App Dev Worksheet: Accessibility

App development lesson 13: Accessibility · Set 838 · 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.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
   Title: 21 px
   Body text: 10 px
   Caption: 20 px (a) Caption (b) Body text (c) Title
2. 2.True or false: “sudden loud sounds” helps everyone use the app. (a) True (b) False
3. 3.♿ Does this help everyone, or make the app harder to use: captions on videos? (a) helps everyone (b) makes it harder
4. 4.True or false: “tiny tap areas” helps everyone use the app. (a) False (b) True
5. 5.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
   Label: 11 px
   Caption: 24 px
   Footer: 21 px (a) Caption (b) Footer (c) Label
6. 6.True or false: “text that can grow” helps everyone use the app. (a) False (b) True
7. 7.♿ Does this help everyone, or make the app harder to use: sudden loud sounds? (a) helps everyone (b) makes it harder
8. 8.Which of these makes the app harder to use? (a) strong colour contrast (b) captions on videos (c) text that can grow (d) colour as the only clue
9. 9.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
   Footer: 16 px
   Label: 16 px
   Body text: 11 px
   Title: 20 px
   Hint: 17 px
10. 10.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
    Title: 22 px
    Hint: 24 px
    Menu: 18 px
11. 11.♿ Why add captions to videos? (a) to slow them down (b) to hide the sound (c) so anyone can follow (d) to add colour
12. 12.Which of these helps everyone use the app? (a) fast-flashing lights (b) sudden loud sounds (c) colour as the only clue (d) labels on every icon
13. 13.True or false: “labels on every icon” makes the app harder to use. (a) True (b) False
14. 14.♿ A screen has 10 icon buttons. Only 6 of them have a text label for screen readers. How many still need a label?
15. 15.🔍 Which is the odd one out? (a) tiny tap areas (b) captions on videos (c) strong colour contrast (d) labels on every icon
16. 16.♿ Accessibility means an app works for ___. (a) everyone (b) only experts (c) only the coder (d) nobody
17. 17.True or false: “tiny tap areas” makes the app harder to use. (a) True (b) False
18. 18.True or false: “colour as the only clue” helps everyone use the app. (a) False (b) True
19. 19.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Body text: 22 px
    Label: 18 px
    Title: 13 px
    Footer: 22 px
    Hint: 20 px (a) Footer (b) Body text (c) Label (d) Title
20. 20.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Menu: 18 px
    Footer: 24 px
    Label: 19 px
    Caption: 16 px
    Title: 13 px (a) Footer (b) Label (c) Title (d) Menu
21. 21.Which of these helps everyone use the app? (a) colour as the only clue (b) captions on videos (c) fast-flashing lights (d) sudden loud sounds
22. 22.♿ A screen has 7 icon buttons. Only 4 of them have a text label for screen readers. How many still need a label?
23. 23.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Menu: 17 px
    Hint: 26 px
    Label: 19 px
    Footer: 9 px
    Caption: 18 px (a) Label (b) Hint (c) Footer (d) Menu
24. 24.🔍 Which is the odd one out? (a) sudden loud sounds (b) big touch targets (c) colour as the only clue (d) fast-flashing lights
25. 25.🔍 Which is the odd one out? (a) text that can grow (b) strong colour contrast (c) icons with no labels (d) big touch targets
26. 26.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Hint: 28 px
    Footer: 27 px
    Body text: 16 px
    Menu: 14 px (a) Body text (b) Hint (c) Footer (d) Menu
27. 27.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
    Title: 15 px
    Body text: 15 px
    Footer: 10 px
28. 28.♿ 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
29. 29.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
    Title: 21 px
    Menu: 17 px
    Label: 20 px
    Hint: 18 px
    Caption: 20 px
30. 30.♿ What does a screen reader do? (a) plays music (b) takes photos (c) makes text tiny (d) reads the screen aloud
31. 31.True or false: “captions on videos” makes the app harder to use. (a) True (b) False
32. 32.♿ Does this help everyone, or make the app harder to use: tiny tap areas? (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?
    Hint: 17 px
    Caption: 17 px
    Title: 28 px
    Body text: 13 px (a) Body text (b) Title (c) Caption (d) Hint
34. 34.Which of these helps everyone use the app? (a) strong colour contrast (b) colour as the only clue (c) sudden loud sounds (d) icons with no labels
35. 35.True or false: “big touch targets” helps everyone use the app. (a) True (b) False
36. 36.Which of these makes the app harder to use? (a) big touch targets (b) text that can grow (c) icons with no labels (d) labels on every icon
37. 37.🔍 Which is the odd one out? (a) text that can grow (b) fast-flashing lights (c) tiny tap areas (d) colour as the only clue
38. 38.♿ A screen has 12 icon buttons. Only 2 of them have a text label for screen readers. How many still need a label?
39. 39.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
    Hint: 22 px
    Menu: 17 px
    Footer: 21 px
    Label: 15 px
40. 40.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Title: 27 px
    Hint: 13 px
    Caption: 18 px (a) Caption (b) Hint (c) Title

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