App Dev Worksheet: Accessibility

App development lesson 13: Accessibility · Set 262 · 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) tiny tap areas (b) fast-flashing lights (c) icons with no labels (d) big touch targets
2. 2.True or false: “captions on videos” helps everyone use the app. (a) True (b) False
3. 3.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
   Menu: 16 px
   Body text: 18 px
   Title: 14 px
   Label: 11 px
   Footer: 23 px
4. 4.♿ Does this help everyone, or make the app harder to use: sudden loud sounds? (a) makes it harder (b) helps everyone
5. 5.Which of these makes the app harder to use? (a) labels on every icon (b) colour as the only clue (c) text that can grow (d) big touch targets
6. 6.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
   Menu: 13 px
   Body text: 10 px
   Caption: 21 px
   Hint: 11 px
7. 7.♿ Accessibility means an app works for ___. (a) everyone (b) only the coder (c) only experts (d) nobody
8. 8.♿ A screen has 6 icon buttons. Only 5 of them have a text label for screen readers. How many still need a label?
9. 9.♿ Why add captions to videos? (a) to slow them down (b) so anyone can follow (c) to hide the sound (d) to add colour
10. 10.♿ Does this help everyone, or make the app harder to use: labels on every icon? (a) makes it harder (b) helps everyone
11. 11.♿ A screen has 8 icon buttons. Only 4 of them have a text label for screen readers. How many still need a label?
12. 12.Which of these helps everyone use the app? (a) sudden loud sounds (b) tiny tap areas (c) colour as the only clue (d) labels on every icon
13. 13.Which of these helps everyone use the app? (a) sudden loud sounds (b) fast-flashing lights (c) captions on videos (d) icons with no labels
14. 14.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
    Body text: 12 px
    Title: 19 px
    Caption: 15 px
15. 15.True or false: “icons with no labels” helps everyone use the app. (a) True (b) False
16. 16.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Title: 24 px
    Label: 12 px
    Hint: 16 px
    Body text: 25 px
    Footer: 27 px (a) Hint (b) Title (c) Label (d) Body text
17. 17.♿ Does this help everyone, or make the app harder to use: colour as the only clue? (a) helps everyone (b) makes it harder
18. 18.♿ A screen has 9 icon buttons. Only 8 of them have a text label for screen readers. How many still need a label?
19. 19.🔍 Which is the odd one out? (a) big touch targets (b) captions on videos (c) colour as the only clue (d) labels on every icon
20. 20.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Body text: 20 px
    Footer: 19 px
    Title: 17 px
    Menu: 14 px (a) Body text (b) Footer (c) Menu (d) Title
21. 21.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Menu: 24 px
    Caption: 21 px
    Hint: 9 px (a) Menu (b) Caption (c) Hint
22. 22.♿ A screen has 9 icon buttons. Only 3 of them have a text label for screen readers. How many still need a label?
23. 23.Which of these helps everyone use the app? (a) icons with no labels (b) fast-flashing lights (c) colour as the only clue (d) big touch targets
24. 24.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Hint: 21 px
    Label: 11 px
    Body text: 20 px (a) Hint (b) Label (c) Body text
25. 25.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
    Menu: 15 px
    Label: 15 px
    Hint: 14 px
    Caption: 13 px
26. 26.♿ Does this help everyone, or make the app harder to use: strong colour contrast? (a) makes it harder (b) helps everyone
27. 27.Which of these makes the app harder to use? (a) captions on videos (b) fast-flashing lights (c) strong colour contrast (d) big touch targets
28. 28.🔍 Which is the odd one out? (a) sudden loud sounds (b) captions on videos (c) big touch targets (d) strong colour contrast
29. 29.True or false: “captions on videos” makes the app harder to use. (a) False (b) True
30. 30.🔍 Which is the odd one out? (a) labels on every icon (b) tiny tap areas (c) big touch targets (d) strong colour contrast
31. 31.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
    Footer: 12 px
    Label: 19 px
    Caption: 18 px
    Menu: 11 px
32. 32.♿ What does a screen reader do? (a) takes photos (b) reads the screen aloud (c) makes text tiny (d) plays music
33. 33.🔍 Which is the odd one out? (a) tiny tap areas (b) text that can grow (c) fast-flashing lights (d) colour as the only clue
34. 34.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Caption: 17 px
    Label: 27 px
    Menu: 10 px (a) Caption (b) Label (c) Menu
35. 35.Which of these helps everyone use the app? (a) colour as the only clue (b) icons with no labels (c) sudden loud sounds (d) strong colour contrast
36. 36.♿ Does this help everyone, or make the app harder to use: big touch targets? (a) helps everyone (b) makes it harder
37. 37.♿ A screen has 7 icon buttons. Only 2 of them have a text label for screen readers. How many still need a label?
38. 38.♿ Does this help everyone, or make the app harder to use: captions on videos? (a) makes it harder (b) helps everyone
39. 39.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Hint: 24 px
    Caption: 11 px
    Body text: 17 px (a) Body text (b) Hint (c) Caption
40. 40.🔍 Which is the odd one out? (a) colour as the only clue (b) icons with no labels (c) sudden loud sounds (d) captions on videos

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