first commit
Fixed README github URL
Supported orientation change
Updated readme doc
Diaplay correct aspect ratio
little refactoring
Removed unnecessary use of metrics
Removed redundant code and added LogCat output
Removed redundant code again
Fixed preview size select algorithm
Merged fix
Updated README.md
Added preview size selection feature
Fixed a non-critical issue that onSurfaceChanged() is called twice.
Included UI to arbitrarily set camera preview size
Added forgotten file
Added more explanation in README.md
Changed tag name
Fixed README.md
Added setting picture size to solve unable-to-startPreview problem.