App Dev Worksheet: Accessibility

App development lesson 13: Accessibility · Set 720 · 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: captions on videos? (a) makes it harder (b) helps everyone
2. 2.Which of these makes the app harder to use? (a) labels on every icon (b) text that can grow (c) fast-flashing lights (d) strong colour contrast
3. 3.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
   Body text: 9 px
   Title: 25 px
   Menu: 18 px (a) Title (b) Menu (c) Body text
4. 4.🔍 Which is the odd one out? (a) tiny tap areas (b) labels on every icon (c) captions on videos (d) text that can grow
5. 5.True or false: “strong colour contrast” helps everyone use the app. (a) False (b) True
6. 6.♿ A screen has 9 icon buttons. Only 6 of them have a text label for screen readers. How many still need a label?
7. 7.♿ Does this help everyone, or make the app harder to use: fast-flashing lights? (a) helps everyone (b) makes it harder
8. 8.True or false: “captions on videos” makes the app harder to use. (a) False (b) True
9. 9.♿ What should every icon-only button have for screen readers? (a) a sound (b) a bright colour (c) a long animation (d) a text label
10. 10.Which of these helps everyone use the app? (a) tiny tap areas (b) icons with no labels (c) strong colour contrast (d) sudden loud sounds
11. 11.True or false: “tiny tap areas” makes the app harder to use. (a) False (b) True
12. 12.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Body text: 14 px
    Footer: 25 px
    Hint: 28 px (a) Body text (b) Hint (c) Footer
13. 13.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
    Hint: 24 px
    Title: 11 px
    Caption: 11 px
14. 14.🔍 Which is the odd one out? (a) captions on videos (b) icons with no labels (c) sudden loud sounds (d) colour as the only clue
15. 15.🔍 Which is the odd one out? (a) sudden loud sounds (b) tiny tap areas (c) icons with no labels (d) strong colour contrast
16. 16.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
    Caption: 12 px
    Label: 10 px
    Title: 14 px
    Menu: 11 px
    Footer: 24 px
17. 17.♿ A screen has 12 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. How many texts on this screen are too small?
    Footer: 14 px
    Title: 10 px
    Label: 24 px
    Body text: 17 px
    Hint: 15 px
19. 19.True or false: “big touch targets” helps everyone use the app. (a) False (b) True
20. 20.♿ Accessibility means an app works for ___. (a) nobody (b) only experts (c) only the coder (d) everyone
21. 21.♿ Does this help everyone, or make the app harder to use: text that can grow? (a) helps everyone (b) makes it harder
22. 22.♿ A screen has 10 icon buttons. Only 3 of them have a text label for screen readers. How many still need a label?
23. 23.♿ What does a screen reader do? (a) plays music (b) makes text tiny (c) takes photos (d) reads the screen aloud
24. 24.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
    Footer: 22 px
    Menu: 11 px
    Body text: 10 px
    Caption: 14 px
25. 25.Which of these makes the app harder to use? (a) captions on videos (b) strong colour contrast (c) text that can grow (d) icons with no labels
26. 26.True or false: “text that can grow” makes the app harder to use. (a) True (b) False
27. 27.🔍 Which is the odd one out? (a) captions on videos (b) labels on every icon (c) text that can grow (d) sudden loud sounds
28. 28.Which of these makes the app harder to use? (a) big touch targets (b) strong colour contrast (c) colour as the only clue (d) labels on every icon
29. 29.True or false: “labels on every icon” helps everyone use the app. (a) False (b) True
30. 30.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Menu: 12 px
    Caption: 22 px
    Hint: 27 px
    Title: 20 px (a) Title (b) Menu (c) Caption (d) Hint
31. 31.♿ Does this help everyone, or make the app harder to use: icons with no labels? (a) makes it harder (b) helps everyone
32. 32.Which of these helps everyone use the app? (a) captions on videos (b) tiny tap areas (c) fast-flashing lights (d) colour as the only clue
33. 33.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
    Title: 20 px
    Footer: 24 px
    Label: 22 px
    Menu: 18 px
    Body text: 12 px
34. 34.True or false: “sudden loud sounds” helps everyone use the app. (a) False (b) True
35. 35.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
    Title: 10 px
    Body text: 10 px
    Caption: 13 px
36. 36.♿ A screen has 7 icon buttons. Only 3 of them have a text label for screen readers. How many still need a label?
37. 37.True or false: “labels on every icon” makes the app harder to use. (a) True (b) False
38. 38.🔍 Which is the odd one out? (a) big touch targets (b) captions on videos (c) text that can grow (d) icons with no labels
39. 39.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
    Menu: 13 px
    Body text: 20 px
    Caption: 12 px
    Hint: 10 px
    Footer: 16 px
40. 40.♿ A screen has 5 icon buttons. Only 2 of them have a text label for screen readers. How many still need a label?

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