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>