安卓利用百度地图API进行定位的关键代码代码,Java代码库,德仔网

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【Java】安卓利用百度地图API进行定位的关键代码
作者:PhoneFeel / 发布于2013/10/24/ 691

	添加安卓百度地图API进行定位的jar包。

	添加权限：
	<uses-permission android:name="android.permission.ACCESS_COARSE_LOCATION"></uses-permission>
	 <uses-permission android:name="android.permission.ACCESS_FINE_LOCATION"></uses-permission>
	<uses-permission android:name="android.permission.ACCESS_WIFI_STATE"></uses-permission>
	<uses-permission android:name="android.permission.CHANGE_WIFI_STATE"></uses-permission>
	<uses-permission android:name="android.permission.READ_PHONE_STATE"></uses-permission>
	<uses-permission android:name="android.permission.WRITE_EXTERNAL_STORAGE"></uses-permission>
	<uses-permission android:name="android.permission.INTERNET" />

	boot.java
	package com.baidu.locdemo;

	import com.baidu.location.LocServiceMode;
	import com.baidu.location.LocationClient;
	import com.baidu.locdemo.R;

	import android.app.Activity;
	import android.os.Bundle;

	//import android.util.Log;
	import android.view.View;
	import android.view.View.OnClickListener;
	import android.widget.Button;
	import android.widget.TextView;

	public class boot extends Activity {
	
	private TextView mTv = null;
	private Button mStartBtn;
	private Button mLocBtn;
	
	private boolean mIsStart;
	private LocationClient mLocClient;
	
	 @Override
	 public void onCreate(Bundle savedInstanceState) {
	 super.onCreate(savedInstanceState);
	 setContentView(R.layout.main);
	
	 mTv = (TextView)findViewById(R.id.textview);
	 mIsStart = false;
	
	 mLocClient = ((Location)getApplication()).mLocationClient; //引用Location的mLocationClient
	 mLocClient.setCoorType("bd09ll");
	 mLocClient.setAddrType("detail");
	
	 ((Location)getApplication()).mTv = mTv; //对Location的mTv进行初始化
	
	 mStartBtn = (Button)findViewById(R.id.StartBtn);
	 mLocBtn = (Button)findViewById(R.id.locBtn);
	
	 mStartBtn.setOnClickListener( new OnClickListener() {
	 @Override
	 public void onClick(View v) {
	 if (!mIsStart) {
	 mLocClient.addLocationChangedlistener(((Location)getApplication()).new MyLocationChangedListener()); //监听位置是否改变
	 mLocClient.addRecerveListener(((Location)getApplication()).new MyReceiveListenner()); //监听有没有定位成功
	 mLocClient.start();
	
	 mStartBtn.setText("停止");
	 mIsStart = true;
	
	 } else {
	 mLocClient.stop();
	 mIsStart = false;
	 mStartBtn.setText("开始");
	 mTv.setText("使用百度地图API进行定位");
	 }
	 }
	 });

	 mLocBtn.setOnClickListener(new OnClickListener() {
	 @Override
	 public void onClick(View v) {
	 mLocClient.getLocation();
	 }
	 });
	
	 }
	
	 @Override
	 public void onDestroy() {
	 mLocClient.stop();
	 super.onDestroy();
	 }
	}

	Location.java
	package com.baidu.locdemo;

	import org.json.JSONObject;

	import com.baidu.location.LocationChangedListener;
	import com.baidu.location.LocationClient;
	import com.baidu.location.ReceiveListener;

	import android.app.Application;
	import android.widget.TextView;

	public class Location extends Application {

	public LocationClient mLocationClient = null;
	private String mData;
	TextView mTv;

	@Override
	public void onCreate() { //在application类中初始化LocationClient类，需要Context类型的参数
	 mLocationClient = new LocationClient(this);
	}

	public void logMsg(String str) {
	 try {
	 mData = str;
	 mTv.setText(mData);
	 } catch (Exception e) {
	 e.printStackTrace();
	 }
	}

	public class MyLocationChangedListener implements LocationChangedListener { //方法onLocationChanged表示当前位置改变。
	 @Override
	 public void onLocationChanged() {
	 logMsg("位置已经改变 ");
	 }
	}

	public class MyReceiveListenner implements ReceiveListener {
	 @Override
	 public void onReceive(String strData) { //获取到的定位结果的json串。
	 //logMsg("定位成功: " + strData);
	
	 try {
	 JSONObject jsonObject = new JSONObject(strData.trim());
	 JSONObject jsonjingweidu = jsonObject.getJSONObject("content").getJSONObject("point");
	 JSONObject jsonaddr = jsonObject.getJSONObject("content").getJSONObject("addr");
	 String longitude =jsonjingweidu.getString("y");
	 String latitude =jsonjingweidu.getString("x");
	 String detail = jsonaddr.getString("detail");
	
	 logMsg("定位成功!"+" "+strData+" "+"经度："+longitude+" "+"纬度："+latitude+" "+"地址："+detail);
	
	 }
	
	 catch (Exception e){
	 logMsg("输出定位信息出错");
	 }
	 }
	}

	}
试试其它关键字
　安卓　
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.安卓利用百度地图API进行定位的关键代码