android GPS定位经纬度确定

直接上源码，获取当前用户的经纬度！MainActivity.java

package com.mixian.activity;

import android.app.Activity;
import android.content.Context;
import android.content.Intent;
import android.location.Criteria;
import android.location.Location;
import android.location.LocationListener;
import android.location.LocationManager;
import android.net.Uri;
import android.os.Bundle;
import android.provider.Settings;
import android.util.Log;
import android.view.View;
import android.view.View.OnClickListener;
import android.widget.Button;
import android.widget.TextView;
import android.widget.Toast;

public class MainActivity extends Activity {
protected static final String TAG = "MainActivity";
/** Called when the activity is first created. */
@Override
public void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.main);
Button getLocaltionButton = (Button)findViewById(R.id.GetLocaltion);
getLocaltionButton.setOnClickListener(new OnClickListener(){
public void onClick(View v) {
openGPSSettings();
getLocation();

}
});
}
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("维度：" + latitude+ "\n经度" + longitude);
try{
//直接调用图吧地图
Intent intent = new Intent(Intent.ACTION_VIEW);
Uri uri = Uri.parse("geo:"+latitude+','+longitude+','+"北京市西城区阜外大街2号万通大厦");
intent.setData(uri);
intent.setClassName("com.mapbar.android.mapbarmap", "com.mapbar.android.mapbarmap.FilterServiceActivity");
startActivity(intent);
}catch(Exception ex){
ex.printStackTrace();
}
tv1.setText("地图在哪里？");
} else {
tv1.setText("无法获取地理信息");
}
}
//首先判断GPS模块是否存在或者是开启：
private void openGPSSettings() {
LocationManager alm = (LocationManager) this
.getSystemService(Context.LOCATION_SERVICE);
if (alm
.isProviderEnabled(android.location.LocationManager.GPS_PROVIDER)) {
Toast.makeText(this, "GPS模块正常", Toast.LENGTH_SHORT)
.show();
return;
}

Toast.makeText(this, "请开启GPS！", Toast.LENGTH_SHORT).show();
Intent intent = new Intent(Settings.ACTION_SECURITY_SETTINGS);
startActivityForResult(intent,0); //此为设置完成后返回到获取界面

}
//如果开启正常，则会直接进入到显示页面，如果开启不正常，则会进行到GPS设置页面：
private void getLocation()
{
// 获取位置管理服务
LocationManager locationManager;
String serviceName = Context.LOCATION_SERVICE;
locationManager = (LocationManager) this.getSystemService(serviceName);
// 查找到服务信息
Criteria criteria = new Criteria();
criteria.setAccuracy(Criteria.ACCURACY_FINE); // 高精度
criteria.setAltitudeRequired(false);
criteria.setBearingRequired(false);
criteria.setCostAllowed(true);
criteria.setPowerRequirement(Criteria.POWER_LOW); // 低功耗

String provider = locationManager.getBestProvider(criteria, true); // 获取GPS信息
Location location = locationManager.getLastKnownLocation(provider); // 通过GPS获取位置
updateToNewLocation(location);
// 设置监听器，自动更新的最小时间为间隔N秒(1秒为1*1000，这样写主要为了方便)或最小位移变化超过N米
locationManager.requestLocationUpdates(provider, 100 * 1000, 500,new LocationListener() {

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

}

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

}

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

}

public void onLocationChanged(Location location) {
updateToNewLocation(location);
Log.i(TAG, "onLocationChanged()");

}
});
}
}
AndroidManifest.xml

<?xml version="1.0" encoding="utf-8"?>
<manifest xmlns:android="http://schemas.android.com/apk/res/android"
package="com.mixian.activity"
android:versionCode="1"
android:versionName="1.0" >

<uses-sdk android:minSdkVersion="15" />

<application
android:icon="@drawable/ic_launcher"
android:label="@string/app_name" >
<activity
android:name=".MainActivity"
android:label="@string/app_name" >
<intent-filter>
<action android:name="android.intent.action.MAIN" />

<category android:name="android.intent.category.LAUNCHER" />
</intent-filter>
</activity>
</application>
<uses-permission android:name="android.permission.ACCESS_FINE_LOCATION"></uses-permission>
</manifest>

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