App Dev Worksheet: Accessibility

App development lesson 13: Accessibility · Set 461 · 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: text that can grow? (a) helps everyone (b) makes it harder
2. 2.♿ What should every icon-only button have for screen readers? (a) a text label (b) a long animation (c) a sound (d) a bright colour
3. 3.♿ Does this help everyone, or make the app harder to use: strong colour contrast? (a) makes it harder (b) helps everyone
4. 4.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
   Hint: 24 px
   Label: 27 px
   Title: 18 px
   Body text: 20 px
   Footer: 9 px (a) Label (b) Hint (c) Title (d) Footer
5. 5.True or false: “text that can grow” makes the app harder to use. (a) True (b) False
6. 6.♿ A screen has 10 icon buttons. Only 7 of them have a text label for screen readers. How many still need a label?
7. 7.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
   Caption: 13 px
   Menu: 23 px
   Title: 24 px
   Label: 11 px
   Hint: 13 px
8. 8.♿ What does a screen reader do? (a) plays music (b) reads the screen aloud (c) makes text tiny (d) takes photos
9. 9.True or false: “fast-flashing lights” makes the app harder to use. (a) True (b) False
10. 10.♿ Does this help everyone, or make the app harder to use: labels on every icon? (a) makes it harder (b) helps everyone
11. 11.Which of these makes the app harder to use? (a) big touch targets (b) labels on every icon (c) text that can grow (d) sudden loud sounds
12. 12.🔍 Which is the odd one out? (a) fast-flashing lights (b) labels on every icon (c) sudden loud sounds (d) colour as the only clue
13. 13.Which of these helps everyone use the app? (a) tiny tap areas (b) sudden loud sounds (c) icons with no labels (d) labels on every icon
14. 14.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
    Footer: 19 px
    Hint: 19 px
    Menu: 15 px
    Title: 15 px
15. 15.Which of these helps everyone use the app? (a) sudden loud sounds (b) colour as the only clue (c) text that can grow (d) fast-flashing lights
16. 16.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
    Label: 19 px
    Hint: 23 px
    Title: 15 px
17. 17.Which of these helps everyone use the app? (a) colour as the only clue (b) captions on videos (c) sudden loud sounds (d) fast-flashing lights
18. 18.♿ Does this help everyone, or make the app harder to use: big touch targets? (a) makes it harder (b) helps everyone
19. 19.♿ A screen has 12 icon buttons. Only 5 of them have a text label for screen readers. How many still need a label?
20. 20.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
    Title: 11 px
    Body text: 11 px
    Footer: 12 px
21. 21.🔍 Which is the odd one out? (a) sudden loud sounds (b) strong colour contrast (c) colour as the only clue (d) tiny tap areas
22. 22.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
    Hint: 17 px
    Footer: 23 px
    Title: 20 px
23. 23.♿ A screen has 11 icon buttons. Only 1 of them have a text label for screen readers. How many still need a label?
24. 24.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Title: 25 px
    Hint: 14 px
    Label: 22 px
    Footer: 28 px
    Caption: 27 px (a) Title (b) Label (c) Hint (d) Footer
25. 25.♿ Does this help everyone, or make the app harder to use: sudden loud sounds? (a) helps everyone (b) makes it harder
26. 26.♿ Why add captions to videos? (a) so anyone can follow (b) to add colour (c) to hide the sound (d) to slow them down
27. 27.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
    Label: 10 px
    Hint: 20 px
    Caption: 19 px
28. 28.Which of these makes the app harder to use? (a) strong colour contrast (b) text that can grow (c) labels on every icon (d) fast-flashing lights
29. 29.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Caption: 9 px
    Title: 20 px
    Hint: 23 px
    Menu: 21 px (a) Caption (b) Title (c) Menu (d) Hint
30. 30.🔍 Which is the odd one out? (a) text that can grow (b) fast-flashing lights (c) labels on every icon (d) big touch targets
31. 31.True or false: “colour as the only clue” makes the app harder to use. (a) True (b) False
32. 32.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Caption: 21 px
    Title: 9 px
    Body text: 18 px (a) Body text (b) Caption (c) Title
33. 33.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
    Hint: 23 px
    Label: 10 px
    Caption: 21 px
    Footer: 16 px
    Title: 18 px
34. 34.Which of these helps everyone use the app? (a) icons with no labels (b) big touch targets (c) colour as the only clue (d) fast-flashing lights
35. 35.♿ Does this help everyone, or make the app harder to use: tiny tap areas? (a) makes it harder (b) helps everyone
36. 36.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Menu: 17 px
    Body text: 18 px
    Footer: 14 px (a) Menu (b) Body text (c) Footer
37. 37.♿ A screen has 6 icon buttons. Only 1 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?
    Footer: 9 px
    Caption: 17 px
    Title: 25 px (a) Caption (b) Title (c) Footer
39. 39.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
    Footer: 11 px
    Menu: 12 px
    Label: 15 px
    Title: 22 px
    Caption: 11 px
40. 40.🔍 Which is the odd one out? (a) tiny tap areas (b) icons with no labels (c) captions on videos (d) fast-flashing lights

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