App Dev Worksheet: Accessibility

App development lesson 13: Accessibility · Set 106 · 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.🔍 Which is the odd one out? (a) captions on videos (b) icons with no labels (c) fast-flashing lights (d) tiny tap areas
2. 2.🔍 Which is the odd one out? (a) labels on every icon (b) fast-flashing lights (c) strong colour contrast (d) big touch targets
3. 3.♿ Does this help everyone, or make the app harder to use: labels on every icon? (a) helps everyone (b) makes it harder
4. 4.🔍 Which is the odd one out? (a) labels on every icon (b) sudden loud sounds (c) colour as the only clue (d) tiny tap areas
5. 5.♿ A screen has 12 icon buttons. Only 2 of them have a text label for screen readers. How many still need a label?
6. 6.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
   Label: 24 px
   Title: 14 px
   Hint: 19 px
   Body text: 27 px
   Footer: 17 px (a) Title (b) Body text (c) Hint (d) Label
7. 7.True or false: “icons with no labels” makes the app harder to use. (a) False (b) True
8. 8.♿ Does this help everyone, or make the app harder to use: icons with no labels? (a) makes it harder (b) helps everyone
9. 9.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
   Label: 17 px
   Caption: 16 px
   Hint: 12 px
   Menu: 25 px (a) Menu (b) Label (c) Caption (d) Hint
10. 10.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
    Footer: 12 px
    Label: 13 px
    Menu: 18 px
    Title: 23 px
11. 11.♿ Does this help everyone, or make the app harder to use: sudden loud sounds? (a) helps everyone (b) makes it harder
12. 12.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Title: 18 px
    Label: 10 px
    Body text: 19 px
    Hint: 27 px (a) Hint (b) Label (c) Body text (d) Title
13. 13.True or false: “big touch targets” helps everyone use the app. (a) True (b) False
14. 14.♿ A screen has 9 icon buttons. Only 7 of them have a text label for screen readers. How many still need a label?
15. 15.Which of these makes the app harder to use? (a) labels on every icon (b) big touch targets (c) text that can grow (d) fast-flashing lights
16. 16.♿ What should every icon-only button have for screen readers? (a) a bright colour (b) a text label (c) a sound (d) a long animation
17. 17.♿ A screen has 9 icon buttons. Only 5 of them have a text label for screen readers. How many still need a label?
18. 18.True or false: “captions on videos” makes the app harder to use. (a) True (b) False
19. 19.True or false: “icons with no labels” helps everyone use the app. (a) True (b) False
20. 20.🔍 Which is the odd one out? (a) icons with no labels (b) sudden loud sounds (c) strong colour contrast (d) tiny tap areas
21. 21.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Title: 22 px
    Body text: 22 px
    Hint: 13 px (a) Hint (b) Title (c) Body text
22. 22.♿ Does this help everyone, or make the app harder to use: captions on videos? (a) helps everyone (b) makes it harder
23. 23.♿ Does this help everyone, or make the app harder to use: text that can grow? (a) helps everyone (b) makes it harder
24. 24.♿ A screen has 11 icon buttons. Only 4 of them have a text label for screen readers. How many still need a label?
25. 25.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Caption: 10 px
    Footer: 27 px
    Menu: 17 px (a) Caption (b) Footer (c) Menu
26. 26.Which of these helps everyone use the app? (a) icons with no labels (b) text that can grow (c) tiny tap areas (d) fast-flashing lights
27. 27.Which of these helps everyone use the app? (a) tiny tap areas (b) captions on videos (c) sudden loud sounds (d) fast-flashing lights
28. 28.♿ A screen has 7 icon buttons. Only 4 of them have a text label for screen readers. How many still need a label?
29. 29.🔍 Which is the odd one out? (a) sudden loud sounds (b) text that can grow (c) big touch targets (d) labels on every icon
30. 30.♿ Does this help everyone, or make the app harder to use: big touch targets? (a) makes it harder (b) helps everyone
31. 31.♿ A screen has 10 icon buttons. Only 7 of them have a text label for screen readers. How many still need a label?
32. 32.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
    Body text: 13 px
    Footer: 15 px
    Label: 20 px
    Title: 15 px
33. 33.🔍 Which is the odd one out? (a) text that can grow (b) colour as the only clue (c) sudden loud sounds (d) fast-flashing lights
34. 34.Which of these helps everyone use the app? (a) labels on every icon (b) icons with no labels (c) tiny tap areas (d) sudden loud sounds
35. 35.♿ A screen has 11 icon buttons. Only 10 of them have a text label for screen readers. How many still need a label?
36. 36.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
    Hint: 11 px
    Menu: 15 px
    Caption: 17 px
37. 37.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
    Title: 12 px
    Caption: 14 px
    Footer: 10 px
    Hint: 15 px
38. 38.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Label: 18 px
    Hint: 13 px
    Menu: 25 px
    Body text: 26 px (a) Menu (b) Hint (c) Body text (d) Label
39. 39.♿ What does a screen reader do? (a) plays music (b) makes text tiny (c) reads the screen aloud (d) takes photos
40. 40.♿ A screen has 6 icon buttons. Only 1 of them have a text label for screen readers. How many still need a label?

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