App Dev Worksheet: Accessibility

App development lesson 13: Accessibility · Set 94 · 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: “strong colour contrast” helps everyone use the app. (a) True (b) False
2. 2.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
   Hint: 18 px
   Title: 23 px
   Body text: 23 px
   Menu: 12 px
3. 3.Which of these makes the app harder to use? (a) captions on videos (b) big touch targets (c) text that can grow (d) tiny tap areas
4. 4.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
   Menu: 12 px
   Caption: 23 px
   Body text: 19 px (a) Caption (b) Menu (c) Body text
5. 5.Which of these makes the app harder to use? (a) fast-flashing lights (b) big touch targets (c) text that can grow (d) strong colour contrast
6. 6.True or false: “colour as the only clue” helps everyone use the app. (a) False (b) True
7. 7.🔍 Which is the odd one out? (a) text that can grow (b) captions on videos (c) tiny tap areas (d) strong colour contrast
8. 8.🔍 Which is the odd one out? (a) text that can grow (b) tiny tap areas (c) icons with no labels (d) fast-flashing lights
9. 9.♿ Accessibility means an app works for ___. (a) only experts (b) everyone (c) only the coder (d) nobody
10. 10.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
    Title: 10 px
    Hint: 22 px
    Label: 14 px
    Menu: 13 px
11. 11.True or false: “tiny tap areas” helps everyone use the app. (a) False (b) True
12. 12.♿ A screen has 10 icon buttons. Only 3 of them have a text label for screen readers. How many still need a label?
13. 13.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Hint: 25 px
    Title: 26 px
    Body text: 16 px
    Footer: 11 px (a) Title (b) Footer (c) Body text (d) Hint
14. 14.🔍 Which is the odd one out? (a) tiny tap areas (b) colour as the only clue (c) sudden loud sounds (d) captions on videos
15. 15.♿ What does a screen reader do? (a) makes text tiny (b) takes photos (c) plays music (d) reads the screen aloud
16. 16.♿ Why add captions to videos? (a) to slow them down (b) to hide the sound (c) so anyone can follow (d) to add colour
17. 17.♿ A screen has 8 icon buttons. Only 2 of them have a text label for screen readers. How many still need a label?
18. 18.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Hint: 12 px
    Menu: 20 px
    Caption: 25 px
    Footer: 21 px
    Label: 21 px (a) Footer (b) Menu (c) Hint (d) Caption
19. 19.♿ Does this help everyone, or make the app harder to use: icons with no labels? (a) helps everyone (b) makes it harder
20. 20.Which of these makes the app harder to use? (a) captions on videos (b) sudden loud sounds (c) big touch targets (d) text that can grow
21. 21.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
    Menu: 16 px
    Hint: 11 px
    Body text: 21 px
22. 22.🔍 Which is the odd one out? (a) text that can grow (b) strong colour contrast (c) sudden loud sounds (d) captions on videos
23. 23.True or false: “big touch targets” helps everyone use the app. (a) True (b) False
24. 24.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
    Caption: 18 px
    Body text: 18 px
    Title: 14 px
    Menu: 24 px
    Footer: 15 px
25. 25.♿ Does this help everyone, or make the app harder to use: text that can grow? (a) makes it harder (b) helps everyone
26. 26.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
    Hint: 16 px
    Body text: 21 px
    Menu: 16 px
    Footer: 20 px
27. 27.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Menu: 13 px
    Hint: 26 px
    Body text: 17 px (a) Body text (b) Menu (c) Hint
28. 28.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Body text: 12 px
    Hint: 28 px
    Label: 16 px
    Menu: 18 px (a) Label (b) Body text (c) Hint (d) Menu
29. 29.♿ A screen has 8 icon buttons. Only 6 of them have a text label for screen readers. How many still need a label?
30. 30.🔍 Which is the odd one out? (a) strong colour contrast (b) colour as the only clue (c) captions on videos (d) big touch targets
31. 31.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
    Caption: 14 px
    Hint: 13 px
    Footer: 12 px
    Title: 23 px
32. 32.Which of these makes the app harder to use? (a) labels on every icon (b) icons with no labels (c) text that can grow (d) captions on videos
33. 33.True or false: “captions on videos” helps everyone use the app. (a) False (b) True
34. 34.🔍 Which is the odd one out? (a) icons with no labels (b) strong colour contrast (c) text that can grow (d) captions on videos
35. 35.Which of these helps everyone use the app? (a) colour as the only clue (b) tiny tap areas (c) sudden loud sounds (d) strong colour contrast
36. 36.True or false: “colour as the only clue” makes the app harder to use. (a) False (b) True
37. 37.Which of these helps everyone use the app? (a) icons with no labels (b) sudden loud sounds (c) fast-flashing lights (d) text that can grow
38. 38.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Footer: 17 px
    Label: 18 px
    Title: 9 px (a) Label (b) Title (c) Footer
39. 39.Which of these helps everyone use the app? (a) colour as the only clue (b) fast-flashing lights (c) sudden loud sounds (d) labels on every icon
40. 40.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Menu: 22 px
    Title: 20 px
    Hint: 12 px (a) Hint (b) Title (c) Menu

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