复制代码 代码如下:

package com.action.android_test;

import android.location.Location;

import android.location.LocationListener;

import android.location.LocationManager;

import android.os.Bundle;

import android.app.Activity;

import android.view.Menu;

import android.widget.TextView;

public class MainActivity extends Activity {

private Location location=null;

@Override

protected void onCreate(Bundle savedInstanceState) {

super.onCreate(savedInstanceState);

setContentView(R.layout.activity_main);

//获得位置服务的名称

String serviceName = this.LOCATION_SERVICE;

//获得位置服务的管理对象

LocationManager locationManager = (LocationManager)getSystemService(serviceName);

// 通过GPS获取定位的位置数据

location = locationManager.getLastKnownLocation(locationManager.GPS_PROVIDER);

updateToNewLocation(location);

/**服务管理对象的监听器*/

//参数1：定位的方式 参数2：监听更新间隔时间(ms) 参数3：监听更新的距离(m) 参数4：监听的方法

locationManager.requestLocationUpdates(locationManager.GPS_PROVIDER, 2000, 10, new LocationListener() {

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

}

public void onProviderEnabled(String provider) {

}

public void onProviderDisabled(String provider) {

}

public void onLocationChanged(Location location) {

updateToNewLocation(location);

}

});

}

private void updateToNewLocation(Location location) {

TextView tv1;

tv1 = (TextView) this.findViewById(R.id.tv1);

if (location != null) {

double latitude = location.getLatitude();

double longitude= location.getLongitude();

tv1.setText("经纬度为：n"+"维度：" + latitude+ "n经度" + longitude);

} else {

tv1.setText("无法获取地理信息");

}

}

@Override

public boolean onCreateOptionsMenu(Menu menu) {

getMenuInflater().inflate(R.menu.main, menu);

return true;

}