App Dev Worksheet: Accessibility

App development lesson 13: Accessibility · Set 581 · 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) reads the screen aloud (b) plays music (c) takes photos (d) makes text tiny
2. 2.♿ A screen has 10 icon buttons. Only 6 of them have a text label for screen readers. How many still need a label?
3. 3.🔍 Which is the odd one out? (a) labels on every icon (b) colour as the only clue (c) big touch targets (d) strong colour contrast
4. 4.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
   Label: 20 px
   Footer: 20 px
   Body text: 15 px
   Caption: 10 px
   Title: 18 px
5. 5.♿ Does this help everyone, or make the app harder to use: text that can grow? (a) makes it harder (b) helps everyone
6. 6.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
   Title: 23 px
   Caption: 21 px
   Label: 16 px
   Footer: 16 px
   Hint: 13 px
7. 7.♿ Does this help everyone, or make the app harder to use: strong colour contrast? (a) makes it harder (b) helps everyone
8. 8.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
   Label: 14 px
   Footer: 12 px
   Menu: 17 px
   Hint: 19 px
9. 9.♿ A screen has 8 icon buttons. Only 1 of them have a text label for screen readers. How many still need a label?
10. 10.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Footer: 17 px
    Label: 9 px
    Hint: 24 px (a) Footer (b) Hint (c) Label
11. 11.Which of these makes the app harder to use? (a) icons with no labels (b) strong colour contrast (c) big touch targets (d) labels on every icon
12. 12.Which of these helps everyone use the app? (a) labels on every icon (b) tiny tap areas (c) icons with no labels (d) sudden loud sounds
13. 13.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
    Label: 24 px
    Title: 16 px
    Hint: 12 px
14. 14.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
    Title: 13 px
    Footer: 12 px
    Label: 20 px
15. 15.♿ Does this help everyone, or make the app harder to use: labels on every icon? (a) helps everyone (b) makes it harder
16. 16.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Body text: 13 px
    Caption: 19 px
    Footer: 24 px
    Hint: 28 px (a) Body text (b) Hint (c) Footer (d) Caption
17. 17.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Footer: 20 px
    Caption: 23 px
    Hint: 11 px (a) Hint (b) Footer (c) Caption
18. 18.Which of these helps everyone use the app? (a) strong colour contrast (b) icons with no labels (c) colour as the only clue (d) tiny tap areas
19. 19.True or false: “colour as the only clue” helps everyone use the app. (a) True (b) False
20. 20.♿ Why add captions to videos? (a) to hide the sound (b) so anyone can follow (c) to add colour (d) to slow them down
21. 21.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
    Menu: 22 px
    Label: 11 px
    Title: 24 px
    Hint: 10 px
    Body text: 13 px
22. 22.True or false: “tiny tap areas” helps everyone use the app. (a) True (b) False
23. 23.Which of these helps everyone use the app? (a) big touch targets (b) icons with no labels (c) sudden loud sounds (d) tiny tap areas
24. 24.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Hint: 10 px
    Title: 21 px
    Footer: 19 px
    Menu: 24 px (a) Hint (b) Footer (c) Title (d) Menu
25. 25.♿ A screen has 12 icon buttons. Only 10 of them have a text label for screen readers. How many still need a label?
26. 26.True or false: “big touch targets” helps everyone use the app. (a) True (b) False
27. 27.True or false: “tiny tap areas” makes the app harder to use. (a) True (b) False
28. 28.♿ What should every icon-only button have for screen readers? (a) a sound (b) a long animation (c) a bright colour (d) a text label
29. 29.♿ Does this help everyone, or make the app harder to use: icons with no labels? (a) makes it harder (b) helps everyone
30. 30.♿ A screen has 5 icon buttons. Only 1 of them have a text label for screen readers. How many still need a label?
31. 31.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
    Hint: 20 px
    Menu: 11 px
    Body text: 23 px
    Label: 13 px
    Footer: 14 px
32. 32.True or false: “fast-flashing lights” makes the app harder to use. (a) False (b) True
33. 33.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Footer: 13 px
    Hint: 24 px
    Title: 25 px (a) Title (b) Footer (c) Hint
34. 34.♿ A screen has 5 icon buttons. Only 3 of them have a text label for screen readers. How many still need a label?
35. 35.♿ Does this help everyone, or make the app harder to use: sudden loud sounds? (a) makes it harder (b) helps everyone
36. 36.🔍 Which is the odd one out? (a) tiny tap areas (b) sudden loud sounds (c) captions on videos (d) icons with no labels
37. 37.♿ Does this help everyone, or make the app harder to use: colour as the only clue? (a) helps everyone (b) makes it harder
38. 38.♿ Does this help everyone, or make the app harder to use: big touch targets? (a) makes it harder (b) helps everyone
39. 39.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Caption: 21 px
    Body text: 18 px
    Menu: 25 px
    Footer: 24 px
    Hint: 9 px (a) Body text (b) Menu (c) Hint (d) Caption
40. 40.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
    Label: 16 px
    Caption: 20 px
    Hint: 21 px
    Body text: 21 px
    Footer: 19 px

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