App Dev Worksheet: Accessibility

App development lesson 13: Accessibility · Set 823 · 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. Which text on this screen is too small?
   Label: 26 px
   Title: 9 px
   Body text: 23 px
   Footer: 18 px
   Menu: 27 px (a) Footer (b) Title (c) Label (d) Body text
2. 2.♿ A screen has 12 icon buttons. Only 10 of them have a text label for screen readers. How many still need a label?
3. 3.♿ Does this help everyone, or make the app harder to use: tiny tap areas? (a) makes it harder (b) helps everyone
4. 4.♿ A screen has 6 icon buttons. Only 1 of them have a text label for screen readers. How many still need a label?
5. 5.🔍 Which is the odd one out? (a) icons with no labels (b) tiny tap areas (c) strong colour contrast (d) colour as the only clue
6. 6.🔍 Which is the odd one out? (a) icons with no labels (b) big touch targets (c) text that can grow (d) strong colour contrast
7. 7.♿ A screen has 12 icon buttons. Only 8 of them have a text label for screen readers. How many still need a label?
8. 8.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
   Hint: 16 px
   Menu: 25 px
   Label: 11 px (a) Hint (b) Label (c) Menu
9. 9.♿ A screen has 10 icon buttons. Only 7 of them have a text label for screen readers. How many still need a label?
10. 10.♿ Does this help everyone, or make the app harder to use: text that can grow? (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?
    Menu: 25 px
    Title: 28 px
    Label: 11 px
    Hint: 27 px
    Footer: 27 px (a) Label (b) Title (c) Menu (d) Hint
12. 12.♿ A screen has 5 icon buttons. Only 3 of them have a text label for screen readers. How many still need a label?
13. 13.♿ A screen has 12 icon buttons. Only 1 of them have a text label for screen readers. How many still need a label?
14. 14.Which of these makes the app harder to use? (a) big touch targets (b) text that can grow (c) colour as the only clue (d) strong colour contrast
15. 15.Which of these makes the app harder to use? (a) labels on every icon (b) captions on videos (c) tiny tap areas (d) strong colour contrast
16. 16.True or false: “tiny tap areas” makes the app harder to use. (a) False (b) True
17. 17.🔍 Which is the odd one out? (a) sudden loud sounds (b) colour as the only clue (c) fast-flashing lights (d) big touch targets
18. 18.Which of these makes the app harder to use? (a) icons with no labels (b) big touch targets (c) strong colour contrast (d) text that can grow
19. 19.True or false: “big touch targets” makes the app harder to use. (a) True (b) False
20. 20.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
    Hint: 12 px
    Label: 12 px
    Title: 15 px
    Body text: 22 px
21. 21.♿ A screen has 6 icon buttons. Only 4 of them have a text label for screen readers. How many still need a label?
22. 22.♿ A screen has 9 icon buttons. Only 2 of them have a text label for screen readers. How many still need a label?
23. 23.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Hint: 9 px
    Menu: 21 px
    Caption: 19 px
    Title: 20 px (a) Menu (b) Caption (c) Title (d) Hint
24. 24.♿ Accessibility means an app works for ___. (a) nobody (b) only experts (c) only the coder (d) everyone
25. 25.True or false: “strong colour contrast” helps everyone use the app. (a) True (b) False
26. 26.♿ A screen has 7 icon buttons. Only 6 of them have a text label for screen readers. How many still need a label?
27. 27.Which of these helps everyone use the app? (a) colour as the only clue (b) strong colour contrast (c) tiny tap areas (d) icons with no labels
28. 28.♿ A screen has 5 icon buttons. Only 1 of them have a text label for screen readers. How many still need a label?
29. 29.True or false: “labels on every icon” helps everyone use the app. (a) True (b) False
30. 30.♿ Does this help everyone, or make the app harder to use: big touch targets? (a) helps everyone (b) makes it harder
31. 31.True or false: “text that can grow” helps everyone use the app. (a) True (b) False
32. 32.Which of these helps everyone use the app? (a) tiny tap areas (b) icons with no labels (c) colour as the only clue (d) big touch targets
33. 33.Which of these makes the app harder to use? (a) labels on every icon (b) strong colour contrast (c) text that can grow (d) fast-flashing lights
34. 34.♿ Does this help everyone, or make the app harder to use: icons with no labels? (a) makes it harder (b) helps everyone
35. 35.🔍 Which is the odd one out? (a) icons with no labels (b) colour as the only clue (c) tiny tap areas (d) text that can grow
36. 36.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Body text: 9 px
    Hint: 21 px
    Menu: 19 px (a) Hint (b) Menu (c) Body text
37. 37.Which of these helps everyone use the app? (a) colour as the only clue (b) fast-flashing lights (c) icons with no labels (d) text that can grow
38. 38.♿ A screen has 9 icon buttons. Only 4 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?
    Hint: 19 px
    Label: 23 px
    Menu: 13 px
    Title: 17 px
    Caption: 23 px (a) Menu (b) Title (c) Label (d) Hint
40. 40.♿ What does a screen reader do? (a) makes text tiny (b) plays music (c) takes photos (d) reads the screen aloud

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