Android参考源码-简单的订机票系统源码.zip

package com.airport.main; import java.util.Calendar; import android.app.DatePickerDialog; import android.app.DatePickerDialog.OnDateSetListener; import android.app.Dialog; import android.app.TabActivity; import android.content.Intent; import android.os.Bundle; import android.view.KeyEvent; import android.view.View; import android.view.View.OnClickListener; import android.widget.AdapterView; import android.widget.AdapterView.OnItemSelectedListener; import android.widget.ArrayAdapter; import android.widget.Button; import android.widget.DatePicker; import android.widget.EditText; import android.widget.Spinner; import android.widget.TabHost; public class CheckAirportTabActivity extends TabActivity { private Spinner gospinner, setofffspinner, airportcompany;//出发，目的的下拉列表,航空公司 private Button selectbtn;//查询按钮 private String leaveCity, arriveCity, leavedate;//出发城市，目的城市，日期的String类型，用于传数据 private String[] city = { "上海", "北京", "广州", "大连", "沈阳", "福州" ,"南京"}; private String[] company = { "中国航空", "东方航空", "上海航空", "海南航空", "南方航空", "厦门航空", "深圳航空" }; private EditText leaveDateEdt, returnBackDateEdt;//出发城市，返回城市编辑框 private Button leaveDateBtn, returnDateBtn; private int m_year, m_month, m_day; private Calendar c; @Override protected void onCreate(Bundle savedInstanceState) { super.onCreate(savedInstanceState); setContentView(R.layout.check_airport_tab); TabHost th = getTabHost(); th.addTab(th.newTabSpec("single").setIndicator("单程") .setContent(R.id.tab1)); th.addTab(th.newTabSpec("return").setIndicator("返程") .setContent(R.id.tab2)); gospinner = (Spinner) findViewById(R.id.go_selectcity); setofffspinner = (Spinner) findViewById(R.id.setoffcity); airportcompany = (Spinner) findViewById(R.id.airport_company); leaveDateEdt = (EditText) findViewById(R.id.setoff_date); leaveDateBtn = (Button) findViewById(R.id.setoffdate_btn); returnDateBtn = (Button) findViewById(R.id.return_date_btn); returnBackDateEdt = (EditText) findViewById(R.id.setoff_date); selectbtn = (Button) findViewById(R.id.select_btn); c = Calendar.getInstance();//获取日历的实例 m_year = c.get(Calendar.YEAR);//年 m_month = c.get(Calendar.MONTH);//月 m_day = c.get(Calendar.DAY_OF_MONTH);//日 // CreateDataBase(); ArrayAdapter<String> adapter = new ArrayAdapter<String>(this, android.R.layout.simple_spinner_item, company); adapter.setDropDownViewResource(android.R.layout.simple_spinner_dropdown_item); airportcompany.setAdapter(adapter);//将航空公司数组装入适配器 ArrayAdapter<String> adapter1 = new ArrayAdapter<String>(this, android.R.layout.simple_spinner_item, city); adapter1.setDropDownViewResource(android.R.layout.simple_spinner_dropdown_item); gospinner.setAdapter(adapter1); setofffspinner.setAdapter(adapter1); leaveDateBtn.setOnClickListener(new leaveDateClick()); returnDateBtn.setOnClickListener(new returnDateClick()); gospinner.setOnItemSelectedListener(new OnItemSelectedListener() { @Override public void onItemSelected(AdapterView<?> arg0, View arg1, int arg2, long arg3) { } @Override public void onNothingSelected(AdapterView<?> arg0) { } }); setofffspinner.setOnItemSelectedListener(new OnItemSelectedListener() { @Override public void onItemSelected(AdapterView<?> arg0, View arg1, int arg2, long arg3) { } @Override public void onNothingSelected(AdapterView<?> arg0) { } }); //查询按钮事件 selectbtn.setOnClickListener(new OnClickListener() { @Override public void onClick(View v) { Intent intent = new Intent(CheckAirportTabActivity.this, SingleListActivity.class); leaveCity = gospinner.getSelectedItem().toString();//获取出发城市选择的选项并转换成文字 arriveCity = setofffspinner.getSelectedItem().toString();//同理 leavedate = leaveDateEdt.getText().toString();//同理 Bundle bundle = new Bundle();//Bundle存取数据，如出发城市，到达城市。出发日期等 bundle.putString("leaveCity", leaveCity); bundle.putString("arriveCity", arriveCity); bundle.putString("leavedate", leavedate); intent.putExtras(bundle);//向查询界面传送数据 startActivity(intent); finish(); } }); } class leaveDateClick implements OnClickListener { @Override public void onClick(View v) { showDialog(0); } } class returnDateClick implements OnClickListener { @Override public void onClick(View v) { showDialog(1); } } /* * private void CreateDataBase() { DBHelper helper = new * DBHelper(CheckAirportTabActivity.this, "cities_db"); Cursor cursor = * helper.query("cities", new String[] { "_id", "cityname" }, null, null, * null, null, null); if (cursor.getCount() == 0) { * helper.exeecSQL("insert into cities(cityname) values('上海')"); * helper.exeecSQL("insert into cities(cityname) values('北京')"); * helper.exeecSQL("insert into cities(cityname) values('广州')"); * helper.exeecSQL("insert into cities(cityname) values('大连')"); * helper.exeecSQL("insert into cities(cityname) values('沈阳')"); * helper.exeecSQL("insert into cities(cityname) values('重庆')"); * helper.exeecSQL("insert into cities(cityname) values('福州')"); * helper.exeecSQL("insert into cities(cityname) values('南昌')"); * helper.exeecSQL("insert into cities(cityname) values('鞍山')"); * helper.exeecSQL("insert into cities(cityname) values('昆明')"); * helper.exeecSQL("insert into cities(cityname) values('武汉')"); * helper.exeecSQL("insert into cities(cityname) values('海口')"); * helper.exeecSQL("insert into cities(cityname) values('重庆')"); * helper.exeecSQL("insert into cities(cityname) values('长沙')"); * helper.exeecSQL("insert into cities(cityname) values('赤峰')"); * * } SimpleCursorAdapter adapter = new SimpleCursorAdapter(this, * android.R.layout.simple_spinner_item, cursor, new String[] { "cityname" * }, new int[] { android.R.id.text1 }); * adapter.setDropDownViewResource(android * .R.layout.simple_spinner_dropdown_item); gospinner.setAdapter(adapter); * setofffspinner.setAdapter(adapter); } */ @Override protected Dialog onCreateDialog(int id) { if (id == 0) { return new DatePickerDialog(this, l1, m_year, m_month, m_day); } else if (id == 1) { return new DatePickerDialog(this, l2, m_year, m_month, m_day); } else if (id == 2) { return new DatePickerDialog(this, l3, m_year, m_month, m_day); } return null; } private OnDateSetListener l1 = new OnDateSetListener() { @Override public void onDateSet(DatePicker view, int year, int monthOfYear, int dayOfMonth) { m_year = year; m_month = monthOfYear; m_day = dayOfMonth; leaveDateEdt.setText(m_year + "-" + (m_month + 1) + "-" + m_day); } }; private OnDateSetListener l2 = new OnDateSetListener() { @Override public void onDateSet(DatePicker view, int year, int monthOfYear, int dayOfMonth) { m_year = year; m_month = monthOfYear; m_day = dayOfMonth; returnBackDateEdt.setText(m_year + "-" + (m_month + 1) + "-" + m_day); } }; private OnDateSetListener l3 = new OnDateSetListener() { @Override public void onDateSet(DatePicker view, int year, int monthOfYear, int dayOfMonth) { m_year = year; m_month = monthOfYear; m_day = dayOfMonth; returnBackDateEdt.setText(m_year + "-" + (m_month + 1) + "-" + m_day); } }; @Override public boolean onKeyDown(int keyCode, KeyEvent event) { if (keyCode==KeyEvent.KEYCODE_BACK) { System.exit(0); } return true; } }