package com.de.sizhe;

import java.math.RoundingMode;

import java.text.DecimalFormat;

import android.os.Bundle;

import android.os.Handler;

import android.view.View;

import android.view.View.OnClickListener;

import android.widget.Button;

import android.widget.EditText;

import android.widget.TableLayout;

import android.widget.TableRow;

import android.widget.TextView;

import android.app.Activity;

import android.content.Intent;

public class ChujiActivity extends Activity {

    private TableLayout tableLayout;

    private TextView tv1;

    private Button b1;

    private int count=0;

    private int t=0;

    static DecimalFormat decimal = new DecimalFormat("#.##");

    private Handler handler=new Handler();

    private Runnable runnable=new Runnable() {

        @Override

        public void run() {

            // TODO Auto-generated method stub

            ++t;

            tv1.setText("时间："+String.valueOf(t));

            handler.postDelayed(runnable, 1000);

        }

    };

    @Override

    protected void onCreate(Bundle savedInstanceState) {

        super.onCreate(savedInstanceState);

        setContentView(R.layout.activity_tgaoji);

        handler.postDelayed(runnable, 1000);

        final Intent intent1=new Intent(ChujiActivity.this,TDeFenActivity.class);

        tableLayout=(TableLayout) findViewById(R.id.GTab);

        b1=(Button) findViewById(R.id.b1);

        tv1=(TextView) findViewById(R.id.shijian);

        Intent intent=getIntent();

        Bundle bundle=intent.getExtras();

        count=bundle.getInt("tishu");//获取题目数量        

        String str1 = new String();    //题目

        final String s[] = new String[count]; //题目数组

        final String[] str=new String[count];  //用户输入的答案数组

        final String[] bjanswer = new String[count];// 标准答案

        int[] num1 = new int[4];   //计算的各个数值

        final EditText[] answer=new EditText[count];

        TextView[] show=new TextView[count];

        for(int i=0;i<count;i++)

        {

            int n=2;//4个操作数

            char[] op = { '+', '-', '×', '÷' };

            int[] no = new int[4];

            int cs;// 正负参数

            TableRow tableRow=new TableRow(this);

            show[i]=new TextView(this);

            answer[i]=new EditText(this);

            tableRow.addView(show[i]);

            tableRow.addView(answer[i]);

            for (int j = 0; j < n; j++)

            {

                cs = (int) (Math.random() * 2);

                if (cs == 0)// 负数

                    num1[j] = -(int) (Math.random() * 10);// 控制随机数数值

                else// 正数

                    num1[j] = (int) (Math.random() * 10);// 控制随机数数值

            }

            for (int k = 0; k < n - 1; k++)

            {

                no[k] = (int) (Math.random() * 4);// 随机产生操作符

                if (no[k] == 3 && num1[k + 1] == 0)

                {

                    do {

                        num1[k + 1] = (int) (Math.random() * 100);// 如果除号后为0，则重新取数。

                        } while (num1[k + 1] == 0);

                }

            }

            for (int h = 0; h < n; h++)

            {

                if (h != n - 1)

                {

                    if (num1[h] < 0)

                        str1 = str1 +"  (" + String.valueOf(num1[h])+")" + String.valueOf(op[no[h]]);

                    else

                        str1 = str1 +"  "+ String.valueOf(num1[h])+ String.valueOf(op[no[h]]);

                }

                else

                {

                    if (num1[h] < 0)

                        str1 = str1 +"  (" + String.valueOf(num1[h]) +")=";

                    else

                        str1 = str1+"  " + String.valueOf(num1[h]) + "=";

                }

            }

            s[i] = str1;

            str1 = new String();

            // 计算标准答案

            int sign; // 累加运算时的符号

            float left, right;// 保存蹭结果

            decimal.setRoundingMode(RoundingMode.HALF_UP);

            left = 0;

            right = num1[0];

            sign = 1;

            for (int g = 0; g < n - 1; g++)

            {

                switch (op[no[g]])

                {

                case '+':

                    left = left + sign * right;

                    sign = 1;

                    right = num1[g + 1];

                    break;

                case '-':

                    left = left + sign * right;

                    sign = -1;

                    right = num1[g + 1];

                    break;

                case '×':

                    right = right * num1[g + 1];

                    break;

                case '÷':

                    right = right / num1[g + 1];

                    break;

                }

            }

            bjanswer[i] = String.valueOf(decimal.format(left + sign * right));

            show[i].setText(s[i]);

            show[i].setTextSize(18);

            answer[i].setEms(5);

            answer[i].setId(i);

            tableLayout.addView(tableRow);

        }

        b1.setOnClickListener(new OnClickListener() {

            @Override

            public void onClick(View arg0) {

                // TODO Auto-generated method stub

                for(int i=0;i<count;i++)

                {

                    str[i]=answer[i].getText().toString();        //用户输入的答案数组

                }

                Bundle bundle=new Bundle();

                bundle.putStringArray("timu", s);

                bundle.putStringArray("useranswer", str);

                bundle.putStringArray("bjanswer", bjanswer);

                bundle.putInt("Ttishu", count);

                bundle.putString("shijian", String.valueOf(t));

                intent1.putExtras(bundle);

                startActivity(intent1);

                handler.removeCallbacks(runnable);

                finish();

            }

        });

    }

}

package com.de.sizhe;

import android.app.Activity;

import android.content.Intent;

import android.graphics.Color;

import android.os.Bundle;

import android.view.Gravity;

import android.view.View;

import android.view.View.OnClickListener;

import android.widget.Button;

import android.widget.TableLayout;

import android.widget.TableRow;

import android.widget.TextView;

public class TDeFenActivity extends Activity {

    private Button cxbtn,tcbtn;

    private TableLayout dtab1;

    private TextView textView;

    private int count=0;

    private String sj=null;

    @Override

    protected void onCreate(Bundle savedInstanceState) {

        super.onCreate(savedInstanceState);

        setContentView(R.layout.activity_tde_fen);

        dtab1=(TableLayout) findViewById(R.id.DTab1);

        cxbtn=(Button) findViewById(R.id.chongxin);

        tcbtn=(Button) findViewById(R.id.tuichu);

        textView=(TextView) findViewById(R.id.showtime);

        Intent intent=getIntent();

        Bundle bundle=intent.getExtras();

        count=bundle.getInt("Ttishu");

        String[] sty=new String[count];

        String[] stb=new String[count];

        String[] stimu=new String[count];

        sty=bundle.getStringArray("useranswer");

        stb=bundle.getStringArray("bjanswer");

        sj=bundle.getString("shijian");

        stimu=bundle.getStringArray("timu");

        textView.setText("完成时间为："+sj+"s");

        int tn=(count+1)*3;

        TextView[] Tshow=new TextView[tn];

        TableRow tableRow=new TableRow(this);

        Tshow[0]=new TextView(this);

        Tshow[1]=new TextView(this);

        Tshow[2]=new TextView(this);

        Tshow[0].setText("                   题目");

        Tshow[1].setText("      你的答案");

        Tshow[2].setText("      正确答案");

        tableRow.addView(Tshow[0]);

        tableRow.addView(Tshow[1]);

        tableRow.addView(Tshow[2]);

        dtab1.addView(tableRow);

        for(int i=0;i<count;i++)

        {

            TableRow tableRow1=new TableRow(this);

            Tshow[(i+1)*3]=new TextView(this);

            Tshow[(i+1)*3+1]=new TextView(this);

            Tshow[(i+1)*3+2]=new TextView(this);

            tableRow1.addView(Tshow[(i+1)*3]);

            tableRow1.addView(Tshow[(i+1)*3+1]);

            tableRow1.addView(Tshow[(i+1)*3+2]);

            if(sty[i].equals(stb[i]))

            {

                Tshow[(i+1)*3].setText(stimu[i]);

                Tshow[(i+1)*3+1].setText(sty[i]);

                Tshow[(i+1)*3+1].setGravity(Gravity.RIGHT);

                Tshow[(i+1)*3+2].setText(stb[i]);

                Tshow[(i+1)*3+2].setGravity(Gravity.RIGHT);

            }

            else

            {

                Tshow[(i+1)*3].setText(stimu[i]);

                Tshow[(i+1)*3+1].setText(sty[i]);

                Tshow[(i+1)*3+1].setGravity(Gravity.RIGHT);

                Tshow[(i+1)*3+1].setTextColor(Color.RED);

                Tshow[(i+1)*3+2].setText(stb[i]);

                Tshow[(i+1)*3+2].setGravity(Gravity.RIGHT);

            }

            dtab1.addView(tableRow1);

        }

        cxbtn.setOnClickListener(new OnClickListener() {

            @Override

            public void onClick(View arg0) {

                // TODO Auto-generated method stub

                Intent intent=new Intent(TDeFenActivity.this,TixingActivity.class);

                startActivity(intent);

                finish();

            }

        });

        tcbtn.setOnClickListener(new OnClickListener() {

            @Override

            public void onClick(View arg0) {

                // TODO Auto-generated method stub

                finish();

            }

        });

    }

}