App Dev Worksheet: Accessibility

App development lesson 13: Accessibility · Set 367 · 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.♿ What does a screen reader do? (a) takes photos (b) makes text tiny (c) plays music (d) reads the screen aloud
2. 2.♿ Does this help everyone, or make the app harder to use: labels on every icon? (a) helps everyone (b) makes it harder
3. 3.🔍 Which is the odd one out? (a) colour as the only clue (b) tiny tap areas (c) icons with no labels (d) labels on every icon
4. 4.Which of these helps everyone use the app? (a) captions on videos (b) sudden loud sounds (c) colour as the only clue (d) fast-flashing lights
5. 5.♿ Showing right or wrong only in red and green is a problem for ___. (a) the battery (b) the server (c) fast typists (d) colour-blind users
6. 6.♿ Does this help everyone, or make the app harder to use: colour as the only clue? (a) helps everyone (b) makes it harder
7. 7.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
   Title: 14 px
   Footer: 13 px
   Hint: 24 px
8. 8.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
   Caption: 20 px
   Title: 24 px
   Menu: 24 px
   Footer: 14 px (a) Menu (b) Title (c) Caption (d) Footer
9. 9.Which of these makes the app harder to use? (a) big touch targets (b) sudden loud sounds (c) labels on every icon (d) text that can grow
10. 10.🔍 Which is the odd one out? (a) fast-flashing lights (b) big touch targets (c) sudden loud sounds (d) colour as the only clue
11. 11.Which of these makes the app harder to use? (a) text that can grow (b) big touch targets (c) fast-flashing lights (d) strong colour contrast
12. 12.♿ Does this help everyone, or make the app harder to use: icons with no labels? (a) makes it harder (b) helps everyone
13. 13.♿ A screen has 8 icon buttons. Only 1 of them have a text label for screen readers. How many still need a label?
14. 14.♿ What should every icon-only button have for screen readers? (a) a bright colour (b) a text label (c) a long animation (d) a sound
15. 15.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Title: 10 px
    Caption: 26 px
    Body text: 20 px
    Menu: 17 px (a) Body text (b) Caption (c) Title (d) Menu
16. 16.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Footer: 20 px
    Label: 14 px
    Menu: 24 px
    Title: 19 px (a) Menu (b) Title (c) Label (d) Footer
17. 17.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Body text: 27 px
    Footer: 10 px
    Title: 25 px
    Menu: 25 px (a) Body text (b) Title (c) Footer (d) Menu
18. 18.🔍 Which is the odd one out? (a) captions on videos (b) tiny tap areas (c) labels on every icon (d) big touch targets
19. 19.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
    Hint: 20 px
    Label: 23 px
    Title: 17 px
    Footer: 16 px
20. 20.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Title: 22 px
    Menu: 18 px
    Caption: 9 px
    Hint: 22 px (a) Hint (b) Caption (c) Title (d) Menu
21. 21.🔍 Which is the odd one out? (a) text that can grow (b) tiny tap areas (c) colour as the only clue (d) sudden loud sounds
22. 22.Which of these makes the app harder to use? (a) big touch targets (b) tiny tap areas (c) text that can grow (d) strong colour contrast
23. 23.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Hint: 19 px
    Menu: 10 px
    Label: 16 px (a) Label (b) Hint (c) Menu
24. 24.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
    Body text: 24 px
    Hint: 23 px
    Title: 15 px
    Caption: 19 px
    Menu: 23 px
25. 25.True or false: “strong colour contrast” makes the app harder to use. (a) False (b) True
26. 26.♿ A screen has 5 icon buttons. Only 4 of them have a text label for screen readers. How many still need a label?
27. 27.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
    Menu: 23 px
    Title: 15 px
    Footer: 14 px
28. 28.True or false: “strong colour contrast” helps everyone use the app. (a) True (b) False
29. 29.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Hint: 16 px
    Title: 9 px
    Body text: 27 px (a) Hint (b) Body text (c) Title
30. 30.🔍 Which is the odd one out? (a) text that can grow (b) icons with no labels (c) big touch targets (d) strong colour contrast
31. 31.Which of these helps everyone use the app? (a) fast-flashing lights (b) icons with no labels (c) colour as the only clue (d) big touch targets
32. 32.♿ A screen has 8 icon buttons. Only 6 of them have a text label for screen readers. How many still need a label?
33. 33.♿ A screen has 5 icon buttons. Only 3 of them have a text label for screen readers. How many still need a label?
34. 34.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Title: 17 px
    Footer: 21 px
    Menu: 28 px
    Hint: 11 px (a) Menu (b) Hint (c) Footer (d) Title
35. 35.True or false: “big touch targets” makes the app harder to use. (a) True (b) False
36. 36.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
    Menu: 23 px
    Body text: 19 px
    Hint: 17 px
37. 37.🔍 Which is the odd one out? (a) strong colour contrast (b) text that can grow (c) fast-flashing lights (d) labels on every icon
38. 38.♿ A screen has 6 icon buttons. Only 3 of them have a text label for screen readers. How many still need a label?
39. 39.♿ A screen has 6 icon buttons. Only 5 of them have a text label for screen readers. How many still need a label?
40. 40.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Menu: 24 px
    Body text: 18 px
    Hint: 11 px
    Caption: 21 px
    Footer: 26 px (a) Caption (b) Hint (c) Body text (d) Menu

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