Android柱状图-柱子分组

import java.lang.reflect.Array;
import java.util.ArrayList;
import java.util.Arrays;
import java.util.HashMap;
import java.util.List;
import java.util.Map;


public class MyTestMap {
	static int barGroupNum;//柱子数分为奇数和偶数
	static int total ;//共有的组数
	static List<double[]>list;
	static int align = 2;//每组柱子间隔
	static int[]xPoing;
	
	public static void main(String[] args) {
		list = new ArrayList<double[]>();
		barGroupNum = 3;
		total = 4;
		xPoing = new int[total];
		totalData();
		int length = list.size();
		for (int i = 0; i < length; i++) {
			double[] d = list.get(i);
			System.out.println(Arrays.toString(d));
		}
		System.out.println("===============");
		System.out.println(Arrays.toString(xPoing));
	}

	private static void totalData() {
		int count = 0;
		if(barGroupNum%2 != 0){
			for(int i = 1; i <= total; i++){
				double[] d = new double[barGroupNum];
				for(int j = 1; j <= barGroupNum; j++ ){
					int x = (total+1)*(j-1)+i;
					d[j-1] = x;
					if(j == (barGroupNum/2+1)){
						xPoing[count++] = x;
					}
				}
				list.add(d);
			}
		}else{
			for(int i = 1; i <= total; i++){
				double[] d = new double[barGroupNum];
				int j = 1;
				for(; j <= barGroupNum/2; j++ ){
					d[j-1] = (barGroupNum+2)*(i-1)+j;
				}
				xPoing[count++] = (barGroupNum+2)*(i-1)+j;
				int a = j-1;
				for(j = barGroupNum/2+2; j <= barGroupNum+1; j++ ){
					d[a++] = (barGroupNum+2)*(i-1)+j;
				}
				list.add(d);
			}
		}
	}
	
}