App Dev Worksheet: Accessibility

App development lesson 13: Accessibility · Set 677 · 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) big touch targets (b) text that can grow (c) tiny tap areas (d) strong colour contrast
2. 2.♿ Does this help everyone, or make the app harder to use: labels on every icon? (a) makes it harder (b) helps everyone
3. 3.True or false: “big touch targets” helps everyone use the app. (a) True (b) False
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?
   Footer: 27 px
   Title: 16 px
   Label: 14 px
   Menu: 21 px
   Hint: 16 px (a) Footer (b) Menu (c) Label (d) Title
6. 6.♿ What does a screen reader do? (a) makes text tiny (b) reads the screen aloud (c) takes photos (d) plays music
7. 7.♿ A screen has 6 icon buttons. Only 4 of them have a text label for screen readers. How many still need a label?
8. 8.True or false: “labels on every icon” makes the app harder to use. (a) True (b) False
9. 9.♿ Does this help everyone, or make the app harder to use: sudden loud sounds? (a) helps everyone (b) makes it harder
10. 10.♿ A screen has 9 icon buttons. Only 8 of them have a text label for screen readers. How many still need a label?
11. 11.Which of these makes the app harder to use? (a) icons with no labels (b) big touch targets (c) strong colour contrast (d) text that can grow
12. 12.♿ Why add captions to videos? (a) so anyone can follow (b) to slow them down (c) to add colour (d) to hide the sound
13. 13.Which of these helps everyone use the app? (a) colour as the only clue (b) fast-flashing lights (c) icons with no labels (d) labels on every icon
14. 14.True or false: “tiny tap areas” makes the app harder to use. (a) True (b) False
15. 15.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
    Body text: 13 px
    Footer: 10 px
    Caption: 10 px
    Hint: 23 px
    Menu: 20 px
16. 16.♿ A screen has 10 icon buttons. Only 2 of them have a text label for screen readers. How many still need a label?
17. 17.🔍 Which is the odd one out? (a) tiny tap areas (b) colour as the only clue (c) text that can grow (d) icons with no labels
18. 18.♿ A screen has 10 icon buttons. Only 6 of them have a text label for screen readers. How many still need a label?
19. 19.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Caption: 20 px
    Title: 28 px
    Footer: 11 px
    Body text: 20 px (a) Caption (b) Body text (c) Title (d) Footer
20. 20.True or false: “sudden loud sounds” helps everyone use the app. (a) True (b) False
21. 21.🔍 Which is the odd one out? (a) text that can grow (b) labels on every icon (c) fast-flashing lights (d) big touch targets
22. 22.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Body text: 16 px
    Label: 18 px
    Title: 10 px
    Caption: 20 px (a) Title (b) Label (c) Body text (d) Caption
23. 23.🔍 Which is the odd one out? (a) sudden loud sounds (b) colour as the only clue (c) icons with no labels (d) big touch targets
24. 24.Which of these helps everyone use the app? (a) sudden loud sounds (b) fast-flashing lights (c) big touch targets (d) colour as the only clue
25. 25.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Title: 28 px
    Hint: 13 px
    Body text: 18 px (a) Title (b) Hint (c) Body text
26. 26.♿ A screen has 5 icon buttons. Only 3 of them have a text label for screen readers. How many still need a label?
27. 27.♿ What should every icon-only button have for screen readers? (a) a long animation (b) a bright colour (c) a sound (d) a text label
28. 28.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
    Body text: 21 px
    Footer: 19 px
    Menu: 22 px
    Hint: 13 px
29. 29.Which of these makes the app harder to use? (a) text that can grow (b) sudden loud sounds (c) strong colour contrast (d) big touch targets
30. 30.♿ Does this help everyone, or make the app harder to use: big touch targets? (a) makes it harder (b) helps everyone
31. 31.♿ A screen has 10 icon buttons. Only 4 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. Which text on this screen is too small?
    Body text: 26 px
    Title: 18 px
    Menu: 10 px (a) Menu (b) Body text (c) Title
33. 33.True or false: “strong colour contrast” helps everyone use the app. (a) False (b) True
34. 34.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
    Caption: 18 px
    Hint: 13 px
    Title: 21 px
    Body text: 21 px
35. 35.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Label: 22 px
    Body text: 12 px
    Title: 27 px (a) Body text (b) Label (c) Title
36. 36.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
    Title: 11 px
    Footer: 10 px
    Body text: 15 px
    Caption: 16 px
37. 37.🔍 Which is the odd one out? (a) captions on videos (b) colour as the only clue (c) fast-flashing lights (d) tiny tap areas
38. 38.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
    Label: 21 px
    Menu: 24 px
    Hint: 13 px
    Title: 19 px
39. 39.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
    Body text: 15 px
    Hint: 12 px
    Footer: 13 px
40. 40.♿ A screen has 6 icon buttons. Only 1 of them have a text label for screen readers. How many still need a label?

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