程序运行就崩溃。。布局文件就一个tablelayout

Question

package com.sptao.chess;

import android.app.*;
import android.os.*;
import android.widget.*;
import android.view.*;
import android.util.*;
import android.content.*;

public class MainActivity extends Activity
{
private final int WC = ViewGroup.LayoutParams.WRAP_CONTENT;

private final int FP = ViewGroup.LayoutParams.FILL_PARENT;

@Override
protected void onCreate(Bundle savedInstanceState)
{
    super.onCreate(savedInstanceState);
    setContentView(R.layout.main);

    DisplayMetrics dm = new DisplayMetrics();
    getWindowManager().getDefaultDisplay().getMetrics(dm);
    int width = dm.widthPixels;
    int height = dm.heightPixels;
    int map[][]={{0,0,0,0,0,0,0,0,0,0},//0行
    {1,0,0,0,0,0,0,0,0,0},//1
    {0,0,0,0,0,0,0,0,0,0},//2
    {0,0,0,0,1,0,0,0,0,0},//3
    {0,0,0,0,0,0,0,0,0,0},//4
    {0,0,0,0,0,0,1,0,0,0},//5
    {1,0,0,0,0,0,0,0,0,0},//6
    {0,0,0,0,0,0,0,0,0,0},//7
    {0,0,0,0,0,0,0,0,0,0}};//8.9
    int a = 0;
    Button bu []=new Button[100];
    //新建TableLayout的实例   
    TableLayout tableLayout = (TableLayout)findViewById(R.id.mainTableLayout1);  
    //全部列自动填充空白处   
    tableLayout.setShrinkAllColumns(true);  
    //生成10行，9列的表格   
    for(int row=0;row<10;row++)  //行
    {  
        TableRow tableRow=new TableRow(this);  
        for(int col=0;col<9;col++)  //列
        {  
        a++;
        switch( map[row][col])
        {
        case 0:

                break;
        default:

                bu.setTag(col+row);
                bu[a].setText("("+col+","+row"));
                tableRow.addView(bu[a]);
}


        //新建的TableRow添加到TableLayout   
        tableLayout.addView(tableRow, new TableLayout.LayoutParams(WC, WC));  
    }
}

}

Answer 1

运行就崩溃，打印的日志呢...........