'개인파일'에 해당되는 글 7건

gps 안잡힐때 네트워크를 이용해서

개인파일 2014. 5. 22. 17:02

package org.pub.app.lunch;

import android.app.Activity;
import android.app.AlertDialog;
import android.content.Context;
import android.content.DialogInterface;
import android.content.Intent;
import android.location.Criteria;
import android.location.Location;
import android.location.LocationListener;
import android.location.LocationManager;
import android.os.Bundle;
import android.util.Log;
import android.view.View;
import android.widget.Button;

public class LunchSelector extends Activity {
private final String TAG = "LunchSelector";
private Button gpsButton = null;
private Button addrButton = null;
// private TextView gpsText = null;
// private boolean isLoadGps = false;
private LocationManager locationManager;
private Context context;
private String provider;

private GpsLocationListener listener = null;

// private final static int SLEEP_TIME = 3000;
    /** Called when the activity is first created. */
    @Override
    public void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        this.context = this.getBaseContext();
        setContentView( R.layout.lunchemain );

        loadGps();

//      new Thread( timerThread ).start();
        gpsButton = (Button)findViewById( R.id.btn_gps_search );
        addrButton = (Button)findViewById( R.id.btn_addr_search );

        gpsButton.setOnClickListener(
          new View.OnClickListener(){
     public void onClick(View v) {
      Log.w(TAG , "onStatusChanged" );
      Intent in = new Intent( context , RestaurantList.class );
      Location loc = null;

      loc = getLocation();

      if( loc == null ) {
       Log.w( TAG , "location is null" );

       AlertDialog.Builder adb = new AlertDialog.Builder(LunchSelector.this);
       adb.setPositiveButton("OK", new DialogInterface.OnClickListener() {
        public void onClick(DialogInterface dialog, int which) {
        }
       });
         adb.setTitle( R.string.alert_title );
         adb.setMessage(R.string.alert_message);
         adb.show();
      } else {
       in.putExtra( "MY CURRENT LOCATION", new Location(loc) );
       startActivity( in );
      }
     }

     private Location getLocation() {

      Location location = locationManager.getLastKnownLocation( provider );
      if ( location == null ) {
       Log.w(TAG, "get Location From GPS Fail !!!!!");
       location = locationManager.getLastKnownLocation( LocationManager.NETWORK_PROVIDER );
      }
      return location;
     }
    }
        );

        addrButton.setOnClickListener(
          new View.OnClickListener(){
     public void onClick(View v) {
      //주소 입력 화면으로 옮겨주자..
      Intent in = new Intent( context , InputAddress.class );
      startActivity( in );
     }
    }
        );
    }

//    Handler msgHandle = new Handler( ){
//    public void handleMessage(Message message) {
//      switch( message.what ){
//      case R.id.message_timer_end:
//       alertUsingGps();
//       break;
//      }
//    }
//    };
//
//    /**
//     *
//     */
//    Runnable timerThread = new Runnable(){
//    public void run(){
//      try{
//       Thread.sleep( SLEEP_TIME );
//       msgHandle.sendEmptyMessage( R.id.message_timer_end );
//      }catch( Exception e ){
//       Log.w( TAG , e );
//      }
//    }
//    };
//
//    public void alertUsingGps() {
//
//    AlertDialog.Builder adb = new AlertDialog.Builder(this);
//    adb.setPositiveButton("OK", new DialogInterface.OnClickListener() {
//
////   @Override
//   public void onClick(DialogInterface dialog, int which) {
//    loadGps();
//   }
//  });
//    adb.setNegativeButton("CANCEL", new DialogInterface.OnClickListener() {
////   @Override
//   public void onClick(DialogInterface dialog, int which) {
//   }
//  });
//    adb.setTitle( R.string.alert_title );
//    adb.setMessage(R.string.alert_message);
//    adb.show();
//    }

    public void loadGps() {
    Log.w(TAG , "loadGps" );
    locationManager = (LocationManager)getSystemService(Context.LOCATION_SERVICE);
//    locationManager.requestLocationUpdates(LocationManager.GPS_PROVIDER, 2000, 10, new GpsLocationListener());
//      isLoadGps = true;

    Criteria criteria = new Criteria();
    criteria.setAccuracy(Criteria.ACCURACY_FINE);  // 정확도
    criteria.setPowerRequirement(Criteria.POWER_LOW); // 전원 소비량
    criteria.setAltitudeRequired(false);    // 고도, 높이 값을 얻어 올지를 결정
    criteria.setBearingRequired(false);
    criteria.setSpeedRequired(false);     //속도
    criteria.setCostAllowed(true);      //위치 정보를 얻어 오는데 들어가는 금전적 비용
    provider = locationManager.getBestProvider(criteria, true);
    listener = new GpsLocationListener();
    locationManager.requestLocationUpdates(provider, 1000, 5, listener);
    }

    private class GpsLocationListener implements LocationListener {

    public void onLocationChanged(Location location) {
      Log.w(TAG , "onLocationChanged" );
  }

  public void onProviderDisabled(String provider) {
   Log.w(TAG , "onProviderDisabled" );
  }

  public void onProviderEnabled(String provider) {
   Log.w(TAG , "onProviderEnabled" );
  }

  public void onStatusChanged(String provider, int status, Bundle extras) {
   Log.w(TAG , "onStatusChanged" );
  }
    }

    protected void onStart() {
    super.onStart();
    if ( listener == null ) {
      listener = new GpsLocationListener();
      locationManager.requestLocationUpdates(provider, 1000, 5, listener);
    }
    }

    protected void onStop() {
    super.onStop();
    locationManager.removeUpdates(listener);
    listener = null;
    }
}