需要精确 定位 及划线 算法 ~~~ 求 大神 搭救 ---
package com.curiousby.demo.running;
import java.util.ArrayList;
import java.util.Date;
import java.util.List;
import android.os.Bundle;
import android.support.v4.app.Fragment;
import android.util.Log;
import android.view.LayoutInflater;
import android.view.View;
import android.view.ViewGroup;
import android.widget.Toast;
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.MapStatus;
import com.baidu.mapapi.map.MapStatusUpdateFactory;
import com.baidu.mapapi.map.MapView;
import com.baidu.mapapi.map.MyLocationConfiguration;
import com.baidu.mapapi.map.OverlayOptions;
import com.baidu.mapapi.map.Polyline;
import com.baidu.mapapi.map.PolylineOptions;
import com.baidu.mapapi.map.MyLocationConfiguration.LocationMode;
import com.baidu.mapapi.map.MyLocationData;
import com.baidu.mapapi.model.LatLng;
import com.curiousby.demo.BaiduLBSUtil;
import com.curiousby.demo.R;
public class RunningMainFragment extends Fragment {
// 定位相关
LocationClient mLocClient;
public MyLocationListenner myListener = new MyLocationListenner();
MapView mMapView = null;
BaiduMap mBaiduMap;
private LocationMode mCurrentMode;
//BitmapDescriptor mCurrentMarker;
private View mBaseView;
Polyline mPolyline;
Polyline mColorfulPolyline;
Polyline mTexturePolyline;
boolean isFirstLoc = true; // 是否首次定位
private static final int accuracyCircleFillColor = 0xAAFFFF88;
private static final int accuracyCircleStrokeColor = 0xAA00FF00;
static BitmapDescriptor mGreenTexture ;
private double mLatitude;
private double mLongitude;
private long mTime;
private double currentLatitude;
private double currentLongitude;
private long currentTime;
@Override
public View onCreateView(LayoutInflater inflater, ViewGroup container,
Bundle savedInstanceState) {
SDKInitializer.initialize(getActivity().getApplicationContext());
mCurrentMode = LocationMode.FOLLOWING;
//mCurrentMarker = BitmapDescriptorFactory.fromResource(R.drawable.ic_launcher);
mGreenTexture = BitmapDescriptorFactory.fromAsset("icon_road_green_arrow.png");
mBaseView = LayoutInflater.from(getActivity()).inflate(R.layout.running_tab_main,null);
mMapView = (MapView) mBaseView.findViewById(R.id.bmapView);
mBaiduMap = mMapView.getMap();
// mCurrentMarker = BitmapDescriptorFactory .fromResource(R.drawable.icon_geo);
mBaiduMap .setMyLocationConfigeration(new MyLocationConfiguration( mCurrentMode, true, null));
// 开启定位图层
mBaiduMap.setMyLocationEnabled(true);
// 定位初始化
mLocClient = new LocationClient(getActivity().getApplicationContext());
mLocClient.registerLocationListener(myListener);
LocationClientOption option = new LocationClientOption();
option.setOpenGps(true); // 打开gps
option.setCoorType("bd09ll"); // 设置坐标类型
option.setScanSpan(2000);
mLocClient.setLocOption(option);
mLocClient.start();
return mBaseView;
}
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;
}
currentLatitude = location.getLatitude();
currentLongitude = location.getLongitude();
currentTime = new Date().getTime();
if(currentLatitude==4.9E-324||currentLatitude==4.9E-324){
return ;
}
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(currentLatitude)
.longitude(currentLongitude)
.build();
mBaiduMap.setMyLocationData(locData);
if(mLatitude == 0.0|| mLongitude ==0.0){
//return ;
}else{
LatLng p1 = new LatLng(mLatitude, mLongitude);
LatLng p2 = new LatLng(currentLatitude,currentLongitude );
double distance = BaiduLBSUtil.getDistance(p1, p2);
double speed =distance / (currentTime - mTime == 0 ? 1:(currentTime - mTime )/1000);
Log.e("baoyou", speed + "");
if ( speed > 10) {
return ;
}
List<LatLng> points = new ArrayList<LatLng>();
points.add(p1);
points.add(p2);
OverlayOptions ooPolyline11 = new PolylineOptions().width(10)
.points(points).dottedLine(true).customTexture(mGreenTexture);
mTexturePolyline = (Polyline) mBaiduMap.addOverlay(ooPolyline11);
}
mLatitude = currentLatitude;
mLongitude = currentLongitude;
mTime = currentTime;
Toast.makeText(getActivity().getApplication(), " currentLatitude =-"+currentLatitude +"currentLongitude =-"+currentLongitude , Toast.LENGTH_SHORT ).show();
Log.e("baoyou", "currentLatitude =-"+currentLatitude +"currentLongitude =-"+currentLongitude);
if (isFirstLoc) {
isFirstLoc = false;
LatLng ll = new LatLng(currentLatitude,currentLongitude);
MapStatus.Builder builder = new MapStatus.Builder();
builder.target(ll).zoom(18.0f);
mBaiduMap.animateMapStatus(MapStatusUpdateFactory.newMapStatus(builder.build()));
}
}
public void onReceivePoi(BDLocation poiLocation) {
}
}
@Override
public void onPause() {
mMapView.onPause();
super.onPause();
}
@Override
public void onResume() {
mMapView.onResume();
super.onResume();
}
@Override
public void onDestroy() {
// 退出时销毁定位
mLocClient.stop();
// 关闭定位图层
mBaiduMap.setMyLocationEnabled(false);
mMapView.onDestroy();
mGreenTexture.recycle();
mMapView = null;
super.onDestroy();
}
}
<?xml version="1.0" encoding="utf-8"?>
<manifest xmlns:android="http://schemas.android.com/apk/res/android"
package="com.curiousby.demo"
android:versionCode="1"
android:versionName="1.0" >
<uses-sdk android:minSdkVersion="9" android:targetSdkVersion="18" />
<uses-permission android:name="android.permission.INTERNET"/>
<uses-permission android:name="android.permission.READ_PHONE_STATE" />
<uses-permission android:name="android.permission.ACCESS_NETWORK_STATE" />
<uses-permission android:name="android.permission.RECEIVE_BOOT_COMPLETED" />
<uses-permission android:name="android.permission.WRITE_SETTINGS" />
<uses-permission android:name="android.permission.VIBRATE" />
<uses-permission android:name="android.permission.WRITE_EXTERNAL_STORAGE" />
<uses-permission android:name="android.permission.ACCESS_DOWNLOAD_MANAGER"/>
<uses-permission android:name="android.permission.DOWNLOAD_WITHOUT_NOTIFICATION" />
<uses-permission android:name="android.permission.DISABLE_KEYGUARD" />
<uses-permission android:name="android.permission.ACCESS_COARSE_LOCATION" />
<uses-permission android:name="android.permission.ACCESS_WIFI_STATE" />
<uses-permission android:name="com.android.launcher.permission.READ_SETTINGS" />
<uses-permission android:name="android.permission.WAKE_LOCK" />
<uses-permission android:name="android.permission.CHANGE_WIFI_STATE" />
<uses-permission android:name="android.permission.GET_TASKS" />
<application
android:allowBackup="true"
android:icon="@drawable/ic_launcher"
android:label="@string/app_name"
android:theme="@style/AppTheme" >
<activity
android:name="com.curiousby.demo.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>
<activity android:name="com.curiousby.demo.running.RunningMainActivity"></activity>
<service android:name="com.baidu.location.f" android:enabled="true" android:process=":remote" > </service>
<meta-data android:name="com.baidu.lbsapi.API_KEY" android:value="gubKYsssq9ePIdVpBhz0VBfwx2PoMoYr" />
</application>
</manifest>
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