App Dev Worksheet: Accessibility

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

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