croupier: Modify Game UI to get nearer to true Hearts UI

The Card Collection is now drawn more nicely (Stack of Positioned Card).
I use Flex with JustifyFlexContent.spaceAround and spaceBetween.

The UI is kinda like this:
https://drive.google.com/a/google.com/file/d/0B8atBVyuAi_kbDZlekhSeGdNaFk/view?usp=sharing

With a little bit of extra debug info.

Since a lot of the components now need to know their size, I have started
to track widths and heights, somewhat messily.

Change-Id: I02b6a1376d35cb776bd36c6b77a7f8e38ef19931
10 files changed
tree: 6d0941dffcc864064bb100d31be386ab3199d250
  1. go/
  2. lib/
  3. test/
  4. .gitignore
  5. AUTHORS
  6. CONTRIBUTING
  7. CONTRIBUTORS
  8. LICENSE
  9. Makefile
  10. mojoconfig
  11. PATENTS
  12. pubspec.yaml
  13. README.md
  14. VERSION
README.md

This is the basic Getting Started with Sky + some Widgets.

To run this, just do ./packages/sky/sky_tool start

when your phone is connected. Add --install to the end if this is the first run.

You may also want to debug any problems. Use dartanalyzer. dartanalyzer lib/main.dart