App Dev Worksheet: Accessibility

App development lesson 13: Accessibility · Set 296 · 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 of these makes the app harder to use? (a) big touch targets (b) icons with no labels (c) strong colour contrast (d) captions on videos
2. 2.Which of these helps everyone use the app? (a) colour as the only clue (b) fast-flashing lights (c) tiny tap areas (d) text that can grow
3. 3.♿ A screen has 5 icon buttons. Only 1 of them have a text label for screen readers. How many still need a label?
4. 4.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
   Footer: 18 px
   Body text: 20 px
   Label: 14 px (a) Footer (b) Body text (c) Label
5. 5.🔍 Which is the odd one out? (a) strong colour contrast (b) captions on videos (c) icons with no labels (d) text that can grow
6. 6.♿ Does this help everyone, or make the app harder to use: big touch targets? (a) helps everyone (b) makes it harder
7. 7.🔍 Which is the odd one out? (a) text that can grow (b) strong colour contrast (c) captions on videos (d) fast-flashing lights
8. 8.♿ A screen has 7 icon buttons. Only 5 of them have a text label for screen readers. How many still need a label?
9. 9.Which of these makes the app harder to use? (a) captions on videos (b) labels on every icon (c) tiny tap areas (d) text that can grow
10. 10.True or false: “big touch targets” makes the app harder to use. (a) True (b) False
11. 11.Which of these helps everyone use the app? (a) sudden loud sounds (b) tiny tap areas (c) strong colour contrast (d) icons with no labels
12. 12.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
    Menu: 17 px
    Caption: 11 px
    Title: 20 px
    Body text: 16 px
13. 13.♿ A screen has 6 icon buttons. Only 5 of them have a text label for screen readers. How many still need a label?
14. 14.♿ Does this help everyone, or make the app harder to use: labels on every icon? (a) makes it harder (b) helps everyone
15. 15.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Footer: 14 px
    Body text: 28 px
    Hint: 17 px (a) Footer (b) Hint (c) Body text
16. 16.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
    Body text: 13 px
    Hint: 16 px
    Footer: 18 px
17. 17.♿ What should every icon-only button have for screen readers? (a) a sound (b) a bright colour (c) a text label (d) a long animation
18. 18.♿ Showing right or wrong only in red and green is a problem for ___. (a) fast typists (b) the server (c) colour-blind users (d) the battery
19. 19.True or false: “icons with no labels” helps everyone use the app. (a) False (b) True
20. 20.♿ A screen has 6 icon buttons. Only 4 of them have a text label for screen readers. How many still need a label?
21. 21.♿ A screen has 12 icon buttons. Only 3 of them have a text label for screen readers. How many still need a label?
22. 22.♿ Does this help everyone, or make the app harder to use: text that can grow? (a) makes it harder (b) helps everyone
23. 23.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Footer: 24 px
    Body text: 17 px
    Caption: 28 px
    Label: 14 px
    Hint: 23 px (a) Footer (b) Caption (c) Label (d) Body text
24. 24.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Hint: 20 px
    Caption: 13 px
    Menu: 24 px
    Body text: 24 px (a) Body text (b) Hint (c) Caption (d) Menu
25. 25.♿ Does this help everyone, or make the app harder to use: strong colour contrast? (a) makes it harder (b) helps everyone
26. 26.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
    Hint: 14 px
    Title: 22 px
    Label: 22 px
    Body text: 14 px
    Footer: 13 px
27. 27.♿ What does a screen reader do? (a) reads the screen aloud (b) makes text tiny (c) takes photos (d) plays music
28. 28.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Body text: 10 px
    Footer: 25 px
    Menu: 18 px
    Hint: 19 px
    Title: 19 px (a) Footer (b) Body text (c) Hint (d) Menu
29. 29.Which of these helps everyone use the app? (a) sudden loud sounds (b) tiny tap areas (c) fast-flashing lights (d) big touch targets
30. 30.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Footer: 13 px
    Caption: 20 px
    Title: 25 px (a) Caption (b) Title (c) Footer
31. 31.♿ A screen has 11 icon buttons. Only 4 of them have a text label for screen readers. How many still need a label?
32. 32.True or false: “labels on every icon” helps everyone use the app. (a) False (b) True
33. 33.🔍 Which is the odd one out? (a) sudden loud sounds (b) fast-flashing lights (c) big touch targets (d) icons with no labels
34. 34.♿ Does this help everyone, or make the app harder to use: captions on videos? (a) makes it harder (b) helps everyone
35. 35.♿ Why add captions to videos? (a) so anyone can follow (b) to add colour (c) to slow them down (d) to hide the sound
36. 36.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
    Caption: 24 px
    Body text: 15 px
    Title: 21 px
    Menu: 14 px
37. 37.♿ A screen has 8 icon buttons. Only 1 of them have a text label for screen readers. How many still need a label?
38. 38.Which of these helps everyone use the app? (a) tiny tap areas (b) captions on videos (c) icons with no labels (d) fast-flashing lights
39. 39.🔍 Which is the odd one out? (a) fast-flashing lights (b) icons with no labels (c) text that can grow (d) tiny tap areas
40. 40.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Title: 11 px
    Hint: 25 px
    Caption: 17 px (a) Caption (b) Title (c) Hint

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