別スレッドで位置情報を取得する：Android GPS Looper

package com.example.gpsintent2;

import android.location.Location;
import android.location.LocationListener;
import android.location.LocationManager;
import android.os.Bundle;
import android.os.Handler;
import android.os.Looper;
import android.app.Activity;
import android.content.Context;
import android.util.Log;
import android.widget.TextView;

public class MainActivity extends Activity {

 private MyLocThread thread1;
 private TextView textView;
 private Handler viewHandler;
 private static final String TAG = "********************";

 public class MyLocThread extends Thread  {

  private LocationManager locationManager;

  private LocationHelper loc;
  private Handler handler;
  

  public MyLocThread() {
   Log.v(TAG, "------MyLocThread----");

   setDaemon(true);
   setName("LocationThread");
   locationManager = (LocationManager) getSystemService(Context.LOCATION_SERVICE);
   
   loc = new LocationHelper(  );
   

  }

  public void run() {
   Log.v(TAG, "------run----");
   
   Looper.prepare();
   handler = new Handler();
   locationManager.requestLocationUpdates(LocationManager.GPS_PROVIDER, 1000L, 0f, loc );
   Looper.loop();

  }

  private void StopRequest() {
   // TODO 自動生成されたメソッド・スタブ
   if( locationManager != null){
    locationManager.removeUpdates(loc);
   }
   
   if ( this.handler != null ){
    Log.i(TAG, "looper　と　handler　停止処理");
    
    this.handler.getLooper().quit();
    this.handler  = null;
    
   }
  }
 }

 public class LocationHelper implements LocationListener {

  private Location loc;

  @Override
  public void onLocationChanged(Location location) {
   // TODO 自動生成されたメソッド・スタブ
   Log.v(TAG, "onLocationChanged");
   
   loc = location;

   viewHandler.post(new Runnable() {
    public void run() {
     textView.setText( "緯度" + loc.getLatitude() );
    }
   });

   Log.i("Latitude", String.valueOf(location.getLatitude()));
   Log.i("Longitude", String.valueOf(location.getLongitude()));
   Log.i("Accuracy", String.valueOf(location.getAccuracy()));
   Log.i("Altitude", String.valueOf(location.getAltitude()));
   Log.i("Time", String.valueOf(location.getTime()));
   Log.i("Speed", String.valueOf(location.getSpeed()));
   Log.i("Bearing", String.valueOf(location.getBearing()));
  }

  @Override
  public void onProviderDisabled(String arg0) {
   // TODO 自動生成されたメソッド・スタブ
   Log.v(TAG, "onProviderDisabled");
  }

  @Override
  public void onProviderEnabled(String arg0) {
   // TODO 自動生成されたメソッド・スタブ
   Log.v(TAG, "onProviderEnabled");
  }

  @Override
  public void onStatusChanged(String arg0, int arg1, Bundle arg2) {
   // TODO 自動生成されたメソッド・スタブ
   Log.v(TAG, "onStatusChanged");
  }

 }

 @Override
 protected void onCreate(Bundle savedInstanceState) {
  super.onCreate(savedInstanceState);
  setContentView(R.layout.main);
  
  textView = (TextView) findViewById(R.id.textView1);
  
  //UI を変更したい場合必要
  viewHandler = new Handler();

 }

 @Override
 protected void onResume() {
  super.onResume();

  Log.i(TAG, "onResume");

  thread1 = new MyLocThread();
  thread1.start();

 }

 @Override
 protected void onPause() {
  super.onPause();

  Log.i(TAG, "onPause");
  
  // 便宜的にここで停止処理
  thread1.StopRequest();

 }

}