App Dev Worksheet: Accessibility

App development lesson 13: Accessibility · Set 403 · 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.True or false: “icons with no labels” helps everyone use the app. (a) False (b) True
2. 2.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
   Title: 11 px
   Menu: 11 px
   Hint: 13 px
3. 3.True or false: “icons with no labels” makes the app harder to use. (a) True (b) False
4. 4.♿ Does this help everyone, or make the app harder to use: fast-flashing lights? (a) makes it harder (b) helps everyone
5. 5.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
   Menu: 10 px
   Caption: 26 px
   Hint: 21 px
   Footer: 19 px (a) Hint (b) Caption (c) Footer (d) Menu
6. 6.True or false: “fast-flashing lights” helps everyone use the app. (a) False (b) True
7. 7.True or false: “sudden loud sounds” makes the app harder to use. (a) False (b) True
8. 8.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
   Title: 22 px
   Body text: 13 px
   Hint: 17 px
   Menu: 19 px
   Caption: 19 px (a) Hint (b) Title (c) Menu (d) Body text
9. 9.♿ Why add captions to videos? (a) to slow them down (b) to hide the sound (c) to add colour (d) so anyone can follow
10. 10.🔍 Which is the odd one out? (a) labels on every icon (b) colour as the only clue (c) strong colour contrast (d) big touch targets
11. 11.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Menu: 18 px
    Body text: 19 px
    Hint: 21 px
    Title: 13 px
    Footer: 16 px (a) Hint (b) Menu (c) Title (d) Body text
12. 12.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Hint: 11 px
    Menu: 24 px
    Label: 26 px
    Title: 17 px
    Footer: 19 px (a) Title (b) Hint (c) Label (d) Menu
13. 13.♿ A screen has 12 icon buttons. Only 11 of them have a text label for screen readers. How many still need a label?
14. 14.True or false: “tiny tap areas” helps everyone use the app. (a) True (b) False
15. 15.♿ A screen has 12 icon buttons. Only 7 of them have a text label for screen readers. How many still need a label?
16. 16.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
    Caption: 21 px
    Hint: 16 px
    Menu: 15 px
17. 17.Which of these makes the app harder to use? (a) colour as the only clue (b) labels on every icon (c) big touch targets (d) captions on videos
18. 18.🔍 Which is the odd one out? (a) strong colour contrast (b) labels on every icon (c) captions on videos (d) fast-flashing lights
19. 19.♿ Does this help everyone, or make the app harder to use: big touch targets? (a) makes it harder (b) helps everyone
20. 20.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Caption: 9 px
    Label: 16 px
    Menu: 17 px (a) Label (b) Menu (c) Caption
21. 21.🔍 Which is the odd one out? (a) labels on every icon (b) sudden loud sounds (c) tiny tap areas (d) colour as the only clue
22. 22.Which of these makes the app harder to use? (a) strong colour contrast (b) captions on videos (c) fast-flashing lights (d) big touch targets
23. 23.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
    Title: 15 px
    Menu: 23 px
    Footer: 20 px
24. 24.🔍 Which is the odd one out? (a) colour as the only clue (b) captions on videos (c) tiny tap areas (d) fast-flashing lights
25. 25.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Caption: 9 px
    Footer: 28 px
    Body text: 18 px
    Hint: 20 px (a) Footer (b) Hint (c) Body text (d) Caption
26. 26.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
    Hint: 20 px
    Menu: 22 px
    Caption: 20 px
    Label: 13 px
    Title: 14 px
27. 27.♿ A screen has 5 icon buttons. Only 1 of them have a text label for screen readers. How many still need a label?
28. 28.Which of these makes the app harder to use? (a) strong colour contrast (b) captions on videos (c) big touch targets (d) sudden loud sounds
29. 29.♿ A screen has 12 icon buttons. Only 2 of them have a text label for screen readers. How many still need a label?
30. 30.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
    Hint: 21 px
    Caption: 13 px
    Title: 14 px
    Body text: 20 px
    Menu: 24 px
31. 31.♿ Does this help everyone, or make the app harder to use: icons with no labels? (a) makes it harder (b) helps everyone
32. 32.♿ A screen has 6 icon buttons. Only 1 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. Which text on this screen is too small?
    Title: 23 px
    Hint: 12 px
    Caption: 26 px (a) Title (b) Hint (c) Caption
34. 34.♿ What does a screen reader do? (a) plays music (b) reads the screen aloud (c) makes text tiny (d) takes photos
35. 35.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
    Title: 14 px
    Label: 11 px
    Footer: 22 px
36. 36.♿ What should every icon-only button have for screen readers? (a) a long animation (b) a text label (c) a bright colour (d) a sound
37. 37.♿ Does this help everyone, or make the app harder to use: tiny tap areas? (a) makes it harder (b) helps everyone
38. 38.♿ Accessibility means an app works for ___. (a) only the coder (b) only experts (c) nobody (d) everyone
39. 39.♿ A screen has 12 icon buttons. Only 5 of them have a text label for screen readers. How many still need a label?
40. 40.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Footer: 21 px
    Caption: 28 px
    Menu: 14 px
    Hint: 20 px
    Title: 28 px (a) Menu (b) Caption (c) Footer (d) Hint

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