public static class PercentLayoutInfo 
  { 
 
    private enum BASEMODE 
    { 
 
      BASE_WIDTH, BASE_HEIGHT, BASE_SCREEN_WIDTH, BASE_SCREEN_HEIGHT; 
 
      /** 
       * width_parent 
       */ 
      public static final String PERCENT = "%"; 
      /** 
       * width_parent 
       */ 
      public static final String W = "w"; 
      /** 
       * height_parent 
       */ 
      public static final String H = "h"; 
      /** 
       * width_screen 
       */ 
      public static final String SW = "sw"; 
      /** 
       * height_screen 
       */ 
      public static final String SH = "sh"; 
    } 
.............. 

PercentLayoutInfo.PercentVal percentVal = new PercentLayoutInfo.PercentVal(); 
    percentVal.percent = percent; 
    if (percentStr.endsWith(PercentLayoutInfo.BASEMODE.SW)) 
    { 
      percentVal.basemode = PercentLayoutInfo.BASEMODE.BASE_SCREEN_WIDTH; 
    } else if (percentStr.endsWith(PercentLayoutInfo.BASEMODE.SH)) 
    { 
      percentVal.basemode = PercentLayoutInfo.BASEMODE.BASE_SCREEN_HEIGHT; 
    } else if (percentStr.endsWith(PercentLayoutInfo.BASEMODE.PERCENT)) 
    { 
      if (isOnWidth) 
      { 
        percentVal.basemode = PercentLayoutInfo.BASEMODE.BASE_WIDTH; 
      } else 
      { 
        percentVal.basemode = PercentLayoutInfo.BASEMODE.BASE_HEIGHT; 
      } 
    } else if (percentStr.endsWith(PercentLayoutInfo.BASEMODE.W)) 
    { 
      percentVal.basemode = PercentLayoutInfo.BASEMODE.BASE_WIDTH; 
    } else if (percentStr.endsWith(PercentLayoutInfo.BASEMODE.H)) 
    { 
      percentVal.basemode = PercentLayoutInfo.BASEMODE.BASE_HEIGHT; 
    } else 
    { 
      throw new IllegalArgumentException("the " + percentStr + " must be endWith [%|w|h|sw|sh]"); 
    } 
 
    return percentVal; 
  }