App Dev Worksheet: Accessibility

App development lesson 13: Accessibility · Set 477 · 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: big touch targets? (a) makes it harder (b) helps everyone
2. 2.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
   Footer: 19 px
   Label: 15 px
   Caption: 16 px
3. 3.🔍 Which is the odd one out? (a) colour as the only clue (b) captions on videos (c) fast-flashing lights (d) tiny tap areas
4. 4.♿ Does this help everyone, or make the app harder to use: strong colour contrast? (a) makes it harder (b) helps everyone
5. 5.Which of these makes the app harder to use? (a) captions on videos (b) icons with no labels (c) strong colour contrast (d) text that can grow
6. 6.🔍 Which is the odd one out? (a) labels on every icon (b) sudden loud sounds (c) tiny tap areas (d) colour as the only clue
7. 7.True or false: “text that can grow” makes the app harder to use. (a) True (b) False
8. 8.True or false: “captions on videos” makes the app harder to use. (a) True (b) False
9. 9.True or false: “colour as the only clue” helps everyone use the app. (a) True (b) False
10. 10.Which of these helps everyone use the app? (a) tiny tap areas (b) colour as the only clue (c) labels on every icon (d) icons with no labels
11. 11.True or false: “strong colour contrast” makes the app harder to use. (a) False (b) True
12. 12.Which of these helps everyone use the app? (a) colour as the only clue (b) sudden loud sounds (c) captions on videos (d) fast-flashing lights
13. 13.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Menu: 10 px
    Hint: 17 px
    Footer: 22 px
    Body text: 27 px
    Label: 16 px (a) Body text (b) Footer (c) Hint (d) Menu
14. 14.Which of these makes the app harder to use? (a) text that can grow (b) labels on every icon (c) tiny tap areas (d) big touch targets
15. 15.♿ 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
16. 16.♿ Does this help everyone, or make the app harder to use: sudden loud sounds? (a) makes it harder (b) helps everyone
17. 17.🔍 Which is the odd one out? (a) tiny tap areas (b) colour as the only clue (c) fast-flashing lights (d) strong colour contrast
18. 18.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
    Caption: 10 px
    Hint: 11 px
    Footer: 12 px
    Menu: 13 px
19. 19.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Body text: 23 px
    Title: 11 px
    Hint: 28 px
    Menu: 21 px (a) Hint (b) Title (c) Body text (d) Menu
20. 20.♿ Does this help everyone, or make the app harder to use: tiny tap areas? (a) helps everyone (b) makes it harder
21. 21.♿ A screen has 9 icon buttons. Only 1 of them have a text label for screen readers. How many still need a label?
22. 22.True or false: “fast-flashing lights” makes the app harder to use. (a) True (b) False
23. 23.♿ Why add captions to videos? (a) to add colour (b) to hide the sound (c) so anyone can follow (d) to slow them down
24. 24.True or false: “tiny tap areas” helps everyone use the app. (a) False (b) True
25. 25.🔍 Which is the odd one out? (a) tiny tap areas (b) text that can grow (c) icons with no labels (d) fast-flashing lights
26. 26.♿ A screen has 12 icon buttons. Only 1 of them have a text label for screen readers. How many still need a label?
27. 27.♿ Does this help everyone, or make the app harder to use: labels on every icon? (a) makes it harder (b) helps everyone
28. 28.♿ A screen has 9 icon buttons. Only 2 of them have a text label for screen readers. How many still need a label?
29. 29.True or false: “labels on every icon” makes the app harder to use. (a) True (b) False
30. 30.♿ Does this help everyone, or make the app harder to use: captions on videos? (a) makes it harder (b) helps everyone
31. 31.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
    Label: 15 px
    Menu: 17 px
    Title: 18 px
    Caption: 14 px
32. 32.Which of these helps everyone use the app? (a) fast-flashing lights (b) colour as the only clue (c) text that can grow (d) tiny tap areas
33. 33.♿ Does this help everyone, or make the app harder to use: text that can grow? (a) makes it harder (b) helps everyone
34. 34.♿ A screen has 12 icon buttons. Only 6 of them have a text label for screen readers. How many still need a label?
35. 35.🔍 Which is the odd one out? (a) captions on videos (b) text that can grow (c) labels on every icon (d) fast-flashing lights
36. 36.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Hint: 26 px
    Caption: 20 px
    Label: 11 px
    Body text: 20 px (a) Hint (b) Caption (c) Body text (d) Label
37. 37.♿ What does a screen reader do? (a) reads the screen aloud (b) plays music (c) makes text tiny (d) takes photos
38. 38.♿ A screen has 10 icon buttons. Only 6 of them have a text label for screen readers. How many still need a label?
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.🔍 Which is the odd one out? (a) big touch targets (b) text that can grow (c) icons with no labels (d) strong colour contrast

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