App Dev Worksheet: Accessibility

App development lesson 13: Accessibility · Set 228 · 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. How many texts on this screen are too small?
   Body text: 12 px
   Menu: 20 px
   Label: 17 px
   Footer: 18 px
2. 2.🔍 Which is the odd one out? (a) big touch targets (b) text that can grow (c) labels on every icon (d) tiny tap areas
3. 3.True or false: “captions on videos” helps everyone use the app. (a) False (b) True
4. 4.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
   Body text: 19 px
   Hint: 18 px
   Title: 27 px
   Menu: 21 px
   Label: 9 px (a) Body text (b) Title (c) Hint (d) Label
5. 5.♿ Does this help everyone, or make the app harder to use: labels on every icon? (a) makes it harder (b) helps everyone
6. 6.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
   Body text: 15 px
   Title: 13 px
   Label: 12 px
   Hint: 12 px
   Footer: 23 px
7. 7.Which of these helps everyone use the app? (a) colour as the only clue (b) fast-flashing lights (c) strong colour contrast (d) icons with no labels
8. 8.♿ What does a screen reader do? (a) makes text tiny (b) reads the screen aloud (c) takes photos (d) plays music
9. 9.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
   Body text: 14 px
   Title: 17 px
   Label: 20 px
10. 10.♿ Accessibility means an app works for ___. (a) everyone (b) only experts (c) only the coder (d) nobody
11. 11.♿ Why add captions to videos? (a) to hide the sound (b) to add colour (c) so anyone can follow (d) to slow them down
12. 12.🔍 Which is the odd one out? (a) tiny tap areas (b) captions on videos (c) icons with no labels (d) sudden loud sounds
13. 13.♿ What should every icon-only button have for screen readers? (a) a text label (b) a long animation (c) a bright colour (d) a sound
14. 14.♿ A screen has 6 icon buttons. Only 3 of them have a text label for screen readers. How many still need a label?
15. 15.♿ Does this help everyone, or make the app harder to use: strong colour contrast? (a) makes it harder (b) helps everyone
16. 16.Which of these makes the app harder to use? (a) text that can grow (b) sudden loud sounds (c) strong colour contrast (d) captions on videos
17. 17.Which of these makes the app harder to use? (a) text that can grow (b) colour as the only clue (c) labels on every icon (d) strong colour contrast
18. 18.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
    Caption: 22 px
    Footer: 21 px
    Body text: 12 px
19. 19.♿ Does this help everyone, or make the app harder to use: captions on videos? (a) makes it harder (b) helps everyone
20. 20.♿ A screen has 7 icon buttons. Only 4 of them have a text label for screen readers. How many still need a label?
21. 21.♿ Does this help everyone, or make the app harder to use: icons with no labels? (a) makes it harder (b) helps everyone
22. 22.♿ Does this help everyone, or make the app harder to use: text that can grow? (a) makes it harder (b) helps everyone
23. 23.Which of these makes the app harder to use? (a) captions on videos (b) big touch targets (c) labels on every icon (d) icons with no labels
24. 24.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
    Footer: 10 px
    Title: 21 px
    Menu: 13 px
    Body text: 10 px
25. 25.True or false: “text that can grow” makes the app harder to use. (a) False (b) True
26. 26.True or false: “tiny tap areas” helps everyone use the app. (a) False (b) True
27. 27.Which of these helps everyone use the app? (a) fast-flashing lights (b) tiny tap areas (c) colour as the only clue (d) big touch targets
28. 28.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
    Body text: 22 px
    Caption: 12 px
    Hint: 13 px
    Label: 22 px
29. 29.True or false: “big touch targets” makes the app harder to use. (a) True (b) False
30. 30.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
    Menu: 18 px
    Hint: 24 px
    Caption: 24 px
    Footer: 14 px
    Title: 12 px
31. 31.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
    Body text: 13 px
    Menu: 19 px
    Title: 17 px
32. 32.♿ A screen has 10 icon buttons. Only 3 of them have a text label for screen readers. How many still need a label?
33. 33.♿ A screen has 11 icon buttons. Only 5 of them have a text label for screen readers. How many still need a label?
34. 34.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
    Body text: 22 px
    Caption: 24 px
    Label: 12 px
    Title: 19 px
35. 35.♿ Does this help everyone, or make the app harder to use: fast-flashing lights? (a) makes it harder (b) helps everyone
36. 36.True or false: “captions on videos” makes the app harder to use. (a) True (b) False
37. 37.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Hint: 23 px
    Body text: 20 px
    Title: 11 px
    Menu: 18 px
    Footer: 23 px (a) Hint (b) Menu (c) Body text (d) Title
38. 38.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Caption: 19 px
    Title: 18 px
    Label: 10 px
    Hint: 20 px
    Menu: 26 px (a) Hint (b) Caption (c) Title (d) Label
39. 39.🔍 Which is the odd one out? (a) strong colour contrast (b) tiny tap areas (c) sudden loud sounds (d) fast-flashing lights
40. 40.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
    Title: 24 px
    Body text: 13 px
    Caption: 16 px
    Label: 16 px
    Footer: 17 px

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