App Dev Worksheet: Accessibility

App development lesson 13: Accessibility · Set 484 · 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.♿ A screen has 11 icon buttons. Only 5 of them have a text label for screen readers. How many still need a label?
2. 2.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
   Label: 11 px
   Menu: 18 px
   Hint: 23 px
3. 3.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
   Title: 13 px
   Body text: 17 px
   Footer: 23 px
4. 4.🔍 Which is the odd one out? (a) tiny tap areas (b) sudden loud sounds (c) colour as the only clue (d) labels on every icon
5. 5.♿ A screen has 6 icon buttons. Only 3 of them have a text label for screen readers. How many still need a label?
6. 6.♿ Does this help everyone, or make the app harder to use: icons with no labels? (a) makes it harder (b) helps everyone
7. 7.♿ Does this help everyone, or make the app harder to use: captions on videos? (a) makes it harder (b) helps everyone
8. 8.Which of these makes the app harder to use? (a) labels on every icon (b) icons with no labels (c) strong colour contrast (d) text that can grow
9. 9.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
   Hint: 12 px
   Body text: 28 px
   Menu: 16 px (a) Body text (b) Menu (c) Hint
10. 10.True or false: “fast-flashing lights” makes the app harder to use. (a) True (b) False
11. 11.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Menu: 24 px
    Hint: 25 px
    Body text: 9 px (a) Hint (b) Menu (c) Body text
12. 12.♿ A screen has 9 icon buttons. Only 5 of them have a text label for screen readers. How many still need a label?
13. 13.🔍 Which is the odd one out? (a) text that can grow (b) captions on videos (c) icons with no labels (d) strong colour contrast
14. 14.♿ Does this help everyone, or make the app harder to use: fast-flashing lights? (a) makes it harder (b) helps everyone
15. 15.Which of these helps everyone use the app? (a) captions on videos (b) icons with no labels (c) sudden loud sounds (d) tiny tap areas
16. 16.♿ Does this help everyone, or make the app harder to use: labels on every icon? (a) makes it harder (b) helps everyone
17. 17.Which of these helps everyone use the app? (a) tiny tap areas (b) labels on every icon (c) sudden loud sounds (d) icons with no labels
18. 18.Which of these makes the app harder to use? (a) labels on every icon (b) captions on videos (c) big touch targets (d) tiny tap areas
19. 19.🔍 Which is the odd one out? (a) icons with no labels (b) fast-flashing lights (c) captions on videos (d) sudden loud sounds
20. 20.🔍 Which is the odd one out? (a) big touch targets (b) captions on videos (c) strong colour contrast (d) sudden loud sounds
21. 21.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
    Label: 11 px
    Body text: 15 px
    Hint: 10 px
22. 22.True or false: “strong colour contrast” makes the app harder to use. (a) True (b) False
23. 23.♿ 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
24. 24.♿ Why add captions to videos? (a) so anyone can follow (b) to hide the sound (c) to slow them down (d) to add colour
25. 25.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Hint: 17 px
    Title: 11 px
    Label: 28 px (a) Label (b) Hint (c) Title
26. 26.♿ Showing right or wrong only in red and green is a problem for ___. (a) colour-blind users (b) the battery (c) fast typists (d) the server
27. 27.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Hint: 11 px
    Label: 19 px
    Menu: 23 px
    Caption: 16 px (a) Label (b) Caption (c) Menu (d) Hint
28. 28.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Caption: 17 px
    Label: 19 px
    Title: 11 px (a) Caption (b) Label (c) Title
29. 29.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
    Caption: 20 px
    Title: 22 px
    Body text: 17 px
30. 30.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Footer: 17 px
    Caption: 14 px
    Menu: 24 px
    Title: 18 px (a) Caption (b) Footer (c) Title (d) Menu
31. 31.♿ A screen has 5 icon buttons. Only 4 of them have a text label for screen readers. How many still need a label?
32. 32.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Caption: 18 px
    Footer: 19 px
    Menu: 22 px
    Label: 22 px
    Hint: 12 px (a) Footer (b) Hint (c) Menu (d) Caption
33. 33.♿ What does a screen reader do? (a) plays music (b) takes photos (c) reads the screen aloud (d) makes text tiny
34. 34.True or false: “text that can grow” helps everyone use the app. (a) False (b) True
35. 35.🔍 Which is the odd one out? (a) big touch targets (b) tiny tap areas (c) colour as the only clue (d) sudden loud sounds
36. 36.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
    Hint: 21 px
    Menu: 24 px
    Body text: 11 px
    Caption: 11 px
    Title: 16 px
37. 37.Which of these helps everyone use the app? (a) tiny tap areas (b) strong colour contrast (c) sudden loud sounds (d) fast-flashing lights
38. 38.True or false: “tiny tap areas” helps everyone use the app. (a) False (b) True
39. 39.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
    Body text: 22 px
    Title: 16 px
    Hint: 13 px
40. 40.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Caption: 25 px
    Title: 22 px
    Hint: 13 px (a) Caption (b) Hint (c) Title

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