 9.True or false: “icons with no labels” makes the app harder to use. (a) True (b) False
10. 10.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
    Title: 20 px
    Hint: 23 px
    Footer: 10 px
    Body text: 20 px
11. 11.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Hint: 13 px
    Footer: 18 px
    Caption: 19 px (a) Caption (b) Footer (c) Hint
12. 12.♿ Why add captions to videos? (a) to add colour (b) so anyone can follow (c) to hide the sound (d) to slow them down
13. 13.True or false: “big touch targets” helps everyone use the app. (a) True (b) False
14. 14.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Body text: 9 px
    Hint: 21 px
    Menu: 17 px (a) Body text (b) Menu (c) Hint
15. 15.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
    Footer: 18 px
    Caption: 12 px
    Body text: 21 px
    Label: 11 px
16. 16.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Menu: 9 px
    Footer: 24 px
    Label: 27 px
    Title: 20 px
    Caption: 26 px (a) Label (b) Footer (c) Title (d) Menu
17. 17.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
    Footer: 19 px
    Hint: 15 px
    Menu: 21 px
18. 18.♿ A screen has 12 icon buttons. Only 4 of them have a text label for screen readers. How many still need a label?
19. 19.♿ A screen has 11 icon buttons. Only 2 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: 14 px
    Caption: 26 px
    Body text: 24 px (a) Hint (b) Caption (c) Body text
21. 21.♿ Does this help everyone, or make the app harder to use: fast-flashing lights? (a) helps everyone (b) makes it harder
22. 22.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
    Title: 14 px
    Body text: 14 px
    Footer: 15 px
23. 23.🔍 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
24. 24.🔍 Which is the odd one out? (a) sudden loud sounds (b) labels on every icon (c) colour as the only clue (d) tiny tap areas
25. 25.Which of these makes the app harder to use? (a) text that can grow (b) labels on every icon (c) sudden loud sounds (d) captions on videos
26. 26.Which of these helps everyone use the app? (a) fast-flashing lights (b) tiny tap areas (c) icons with no labels (d) big touch targets
27. 27.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Title: 16 px
    Footer: 22 px
    Menu: 23 px
    Body text: 11 px (a) Menu (b) Title (c) Footer (d) Body text
28. 28.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Title: 18 px
    Hint: 9 px
    Footer: 25 px
    Body text: 21 px (a) Footer (b) Hint (c) Body text (d) Title
29. 29.♿ Does this help everyone, or make the app harder to use: captions on videos? (a) makes it harder (b) helps everyone
30. 30.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Hint: 21 px
    Title: 20 px
    Body text: 28 px
    Caption: 13 px
    Label: 26 px (a) Title (b) Body text (c) Caption (d) Hint
31. 31.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Menu: 9 px
    Label: 24 px
    Body text: 18 px (a) Menu (b) Label (c) Body text
32. 32.Which of these makes the app harder to use? (a) text that can grow (b) labels on every icon (c) tiny tap areas (d) strong colour contrast
33. 33.Which of these helps everyone use the app? (a) text that can grow (b) icons with no labels (c) sudden loud sounds (d) colour as the only clue
34. 34.True or false: “labels on every icon” makes the app harder to use. (a) True (b) False
35. 35.♿ A screen has 5 icon buttons. Only 3 of them have a text label for screen readers. How many still need a label?
36. 36.♿ What should every icon-only button have for screen readers? (a) a long animation (b) a sound (c) a text label (d) a bright colour
37. 37.Which of these helps everyone use the app? (a) colour as the only clue (b) strong colour contrast (c) tiny tap areas (d) sudden loud sounds
38. 38.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
    Hint: 11 px
    Body text: 10 px
    Menu: 24 px
39. 39.♿ A screen has 10 icon buttons. Only 2 of them have a text label for screen readers. How many still need a label?
40. 40.🔍 Which is the odd one out? (a) strong colour contrast (b) text that can grow (c) fast-flashing lights (d) labels on every icon

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