App Dev Worksheet: Accessibility

App development lesson 13: Accessibility · Set 76 · 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) text that can grow (b) colour as the only clue (c) icons with no labels (d) sudden loud sounds
2. 2.♿ Showing right or wrong only in red and green is a problem for ___. (a) the server (b) fast typists (c) the battery (d) colour-blind users
3. 3.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
   Hint: 21 px
   Menu: 22 px
   Footer: 14 px
   Title: 20 px (a) Title (b) Menu (c) Footer (d) Hint
4. 4.🔍 Which is the odd one out? (a) icons with no labels (b) labels on every icon (c) text that can grow (d) strong colour contrast
5. 5.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
   Hint: 12 px
   Title: 10 px
   Body text: 14 px
   Caption: 15 px
6. 6.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
   Hint: 28 px
   Caption: 11 px
   Title: 18 px (a) Hint (b) Title (c) Caption
7. 7.♿ Why add captions to videos? (a) so anyone can follow (b) to hide the sound (c) to add colour (d) to slow them down
8. 8.True or false: “tiny tap areas” makes the app harder to use. (a) True (b) False
9. 9.🔍 Which is the odd one out? (a) fast-flashing lights (b) captions on videos (c) colour as the only clue (d) sudden loud sounds
10. 10.♿ What does a screen reader do? (a) makes text tiny (b) takes photos (c) reads the screen aloud (d) plays music
11. 11.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Caption: 12 px
    Menu: 21 px
    Footer: 24 px (a) Menu (b) Footer (c) Caption
12. 12.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
    Footer: 18 px
    Menu: 14 px
    Title: 17 px
    Hint: 18 px
    Label: 12 px
13. 13.🔍 Which is the odd one out? (a) labels on every icon (b) sudden loud sounds (c) captions on videos (d) text that can grow
14. 14.♿ A screen has 12 icon buttons. Only 9 of them have a text label for screen readers. How many still need a label?
15. 15.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Title: 11 px
    Hint: 25 px
    Footer: 26 px
    Label: 20 px
    Menu: 23 px (a) Label (b) Footer (c) Hint (d) Title
16. 16.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Title: 21 px
    Hint: 14 px
    Footer: 19 px
    Caption: 20 px (a) Footer (b) Title (c) Caption (d) Hint
17. 17.♿ Accessibility means an app works for ___. (a) only the coder (b) everyone (c) only experts (d) nobody
18. 18.🔍 Which is the odd one out? (a) sudden loud sounds (b) icons with no labels (c) fast-flashing lights (d) labels on every icon
19. 19.True or false: “fast-flashing lights” helps everyone use the app. (a) True (b) False
20. 20.♿ A screen has 10 icon buttons. Only 3 of them have a text label for screen readers. How many still need a label?
21. 21.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Caption: 18 px
    Footer: 26 px
    Menu: 10 px (a) Footer (b) Caption (c) Menu
22. 22.🔍 Which is the odd one out? (a) strong colour contrast (b) fast-flashing lights (c) captions on videos (d) big touch targets
23. 23.Which of these helps everyone use the app? (a) labels on every icon (b) colour as the only clue (c) icons with no labels (d) tiny tap areas
24. 24.Which of these helps everyone use the app? (a) icons with no labels (b) tiny tap areas (c) strong colour contrast (d) fast-flashing lights
25. 25.♿ A screen has 11 icon buttons. Only 5 of them have a text label for screen readers. How many still need a label?
26. 26.♿ A screen has 12 icon buttons. Only 4 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: labels on every icon? (a) makes it harder (b) helps everyone
28. 28.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Hint: 24 px
    Footer: 12 px
    Menu: 28 px
    Title: 24 px
    Caption: 16 px (a) Footer (b) Menu (c) Hint (d) Title
29. 29.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Caption: 9 px
    Menu: 18 px
    Body text: 23 px
    Hint: 23 px (a) Body text (b) Menu (c) Hint (d) Caption
30. 30.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Menu: 10 px
    Title: 16 px
    Footer: 21 px (a) Title (b) Footer (c) Menu
31. 31.♿ Does this help everyone, or make the app harder to use: fast-flashing lights? (a) helps everyone (b) makes it harder
32. 32.♿ Does this help everyone, or make the app harder to use: captions on videos? (a) makes it harder (b) helps everyone
33. 33.♿ Does this help everyone, or make the app harder to use: big touch targets? (a) makes it harder (b) helps everyone
34. 34.♿ Does this help everyone, or make the app harder to use: icons with no labels? (a) helps everyone (b) makes it harder
35. 35.🔍 Which is the odd one out? (a) labels on every icon (b) captions on videos (c) tiny tap areas (d) text that can grow
36. 36.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Title: 25 px
    Label: 19 px
    Body text: 26 px
    Hint: 10 px
    Footer: 24 px (a) Body text (b) Label (c) Title (d) Hint
37. 37.♿ A screen has 6 icon buttons. Only 2 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. How many texts on this screen are too small?
    Footer: 13 px
    Hint: 18 px
    Title: 10 px
    Label: 11 px
    Menu: 15 px
39. 39.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Footer: 26 px
    Label: 25 px
    Caption: 22 px
    Title: 17 px
    Body text: 11 px (a) Body text (b) Caption (c) Footer (d) Label
40. 40.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Footer: 18 px
    Body text: 16 px
    Caption: 27 px
    Hint: 27 px
    Menu: 14 px (a) Menu (b) Footer (c) Body text (d) Caption

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