package com.diandi.demo.ui.activity;
import android.content.BroadcastReceiver;
import android.content.Context;
import android.content.Intent;
import android.content.IntentFilter;
import android.os.Bundle;
import com.baidu.location.BDLocation;
import com.baidu.location.BDLocationListener;
import com.baidu.location.LocationClient;
import com.baidu.location.LocationClientOption;
import com.baidu.mapapi.SDKInitializer;
import com.baidu.mapapi.map.BaiduMap;
import com.baidu.mapapi.map.BitmapDescriptor;
import com.baidu.mapapi.map.BitmapDescriptorFactory;
import com.baidu.mapapi.map.MapStatusUpdate;
import com.baidu.mapapi.map.MapStatusUpdateFactory;
import com.baidu.mapapi.map.MapView;
import com.baidu.mapapi.map.MarkerOptions;
import com.baidu.mapapi.map.MyLocationConfiguration;
import com.baidu.mapapi.map.MyLocationData;
import com.baidu.mapapi.map.OverlayOptions;
import com.baidu.mapapi.model.LatLng;
import com.baidu.mapapi.search.core.SearchResult;
import com.baidu.mapapi.search.geocode.GeoCodeResult;
import com.baidu.mapapi.search.geocode.GeoCoder;
import com.baidu.mapapi.search.geocode.OnGetGeoCoderResultListener;
import com.baidu.mapapi.search.geocode.ReverseGeoCodeOption;
import com.baidu.mapapi.search.geocode.ReverseGeoCodeResult;
import com.diandi.demo.R;
import com.diandi.demo.widget.HeaderLayout.onRightImageButtonClickListener;
import cn.bmob.im.util.BmobLog;
/**
* *******************************************************************************
* ********* Author : klob(kloblic@gmail.com) .
* ********* Date : 2014-11-29 .
* ********* Time : 11:46 .
* ********* Project name : Diandi1.18 .
* ********* Version : 1.0
* ********* Copyright @ 2014, klob, All Rights Reserved
* *******************************************************************************
*/
public class LocationActivity extends BaseActivity implements
OnGetGeoCoderResultListener {
static BDLocation lastLocation = null;
public MyLocationListenner myListener = new MyLocationListenner();
// 定位相关
LocationClient mLocClient;
BitmapDescriptor mCurrentMarker;
MapView mMapView;
BaiduMap mBaiduMap;
GeoCoder mSearch = null; // 搜索模块，因为百度定位sdk能够得到经纬度，但是却无法得到具体的详细地址，因此需要采取反编码方式去搜索此经纬度代表的地址
BitmapDescriptor bdgeo = BitmapDescriptorFactory.fromResource(R.drawable.icon_geo);
private BaiduReceiver mReceiver;// 注册广播接收器，用于监听网络以及验证key
@Override
public void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_location);
initBaiduMap();
}
@Override
void findView() {
}
@Override
void initView() {
}
@Override
void bindEvent() {
}
private void initBaiduMap() {
// 地图初始化
mMapView = (MapView) findViewById(R.id.bmapView);
mBaiduMap = mMapView.getMap();
//设置缩放级别
mBaiduMap.setMaxAndMinZoomLevel(18, 13);
// 注册 SDK 广播监听者
IntentFilter iFilter = new IntentFilter();
iFilter.addAction(SDKInitializer.SDK_BROADTCAST_ACTION_STRING_PERMISSION_CHECK_ERROR);
iFilter.addAction(SDKInitializer.SDK_BROADCAST_ACTION_STRING_NETWORK_ERROR);
mReceiver = new BaiduReceiver();
registerReceiver(mReceiver, iFilter);
Intent intent = getIntent();
String type = intent.getStringExtra("type");
if (type.equals("select")) {// 选择发送位置
initTopBarForBoth("位置", R.drawable.btn_login_selector, "发送",
new onRightImageButtonClickListener() {
@Override
public void onClick() {
// TODO Auto-generated method stub
gotoChatPage();
}
});
mHeaderLayout.getRightImageButton().setEnabled(false);
initLocClient();
} else {// 查看当前位置
initTopBarForLeft("位置");
Bundle b = intent.getExtras();
LatLng latlng = new LatLng(b.getDouble("latitude"), b.getDouble("longtitude"));//维度在前，经度在后
mBaiduMap.setMapStatus(MapStatusUpdateFactory.newLatLng(latlng));
//显示当前位置图标
OverlayOptions ooA = new MarkerOptions().position(latlng).icon(bdgeo).zIndex(9);
mBaiduMap.addOverlay(ooA);
}
mSearch = GeoCoder.newInstance();
mSearch.setOnGetGeoCodeResultListener(this);
}
/**
* 回到聊天界面
*
* @param
* @return void
* @throws
* @Title: gotoChatPage
* @Description: TODO
*/
private void gotoChatPage() {
if (lastLocation != null) {
Intent intent = new Intent();
intent.putExtra("y", lastLocation.getLongitude());// 经度
intent.putExtra("x", lastLocation.getLatitude());// 维度
intent.putExtra("address", lastLocation.getAddrStr());
setResult(RESULT_OK, intent);
this.finish();
} else {
ShowToast("获取地理位置信息失败!");
}
}
private void initLocClient() {
// 开启定位图层
mBaiduMap.setMyLocationEnabled(true);
mBaiduMap.setMyLocationConfigeration(new MyLocationConfiguration(
com.baidu.mapapi.map.MyLocationConfiguration.LocationMode.NORMAL, true, null));
// 定位初始化
mLocClient = new LocationClient(this);
mLocClient.registerLocationListener(myListener);
LocationClientOption option = new LocationClientOption();
option.setProdName("bmobim");// 设置产品线
option.setOpenGps(true);// 打开gps
option.setCoorType("bd09ll"); // 设置坐标类型
option.setScanSpan(1000);
option.setOpenGps(true);
option.setIsNeedAddress(true);
option.setIgnoreKillProcess(true);
mLocClient.setLocOption(option);
mLocClient.start();
if (mLocClient != null && mLocClient.isStarted())
mLocClient.requestLocation();
if (lastLocation != null) {
// 显示在地图上
LatLng ll = new LatLng(lastLocation.getLatitude(),
lastLocation.getLongitude());
MapStatusUpdate u = MapStatusUpdateFactory.newLatLng(ll);
mBaiduMap.animateMapStatus(u);
}
}
@Override
public void onGetGeoCodeResult(GeoCodeResult arg0) {
// TODO Auto-generated method stub
}
@Override
public void onGetReverseGeoCodeResult(ReverseGeoCodeResult result) {
// TODO Auto-generated method stub
if (result == null || result.error != SearchResult.ERRORNO.NO_ERROR) {
ShowToast("抱歉，未能找到结果");
return;
}
BmobLog.i("反编码得到的地址：" + result.getAddress());
lastLocation.setAddrStr(result.getAddress());
}
@Override
protected void onPause() {
mMapView.onPause();
super.onPause();
lastLocation = null;
}
@Override
protected void onResume() {
mMapView.onResume();
super.onResume();
}
@Override
protected void onDestroy() {
if (mLocClient != null && mLocClient.isStarted()) {
// 退出时销毁定位
mLocClient.stop();
}
// 关闭定位图层
mBaiduMap.setMyLocationEnabled(false);
mMapView.onDestroy();
mMapView = null;
// 取消监听 SDK 广播
unregisterReceiver(mReceiver);
super.onDestroy();
// 回收 bitmap 资源
bdgeo.recycle();
}
/**
* 定位SDK监听函数
*/
public class MyLocationListenner implements BDLocationListener {
@Override
public void onReceiveLocation(BDLocation location) {
// map view 销毁后不在处理新接收的位置
if (location == null || mMapView == null)
return;
if (lastLocation != null) {
if (lastLocation.getLatitude() == location.getLatitude()
&& lastLocation.getLongitude() == location
.getLongitude()) {
BmobLog.i("获取坐标相同");// 若两次请求获取到的地理位置坐标是相同的，则不再定位
mLocClient.stop();
return;
}
}
lastLocation = location;
BmobLog.i("lontitude = " + location.getLongitude() + ",latitude = "
+ location.getLatitude() + ",地址 = "
+ lastLocation.getAddrStr());
MyLocationData locData = new MyLocationData.Builder()
.accuracy(location.getRadius())
// 此处设置开发者获取到的方向信息，顺时针0-360
.direction(100).latitude(location.getLatitude())
.longitude(location.getLongitude()).build();
mBaiduMap.setMyLocationData(locData);
LatLng ll = new LatLng(location.getLatitude(),
location.getLongitude());
String address = location.getAddrStr();
if (address != null && !address.equals("")) {
lastLocation.setAddrStr(address);
} else {
// 反Geo搜索
mSearch.reverseGeoCode(new ReverseGeoCodeOption().location(ll));
}
// 显示在地图上
MapStatusUpdate u = MapStatusUpdateFactory.newLatLng(ll);
mBaiduMap.animateMapStatus(u);
//设置按钮可点击
mHeaderLayout.getRightImageButton().setEnabled(true);
}
}
/**
* 构造广播监听类，监听 SDK key 验证以及网络异常广播
*/
public class BaiduReceiver extends BroadcastReceiver {
public void onReceive(Context context, Intent intent) {
String s = intent.getAction();
if (s.equals(SDKInitializer.SDK_BROADTCAST_ACTION_STRING_PERMISSION_CHECK_ERROR)) {
ShowToast("key 验证出错! 请在 AndroidManifest.xml 文件中检查 key 设置");
} else if (s
.equals(SDKInitializer.SDK_BROADCAST_ACTION_STRING_NETWORK_ERROR)) {
ShowToast("网络出错");
}
}
}
}