Android之系统自带的文字外观设置及实际显示效果图

http://www.cnblogs.com/-cyb/archive/2011/08/02/Android_textAppearance.html

android:layout_gravity和android:gravity的区别

http://blog.csdn.net/shakespeare001/article/details/7843460

android之android:paddingLeft和android:layout_marginLeft区别：

http://blog.csdn.net/dbkmeteor/article/details/6822640

http://write.blog.csdn.net/postedit/23052015

Android中的Selector的用法

http://blog.csdn.net/shakespeare001/article/details/7788400

1、layout_toLeftOf

android:layout_toLeftOf="@id/ButtonSelectCity"

参考：http://blog.csdn.net/jason0539/article/details/9728337

2、 layout_weight

http://blog.sina.com.cn/s/blog_7cd0c0a80100zmfe.html

3、include

http://blog.csdn.net/wangljgood/article/details/6556175