App Dev Worksheet: Accessibility

App development lesson 13: Accessibility · Set 708 · 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) fast-flashing lights (b) tiny tap areas (c) colour as the only clue (d) labels on every icon
2. 2.♿ Does this help everyone, or make the app harder to use: captions on videos? (a) helps everyone (b) makes it harder
3. 3.♿ Accessibility means an app works for ___. (a) nobody (b) only experts (c) only the coder (d) everyone
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) big touch targets (b) labels on every icon (c) text that can grow (d) tiny tap areas
6. 6.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
   Hint: 10 px
   Title: 21 px
   Body text: 24 px
   Footer: 15 px
7. 7.True or false: “text that can grow” helps everyone use the app. (a) False (b) True
8. 8.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
   Body text: 18 px
   Hint: 17 px
   Title: 24 px
   Label: 12 px (a) Hint (b) Title (c) Label (d) Body text
9. 9.Which of these makes the app harder to use? (a) sudden loud sounds (b) labels on every icon (c) strong colour contrast (d) text that can grow
10. 10.🔍 Which is the odd one out? (a) strong colour contrast (b) labels on every icon (c) big touch targets (d) tiny tap areas
11. 11.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Hint: 26 px
    Label: 14 px
    Caption: 26 px
    Title: 24 px
    Footer: 23 px (a) Label (b) Hint (c) Caption (d) Title
12. 12.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
    Hint: 20 px
    Body text: 18 px
    Title: 21 px
13. 13.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Menu: 9 px
    Hint: 19 px
    Caption: 16 px (a) Caption (b) Hint (c) Menu
14. 14.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Label: 27 px
    Body text: 9 px
    Menu: 16 px
    Hint: 21 px (a) Hint (b) Body text (c) Menu (d) Label
15. 15.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Label: 16 px
    Hint: 11 px
    Caption: 17 px
    Title: 18 px (a) Label (b) Caption (c) Hint (d) Title
16. 16.♿ A screen has 12 icon buttons. Only 4 of them have a text label for screen readers. How many still need a label?
17. 17.🔍 Which is the odd one out? (a) labels on every icon (b) icons with no labels (c) text that can grow (d) strong colour contrast
18. 18.True or false: “text that can grow” makes the app harder to use. (a) True (b) False
19. 19.♿ Why add captions to videos? (a) to hide the sound (b) to add colour (c) to slow them down (d) so anyone can follow
20. 20.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Caption: 17 px
    Title: 12 px
    Body text: 25 px
    Menu: 21 px
    Footer: 19 px (a) Caption (b) Body text (c) Title (d) Menu
21. 21.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Menu: 17 px
    Hint: 12 px
    Footer: 28 px
    Label: 25 px
    Title: 17 px (a) Hint (b) Footer (c) Menu (d) Label
22. 22.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
    Body text: 24 px
    Caption: 13 px
    Hint: 18 px
23. 23.♿ What does a screen reader do? (a) takes photos (b) plays music (c) makes text tiny (d) reads the screen aloud
24. 24.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
    Hint: 15 px
    Footer: 20 px
    Title: 21 px
    Label: 18 px
    Menu: 18 px
25. 25.🔍 Which is the odd one out? (a) tiny tap areas (b) icons with no labels (c) strong colour contrast (d) sudden loud sounds
26. 26.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Label: 21 px
    Body text: 11 px
    Menu: 26 px (a) Body text (b) Label (c) Menu
27. 27.True or false: “icons with no labels” makes the app harder to use. (a) False (b) True
28. 28.🔍 Which is the odd one out? (a) big touch targets (b) labels on every icon (c) captions on videos (d) fast-flashing lights
29. 29.♿ A screen has 12 icon buttons. Only 5 of them have a text label for screen readers. How many still need a label?
30. 30.Which of these makes the app harder to use? (a) captions on videos (b) strong colour contrast (c) fast-flashing lights (d) labels on every icon
31. 31.♿ A screen has 10 icon buttons. Only 7 of them have a text label for screen readers. How many still need a label?
32. 32.♿ A screen has 12 icon buttons. Only 3 of them have a text label for screen readers. How many still need a label?
33. 33.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
    Footer: 20 px
    Caption: 22 px
    Hint: 12 px
    Label: 20 px
34. 34.♿ A screen has 10 icon buttons. Only 9 of them have a text label for screen readers. How many still need a label?
35. 35.Which of these makes the app harder to use? (a) big touch targets (b) strong colour contrast (c) captions on videos (d) icons with no labels
36. 36.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Body text: 28 px
    Hint: 23 px
    Menu: 9 px
    Label: 21 px (a) Body text (b) Hint (c) Label (d) Menu
37. 37.Which of these helps everyone use the app? (a) colour as the only clue (b) icons with no labels (c) fast-flashing lights (d) big touch targets
38. 38.♿ A screen has 11 icon buttons. Only 6 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: 10 px
    Footer: 26 px
    Body text: 27 px
    Menu: 26 px
    Title: 22 px (a) Body text (b) Footer (c) Hint (d) Menu
40. 40.Which of these helps everyone use the app? (a) sudden loud sounds (b) tiny tap areas (c) labels on every icon (d) fast-flashing lights

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