MessageActivity：

package com.gourmetMeal;

import android.content.Intent;

import android.os.Bundle;import android.view.View;import android.view.KeyEvent;import android.widget.Button;import android.widget.ListView;import android.widget.SimpleCursorAdapter;import android.widget.TextView;

public class MessageActivity extends CommonActivity implements

  android.view.View.OnClickListener {  /**  * 账号TextView  */ private TextView txt_user; /**  * 等级TextView  */ private TextView txt_lv; /**  * 流水号TextView  */ private TextView txt_liushui; /**  * 桌号TextView  */ private TextView txt_table; /**  * 显示信息ListView  */ private ListView listview; /**  * 信息Button  */ private Button message_btn_back; /**  * 消息传递  */ private Intent intent = new Intent();

 @Override

 protected void onCreate(Bundle savedInstanceState) {   super.onCreate(savedInstanceState);  setContentView(R.layout.activity_message);        intent=getIntent();        String s=intent.getStringExtra("id");        cursor= database.rawQuery("select liushuizhanghao from liushuibiao where _id="+s+"",null);  cursor.moveToFirst();  String liushuiId=cursor.getString(0);  System.out.println("!!!!"+liushuiId);        txt_user = (TextView) findViewById(R.id.txt_message_user);  txt_lv = (TextView) findViewById(R.id.txt_message_lv);  txt_liushui = (TextView) findViewById(R.id.txt_message_liushui);  txt_table = (TextView) findViewById(R.id.txt_message_table);  txt_user.setText(username);  txt_lv.setText("1");  listview = (ListView) findViewById(R.id.listView_message);  message_btn_back = (Button) findViewById(R.id.message_btn_back);  message_btn_back.setOnClickListener(MessageActivity.this);

  /**

   * 显示流水号的具体信息   */   txt_liushui.setText(liushuiId);   cursor=database.rawQuery("SELECT tablenum FROM xiadan WHERE liushuihao=?", new String[]{liushuiId});   cursor.moveToFirst();   txt_table.setText(cursor.getString(0));

   cursor = database

     .rawQuery(       "SELECT _id,xuhao,caiming,danjia,shuliang,jiage FROM xiadan WHERE liushuihao=?",       new String[] { liushuiId });   if (cursor != null) {     SimpleCursorAdapter sca = new SimpleCursorAdapter(      MessageActivity.this, R.layout.style_message_listview,      cursor, new String[] { "xuhao", "caiming", "danjia",        "shuliang", "jiage" }, new int[] {         R.id.txt_messagelist_no,        R.id.txt_messagelist_name,        R.id.txt_messagelist_price,        R.id.txt_messagelist_num,        R.id.txt_messagelist_prices });    listview.setAdapter(sca);   }  }

 /**  * 按钮点击事件  */ public void onClick(View v) {   switch (v.getId()) {   case R.id.message_btn_back:   intent.setClass(MessageActivity.this, MainActivity.class);   startActivity(intent);   this.finish();   break;  } }

 /**

  * 重写键盘按键按下是触发该方法  */ @Override public boolean onKeyDown(int keyCode, KeyEvent event) {   if (keyCode == KeyEvent.KEYCODE_BACK) {    intent.setClass(MessageActivity.this, MainActivity.class);   startActivity(intent);   this.finish();  }  return false; }}

ChooseMessageActivity：

package com.gourmetMeal;

 

 

import com.gourmetMeal.database.MyAdapter_FootSoft;

import com.gourmetMeal.database.MyDataBase;

import android.app.Activity;

import android.content.Intent;import android.database.Cursor;import android.database.sqlite.SQLiteDatabase;import android.os.Bundle;import android.view.View;import android.widget.AdapterView;import android.widget.ListView;

public class ChooseMessageActivity extends CommonActivity {

 private ListView listView1; private Intent intent; private SQLiteDatabase database; private Cursor cursor = null; private String biaoming; public void onCreate(Bundle savedInstanceState) {   // TODO Auto-generated method stub  super.onCreate(savedInstanceState);  setContentView(R.layout.activity_choosemessage);    intent = getIntent();  //biaoming = intent.getStringExtra("biaoming"); } protected void onStart() {   // TODO Auto-generated method stub  super.onStart();

  MyDataBase mdb = new MyDataBase(ChooseMessageActivity.this);

  database = mdb.getWritableDatabase();  cursor = database.rawQuery("select * from liushuibiao", null);  listView1 = (ListView) findViewById(R.id.choosemessagelistView1);  MyAdapter_FootSoft sca = new MyAdapter_FootSoft(ChooseMessageActivity.this,    cursor);  listView1.setAdapter(sca);  listView1.setOnItemClickListener(new AdapterView.OnItemClickListener() {

   /**

    * 根据用户选择不同的商品，向商品详细页面传递的参数不同。 arg2 为用户选择listview上的商品，序号从0开始 temp    * 为id号 biaoming 为表名    */     public void onItemClick(AdapterView<?> arg0, View arg1, int arg2,     long arg3) {

    int temp = arg2 + 1;

    intent = new Intent();    intent.setClass(ChooseMessageActivity.this, MessageActivity.class);    //intent.putExtra("id", liushuizhanghao);    intent.putExtra("id", temp + "");    startActivity(intent);    finish();   }  });

 }

}