App Dev Worksheet: Accessibility

App development lesson 13: Accessibility · Set 616 · 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. How many texts on this screen are too small?
   Footer: 10 px
   Menu: 14 px
   Title: 19 px
   Hint: 16 px
   Body text: 19 px
2. 2.True or false: “colour as the only clue” makes the app harder to use. (a) False (b) True
3. 3.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
   Caption: 16 px
   Title: 10 px
   Body text: 22 px
   Hint: 19 px
   Label: 25 px (a) Body text (b) Caption (c) Hint (d) Title
4. 4.♿ What does a screen reader do? (a) plays music (b) reads the screen aloud (c) takes photos (d) makes text tiny
5. 5.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
   Title: 13 px
   Menu: 11 px
   Label: 18 px
   Hint: 18 px
   Footer: 20 px
6. 6.♿ A screen has 8 icon buttons. Only 5 of them have a text label for screen readers. How many still need a label?
7. 7.🔍 Which is the odd one out? (a) big touch targets (b) strong colour contrast (c) text that can grow (d) sudden loud sounds
8. 8.True or false: “tiny tap areas” helps everyone use the app. (a) True (b) False
9. 9.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
   Label: 13 px
   Title: 24 px
   Hint: 24 px (a) Label (b) Title (c) Hint
10. 10.🔍 Which is the odd one out? (a) big touch targets (b) strong colour contrast (c) fast-flashing lights (d) captions on videos
11. 11.Which of these helps everyone use the app? (a) fast-flashing lights (b) icons with no labels (c) strong colour contrast (d) colour as the only clue
12. 12.Which of these helps everyone use the app? (a) fast-flashing lights (b) captions on videos (c) icons with no labels (d) colour as the only clue
13. 13.Which of these makes the app harder to use? (a) big touch targets (b) text that can grow (c) strong colour contrast (d) sudden loud sounds
14. 14.🔍 Which is the odd one out? (a) big touch targets (b) tiny tap areas (c) strong colour contrast (d) labels on every icon
15. 15.Which of these helps everyone use the app? (a) fast-flashing lights (b) sudden loud sounds (c) icons with no labels (d) text that can grow
16. 16.♿ A screen has 9 icon buttons. Only 2 of them have a text label for screen readers. How many still need a label?
17. 17.♿ What should every icon-only button have for screen readers? (a) a sound (b) a long animation (c) a text label (d) a bright colour
18. 18.Which of these helps everyone use the app? (a) icons with no labels (b) big touch targets (c) sudden loud sounds (d) fast-flashing lights
19. 19.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
    Label: 23 px
    Body text: 18 px
    Menu: 12 px
    Caption: 11 px
20. 20.True or false: “text that can grow” makes the app harder to use. (a) True (b) False
21. 21.Which of these helps everyone use the app? (a) labels on every icon (b) icons with no labels (c) fast-flashing lights (d) colour as the only clue
22. 22.♿ A screen has 11 icon buttons. Only 4 of them have a text label for screen readers. How many still need a label?
23. 23.♿ Does this help everyone, or make the app harder to use: fast-flashing lights? (a) makes it harder (b) helps everyone
24. 24.♿ Does this help everyone, or make the app harder to use: sudden loud sounds? (a) helps everyone (b) makes it harder
25. 25.Which of these makes the app harder to use? (a) colour as the only clue (b) big touch targets (c) strong colour contrast (d) text that can grow
26. 26.🔍 Which is the odd one out? (a) big touch targets (b) fast-flashing lights (c) icons with no labels (d) colour as the only clue
27. 27.🔍 Which is the odd one out? (a) tiny tap areas (b) labels on every icon (c) fast-flashing lights (d) sudden loud sounds
28. 28.♿ Does this help everyone, or make the app harder to use: icons with no labels? (a) makes it harder (b) helps everyone
29. 29.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
    Label: 13 px
    Body text: 18 px
    Menu: 13 px
    Title: 11 px
    Footer: 11 px
30. 30.True or false: “big touch targets” makes the app harder to use. (a) True (b) False
31. 31.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Hint: 23 px
    Menu: 12 px
    Label: 24 px (a) Label (b) Hint (c) Menu
32. 32.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
    Caption: 14 px
    Menu: 22 px
    Body text: 13 px
    Title: 15 px
    Footer: 22 px
33. 33.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
    Label: 16 px
    Caption: 17 px
    Footer: 20 px
34. 34.♿ A screen has 5 icon buttons. Only 2 of them have a text label for screen readers. How many still need a label?
35. 35.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
    Body text: 16 px
    Menu: 14 px
    Caption: 12 px
36. 36.♿ Does this help everyone, or make the app harder to use: big touch targets? (a) makes it harder (b) helps everyone
37. 37.♿ A screen has 5 icon buttons. Only 3 of them have a text label for screen readers. How many still need a label?
38. 38.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Menu: 17 px
    Title: 27 px
    Hint: 18 px
    Footer: 9 px (a) Hint (b) Menu (c) Title (d) Footer
39. 39.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Footer: 9 px
    Caption: 21 px
    Hint: 25 px (a) Footer (b) Caption (c) Hint
40. 40.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Body text: 26 px
    Title: 10 px
    Footer: 20 px
    Hint: 16 px
    Caption: 27 px (a) Title (b) Footer (c) Body text (d) Hint

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