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   源码介绍

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做到了 gps 开启关闭后的提示 以及地理位置记录(经纬度)

package android.gpstracker;

import android.app.Activity;
import android.content.Context;
import android.location.Location;
import android.location.LocationListener;
import android.location.LocationManager;
import android.os.Bundle;
import android.widget.Toast;

public class GPSTracker extends Activity {
	/** Called when the activity is first created. */
	@Override
	public void onCreate(Bundle savedInstanceState) {
		super.onCreate(savedInstanceState);
		setContentView(R.layout.main);
		/* Use the LocationManager class to obtain GPS locations */
		LocationManager mlocManager = (LocationManager) getSystemService(Context.LOCATION_SERVICE);
		LocationListener mlocListener = new MyLocationListener();
		mlocManager.requestLocationUpdates(LocationManager.GPS_PROVIDER, 0, 0, mlocListener);
	}

	public class MyLocationListener implements LocationListener {
		public void onLocationChanged(Location loc) {
			loc.getLatitude();
			loc.getLongitude();
			String Text = "My current location is: "   "Latitude = "   loc.getLatitude()   " Longitude = "   loc.getLongitude();
			Toast.makeText(getApplicationContext(), Text, Toast.LENGTH_SHORT).show();
		}

		public void onProviderDisabled(String provider) {
			Toast.makeText(getApplicationContext(), "Gps Disabled", Toast.LENGTH_SHORT).show();
		}

		public void onProviderEnabled(String provider) {
			Toast.makeText(getApplicationContext(), "Gps Enabled", Toast.LENGTH_SHORT).show();
		}

		public void onStatusChanged(String provider, int status, Bundle extras)
		{
		}
	}
}