自定义代码实现刻度尺、标尺

水平刻度尺，可以根据用户实际需要进行设置，现已实现2分隔和10分隔，有需要的可以下载，大家一起完善

/** Automatically generated file. DO NOT MODIFY */
package com.example.rulerdemo;

public final class BuildConfig {
    public final static boolean DEBUG = true;
}

 属性            大小     日期    时间   名称
----------- ---------  ---------- -----  ----
     目录           0  2015-10-29 15:26  RulerDemo\
     文件         475  2015-10-29 10:06  RulerDemo\.classpath
     文件         845  2015-10-29 10:06  RulerDemo\.project
     目录           0  2015-10-29 15:26  RulerDemo\.settings\
     文件         177  2015-10-29 15:26  RulerDemo\.settings\org.eclipse.jdt.core.prefs
     文件         864  2015-10-29 10:06  RulerDemo\AndroidManifest.xml
     目录           0  2015-10-29 10:06  RulerDemo\assets\
     目录           0  2015-10-30 14:22  RulerDemo\bin\
     文件         864  2015-10-30 14:14  RulerDemo\bin\AndroidManifest.xml
     目录           0  2015-10-30 14:14  RulerDemo\bin\classes\
     文件      836576  2015-10-30 14:19  RulerDemo\bin\classes.dex
     目录           0  2015-10-30 14:14  RulerDemo\bin\classes\com\
     目录           0  2015-10-30 14:14  RulerDemo\bin\classes\com\example\
     目录           0  2015-10-30 14:14  RulerDemo\bin\classes\com\example\rulerdemo\
     文件         351  2015-10-30 14:14  RulerDemo\bin\classes\com\example\rulerdemo\BuildConfig.class
     文件         272  2015-10-30 14:19  RulerDemo\bin\classes\com\example\rulerdemo\CustomRuler$OnValueChangeListener.class
     文件        9707  2015-10-30 14:19  RulerDemo\bin\classes\com\example\rulerdemo\CustomRuler.class
     文件        1169  2015-10-30 14:14  RulerDemo\bin\classes\com\example\rulerdemo\MainActivity$1.class
     文件        1005  2015-10-30 14:14  RulerDemo\bin\classes\com\example\rulerdemo\MainActivity$2.class
     文件        3194  2015-10-30 14:14  RulerDemo\bin\classes\com\example\rulerdemo\MainActivity.class
     文件        1779  2015-10-30 14:14  RulerDemo\bin\classes\com\example\rulerdemo\ObservableHorizontalScrollView$1.class
     文件         404  2015-10-30 14:14  RulerDemo\bin\classes\com\example\rulerdemo\ObservableHorizontalScrollView$HorizontalsScrollViewListener.class
     文件        3420  2015-10-30 14:14  RulerDemo\bin\classes\com\example\rulerdemo\ObservableHorizontalScrollView.class
     文件         349  2015-10-30 14:14  RulerDemo\bin\classes\com\example\rulerdemo\R$attr.class
     文件         511  2015-10-30 14:14  RulerDemo\bin\classes\com\example\rulerdemo\R$drawable.class
     文件         511  2015-10-30 14:14  RulerDemo\bin\classes\com\example\rulerdemo\R$id.class
     文件         412  2015-10-30 14:14  RulerDemo\bin\classes\com\example\rulerdemo\R$layout.class
     文件         442  2015-10-30 14:14  RulerDemo\bin\classes\com\example\rulerdemo\R$string.class
     文件         440  2015-10-30 14:14  RulerDemo\bin\classes\com\example\rulerdemo\R$style.class
     文件         603  2015-10-30 14:14  RulerDemo\bin\classes\com\example\rulerdemo\R.class
     文件        1123  2015-10-30 14:14  RulerDemo\bin\classes\com\example\rulerdemo\RadioRuler$FloatUtility.class
............此处省略60个文件信息