private long downTime;
//最小值
private int minValue;
//最大值
private int maxValue;
//每刻度 值
private float spacingValue;
//控件宽度
private float mWidth;
//控件高度
private float mHeight;
//刻度间隔距离
private float perWidth;
//短刻度高度
private float shortHeight;
//长刻度高度
private float longHeight;
//中线高度
private float middleHeight;
//刻度线宽
private float lineWidth;
//中刻度线宽
private float middleLineWidth;
//文字大小
private float textSize;
//刻度线颜色
private int lineColor;
//中线颜色
private int middleLineColor;
//文字颜色
private int textColor;
//大刻度间距
private int longSpacingValue;
//文字和长刻度距离
private float textMargin;
//刻度线画笔
private Paint linePaint;
//中线画笔
private Paint middlePaint;
//刻度文字画笔
private Paint mTextPaint;
//开始横坐标
private float startX;
//路径
private Path mPath;
//当前值
private int mCurrentValue;
//是否显示底线
private boolean showBaseLine;
