Android之百度定位API使用

<service android:name="com.baidu.location.f" android:enabled="true" android:process=":remote">
</service>

<!-- 这个权限用于进行网络定位-->
<uses-permission android:name="android.permission.ACCESS_COARSE_LOCATION"></uses-permission>
<!-- 这个权限用于访问GPS定位-->
<uses-permission android:name="android.permission.ACCESS_FINE_LOCATION"></uses-permission>
<!-- 用于访问wifi网络信息，wifi信息会用于进行网络定位-->
<uses-permission android:name="android.permission.ACCESS_WIFI_STATE"></uses-permission>
<!-- 获取运营商信息，用于支持提供运营商信息相关的接口-->
<uses-permission android:name="android.permission.ACCESS_NETWORK_STATE"></uses-permission>
<!-- 这个权限用于获取wifi的获取权限，wifi信息会用来进行网络定位-->
<uses-permission android:name="android.permission.CHANGE_WIFI_STATE"></uses-permission>
<!-- 用于读取手机当前的状态-->
<uses-permission android:name="android.permission.READ_PHONE_STATE"></uses-permission>
<!-- 写入扩展存储，向扩展卡写入数据，用于写入离线定位数据-->
<uses-permission android:name="android.permission.WRITE_EXTERNAL_STORAGE"></uses-permission>
<!-- 访问网络，网络定位需要上网-->
<uses-permission android:name="android.permission.INTERNET" />
<!-- SD卡读取权限，用户写入离线定位数据-->
<uses-permission android:name="android.permission.MOUNT_UNMOUNT_FILESYSTEMS"></uses-permission>
<!--允许应用读取低级别的系统日志文件 -->
<uses-permission android:name="android.permission.READ_LOGS"></uses-permission>

<meta-data
            android:name="com.baidu.lbsapi.API_KEY"
            android:value="前面申请的访问应用（AK）" />

public LocationClient mLocClient;
public MyLocationListener mMyLocationListener;

@Override
public void onCreate(Bundle arg0) {
    // TODO Auto-generated method stub
    super.onCreate(arg0);
        
    mLocClient = new LocationClient(getActivity());
    mMyLocationListener = new MyLocationListener();
        
    // 百度定位初始化
    InitLocation();
        
    // 获取位置信息
    startRequestLocation();
}

    /**
     * 实现实位回调监听
     */
    public class MyLocationListener implements BDLocationListener {

        @Override
        public void onReceiveLocation(BDLocation location) {// 坐标信息换算成具体位置信息(JSON格式，需要解析)
            List<NameValuePair> list = new ArrayList<NameValuePair>();
            BasicNameValuePair akValuePair = new BasicNameValuePair("ak", "这里填你的AK");
            BasicNameValuePair mcodeValuePair = new BasicNameValuePair("mcode", "这里填你的mcode");
            BasicNameValuePair locationValuePair = new BasicNameValuePair("location", "32.214283,118.893443");
            BasicNameValuePair outputValuePair = new BasicNameValuePair("output", "json");
            BasicNameValuePair poisValuePair = new BasicNameValuePair("pois", "0");
            list.add(akValuePair);
            list.add(mcodeValuePair);
            list.add(locationValuePair);
            list.add(outputValuePair);
            list.add(poisValuePair);
            geoDecoder(list);
            
            // 输出到LOG
            if(D) Log.i(TAG, sb.toString());
            
            // 结束位置信息获取
            if (mLocClient != null) {
                mLocClient.unRegisterLocationListener(mMyLocationListener);
                mLocClient.stop();
            }
        }
    }  

　　// 坐标信息换算成具体位置信息(放到线程中去完成，不影响主线程)
    private void geoDecoder(final List<NameValuePair> list) {
        new Thread() {
            public void run() {
                String url = "http://api.map.baidu.com/geocoder/v2/";
                String result = HttpUtil.httpPostClient(url, list);

                Message msg = new Message();
                msg.obj = result;
                mHandler.sendMessage(msg);
            };
        }.start();
    }
    
    // 主线程里处理其他线程结果数据
    private Handler mHandler = new Handler() {
        public void handleMessage(android.os.Message msg) {
            try {        
                GeocoderSearchResponse geocoderSearchResponse = new Gson().fromJson(msg.obj.toString(), GeocoderSearchResponse.class);// 输出到控件
                if(geocoderSearchResponse.status.equals("0")){
                    text_index_location = (TextView) getActivity().findViewById(R.id.text_index_location);
                    text_index_location.setText(geocoderSearchResponse.result.addressComponent.city + geocoderSearchResponse.result.addressComponent.district);
                }else{
                    text_index_location = (TextView) getActivity().findViewById(R.id.text_index_location);
                    text_index_location.setText("GPS位置获取失败！ErrCode:" + geocoderSearchResponse.status);
                }
            } catch (Exception e) {
                // TODO: handle exception
            }
        };
    };