Plurk paste

package irdc.ex10_06;

import java.util.ArrayList;
import java.util.Iterator;
import java.util.List;
import java.util.Locale;
import java.util.Random;

import android.content.Intent;
import android.database.Cursor;
import android.graphics.RectF;
import android.location.Address;
import android.location.Geocoder;
import android.os.Bundle;
import android.util.Log;
import android.view.Menu;
import android.view.MenuItem;
import android.view.MotionEvent;
import android.view.View;
import android.widget.Button;
import android.widget.EditText;
import android.widget.TextView;

import com.google.android.maps.GeoPoint;
import com.google.android.maps.MapActivity;
import com.google.android.maps.MapController;
import com.google.android.maps.MapView;
import com.google.android.maps.Overlay;

public class EX10_06_04<MapLocation> extends MapActivity
{
  private TextView mTextView01;
  /* 獨一無二的menu選項identifier，用以識別事件 */
  static final private int MENU_ADD = Menu.FIRST;
  static final private int MENU_EDIT = Menu.FIRST+1;
  static final private int MENU_DRAW = Menu.FIRST+2;
  
  /* Google地圖所需成員變數 */
  private MapView mMapView01;
  private int intZoomLevel=20;
  
  /* 資料庫所需成員變數 */
  private MySQLiteOpenHelper dbHelper=null;
  private int version = 1;
  private List<String> allRestaurantID;
  private List<String> allRestaurantName;
  private List<String> allRestaurantAddress;
  private List<String> allRestaurantCal;
  
  /* 資料庫資料表 */
  private String tables[] = { "t_restaurant" };
  
  /* 資料庫欄位名稱 */
  private String fieldNames[][] =
  {
    { "f_id", "f_name", "f_address", "f_cal" }
  };
  
  /* 資料庫欄位資料型態 */
  private String fieldTypes[][] =
  {
    { "INTEGER PRIMARY KEY AUTOINCREMENT", "text" , "text", "text"}
  };
  private EditText mEditText05;
  private Button mButton02;
  private Object selectedMapLocation;
  private RectF bubbleIcon;
  
  @Override
  protected void onCreate(Bundle savedInstanceState)
  { 
    // TODO Auto-generated method stub
    super.onCreate(savedInstanceState);
    setContentView(R.layout.layout_draw);


    mTextView01 = (TextView)findViewById(R.id.myTextView7);
    /* 建立MapView物件 */
    mMapView01 = (MapView)findViewById(R.id.myMapView1);
    
    /* 資料庫連線 */
    dbHelper = new MySQLiteOpenHelper(this, "mydb", null, version, tables, fieldNames, fieldTypes);
    
    /* 系統選擇餐館 */
    drawRestaurant();
    mEditText05 = (EditText)findViewById(R.id.destination);
    mEditText05.setText 
     (getResources().getText(R.string.str_default_address).toString()); 
     mMapView01 = (MapView)findViewById(R.id.myMapView1);
    // mMapView01.setTraffic(true);
     mButton02 = (Button)findViewById(R.id.myButton2);
     mButton02.setOnClickListener(new Button.OnClickListener()
     {
      
       public void onClick(View v)
       {GeoPoint gp = getGeoByAddress(mEditText05.getText().toString());
       if(gp==null)
       {
         /* 地址無法反查為GeoPoint時 */
         mMapView01.setVisibility(MapView.GONE);
       }
       else
       {
         /* 更新MapView地圖 */
         mMapView01.setVisibility(MapView.VISIBLE);
         
       
           refreshMapViewByGeoPoint(getGeoByAddress(mEditText05.getText().toString()), mMapView01, intZoomLevel, true);
         }
       }
     });
   }

  @Override
  public boolean onCreateOptionsMenu(Menu menu)
  {
    // TODO Auto-generated method stub
    /* menu群組ID */
    int idGroup1 = 0;
    
    /* The order position of the item */
    int orderItem1 = Menu.NONE;
    int orderItem2 = Menu.NONE+1;
    int orderItem3 = Menu.NONE+2;
    
    /* 建立3個Menu選單 */
    menu.add(idGroup1, MENU_ADD, orderItem1, R.string.str_manu1).setIcon(android.R.drawable.ic_menu_add);
    menu.add(idGroup1, MENU_EDIT, orderItem2, R.string.str_manu2).setIcon(android.R.drawable.ic_dialog_info);
    menu.add(idGroup1, MENU_DRAW, orderItem3, R.string.str_manu3).setIcon(R.drawable.hipposmall);
    return super.onCreateOptionsMenu(menu);
  }
  
  @Override
  public boolean onMenuItemSelected(int featureId, MenuItem item)
  {
    // TODO Auto-generated method stub
    Intent intent = new Intent();
    switch(item.getItemId())
    {
      case (MENU_ADD):
        /* 新建餐廳資料 */
        intent.setClass(EX10_06_04.this, EX10_06_02.class);
        startActivity(intent);
        finish();
        break;
      case (MENU_EDIT):
        /* 編輯餐廳資料 */
        intent.setClass(EX10_06_04.this, EX10_06_03.class);
        startActivity(intent);
        finish();
        break;
      case (MENU_DRAW):
        /* 今天吃什麼？ */
        drawRestaurant();
        break;
    }
    return super.onMenuItemSelected(featureId, item);
  }
  
  /* 取得餐廳資料函數 */
  private void drawRestaurant()
  { ArrayList<MapLocation> mapLocations = new ArrayList<MapLocation>(); 
    String f[] = { "f_id", "f_name", "f_address", "f_cal"};
    /* SELECT f[] FROM tables[0] */
    Cursor c = dbHelper.select(tables[0], f, "", null, null, null, null);
    allRestaurantID = new ArrayList<String>();
    allRestaurantName = new ArrayList<String>();
    allRestaurantAddress = new ArrayList<String>();
    allRestaurantCal = new ArrayList<String>();
    
    /* 將所有餐廳資料放入List<String>物件 */
    while (c.moveToNext())
    {
      allRestaurantID.add(c.getString(0));
      allRestaurantName.add(c.getString(1));
      allRestaurantAddress.add(c.getString(2));
      allRestaurantCal.add(c.getString(3));
    }
    
    if(allRestaurantID.size()>0)
    {
      //Random generator = new Random();
      //int intThrowIndex = generator.nextInt(allRestaurantID.size());
      for (int i=0;i<allRestaurantID.size();i++)
      {
        //顯示熱量地址名稱
        mTextView01.setText
        (
          allRestaurantName.get(i)+"\n"+
          allRestaurantAddress.get(i)+"\n"+
          allRestaurantCal.get(i)+
          getResources().getText(R.string.str_cal)
        );
      
      /* 以地址查詢地理座標 */
      GeoPoint gp = getGeoByAddress(allRestaurantAddress.get(i));
      if(gp==null)
      {
        /* 地址無法反查為GeoPoint時 */
        mMapView01.setVisibility(MapView.GONE);
      }
      else
      { 
        
        /* 更新MapView地圖 */
        mMapView01.setVisibility(MapView.VISIBLE);
        showImageOverlay(gp);
        //取得位址後更新顯示
        refreshMapViewByGeoPoint(getGeoByAddress(allRestaurantAddress.get(0)), mMapView01, intZoomLevel, true);
      }
     }
    }
    else
    {
      /* 資料庫無紀錄 */
      
    }
  }
  
  /**
   * 查詢地址的地理座標 
   * @param strSearchAddress 地址字串
   * @return GeoPoint 地理座標物件
   */
  private GeoPoint getGeoByAddress(String strSearchAddress)
  {
    GeoPoint gp = null;
    try
    {
      if(strSearchAddress!="")
      {
        Geocoder mGeocoder01 = new Geocoder(EX10_06_04.this, Locale.getDefault());
        List<Address> lstAddress = mGeocoder01.getFromLocationName(strSearchAddress, 1);
        if (!lstAddress.isEmpty())
        {
          Address adsLocation = lstAddress.get(0);
          /* 1E6 = 1000000*/
          double geoLatitude = adsLocation.getLatitude()*1E6;
          double geoLongitude = adsLocation.getLongitude()*1E6;
          gp = new GeoPoint((int) geoLatitude, (int) geoLongitude);
        }
      }
    }
    catch (Exception e)
    { 
      e.printStackTrace(); 
    }
    return gp;
  }
  
  /**
   * 更新MapView地圖
   * @param gp GeoPoint地理座標物件
   * @param mv 查詢的資料的欄位名稱
   * @param zoomLevel 放大層級
   * @param setSatellite 是否顯示衛星地圖
   */
  public static void refreshMapViewByGeoPoint(GeoPoint gp, MapView mv, int zoomLevel, boolean setTraffic)
  {
    try
    {
      mv.setBuiltInZoomControls(true);
      mv.displayZoomControls(true);
      MapController mc = mv.getController();
      mc.animateTo(gp);
      mc.setZoom(zoomLevel);
      mv.setTraffic(setTraffic);
    }
    catch(Exception e)
    {
      e.printStackTrace();
    }
  }
  
  /**
   * 在地圖上顯示Overlay圖片
   * @param gp GeoPoint地理座標物件
   */
  private void showImageOverlay(GeoPoint gp)
  {
    /* 設定Overlay*/
    GeoPointImageOverlay mLocationOverlay01;
    mLocationOverlay01 = new GeoPointImageOverlay(gp,R.drawable.bubble);
    List<Overlay> overlays = mMapView01.getOverlays();
    overlays.add(mLocationOverlay01);
  }
  
  @Override
  protected boolean isRouteDisplayed()
  {
    // TODO Auto-generated method stub
    return false;
  }


 
}