App Dev Worksheet: Accessibility

App development lesson 13: Accessibility · Set 745 · 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.♿ Does this help everyone, or make the app harder to use: tiny tap areas? (a) helps everyone (b) makes it harder
2. 2.True or false: “strong colour contrast” helps everyone use the app. (a) True (b) False
3. 3.Which of these helps everyone use the app? (a) colour as the only clue (b) tiny tap areas (c) big touch targets (d) icons with no labels
4. 4.♿ Does this help everyone, or make the app harder to use: icons with no labels? (a) makes it harder (b) helps everyone
5. 5.♿ Does this help everyone, or make the app harder to use: fast-flashing lights? (a) helps everyone (b) makes it harder
6. 6.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
   Label: 16 px
   Menu: 18 px
   Title: 12 px (a) Title (b) Menu (c) Label
7. 7.♿ Does this help everyone, or make the app harder to use: colour as the only clue? (a) helps everyone (b) makes it harder
8. 8.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
   Title: 15 px
   Menu: 24 px
   Hint: 20 px
   Label: 16 px
   Caption: 12 px
9. 9.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
   Menu: 11 px
   Label: 10 px
   Body text: 16 px
   Hint: 14 px
10. 10.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
    Menu: 20 px
    Caption: 10 px
    Body text: 15 px
    Footer: 22 px
    Hint: 18 px
11. 11.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Title: 17 px
    Label: 22 px
    Caption: 28 px
    Body text: 14 px (a) Body text (b) Caption (c) Title (d) Label
12. 12.🔍 Which is the odd one out? (a) big touch targets (b) labels on every icon (c) icons with no labels (d) strong colour contrast
13. 13.♿ What does a screen reader do? (a) plays music (b) makes text tiny (c) takes photos (d) reads the screen aloud
14. 14.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
    Body text: 12 px
    Title: 15 px
    Label: 16 px
    Hint: 11 px
    Menu: 10 px
15. 15.Which of these helps everyone use the app? (a) colour as the only clue (b) captions on videos (c) icons with no labels (d) sudden loud sounds
16. 16.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Menu: 9 px
    Title: 24 px
    Caption: 25 px
    Body text: 28 px (a) Title (b) Menu (c) Caption (d) Body text
17. 17.🔍 Which is the odd one out? (a) strong colour contrast (b) big touch targets (c) captions on videos (d) colour as the only clue
18. 18.Which of these helps everyone use the app? (a) sudden loud sounds (b) tiny tap areas (c) strong colour contrast (d) icons with no labels
19. 19.🔍 Which is the odd one out? (a) text that can grow (b) tiny tap areas (c) labels on every icon (d) big touch targets
20. 20.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Title: 16 px
    Menu: 9 px
    Hint: 23 px (a) Hint (b) Menu (c) Title
21. 21.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Caption: 11 px
    Title: 23 px
    Hint: 16 px (a) Title (b) Hint (c) Caption
22. 22.🔍 Which is the odd one out? (a) fast-flashing lights (b) labels on every icon (c) strong colour contrast (d) text that can grow
23. 23.Which of these helps everyone use the app? (a) colour as the only clue (b) sudden loud sounds (c) icons with no labels (d) text that can grow
24. 24.♿ Does this help everyone, or make the app harder to use: captions on videos? (a) makes it harder (b) helps everyone
25. 25.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
    Menu: 12 px
    Title: 14 px
    Body text: 15 px
    Hint: 22 px
26. 26.True or false: “fast-flashing lights” makes the app harder to use. (a) False (b) True
27. 27.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Label: 20 px
    Body text: 14 px
    Title: 20 px (a) Label (b) Title (c) Body text
28. 28.True or false: “colour as the only clue” helps everyone use the app. (a) True (b) False
29. 29.True or false: “sudden loud sounds” makes the app harder to use. (a) False (b) True
30. 30.♿ A screen has 12 icon buttons. Only 1 of them have a text label for screen readers. How many still need a label?
31. 31.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
    Title: 16 px
    Label: 24 px
    Body text: 16 px
32. 32.🔍 Which is the odd one out? (a) icons with no labels (b) sudden loud sounds (c) tiny tap areas (d) big touch targets
33. 33.🔍 Which is the odd one out? (a) icons with no labels (b) text that can grow (c) sudden loud sounds (d) fast-flashing lights
34. 34.♿ Why add captions to videos? (a) to hide the sound (b) to slow them down (c) to add colour (d) so anyone can follow
35. 35.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
    Title: 24 px
    Footer: 13 px
    Body text: 24 px
    Caption: 20 px
36. 36.♿ Does this help everyone, or make the app harder to use: strong colour contrast? (a) makes it harder (b) helps everyone
37. 37.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
    Body text: 16 px
    Footer: 13 px
    Title: 12 px
38. 38.♿ Accessibility means an app works for ___. (a) everyone (b) nobody (c) only the coder (d) only experts
39. 39.♿ A screen has 9 icon buttons. Only 8 of them have a text label for screen readers. How many still need a label?
40. 40.🔍 Which is the odd one out? (a) sudden loud sounds (b) colour as the only clue (c) fast-flashing lights (d) captions on videos

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