App Dev Worksheet: Accessibility

App development lesson 13: Accessibility · Set 645 · 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: “captions on videos” 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: 16 px
   Title: 11 px
   Caption: 10 px
3. 3.🔍 Which is the odd one out? (a) text that can grow (b) fast-flashing lights (c) big touch targets (d) labels on every icon
4. 4.Which of these makes the app harder to use? (a) strong colour contrast (b) icons with no labels (c) text that can grow (d) labels on every icon
5. 5.🔍 Which is the odd one out? (a) sudden loud sounds (b) big touch targets (c) captions on videos (d) labels on every icon
6. 6.♿ Does this help everyone, or make the app harder to use: fast-flashing lights? (a) makes it harder (b) helps everyone
7. 7.🔍 Which is the odd one out? (a) tiny tap areas (b) fast-flashing lights (c) captions on videos (d) icons with no labels
8. 8.🔍 Which is the odd one out? (a) captions on videos (b) labels on every icon (c) icons with no labels (d) big touch targets
9. 9.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
   Caption: 9 px
   Body text: 16 px
   Title: 24 px (a) Caption (b) Body text (c) Title
10. 10.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
    Title: 15 px
    Caption: 13 px
    Hint: 16 px
    Menu: 18 px
11. 11.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
    Menu: 14 px
    Title: 16 px
    Body text: 16 px
    Label: 14 px
    Caption: 12 px
12. 12.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
    Label: 16 px
    Hint: 23 px
    Menu: 16 px
    Title: 18 px
13. 13.♿ Does this help everyone, or make the app harder to use: colour as the only clue? (a) helps everyone (b) makes it harder
14. 14.♿ Accessibility means an app works for ___. (a) nobody (b) only the coder (c) everyone (d) only experts
15. 15.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
    Footer: 22 px
    Label: 16 px
    Menu: 10 px
    Title: 21 px
16. 16.🔍 Which is the odd one out? (a) tiny tap areas (b) big touch targets (c) fast-flashing lights (d) colour as the only clue
17. 17.♿ What does a screen reader do? (a) reads the screen aloud (b) takes photos (c) makes text tiny (d) plays music
18. 18.True or false: “icons with no labels” makes the app harder to use. (a) False (b) True
19. 19.🔍 Which is the odd one out? (a) fast-flashing lights (b) colour as the only clue (c) icons with no labels (d) strong colour contrast
20. 20.♿ Why add captions to videos? (a) to hide the sound (b) to slow them down (c) to add colour (d) so anyone can follow
21. 21.Which of these helps everyone use the app? (a) sudden loud sounds (b) fast-flashing lights (c) labels on every icon (d) tiny tap areas
22. 22.True or false: “labels on every icon” makes the app harder to use. (a) True (b) False
23. 23.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
    Hint: 19 px
    Title: 15 px
    Label: 11 px
    Footer: 20 px
    Menu: 11 px
24. 24.🔍 Which is the odd one out? (a) tiny tap areas (b) captions on videos (c) strong colour contrast (d) labels on every icon
25. 25.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Hint: 17 px
    Label: 20 px
    Title: 25 px
    Menu: 9 px (a) Menu (b) Label (c) Hint (d) Title
26. 26.♿ Does this help everyone, or make the app harder to use: captions on videos? (a) makes it harder (b) helps everyone
27. 27.🔍 Which is the odd one out? (a) tiny tap areas (b) labels on every icon (c) icons with no labels (d) colour as the only clue
28. 28.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Body text: 21 px
    Caption: 9 px
    Menu: 21 px
    Title: 22 px (a) Title (b) Caption (c) Body text (d) Menu
29. 29.♿ Does this help everyone, or make the app harder to use: strong colour contrast? (a) helps everyone (b) makes it harder
30. 30.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
    Caption: 24 px
    Title: 12 px
    Hint: 12 px
31. 31.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Body text: 27 px
    Footer: 28 px
    Hint: 25 px
    Title: 27 px
    Menu: 12 px (a) Footer (b) Hint (c) Body text (d) Menu
32. 32.True or false: “strong colour contrast” makes the app harder to use. (a) True (b) False
33. 33.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
    Menu: 13 px
    Footer: 23 px
    Label: 13 px
    Caption: 22 px
    Title: 18 px
34. 34.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Label: 12 px
    Caption: 26 px
    Footer: 19 px
    Menu: 20 px (a) Footer (b) Caption (c) Label (d) Menu
35. 35.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Hint: 18 px
    Body text: 27 px
    Title: 10 px
    Menu: 28 px
    Footer: 22 px (a) Body text (b) Title (c) Hint (d) Menu
36. 36.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Title: 13 px
    Caption: 27 px
    Footer: 20 px (a) Title (b) Caption (c) Footer
37. 37.♿ A screen has 11 icon buttons. Only 5 of them have a text label for screen readers. How many still need a label?
38. 38.🔍 Which is the odd one out? (a) sudden loud sounds (b) text that can grow (c) icons with no labels (d) fast-flashing lights
39. 39.True or false: “icons with no labels” helps everyone use the app. (a) True (b) False
40. 40.Which of these helps everyone use the app? (a) text that can grow (b) colour as the only clue (c) icons with no labels (d) fast-flashing lights

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