App Dev Worksheet: Accessibility

App development lesson 13: Accessibility · Set 697 · 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. How many texts on this screen are too small?
   Label: 18 px
   Caption: 13 px
   Title: 19 px
2. 2.Which of these makes the app harder to use? (a) colour as the only clue (b) big touch targets (c) text that can grow (d) strong colour contrast
3. 3.🔍 Which is the odd one out? (a) colour as the only clue (b) fast-flashing lights (c) tiny tap areas (d) strong colour contrast
4. 4.♿ Accessibility means an app works for ___. (a) everyone (b) nobody (c) only the coder (d) only experts
5. 5.Which of these makes the app harder to use? (a) captions on videos (b) strong colour contrast (c) sudden loud sounds (d) text that can grow
6. 6.♿ A screen has 6 icon buttons. Only 3 of them have a text label for screen readers. How many still need a label?
7. 7.True or false: “labels on every icon” makes the app harder to use. (a) True (b) False
8. 8.True or false: “strong colour contrast” helps everyone use the app. (a) True (b) False
9. 9.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
   Title: 11 px
   Menu: 24 px
   Caption: 18 px
10. 10.True or false: “icons with no labels” helps everyone use the app. (a) False (b) True
11. 11.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Title: 18 px
    Footer: 22 px
    Caption: 11 px
    Label: 18 px (a) Footer (b) Title (c) Caption (d) Label
12. 12.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
    Footer: 13 px
    Menu: 19 px
    Body text: 17 px
    Label: 12 px
    Title: 23 px
13. 13.Which of these helps everyone use the app? (a) strong colour contrast (b) fast-flashing lights (c) icons with no labels (d) tiny tap areas
14. 14.♿ A screen has 8 icon buttons. Only 2 of them have a text label for screen readers. How many still need a label?
15. 15.Which of these helps everyone use the app? (a) fast-flashing lights (b) labels on every icon (c) icons with no labels (d) tiny tap areas
16. 16.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
    Caption: 16 px
    Title: 11 px
    Hint: 15 px
    Label: 23 px
17. 17.Which of these makes the app harder to use? (a) strong colour contrast (b) labels on every icon (c) fast-flashing lights (d) big touch targets
18. 18.♿ Does this help everyone, or make the app harder to use: fast-flashing lights? (a) helps everyone (b) makes it harder
19. 19.♿ A screen has 7 icon buttons. Only 2 of them have a text label for screen readers. How many still need a label?
20. 20.♿ Why add captions to videos? (a) to slow them down (b) to hide the sound (c) so anyone can follow (d) to add colour
21. 21.♿ Does this help everyone, or make the app harder to use: big touch targets? (a) helps everyone (b) makes it harder
22. 22.♿ Showing right or wrong only in red and green is a problem for ___. (a) colour-blind users (b) the battery (c) fast typists (d) the server
23. 23.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Footer: 14 px
    Title: 22 px
    Caption: 16 px (a) Title (b) Caption (c) Footer
24. 24.True or false: “tiny tap areas” helps everyone use the app. (a) False (b) True
25. 25.♿ What does a screen reader do? (a) makes text tiny (b) takes photos (c) plays music (d) reads the screen aloud
26. 26.♿ A screen has 9 icon buttons. Only 7 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: text that can grow? (a) helps everyone (b) makes it harder
28. 28.True or false: “fast-flashing lights” helps everyone use the app. (a) False (b) True
29. 29.Which of these helps everyone use the app? (a) fast-flashing lights (b) sudden loud sounds (c) text that can grow (d) tiny tap areas
30. 30.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
    Menu: 13 px
    Body text: 16 px
    Caption: 19 px
31. 31.♿ A screen has 12 icon buttons. Only 2 of them have a text label for screen readers. How many still need a label?
32. 32.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
    Label: 13 px
    Body text: 20 px
    Title: 10 px
33. 33.♿ Does this help everyone, or make the app harder to use: captions on videos? (a) helps everyone (b) makes it harder
34. 34.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
    Caption: 20 px
    Footer: 18 px
    Title: 11 px
    Hint: 17 px
35. 35.Which of these helps everyone use the app? (a) icons with no labels (b) colour as the only clue (c) captions on videos (d) tiny tap areas
36. 36.♿ Does this help everyone, or make the app harder to use: sudden loud sounds? (a) helps everyone (b) makes it harder
37. 37.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
    Caption: 23 px
    Body text: 22 px
    Hint: 16 px
    Menu: 18 px
38. 38.♿ A screen has 5 icon buttons. Only 3 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. Which text on this screen is too small?
    Hint: 27 px
    Caption: 27 px
    Menu: 14 px
    Body text: 28 px
    Footer: 16 px (a) Menu (b) Body text (c) Hint (d) Caption
40. 40.True or false: “text that can grow” helps everyone use the app. (a) False (b) True

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