App Dev Worksheet: Accessibility

App development lesson 13: Accessibility · Set 759 · 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 of these helps everyone use the app? (a) sudden loud sounds (b) fast-flashing lights (c) icons with no labels (d) strong colour contrast
2. 2.♿ What does a screen reader do? (a) plays music (b) takes photos (c) reads the screen aloud (d) makes text tiny
3. 3.♿ Accessibility means an app works for ___. (a) only the coder (b) only experts (c) nobody (d) everyone
4. 4.♿ Does this help everyone, or make the app harder to use: icons with no labels? (a) helps everyone (b) makes it harder
5. 5.🔍 Which is the odd one out? (a) captions on videos (b) big touch targets (c) icons with no labels (d) strong colour contrast
6. 6.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
   Menu: 27 px
   Caption: 26 px
   Footer: 9 px
   Body text: 22 px (a) Caption (b) Body text (c) Footer (d) Menu
7. 7.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
   Caption: 17 px
   Footer: 19 px
   Title: 22 px
   Body text: 10 px
   Label: 23 px (a) Title (b) Footer (c) Body text (d) Caption
8. 8.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
   Body text: 13 px
   Label: 21 px
   Title: 19 px
   Footer: 17 px
   Hint: 27 px (a) Footer (b) Body text (c) Title (d) Label
9. 9.♿ A screen has 9 icon buttons. Only 2 of them have a text label for screen readers. How many still need a label?
10. 10.🔍 Which is the odd one out? (a) big touch targets (b) colour as the only clue (c) captions on videos (d) text that can grow
11. 11.♿ Does this help everyone, or make the app harder to use: colour as the only clue? (a) helps everyone (b) makes it harder
12. 12.🔍 Which is the odd one out? (a) tiny tap areas (b) icons with no labels (c) captions on videos (d) colour as the only clue
13. 13.True or false: “tiny tap areas” helps everyone use the app. (a) False (b) True
14. 14.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Footer: 13 px
    Hint: 18 px
    Menu: 18 px
    Caption: 16 px (a) Menu (b) Caption (c) Hint (d) Footer
15. 15.♿ A screen has 9 icon buttons. Only 8 of them have a text label for screen readers. How many still need a label?
16. 16.True or false: “icons with no labels” makes the app harder to use. (a) False (b) True
17. 17.♿ A screen has 7 icon buttons. Only 6 of them have a text label for screen readers. How many still need a label?
18. 18.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Hint: 21 px
    Caption: 19 px
    Label: 12 px (a) Hint (b) Caption (c) Label
19. 19.🔍 Which is the odd one out? (a) captions on videos (b) labels on every icon (c) big touch targets (d) sudden loud sounds
20. 20.♿ Does this help everyone, or make the app harder to use: sudden loud sounds? (a) helps everyone (b) makes it harder
21. 21.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
    Caption: 19 px
    Hint: 23 px
    Title: 15 px
22. 22.♿ Does this help everyone, or make the app harder to use: tiny tap areas? (a) makes it harder (b) helps everyone
23. 23.♿ A screen has 8 icon buttons. Only 4 of them have a text label for screen readers. How many still need a label?
24. 24.Which of these helps everyone use the app? (a) colour as the only clue (b) tiny tap areas (c) labels on every icon (d) fast-flashing lights
25. 25.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
    Footer: 15 px
    Body text: 24 px
    Title: 17 px
    Hint: 11 px
26. 26.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Label: 22 px
    Title: 12 px
    Body text: 25 px (a) Title (b) Label (c) Body text
27. 27.♿ A screen has 10 icon buttons. Only 3 of them have a text label for screen readers. How many still need a label?
28. 28.♿ Does this help everyone, or make the app harder to use: big touch targets? (a) makes it harder (b) helps everyone
29. 29.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
    Caption: 16 px
    Body text: 23 px
    Menu: 12 px
    Footer: 22 px
    Label: 18 px
30. 30.♿ A screen has 12 icon buttons. Only 2 of them have a text label for screen readers. How many still need a label?
31. 31.♿ Why add captions to videos? (a) to slow them down (b) so anyone can follow (c) to add colour (d) to hide the sound
32. 32.♿ A screen has 10 icon buttons. Only 1 of them have a text label for screen readers. How many still need a label?
33. 33.🔍 Which is the odd one out? (a) labels on every icon (b) strong colour contrast (c) big touch targets (d) tiny tap areas
34. 34.🔍 Which is the odd one out? (a) sudden loud sounds (b) tiny tap areas (c) big touch targets (d) icons with no labels
35. 35.True or false: “labels on every icon” makes the app harder to use. (a) False (b) True
36. 36.True or false: “text that can grow” makes the app harder to use. (a) False (b) True
37. 37.♿ A screen has 6 icon buttons. Only 5 of them have a text label for screen readers. How many still need a label?
38. 38.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Menu: 10 px
    Title: 18 px
    Footer: 22 px (a) Menu (b) Footer (c) Title
39. 39.♿ Does this help everyone, or make the app harder to use: fast-flashing lights? (a) helps everyone (b) makes it harder
40. 40.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Title: 13 px
    Menu: 22 px
    Caption: 16 px
    Footer: 27 px (a) Menu (b) Footer (c) Caption (d) Title

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