App Dev Worksheet: Accessibility

App development lesson 13: Accessibility · Set 828 · 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. Which text on this screen is too small?
   Menu: 26 px
   Label: 13 px
   Body text: 28 px
   Hint: 17 px
   Caption: 26 px (a) Menu (b) Hint (c) Label (d) Body text
2. 2.♿ Does this help everyone, or make the app harder to use: text that can grow? (a) makes it harder (b) helps everyone
3. 3.🔍 Which is the odd one out? (a) strong colour contrast (b) sudden loud sounds (c) fast-flashing lights (d) tiny tap areas
4. 4.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
   Caption: 22 px
   Menu: 17 px
   Hint: 17 px
   Footer: 10 px
   Label: 18 px (a) Caption (b) Footer (c) Menu (d) Hint
5. 5.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
   Hint: 22 px
   Caption: 12 px
   Title: 26 px
   Body text: 28 px
   Footer: 21 px (a) Hint (b) Body text (c) Title (d) Caption
6. 6.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
   Body text: 23 px
   Hint: 19 px
   Title: 12 px
   Label: 11 px
7. 7.Which of these makes the app harder to use? (a) labels on every icon (b) big touch targets (c) fast-flashing lights (d) captions on videos
8. 8.♿ A screen has 7 icon buttons. Only 1 of them have a text label for screen readers. How many still need a label?
9. 9.♿ A screen has 6 icon buttons. Only 2 of them have a text label for screen readers. How many still need a label?
10. 10.♿ A screen has 5 icon buttons. Only 4 of them have a text label for screen readers. How many still need a label?
11. 11.🔍 Which is the odd one out? (a) strong colour contrast (b) big touch targets (c) text that can grow (d) tiny tap areas
12. 12.♿ What does a screen reader do? (a) reads the screen aloud (b) takes photos (c) makes text tiny (d) plays music
13. 13.🔍 Which is the odd one out? (a) captions on videos (b) fast-flashing lights (c) sudden loud sounds (d) tiny tap areas
14. 14.♿ Does this help everyone, or make the app harder to use: captions on videos? (a) makes it harder (b) helps everyone
15. 15.♿ Why add captions to videos? (a) to hide the sound (b) to add colour (c) to slow them down (d) so anyone can follow
16. 16.🔍 Which is the odd one out? (a) text that can grow (b) labels on every icon (c) big touch targets (d) icons with no labels
17. 17.🔍 Which is the odd one out? (a) fast-flashing lights (b) tiny tap areas (c) colour as the only clue (d) big touch targets
18. 18.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
    Caption: 14 px
    Menu: 19 px
    Body text: 17 px
    Title: 10 px
    Footer: 18 px
19. 19.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Body text: 27 px
    Title: 24 px
    Menu: 16 px
    Caption: 9 px
    Label: 18 px (a) Menu (b) Title (c) Body text (d) Caption
20. 20.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Label: 28 px
    Title: 18 px
    Body text: 25 px
    Footer: 9 px (a) Body text (b) Footer (c) Title (d) Label
21. 21.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
    Menu: 20 px
    Caption: 23 px
    Body text: 16 px
    Title: 19 px
    Hint: 12 px
22. 22.True or false: “strong colour contrast” helps everyone use the app. (a) True (b) False
23. 23.♿ A screen has 5 icon buttons. Only 2 of them have a text label for screen readers. How many still need a label?
24. 24.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Caption: 17 px
    Menu: 11 px
    Body text: 26 px (a) Body text (b) Menu (c) Caption
25. 25.♿ Does this help everyone, or make the app harder to use: fast-flashing lights? (a) helps everyone (b) makes it harder
26. 26.♿ A screen has 6 icon buttons. Only 1 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 bright colour (b) a sound (c) a long animation (d) a text label
28. 28.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Body text: 16 px
    Label: 9 px
    Hint: 26 px
    Title: 23 px
    Caption: 19 px (a) Title (b) Body text (c) Hint (d) Label
29. 29.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Title: 25 px
    Menu: 10 px
    Footer: 19 px
    Caption: 17 px (a) Caption (b) Menu (c) Footer (d) Title
30. 30.True or false: “captions on videos” makes the app harder to use. (a) True (b) False
31. 31.True or false: “big touch targets” makes the app harder to use. (a) True (b) False
32. 32.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
    Body text: 13 px
    Title: 11 px
    Hint: 12 px
    Footer: 18 px
33. 33.♿ Does this help everyone, or make the app harder to use: labels on every icon? (a) makes it harder (b) helps everyone
34. 34.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
    Hint: 11 px
    Title: 11 px
    Menu: 17 px
    Label: 21 px
35. 35.True or false: “strong colour contrast” makes the app harder to use. (a) False (b) True
36. 36.♿ A screen has 10 icon buttons. Only 3 of them have a text label for screen readers. How many still need a label?
37. 37.True or false: “colour as the only clue” helps everyone use the app. (a) True (b) False
38. 38.True or false: “icons with no labels” helps everyone use the app. (a) True (b) False
39. 39.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
    Footer: 19 px
    Caption: 16 px
    Hint: 14 px
    Title: 18 px
    Menu: 15 px
40. 40.♿ A screen has 6 icon buttons. Only 5 of them have a text label for screen readers. How many still need a label?

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