add dev listview
Signed-off-by: qijiang.guo <qijiang.guo@gmail.com>
Merge branch 'Dev' of https://github.com/gqjjqg/android-widget-extend.git into Dev
support center layout.
support warp_content.
overide the onMeasure method.

Signed-off-by: qijiang.guo <qijiang.guo@gmail.com>