代码冲突

app/build.gradle

@@ -77,7 +77,6 @@ android {
 }
 
 
-
 dependencies {
     api project(':collect-library')
     implementation project(path: ':vtm-android')

app/src/main/java/com/navinfo/omqs/bean/Route.kt

@@ -0,0 +1,24 @@
+package com.navinfo.omqs.bean
+
+import com.navinfo.collect.library.utils.GeometryTools
+import com.navinfo.collect.library.utils.GeometryToolsKt
+import org.locationtech.jts.geom.Geometry
+import org.oscim.core.GeoPoint
+
+data class Route(
+    val linkId: String,
+    var sNode: String = "",
+    var eNode: String = "",
+    var direct: Int = 0,
+    var name: String = "",
+    var length: Double = 0.0,
+) {
+    var pointList: MutableList<GeoPoint> = mutableListOf()
+        get() {
+            return field
+        }
+        set(value) {
+            length = GeometryTools.getDistance(value)
+            field = value
+        }
+}

app/src/main/java/com/navinfo/omqs/db/ImportOMDBHelper.kt

@@ -439,6 +439,7 @@ class ImportOMDBHelper @AssistedInject constructor(
 
 
                                         // 对renderEntity做预处理后再保存
+                                        try {
                                             val resultEntity =
                                                 importConfig.transformProperties(renderEntity)
 
@@ -620,6 +621,10 @@ class ImportOMDBHelper @AssistedInject constructor(
                                                 }
                                                 listResult.add(renderEntity)
                                             }
+                                        }catch ( e:Exception){
+
+                                        }
+
                                     }
                                 }
                             }

app/src/main/java/com/navinfo/omqs/db/ImportPreProcess.kt

@@ -18,7 +18,7 @@ class ImportPreProcess {
     val code2NameMap = Code2NameMap()
     lateinit var cacheRdLink: Map<String?, RenderEntity>
     val defaultTranslateDistance = 3.0
-    val testFlag:Boolean = true
+    val testFlag:Boolean = false
     fun checkCircleRoad(renderEntity: RenderEntity): Boolean {
         val linkInId = renderEntity.properties["linkIn"]
         val linkOutId = renderEntity.properties["linkOut"]

app/src/main/java/com/navinfo/omqs/ui/activity/map/MainActivity.kt

@@ -279,11 +279,8 @@ class MainActivity : BaseActivity() {
         viewModel.liveDataRoadName.observe(this) {
             if (it != null) {
                 binding.mainActivityRoadName.text = it.properties["name"]
-                if (binding.mainActivityRoadName.visibility != View.VISIBLE) binding.mainActivityRoadName.visibility =
-                    View.VISIBLE
             } else {
-                if (binding.mainActivityRoadName.visibility != View.GONE) binding.mainActivityRoadName.visibility =
+                binding.mainActivityRoadName.text = "   "
-                    View.GONE
             }
         }
 

app/src/main/java/com/navinfo/omqs/ui/activity/map/MainViewModel.kt

@@ -30,33 +30,36 @@ import com.navinfo.collect.library.garminvirbxe.HostBean
 import com.navinfo.collect.library.map.NIMapController
 import com.navinfo.collect.library.map.OnGeoPointClickListener
 import com.navinfo.collect.library.map.handler.*
+import com.navinfo.collect.library.utils.DistanceUtil
 import com.navinfo.collect.library.utils.GeometryTools
 import com.navinfo.collect.library.utils.GeometryToolsKt
 import com.navinfo.collect.library.utils.MapParamUtils
 import com.navinfo.omqs.Constant
 import com.navinfo.omqs.R
-import com.navinfo.omqs.bean.ImportConfig
+import com.navinfo.omqs.bean.*
-import com.navinfo.omqs.bean.QRCodeBean
-import com.navinfo.omqs.bean.SignBean
-import com.navinfo.omqs.bean.TraceVideoBean
 import com.navinfo.omqs.db.RealmOperateHelper
 import com.navinfo.omqs.http.NetResult
 import com.navinfo.omqs.http.NetworkService
+import com.navinfo.omqs.tools.FileManager
 import com.navinfo.omqs.ui.dialog.CommonDialog
 import com.navinfo.omqs.ui.manager.TakePhotoManager
 import com.navinfo.omqs.ui.other.BaseToast
-import com.navinfo.omqs.util.SignUtil
+import com.navinfo.omqs.util.*
-import com.navinfo.omqs.util.DateTimeUtil
-import com.navinfo.omqs.util.ShareUtil
-import com.navinfo.omqs.util.SoundMeter
-import com.navinfo.omqs.util.SpeakMode
 import dagger.hilt.android.lifecycle.HiltViewModel
 import io.realm.Realm
 import io.realm.RealmSet
 import kotlinx.coroutines.Dispatchers
+import kotlinx.coroutines.delay
+import kotlinx.coroutines.flow.Flow
+import kotlinx.coroutines.flow.MutableSharedFlow
 import kotlinx.coroutines.flow.collectLatest
+import kotlinx.coroutines.flow.flow
 import kotlinx.coroutines.launch
+import kotlinx.coroutines.sync.Mutex
 import kotlinx.coroutines.withContext
+import org.locationtech.jts.algorithm.distance.DistanceToPoint
+import org.locationtech.jts.algorithm.distance.PointPairDistance
+import org.locationtech.jts.geom.Coordinate
 import org.locationtech.jts.geom.Geometry
 import org.oscim.core.GeoPoint
 import org.oscim.core.MapPosition
@@ -86,6 +89,9 @@ class MainViewModel @Inject constructor(
 
     private var mCameraDialog: CommonDialog? = null
 
+    //路径计算
+    val liveDataPlanningPathStatus = MutableLiveData<Int>()
+
     //地图点击捕捉到的质检数据ID列表
     val liveDataQsRecordIdList = MutableLiveData<List<String>>()
 
@@ -210,16 +216,22 @@ class MainViewModel @Inject constructor(
 
     private var currentMapZoomLevel: Int = 0
 
+    //导航信息
+    private var naviEngine: NaviEngine = NaviEngine()
+
+    // 定义一个互斥锁
+    private val naviMutex = Mutex()
+
+
     init {
 
+
         mapController.mMapView.vtmMap.events.bind(Map.UpdateListener { e, mapPosition ->
             when (e) {
                 Map.SCALE_EVENT, Map.MOVE_EVENT, Map.ROTATE_EVENT -> liveDataCenterPoint.value =
                     mapPosition
             }
-            if (mapController.mMapView.vtmMap.mapPosition.zoomLevel >= 16) {
 
-            }
             currentMapZoomLevel = mapController.mMapView.vtmMap.mapPosition.zoomLevel
         })
 
@@ -304,9 +316,46 @@ class MainViewModel @Inject constructor(
         sharedPreferences.registerOnSharedPreferenceChangeListener(this)
         MapParamUtils.setTaskId(sharedPreferences.getInt(Constant.SELECT_TASK_ID, -1))
         socketServer = SocketServer(mapController, traceDataBase, sharedPreferences)
+
+        viewModelScope.launch(Dispatchers.Default) {
+            naviTestFlow().collect {
+                naviMutex.lock()
+                if (naviEngine.geometry != null) {
+                    //定义垂线
+                    val pointPairDistance = PointPairDistance()
+                    val coordinate = Coordinate(it.longitude, it.latitude)
+                    DistanceToPoint.computeDistance(
+                        naviEngine.geometry,
+                        coordinate,
+                        pointPairDistance
+                    )
+                    if (pointPairDistance.getCoordinate(0) !== null) {
+                        val line = GeometryTools.createLineString(
+                            mutableListOf(
+                                it,
+                                GeoPoint(
+                                    pointPairDistance.getCoordinate(0).y,
+                                    pointPairDistance.getCoordinate(0).x
+                                )
+                            )
+                        )
+                        mapController.lineHandler.showLine(line.toText())
+                    }
+                }
+                naviMutex.unlock()
+            }
+        }
     }
 
 
+    fun naviTestFlow(): Flow<GeoPoint> = flow {
+
+        while (true) {
+            emit(mapController.mMapView.vtmMap.mapPosition.geoPoint)
+            delay(1000)
+        }
+    }
+
     /**
      * 获取当前任务
      */
@@ -316,6 +365,146 @@ class MainViewModel @Inject constructor(
         val res = realm.where(TaskBean::class.java).equalTo("id", id).findFirst()
         if (res != null) {
             currentTaskBean = realm.copyFromRealm(res)
+            planningPath(currentTaskBean!!)
+        }
+    }
+
+
+    private fun planningPath(taskBean: TaskBean) {
+        if (taskBean.status == FileManager.Companion.FileDownloadStatus.DONE) {
+//            Toast.makeText(context, "正在计算导航路径", Toast.LENGTH_SHORT).show()
+            viewModelScope.launch(Dispatchers.Default) {
+                naviMutex.lock()
+                naviEngine = NaviEngine()
+                val pathList = mutableListOf<Route>()
+                val realm = Realm.getDefaultInstance()
+                for (link in taskBean.hadLinkDvoList) {
+                    //测线不参与导航
+                    if (link.linkStatus == 3) {
+                        continue
+                    }
+                    val route = Route(
+                        linkId = link.linkPid,
+                    )
+                    route.pointList = GeometryTools.getGeoPoints(link.geometry)
+                    //查询每条link的snode，enode
+                    val res1 = realm.where(RenderEntity::class.java)
+                        .equalTo("table", DataCodeEnum.OMDB_RD_LINK.name).and()
+                        .equalTo("properties['linkPid']", link.linkPid).findFirst()
+                    res1?.let {
+
+                        val snodePid = it.properties["snodePid"]
+                        if (snodePid != null) {
+                            route.sNode = snodePid
+                        }
+                        val enodePid = it.properties["enodePid"]
+                        if (enodePid != null) {
+                            route.eNode = enodePid
+                        }
+                    }
+                    //查询每条link的方向
+                    val res2 = realm.where(RenderEntity::class.java)
+                        .equalTo("table", DataCodeEnum.OMDB_LINK_DIRECT.name).and()
+                        .equalTo("properties['linkPid']", link.linkPid).findFirst()
+                    res2?.let {
+                        val direct = it.properties["direct"]
+                        if (direct != null) {
+                            route.direct = direct.toInt()
+                        }
+                    }
+                    //查询每条link的名称
+                    val res3 = realm.where(RenderEntity::class.java)
+                        .equalTo("table", DataCodeEnum.OMDB_LINK_NAME.name).and()
+                        .equalTo("properties['linkPid']", link.linkPid).findFirst()
+                    res3?.let {
+                        route.name = "${it.properties["name"]}"
+                    }
+                    pathList.add(route)
+                }
+                //用来存储最终的导航路径
+                val newRouteList = mutableListOf<Route>()
+                //比对路径排序用的
+                val tempRouteList = pathList.toMutableList()
+                //先找到一根有方向的link，确定起终点
+                var routeStart: Route? = null
+                for (i in tempRouteList.indices) {
+                    val route = pathList[i]
+                    //只要时单方向的就行
+                    if (route.direct == 2 || route.direct == 3) {
+                        routeStart = route
+                        tempRouteList.removeAt(i)
+                        break
+                    }
+                }
+                if (routeStart != null) {
+                    var sNode = ""
+                    var eNode = ""
+                    //如果snode，enode是顺方向，geometry 不动，否则反转
+                    if (routeStart.direct == 3) {
+                        routeStart.pointList.reverse()
+                        sNode = routeStart.eNode
+                        eNode = routeStart.sNode
+                    } else {
+                        sNode = routeStart.sNode
+                        eNode = routeStart.eNode
+                    }
+                    newRouteList.add(routeStart)
+                    var bBreak = true
+                    while (bBreak) {
+                        //先找其实link的后续link
+                        var bHasNext = false
+                        for (route in tempRouteList) {
+                            //如果是link 的e 对下个link的s，方向不用动，否则下个link的geometry反转
+                            if (route.sNode != "" && eNode == route.sNode) {
+                                newRouteList.add(route)
+                                tempRouteList.remove(route)
+                                eNode = route.eNode
+                                bHasNext = true
+                                break
+                            } else if (route.eNode != "" && eNode == route.eNode) {
+                                route.pointList.reverse()
+                                newRouteList.add(route)
+                                tempRouteList.remove(route)
+                                eNode = route.sNode
+                                bHasNext = true
+                                break
+                            }
+                        }
+                        //先找其实link的起始link
+                        var bHasLast = false
+                        for (route in tempRouteList) {
+                            //如果是link 的s 对上个link的e，方向不用动，否则下个link的geometry反转
+                            if (route.eNode != "" && sNode == route.eNode) {
+                                newRouteList.add(0, route)
+                                tempRouteList.remove(route)
+                                sNode = route.sNode
+                                bHasLast = true
+                                break
+                            } else if (route.sNode != "" && sNode == route.sNode) {
+                                route.pointList.reverse()
+                                newRouteList.add(0, route)
+                                tempRouteList.remove(route)
+                                sNode = route.eNode
+                                bHasLast = true
+                                break
+                            }
+                        }
+                        if (tempRouteList.size == 0) {
+                            bBreak = false
+                        } else {
+                            if (!bHasLast && !bHasNext) {
+                                bBreak = false
+                                //TODO 处理错误，路径不完整
+                            }
+                        }
+                    }
+                }
+                naviEngine.routeList = pathList
+                mapController.lineHandler.showLine(naviEngine.geometry!!.toText())
+                naviMutex.unlock()
+            }
+        } else {
+//            Toast.makeText(context, "数据未安装，无法计算导航路径", Toast.LENGTH_SHORT).show()
         }
     }
 
@@ -360,7 +549,6 @@ class MainViewModel @Inject constructor(
         }
 
 
-
         for (item in list) {
             mapController.markerHandle.addOrUpdateNoteMark(item)
         }
@@ -623,9 +811,14 @@ class MainViewModel @Inject constructor(
                                 for (i in outList.indices) {
                                     val outLink = outList[i].properties["linkOut"]
                                     val linkOutEntity =
-                                        realmOperateHelper.getRealmTools(RenderEntity::class.java, true)
+                                        realmOperateHelper.getRealmTools(
+                                            RenderEntity::class.java,
+                                            true
+                                        )
                                             .equalTo("table", DataCodeEnum.OMDB_RD_LINK.name).and()
-                                            .equalTo("properties['${RenderEntity.Companion.LinkTable.linkPid}']",outLink
+                                            .equalTo(
+                                                "properties['${RenderEntity.Companion.LinkTable.linkPid}']",
+                                                outLink
                                             ).findFirst()
                                     if (linkOutEntity != null) {
                                         mapController.lineHandler.linksLayer.addLine(
@@ -633,7 +826,10 @@ class MainViewModel @Inject constructor(
                                         )
                                     }
                                 }
-                                mapController.lineHandler.linksLayer.addLine(link.geometry, Color.BLUE)
+                                mapController.lineHandler.linksLayer.addLine(
+                                    link.geometry,
+                                    Color.BLUE
+                                )
                             }
                         }
 

app/src/main/java/com/navinfo/omqs/ui/fragment/tasklist/TaskViewModel.kt

@@ -11,15 +11,14 @@ import androidx.lifecycle.MutableLiveData
 import androidx.lifecycle.ViewModel
 import androidx.lifecycle.viewModelScope
 import com.navinfo.collect.library.data.dao.impl.TraceDataBase
-import com.navinfo.collect.library.data.entity.HadLinkDvoBean
+import com.navinfo.collect.library.data.entity.*
-import com.navinfo.collect.library.data.entity.NiLocation
+import com.navinfo.collect.library.enums.DataCodeEnum
-import com.navinfo.collect.library.data.entity.QsRecordBean
-import com.navinfo.collect.library.data.entity.TaskBean
 import com.navinfo.collect.library.map.NIMapController
 import com.navinfo.collect.library.map.OnGeoPointClickListener
 import com.navinfo.collect.library.utils.GeometryTools
 import com.navinfo.collect.library.utils.MapParamUtils
 import com.navinfo.omqs.Constant
+import com.navinfo.omqs.bean.Route
 import com.navinfo.omqs.db.RealmOperateHelper
 import com.navinfo.omqs.http.NetResult
 import com.navinfo.omqs.http.NetworkService
@@ -239,12 +238,12 @@ class TaskViewModel @Inject constructor(
                 }
 
                 is NetResult.Loading -> {}
+                else -> {}
             }
         }
     }
 
 
-
     /**
      * 获取任务列表
      */
@@ -292,9 +291,10 @@ class TaskViewModel @Inject constructor(
         MapParamUtils.setTaskId(taskBean.id)
         mapController.layerManagerHandler.updateOMDBVectorTileLayer()
         mapController.mMapView.updateMap(true)
-
     }
 
+
+
     private fun showTaskLinks(taskBean: TaskBean) {
 
         mapController.lineHandler.removeAllTaskLine()

app/src/main/java/com/navinfo/omqs/util/NaviEngine.kt

@@ -0,0 +1,25 @@
+package com.navinfo.omqs.util
+
+import com.navinfo.collect.library.utils.GeometryTools
+import com.navinfo.omqs.bean.Route
+import org.locationtech.jts.geom.LineString
+import org.oscim.core.GeoPoint
+
+class NaviEngine {
+    var geometry: LineString? = null
+    var routeList = mutableListOf<Route>()
+        get() {
+            return field
+        }
+        set(value) {
+            val list = mutableListOf<GeoPoint>()
+            list.addAll(value[0].pointList)
+            for (i in 1 until value.size) {
+                val list2 = value[i].pointList
+                list2.removeAt(0)
+                list.addAll(list2)
+            }
+            geometry = GeometryTools.createLineString(list)
+            field = value
+        }
+}

app/src/main/res/layout/activity_main.xml

@@ -102,7 +102,7 @@
             android:layout_width="0dp"
             android:layout_height="wrap_content"
             android:layout_marginRight="@dimen/top_right_drawer_btns_mr"
-            app:constraint_referenced_ids="main_activity_note,main_activity_task_line,main_activity_serach,main_activity_2d_3d,main_activity_camera,main_activity_trace,main_activity_calc_distance,main_activity_menu"
+            app:constraint_referenced_ids="main_activity_add_new,main_activity_task_line,main_activity_serach,main_activity_2d_3d,main_activity_camera,main_activity_trace,main_activity_calc_distance,main_activity_menu"
             app:flow_horizontalGap="6dp"
             app:flow_wrapMode="aligned"
             app:layout_constraintRight_toLeftOf="@id/main_activity_right_fragment"
@@ -113,7 +113,7 @@
             android:layout_width="wrap_content"
             android:layout_height="wrap_content"
             android:visibility="invisible"
-            app:constraint_referenced_ids="main_activity_serach,main_activity_2d_3d,main_activity_camera,main_activity_trace,main_activity_note,main_activity_task_line,main_activity_calc_distance" />
+            app:constraint_referenced_ids="main_activity_serach,main_activity_2d_3d,main_activity_camera,main_activity_trace,main_activity_add_new,main_activity_task_line,main_activity_calc_distance" />
 
         <ImageButton
             android:id="@+id/main_activity_serach"
@@ -146,10 +146,10 @@
             android:src="@drawable/icon_calc_disance" />
 
         <ImageButton
-            android:id="@+id/main_activity_note"
+            android:id="@+id/main_activity_add_new"
             style="@style/top_right_drawer_btns_style"
-            android:onClick="@{()->mainActivity.onClickNewNote()}"
+            android:onClick="@{()->mainActivity.voiceOnclick()}"
-            android:src="@drawable/icon_menu_note" />
+            android:src="@drawable/icon_add_data" />
 
         <ImageButton
             android:id="@+id/main_activity_task_line"
@@ -243,7 +243,6 @@
             android:paddingBottom="4dp"
             android:textColor="@color/white"
             android:textSize="16sp"
-            android:visibility="gone"
             app:layout_constraintBottom_toTopOf="@id/main_activity_bottom_sheet"
             app:layout_constraintLeft_toLeftOf="@id/main_activity_top_sign_recyclerview" />
 
@@ -291,11 +290,11 @@
             app:layout_constraintRight_toRightOf="@id/main_activity_map_update" />
 
         <ImageButton
-            android:id="@+id/main_activity_add_new"
+            android:id="@+id/main_activity_note"
             style="@style/zoom_btns_style"
             android:layout_marginBottom="12dp"
-            android:onClick="@{()->mainActivity.voiceOnclick()}"
+            android:onClick="@{()->mainActivity.onClickNewNote()}"
-            android:src="@drawable/icon_add_data"
+            android:src="@drawable/icon_menu_note"
             app:layout_constraintBottom_toTopOf="@id/main_activity_location"
             app:layout_constraintRight_toRightOf="@id/main_activity_location" />
 
@@ -305,8 +304,8 @@
             android:layout_marginBottom="12dp"
             android:onClick="@{()->mainActivity.voiceOnclick()}"
             android:src="@drawable/icon_add_voice"
-            app:layout_constraintBottom_toTopOf="@id/main_activity_add_new"
+            app:layout_constraintBottom_toTopOf="@id/main_activity_note"
-            app:layout_constraintRight_toRightOf="@id/main_activity_add_new" />
+            app:layout_constraintRight_toRightOf="@id/main_activity_note" />
 
         <ImageButton
             android:id="@+id/main_activity_select_line"
@@ -332,13 +331,13 @@
             android:id="@+id/main_activity_right_visibility_buttons_group"
             android:layout_width="wrap_content"
             android:layout_height="wrap_content"
-            app:constraint_referenced_ids="main_activity_close_line,main_activity_select_line,main_activity_voice,main_activity_add_new" />
+            app:constraint_referenced_ids="main_activity_close_line,main_activity_select_line,main_activity_voice,main_activity_note" />
 
         <androidx.constraintlayout.widget.Group
             android:id="@+id/main_activity_right_visibility_buttons_group2"
             android:layout_width="wrap_content"
             android:layout_height="wrap_content"
-            app:constraint_referenced_ids="main_activity_close_line,main_activity_select_line,main_activity_voice,main_activity_add_new,main_activity_map_update,main_activity_zoom_in,main_activity_zoom_out,main_activity_geometry,main_activity_location" />
+            app:constraint_referenced_ids="main_activity_close_line,main_activity_select_line,main_activity_voice,main_activity_note,main_activity_map_update,main_activity_zoom_in,main_activity_zoom_out,main_activity_geometry,main_activity_location" />
 
         <fragment
             android:id="@+id/main_activity_middle_fragment"

collect-library/src/main/java/com/navinfo/collect/library/map/handler/LocationLayerHandler.kt

@@ -67,7 +67,10 @@ class LocationLayerHandler(context: AppCompatActivity, mapView: NIMapView) :
                 val errorCode = it.locType
                 mCurrentLocation = it
                 mLocationLayer.setPosition(it.latitude, it.longitude, it.radius)
-                Log.e("qj", "location==${it.longitude}==errorCode===$errorCode===${it.locTypeDescription}")
+                Log.e(
+                    "qj",
+                    "location==${it.longitude}==errorCode===$errorCode===${it.locTypeDescription}"
+                )
 
                 getCurrentNiLocation()?.let { it1 ->
                     mContext.lifecycleScope.launch {
@@ -212,6 +215,7 @@ private class MyLocationListener(callback: (BDLocation) -> Unit) : BDAbstractLoc
     val call = callback;
     override fun onReceiveLocation(location: BDLocation) {
         call(location)
+        Log.e("jingo", "定位结果：速度=" + location.speed +" 方向=" + location.direction)
     }
 }
 

collect-library/src/main/java/com/navinfo/collect/library/utils/GeometryTools.java

@@ -1,7 +1,12 @@
 package com.navinfo.collect.library.utils;
 
 import android.graphics.Point;
+import android.os.Build;
 import android.util.Log;
+
+import org.jetbrains.annotations.NotNull;
+import org.locationtech.jts.algorithm.distance.DistanceToPoint;
+import org.locationtech.jts.algorithm.distance.PointPairDistance;
 import org.locationtech.jts.geom.Coordinate;
 import org.locationtech.jts.geom.Geometry;
 import org.locationtech.jts.geom.GeometryFactory;
@@ -14,6 +19,7 @@ import org.locationtech.jts.io.WKTReader;
 import org.locationtech.jts.operation.linemerge.LineMerger;
 import org.oscim.core.GeoPoint;
 import org.oscim.map.Map;
+
 import java.math.BigDecimal;
 import java.util.ArrayList;
 import java.util.Collection;
@@ -589,6 +595,21 @@ public class GeometryTools {
         return list;
     }
 
+    public static List<GeoPoint> getGeoPoints(Geometry geometry) {
+        List<GeoPoint> list = null;
+        if (geometry != null) {
+            Coordinate[] coordinates = geometry.getCoordinates();
+            if (coordinates != null && coordinates.length > 0) {
+                list = new ArrayList<GeoPoint>();
+                for (Coordinate coor : coordinates) {
+                    list.add(new GeoPoint(coor.y, coor.x));
+                }
+            }
+        }
+        return list;
+    }
+
+
     public static Coordinate[] getCoordinates(String str) {
         Coordinate[] coordinates = null;
         if (Check.isEmpty(str))
@@ -1294,6 +1315,8 @@ public class GeometryTools {
     }
 
 
+
+
     public enum SNAP_TYPE {
         /**
          * 像素
@@ -1377,9 +1400,11 @@ public class GeometryTools {
 
     static class Check {
         public static boolean isEmpty(String str) {
+            if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.GINGERBREAD) {
                 if (str == null || str.isEmpty()) {
                     return true;
                 }
+            }
             return false;
         }
     }
@@ -1521,6 +1546,7 @@ public class GeometryTools {
 
     /**
      * 计算距离
+     *
      * @param list
      * @return
      */
@@ -1573,10 +1599,68 @@ public class GeometryTools {
      * @return 对应的地理坐标系中的距离（单位：度）
      */
     private static final double EARTH_RADIUS = 6371000.0;
+
     public static double convertDistanceToDegree(double distance, double latitude) {
         double radianDistance = distance / EARTH_RADIUS;
         double radianLatitude = Math.toRadians(latitude);
+
         double radianDegree = 2 * Math.asin(Math.sin(radianDistance / 2) / Math.cos(radianLatitude));
         return Math.toDegrees(radianDegree);
     }
+
+    /**
+     * 经纬度转墨卡托
+     */
+    public static Coordinate geoPointToMercator(GeoPoint point) {
+        Coordinate coordinate = new Coordinate();
+
+        double x = point.getLongitude() * 20037508.34 / 180;
+        double y = Math.log(Math.tan((90 + point.getLatitude()) * Math.PI / 360)) / (Math.PI / 180);
+
+        y = y * 20037508.34 / 180;
+
+        coordinate.x = x;
+        coordinate.y = y;
+
+        return coordinate;
+    }
+
+    /**
+     * 墨卡托转经纬度
+     */
+    public static GeoPoint mercatorToGeoPoint(Coordinate coordinate) {
+        GeoPoint point = null;
+        double x = coordinate.x / 20037508.34 * 180;
+        double y = coordinate.y / 20037508.34 * 180;
+
+        y = 180 / Math.PI * (2 * Math.atan(Math.exp(y * Math.PI / 180)) - Math.PI / 2);
+
+        point = new GeoPoint(y, x);
+        return point;
+    }
+
+    public static List<GeoPoint> pointToLineDistance(GeoPoint point, List<GeoPoint> pointList) {
+
+        Coordinate coordinate = geoPointToMercator(point);
+        Coordinate[] cs = new Coordinate[pointList.size()];
+
+        for (int i = 0; i < pointList.size(); i++) {
+            Coordinate c = geoPointToMercator(pointList.get(i));
+            cs[i] = c;
+        }
+        GeometryFactory factory = new GeometryFactory();
+        LineString lineString = factory.createLineString(cs);
+        PointPairDistance pointPairDistance = new PointPairDistance();
+        DistanceToPoint.computeDistance(
+                lineString,
+                coordinate,
+                pointPairDistance
+        );
+
+        List newPoints = new ArrayList<GeoPoint>();
+        for (int i = 0; i < pointPairDistance.getCoordinates().length; i++) {
+            newPoints.add(mercatorToGeoPoint(pointPairDistance.getCoordinate(i)));
+        }
+        return newPoints;
+    }
 }

vtm

@@ -1 +1 @@
-Subproject commit facb2419b710ea272eb9b06ebce2acf373ef6e73
+Subproject commit 96981d227d68df5cf4e6de000be5e9011557f69a