App Dev Worksheet: Accessibility

App development lesson 13: Accessibility · Set 196 · 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 is the odd one out? (a) fast-flashing lights (b) icons with no labels (c) text that can grow (d) tiny tap areas
2. 2.♿ What does a screen reader do? (a) takes photos (b) plays music (c) makes text tiny (d) reads the screen aloud
3. 3.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
   Body text: 12 px
   Label: 24 px
   Title: 24 px
   Hint: 22 px
   Footer: 26 px (a) Label (b) Title (c) Hint (d) Body text
4. 4.True or false: “text that can grow” makes the app harder to use. (a) True (b) False
5. 5.🔍 Which is the odd one out? (a) text that can grow (b) tiny tap areas (c) labels on every icon (d) strong colour contrast
6. 6.♿ A screen has 5 icon buttons. Only 2 of them have a text label for screen readers. How many still need a label?
7. 7.♿ A screen has 12 icon buttons. Only 1 of them have a text label for screen readers. How many still need a label?
8. 8.♿ A screen has 12 icon buttons. Only 2 of them have a text label for screen readers. How many still need a label?
9. 9.♿ Why add captions to videos? (a) to hide the sound (b) so anyone can follow (c) to add colour (d) to slow them down
10. 10.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Label: 21 px
    Body text: 14 px
    Title: 25 px (a) Label (b) Body text (c) Title
11. 11.True or false: “icons with no labels” helps everyone use the app. (a) True (b) False
12. 12.True or false: “sudden loud sounds” helps everyone use the app. (a) True (b) False
13. 13.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
    Label: 10 px
    Body text: 18 px
    Footer: 15 px
    Hint: 24 px
    Menu: 11 px
14. 14.Which of these helps everyone use the app? (a) sudden loud sounds (b) big touch targets (c) colour as the only clue (d) fast-flashing lights
15. 15.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
    Footer: 14 px
    Body text: 13 px
    Title: 10 px
    Label: 22 px
    Caption: 14 px
16. 16.♿ A screen has 9 icon buttons. Only 7 of them have a text label for screen readers. How many still need a label?
17. 17.🔍 Which is the odd one out? (a) captions on videos (b) strong colour contrast (c) sudden loud sounds (d) text that can grow
18. 18.♿ Does this help everyone, or make the app harder to use: colour as the only clue? (a) helps everyone (b) makes it harder
19. 19.Which of these makes the app harder to use? (a) colour as the only clue (b) captions on videos (c) text that can grow (d) strong colour contrast
20. 20.True or false: “fast-flashing lights” makes the app harder to use. (a) True (b) False
21. 21.♿ A screen has 12 icon buttons. Only 11 of them have a text label for screen readers. How many still need a label?
22. 22.Which of these helps everyone use the app? (a) colour as the only clue (b) fast-flashing lights (c) labels on every icon (d) tiny tap areas
23. 23.True or false: “big touch targets” helps everyone use the app. (a) True (b) False
24. 24.♿ A screen has 9 icon buttons. Only 5 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?
    Body text: 22 px
    Title: 15 px
    Label: 17 px
    Caption: 17 px
    Menu: 24 px
26. 26.True or false: “strong colour contrast” makes the app harder to use. (a) True (b) False
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.♿ What should every icon-only button have for screen readers? (a) a sound (b) a long animation (c) a text label (d) a bright colour
29. 29.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Footer: 13 px
    Menu: 22 px
    Title: 21 px
    Hint: 18 px (a) Hint (b) Title (c) Menu (d) Footer
30. 30.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Title: 21 px
    Body text: 28 px
    Menu: 10 px
    Footer: 21 px (a) Footer (b) Title (c) Menu (d) Body text
31. 31.♿ Does this help everyone, or make the app harder to use: labels on every icon? (a) helps everyone (b) makes it harder
32. 32.♿ Does this help everyone, or make the app harder to use: icons with no labels? (a) makes it harder (b) helps everyone
33. 33.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Caption: 21 px
    Menu: 13 px
    Title: 18 px
    Hint: 21 px
    Footer: 18 px (a) Menu (b) Hint (c) Title (d) Caption
34. 34.Which of these helps everyone use the app? (a) icons with no labels (b) colour as the only clue (c) captions on videos (d) tiny tap areas
35. 35.🔍 Which is the odd one out? (a) colour as the only clue (b) sudden loud sounds (c) icons with no labels (d) strong colour contrast
36. 36.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Caption: 28 px
    Hint: 9 px
    Body text: 23 px (a) Body text (b) Caption (c) Hint
37. 37.🔍 Which is the odd one out? (a) icons with no labels (b) fast-flashing lights (c) labels on every icon (d) sudden loud sounds
38. 38.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Title: 24 px
    Menu: 19 px
    Body text: 11 px
    Caption: 19 px
    Label: 20 px (a) Menu (b) Caption (c) Body text (d) Title
39. 39.♿ Does this help everyone, or make the app harder to use: tiny tap areas? (a) makes it harder (b) helps everyone
40. 40.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
    Label: 17 px
    Hint: 12 px
    Caption: 17 px
    Body text: 24 px

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