App Dev Worksheet: Accessibility

App development lesson 13: Accessibility · Set 486 · 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) icons with no labels (b) tiny tap areas (c) labels on every icon (d) sudden loud sounds
2. 2.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
   Footer: 20 px
   Caption: 18 px
   Menu: 12 px (a) Caption (b) Footer (c) Menu
3. 3.🔍 Which is the odd one out? (a) fast-flashing lights (b) big touch targets (c) tiny tap areas (d) icons with no labels
4. 4.True or false: “strong colour contrast” helps everyone use the app. (a) False (b) True
5. 5.🔍 Which is the odd one out? (a) labels on every icon (b) colour as the only clue (c) strong colour contrast (d) captions on videos
6. 6.Which of these makes the app harder to use? (a) labels on every icon (b) strong colour contrast (c) text that can grow (d) sudden loud sounds
7. 7.Which of these helps everyone use the app? (a) fast-flashing lights (b) captions on videos (c) colour as the only clue (d) tiny tap areas
8. 8.♿ A screen has 10 icon buttons. Only 7 of them have a text label for screen readers. How many still need a label?
9. 9.🔍 Which is the odd one out? (a) strong colour contrast (b) icons with no labels (c) colour as the only clue (d) fast-flashing lights
10. 10.True or false: “fast-flashing lights” makes the app harder to use. (a) False (b) True
11. 11.♿ Does this help everyone, or make the app harder to use: captions on videos? (a) makes it harder (b) helps everyone
12. 12.🔍 Which is the odd one out? (a) tiny tap areas (b) icons with no labels (c) captions on videos (d) sudden loud sounds
13. 13.♿ A screen has 11 icon buttons. Only 1 of them have a text label for screen readers. How many still need a label?
14. 14.Which of these makes the app harder to use? (a) colour as the only clue (b) strong colour contrast (c) text that can grow (d) labels on every icon
15. 15.♿ A screen has 7 icon buttons. Only 3 of them have a text label for screen readers. How many still need a label?
16. 16.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
    Caption: 11 px
    Hint: 16 px
    Title: 24 px
    Body text: 22 px
17. 17.♿ What does a screen reader do? (a) makes text tiny (b) plays music (c) takes photos (d) reads the screen aloud
18. 18.True or false: “icons with no labels” makes the app harder to use. (a) True (b) False
19. 19.True or false: “tiny tap areas” helps everyone use the app. (a) True (b) False
20. 20.♿ What should every icon-only button have for screen readers? (a) a long animation (b) a text label (c) a sound (d) a bright colour
21. 21.♿ A screen has 5 icon buttons. Only 3 of them have a text label for screen readers. How many still need a label?
22. 22.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
    Label: 17 px
    Footer: 21 px
    Title: 20 px
    Menu: 13 px
23. 23.🔍 Which is the odd one out? (a) text that can grow (b) labels on every icon (c) fast-flashing lights (d) strong colour contrast
24. 24.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Footer: 22 px
    Caption: 19 px
    Hint: 11 px
    Label: 19 px (a) Hint (b) Label (c) Footer (d) Caption
25. 25.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Label: 27 px
    Hint: 19 px
    Body text: 11 px
    Menu: 21 px
    Title: 17 px (a) Menu (b) Hint (c) Body text (d) Label
26. 26.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
    Menu: 14 px
    Caption: 21 px
    Title: 21 px
27. 27.🔍 Which is the odd one out? (a) captions on videos (b) sudden loud sounds (c) strong colour contrast (d) big touch targets
28. 28.♿ Does this help everyone, or make the app harder to use: colour as the only clue? (a) makes it harder (b) helps everyone
29. 29.Which of these helps everyone use the app? (a) big touch targets (b) tiny tap areas (c) fast-flashing lights (d) icons with no labels
30. 30.True or false: “colour as the only clue” helps everyone use the app. (a) True (b) False
31. 31.♿ Accessibility means an app works for ___. (a) everyone (b) nobody (c) only experts (d) only the coder
32. 32.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
    Hint: 23 px
    Title: 22 px
    Body text: 23 px
    Menu: 21 px
    Label: 21 px
33. 33.🔍 Which is the odd one out? (a) strong colour contrast (b) big touch targets (c) tiny tap areas (d) text that can grow
34. 34.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Caption: 28 px
    Title: 21 px
    Body text: 9 px
    Label: 27 px (a) Caption (b) Label (c) Title (d) Body text
35. 35.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Body text: 28 px
    Title: 19 px
    Caption: 19 px
    Label: 20 px
    Hint: 14 px (a) Caption (b) Hint (c) Title (d) Body text
36. 36.♿ A screen has 11 icon buttons. Only 6 of them have a text label for screen readers. How many still need a label?
37. 37.♿ A screen has 7 icon buttons. Only 1 of them have a text label for screen readers. How many still need a label?
38. 38.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Title: 26 px
    Body text: 12 px
    Hint: 27 px (a) Title (b) Body text (c) Hint
39. 39.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
    Hint: 17 px
    Title: 12 px
    Menu: 11 px
    Label: 20 px
    Footer: 17 px
40. 40.♿ Why add captions to videos? (a) to slow them down (b) to hide the sound (c) so anyone can follow (d) to add colour

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