App Dev Worksheet: Accessibility

App development lesson 13: Accessibility · Set 804 · 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: colour as the only clue? (a) helps everyone (b) makes it harder
2. 2.🔍 Which is the odd one out? (a) tiny tap areas (b) colour as the only clue (c) sudden loud sounds (d) captions on videos
3. 3.♿ A screen has 10 icon buttons. Only 5 of them have a text label for screen readers. How many still need a label?
4. 4.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
   Menu: 19 px
   Title: 17 px
   Caption: 10 px (a) Title (b) Menu (c) Caption
5. 5.♿ Does this help everyone, or make the app harder to use: tiny tap areas? (a) helps everyone (b) makes it harder
6. 6.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
   Footer: 13 px
   Body text: 20 px
   Title: 21 px
7. 7.True or false: “strong colour contrast” makes the app harder to use. (a) True (b) False
8. 8.♿ Accessibility means an app works for ___. (a) only experts (b) everyone (c) only the coder (d) nobody
9. 9.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
   Title: 13 px
   Label: 23 px
   Menu: 20 px
10. 10.True or false: “sudden loud sounds” makes the app harder to use. (a) False (b) True
11. 11.Which of these helps everyone use the app? (a) icons with no labels (b) fast-flashing lights (c) colour as the only clue (d) captions on videos
12. 12.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
    Footer: 12 px
    Label: 13 px
    Hint: 20 px
    Menu: 13 px
    Body text: 21 px
13. 13.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
    Title: 24 px
    Caption: 21 px
    Label: 21 px
14. 14.♿ Does this help everyone, or make the app harder to use: strong colour contrast? (a) makes it harder (b) helps everyone
15. 15.♿ Does this help everyone, or make the app harder to use: big touch targets? (a) makes it harder (b) helps everyone
16. 16.Which of these helps everyone use the app? (a) sudden loud sounds (b) tiny tap areas (c) labels on every icon (d) colour as the only clue
17. 17.🔍 Which is the odd one out? (a) icons with no labels (b) tiny tap areas (c) strong colour contrast (d) colour as the only clue
18. 18.♿ Why add captions to videos? (a) to add colour (b) to hide the sound (c) so anyone can follow (d) to slow them down
19. 19.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
    Caption: 11 px
    Footer: 22 px
    Body text: 21 px
    Menu: 11 px
20. 20.True or false: “text that can grow” makes the app harder to use. (a) True (b) False
21. 21.True or false: “text that can grow” helps everyone use the app. (a) True (b) False
22. 22.♿ What does a screen reader do? (a) plays music (b) makes text tiny (c) takes photos (d) reads the screen aloud
23. 23.🔍 Which is the odd one out? (a) text that can grow (b) sudden loud sounds (c) labels on every icon (d) strong colour contrast
24. 24.♿ Does this help everyone, or make the app harder to use: labels on every icon? (a) helps everyone (b) makes it harder
25. 25.🔍 Which is the odd one out? (a) labels on every icon (b) fast-flashing lights (c) captions on videos (d) text that can grow
26. 26.Which of these makes the app harder to use? (a) captions on videos (b) labels on every icon (c) text that can grow (d) fast-flashing lights
27. 27.🔍 Which is the odd one out? (a) big touch targets (b) tiny tap areas (c) colour as the only clue (d) sudden loud sounds
28. 28.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Hint: 21 px
    Caption: 17 px
    Title: 10 px (a) Caption (b) Title (c) Hint
29. 29.♿ A screen has 8 icon buttons. Only 4 of them have a text label for screen readers. How many still need a label?
30. 30.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
    Title: 15 px
    Hint: 12 px
    Footer: 18 px
    Body text: 23 px
    Caption: 17 px
31. 31.True or false: “tiny tap areas” makes the app harder to use. (a) True (b) False
32. 32.True or false: “colour as the only clue” makes the app harder to use. (a) False (b) True
33. 33.♿ A screen has 11 icon buttons. Only 3 of them have a text label for screen readers. How many still need a label?
34. 34.Which of these makes the app harder to use? (a) strong colour contrast (b) text that can grow (c) captions on videos (d) icons with no labels
35. 35.♿ A screen has 6 icon buttons. Only 3 of them have a text label for screen readers. How many still need a label?
36. 36.♿ A screen has 12 icon buttons. Only 9 of them have a text label for screen readers. How many still need a label?
37. 37.True or false: “labels on every icon” helps everyone use the app. (a) True (b) False
38. 38.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
    Body text: 11 px
    Menu: 24 px
    Title: 14 px
    Caption: 15 px
39. 39.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Title: 26 px
    Body text: 17 px
    Label: 13 px (a) Label (b) Body text (c) Title
40. 40.♿ A screen has 10 icon buttons. Only 7 of them have a text label for screen readers. How many still need a label?

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