App Dev Worksheet: Accessibility

App development lesson 13: Accessibility · Set 662 · 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.♿ Why add captions to videos? (a) to slow them down (b) to add colour (c) so anyone can follow (d) to hide the sound
2. 2.🔍 Which is the odd one out? (a) big touch targets (b) text that can grow (c) labels on every icon (d) icons with no labels
3. 3.Which of these helps everyone use the app? (a) fast-flashing lights (b) strong colour contrast (c) colour as the only clue (d) tiny tap areas
4. 4.🔍 Which is the odd one out? (a) labels on every icon (b) icons with no labels (c) sudden loud sounds (d) fast-flashing lights
5. 5.True or false: “icons with no labels” helps everyone use the app. (a) True (b) False
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.True or false: “tiny tap areas” helps everyone use the app. (a) True (b) False
8. 8.♿ Does this help everyone, or make the app harder to use: labels on every icon? (a) makes it harder (b) helps everyone
9. 9.♿ Does this help everyone, or make the app harder to use: captions on videos? (a) makes it harder (b) helps everyone
10. 10.♿ Does this help everyone, or make the app harder to use: big touch targets? (a) makes it harder (b) helps everyone
11. 11.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Body text: 9 px
    Title: 17 px
    Caption: 20 px (a) Title (b) Body text (c) Caption
12. 12.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
    Footer: 10 px
    Label: 14 px
    Caption: 21 px
    Body text: 20 px
    Title: 18 px
13. 13.Which of these helps everyone use the app? (a) fast-flashing lights (b) captions on videos (c) tiny tap areas (d) icons with no labels
14. 14.♿ A screen has 5 icon buttons. Only 3 of them have a text label for screen readers. How many still need a label?
15. 15.♿ A screen has 5 icon buttons. Only 1 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) fast-flashing lights (b) labels on every icon (c) big touch targets (d) strong colour contrast
17. 17.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Footer: 23 px
    Menu: 17 px
    Body text: 9 px
    Title: 20 px
    Caption: 21 px (a) Footer (b) Title (c) Body text (d) Menu
18. 18.♿ Does this help everyone, or make the app harder to use: text that can grow? (a) makes it harder (b) helps everyone
19. 19.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
    Footer: 15 px
    Title: 15 px
    Caption: 15 px
20. 20.Which of these helps everyone use the app? (a) sudden loud sounds (b) text that can grow (c) icons with no labels (d) tiny tap areas
21. 21.True or false: “sudden loud sounds” makes the app harder to use. (a) False (b) True
22. 22.♿ Does this help everyone, or make the app harder to use: strong colour contrast? (a) helps everyone (b) makes it harder
23. 23.♿ Accessibility means an app works for ___. (a) only the coder (b) everyone (c) nobody (d) only experts
24. 24.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
    Label: 18 px
    Title: 12 px
    Footer: 24 px
    Caption: 15 px
25. 25.True or false: “colour as the only clue” helps everyone use the app. (a) False (b) True
26. 26.True or false: “colour as the only clue” makes the app harder to use. (a) False (b) True
27. 27.🔍 Which is the odd one out? (a) tiny tap areas (b) strong colour contrast (c) fast-flashing lights (d) icons with no labels
28. 28.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Title: 9 px
    Caption: 18 px
    Body text: 28 px
    Hint: 22 px (a) Caption (b) Title (c) Body text (d) Hint
29. 29.♿ Does this help everyone, or make the app harder to use: colour as the only clue? (a) makes it harder (b) helps everyone
30. 30.True or false: “labels on every icon” helps everyone use the app. (a) True (b) False
31. 31.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
    Caption: 12 px
    Body text: 15 px
    Menu: 18 px
    Title: 12 px
32. 32.♿ A screen has 8 icon buttons. Only 2 of them have a text label for screen readers. How many still need a label?
33. 33.True or false: “labels on every icon” makes the app harder to use. (a) False (b) True
34. 34.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Title: 26 px
    Footer: 9 px
    Body text: 22 px
    Menu: 25 px
    Caption: 27 px (a) Footer (b) Body text (c) Menu (d) Title
35. 35.🔍 Which is the odd one out? (a) labels on every icon (b) text that can grow (c) colour as the only clue (d) strong colour contrast
36. 36.Which of these makes the app harder to use? (a) labels on every icon (b) text that can grow (c) icons with no labels (d) big touch targets
37. 37.🔍 Which is the odd one out? (a) labels on every icon (b) captions on videos (c) big touch targets (d) fast-flashing lights
38. 38.♿ A screen has 12 icon buttons. Only 2 of them have a text label for screen readers. How many still need a label?
39. 39.🔍 Which is the odd one out? (a) captions on videos (b) big touch targets (c) labels on every icon (d) tiny tap areas
40. 40.♿ Does this help everyone, or make the app harder to use: tiny tap areas? (a) helps everyone (b) makes it harder

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