App Dev Worksheet: Accessibility

App development lesson 13: Accessibility · Set 436 · 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.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
   Hint: 22 px
   Body text: 14 px
   Label: 17 px
2. 2.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
   Caption: 15 px
   Title: 22 px
   Footer: 23 px
3. 3.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
   Hint: 24 px
   Menu: 16 px
   Label: 24 px
4. 4.🔍 Which is the odd one out? (a) text that can grow (b) colour as the only clue (c) labels on every icon (d) big touch targets
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.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
   Title: 13 px
   Menu: 21 px
   Body text: 19 px
   Caption: 19 px
7. 7.Which of these makes the app harder to use? (a) strong colour contrast (b) labels on every icon (c) big touch targets (d) icons with no labels
8. 8.🔍 Which is the odd one out? (a) icons with no labels (b) fast-flashing lights (c) labels on every icon (d) tiny tap areas
9. 9.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
   Title: 25 px
   Label: 21 px
   Menu: 17 px
   Caption: 14 px
   Body text: 28 px (a) Caption (b) Menu (c) Title (d) Label
10. 10.♿ A screen has 12 icon buttons. Only 3 of them have a text label for screen readers. How many still need a label?
11. 11.🔍 Which is the odd one out? (a) fast-flashing lights (b) icons with no labels (c) big touch targets (d) sudden loud sounds
12. 12.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Body text: 22 px
    Menu: 12 px
    Caption: 24 px
    Label: 24 px
    Title: 22 px (a) Caption (b) Menu (c) Label (d) Body text
13. 13.♿ Does this help everyone, or make the app harder to use: tiny tap areas? (a) makes it harder (b) helps everyone
14. 14.♿ A screen has 6 icon buttons. Only 2 of them have a text label for screen readers. How many still need a label?
15. 15.Which of these helps everyone use the app? (a) colour as the only clue (b) tiny tap areas (c) sudden loud sounds (d) captions on videos
16. 16.True or false: “fast-flashing lights” helps everyone use the app. (a) False (b) True
17. 17.🔍 Which is the odd one out? (a) labels on every icon (b) fast-flashing lights (c) big touch targets (d) captions on videos
18. 18.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Body text: 26 px
    Label: 10 px
    Hint: 16 px (a) Label (b) Body text (c) Hint
19. 19.Which of these makes the app harder to use? (a) text that can grow (b) labels on every icon (c) fast-flashing lights (d) strong colour contrast
20. 20.♿ What does a screen reader do? (a) reads the screen aloud (b) makes text tiny (c) takes photos (d) plays music
21. 21.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
    Label: 21 px
    Title: 12 px
    Hint: 16 px
22. 22.Which of these makes the app harder to use? (a) strong colour contrast (b) big touch targets (c) sudden loud sounds (d) labels on every icon
23. 23.♿ Does this help everyone, or make the app harder to use: big touch targets? (a) helps everyone (b) makes it harder
24. 24.🔍 Which is the odd one out? (a) labels on every icon (b) captions on videos (c) strong colour contrast (d) tiny tap areas
25. 25.♿ Does this help everyone, or make the app harder to use: text that can grow? (a) helps everyone (b) makes it harder
26. 26.♿ A screen has 12 icon buttons. Only 11 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. Which text on this screen is too small?
    Title: 11 px
    Label: 22 px
    Caption: 28 px
    Hint: 26 px
    Menu: 25 px (a) Label (b) Hint (c) Caption (d) Title
28. 28.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
    Hint: 16 px
    Footer: 15 px
    Menu: 24 px
29. 29.♿ Why add captions to videos? (a) to hide the sound (b) to slow them down (c) so anyone can follow (d) to add colour
30. 30.♿ A screen has 11 icon buttons. Only 4 of them have a text label for screen readers. How many still need a label?
31. 31.Which of these helps everyone use the app? (a) sudden loud sounds (b) icons with no labels (c) strong colour contrast (d) tiny tap areas
32. 32.♿ What should every icon-only button have for screen readers? (a) a long animation (b) a bright colour (c) a sound (d) a text label
33. 33.🔍 Which is the odd one out? (a) strong colour contrast (b) labels on every icon (c) captions on videos (d) sudden loud sounds
34. 34.True or false: “captions on videos” makes the app harder to use. (a) False (b) True
35. 35.♿ Does this help everyone, or make the app harder to use: fast-flashing lights? (a) makes it harder (b) helps everyone
36. 36.♿ A screen has 6 icon buttons. Only 4 of them have a text label for screen readers. How many still need a label?
37. 37.♿ A screen has 7 icon buttons. Only 1 of them have a text label for screen readers. How many still need a label?
38. 38.Which of these makes the app harder to use? (a) text that can grow (b) captions on videos (c) colour as the only clue (d) big touch targets
39. 39.♿ A screen has 7 icon buttons. Only 4 of them have a text label for screen readers. How many still need a label?
40. 40.Which of these makes the app harder to use? (a) captions on videos (b) big touch targets (c) strong colour contrast (d) tiny tap areas

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