MARS-android视频教程代码-第三季第四集.doc

MARS-Android 视频教程实例源代码第三季第四集（定位操作-实例1）AVD版本Build SDK和Mini SDKLocation01activity_main.xml MainActivity.javapackage mars.location02;import java.util.Iterator;import java.util.List;import android.location.Criteria;import android.location.LocationManager;import android.os.Bundle;import android.app.Activity;import android.view.Menu;import android.view.View;import android.view.View.OnClickListener;import android.widget.Button;public class MainActivity extends Activity private Button locationButton=null;private Button bestProviderButton=null;private LocationManager locationManager=null; Override public void onCreate(Bundle savedInstanceState) super.onCreate(savedInstanceState); setContentView(R.layout.main); locationButton=(Button)findViewById(R.id.locationButtonId); bestProviderButton=(Button)findViewById(R.id.bestProviderButton); locationManager=(LocationManager)MainActivity.this.getSystemService(LOCATION_SERVICE); locationButton.setOnClickListener(new locationButtonOnClickListener(); bestProviderButton.setOnClickListener(new bestProviderButtonOnClickListener(); private class locationButtonOnClickListener implements OnClickListener public void onClick(View v) System.out.println(locationButtonListener); List prividers=locationManager.getAllProviders(); for (Iterator iterator = prividers.iterator(); iterator.hasNext();) String string = (String) iterator.next();System.out.println(string); private class bestProviderButtonOnClickListener implements OnClickListener public void onClick(View v) System.out.println(bestProviderButtonListener); Criteria criteria=new Criteria(); criteria.setAccuracy(Criteria.ACCURACY_FINE); criteria.setPowerRequirement(Criteria.POWER_LOW); criteria.setAltitudeRequired(false); criteria.setSpeedRequired(false); criteria.setCostAllowed(false); String provider=locationManager.getBestProvider(criteria, false); System.out.println(best provider-+provider); Override public boolean onCreateOptionsMenu(Menu menu) getMenuInflater().inflate(R.menu.main, menu); return true; AndroidManifest.xml 该集中的第二个实例和第三集第三章基本一样MainActivity.java内容如下：package mars.location01;import android.location.Location;import android.location.LocationListener;import android.location.LocationManager;import android.os.Bundle;import android.app.Activity;import android.content.Context;import android.view.Menu;import android.view.View;import android.view.View.OnClickListener;import android.widget.Button;public class MainActivity extends Activity private Button button=null;private LocationManager locationManager=null; Override public void onCreate(Bundle savedInstanceState) super.onCreate(savedInstanceState); setContentView(R.layout.main); button=(Button)findViewById(R.id.buttonId); button.setOnClickListener(new buttonOnClickListener(); locationManager=(LocationManager)MainActivity.this.getSystemService(Context.LOCATION_SERVICE); private class buttonOnClickListener implements OnClickListener public void onClick(View v) System.out.println(buttonListener); LocationManager locationManager=(LocationManager)MainActivity.this.getSystemService(Context.LOCATION_SERVICE); locationManager.requestLocationUpdates(LocationManager.GPS_PROVIDER, 5000, 5000, new TestLocationManager(); private class TestLocationManager implements LocationListenerOverridepublic void onLocationChanged(Location location) / TODO Auto-generated method stubSystem.out.println(location.getLongitude();System.out.println(location.getLatitude();Overridepublic void onProviderDisabled(String provider) / TODO Auto-generated method stubOverridepublic void onProviderEnabled(String provider) / TODO Auto-generated method stubOverridepublic void onStatusChanged(S