多边形没有关闭

Question

帮助，我想绘制一个多边形，我的多边形没有关闭，我的坐标是正确的。最后一点不能与其他人连接以形成多边形。我不确定我做错了什么。由于

screenshot http://i65.tinypic.com/29c9i89.jpg

import android.app.Activity; 
import android.content.Context; 
import android.content.Intent; 
import android.graphics.Canvas; 
import android.graphics.Color; 
import android.graphics.Paint; 

import android.view.Gravity; 
import android.view.View; 
import android.widget.Button; 
import android.widget.LinearLayout; 
import android.widget.TextView; 
import android.widget.ZoomButton; 

import com.google.android.gms.maps.CameraUpdateFactory; 
import com.google.android.gms.maps.GoogleMap; 
import com.google.android.gms.maps.MapFragment; 
import com.google.android.gms.maps.OnMapReadyCallback; 
import com.google.android.gms.maps.SupportMapFragment; 
import android.app.AppOpsManager; 


import com.google.android.gms.maps.model.BitmapDescriptorFactory; 
import com.google.android.gms.maps.model.LatLng; 
import com.google.android.gms.maps.model.Marker; 
import com.google.android.gms.maps.model.MarkerOptions; 
import com.google.android.gms.appindexing.Action; 
import com.google.android.gms.appindexing.AppIndex; 
import com.google.android.gms.common.api.GoogleApiClient; 
import com.google.android.gms.maps.model.Polygon; 
import com.google.android.gms.maps.model.PolygonOptions; 
import com.google.android.gms.maps.model.Polyline; 
import com.google.android.gms.maps.model.PolylineOptions; 

    import java.util.Map; 


public class MapsActivity extends FragmentActivity implements OnMapReadyCallback { 

private GoogleMap mMap; 


@Override 
protected void onCreate(Bundle savedinstancestate) { 
    super.onCreate(savedinstancestate); 
    setContentView(R.layout.activity_maps); 

    final Button button1 = (Button) findViewById(R.id.buttonMaps); 
    final Button button2 = (Button) findViewById(R.id.buttonMaps2); 
    final Button button3 = (Button) findViewById(R.id.buttonMaps3); 
    final Button button4 = (Button) findViewById(R.id.buttonMaps4); 
    final Button button5 = (Button) findViewById(R.id.buttonMaps5); 
    final Button button6 = (Button) findViewById(R.id.buttonMaps6); 
    final Button button7 = (Button) findViewById(R.id.buttonMaps7); 
    final Button button8 = (Button) findViewById(R.id.buttonMaps8); 
    final Button button9 = (Button) findViewById(R.id.buttonMaps9); 
    final Button button10 = (Button) findViewById(R.id.buttonMaps10); 


    button2.setVisibility(View.INVISIBLE); 
    button3.setVisibility(View.INVISIBLE); 
    button4.setVisibility(View.INVISIBLE); 
    button5.setVisibility(View.INVISIBLE); 
    button6.setVisibility(View.INVISIBLE); 
    button7.setVisibility(View.INVISIBLE); 
    button8.setVisibility(View.INVISIBLE); 
    button9.setVisibility(View.INVISIBLE); 
    button10.setVisibility(View.INVISIBLE); 


    button1.setOnClickListener(new View.OnClickListener() { 
     @Override 
     public void onClick(View view) { 


      mMap.clear(); 
      if (button1.isShown()) { 

       Polygon polygon = mMap.addPolygon(new PolygonOptions() 
         .add(new LatLng(6.519,3.368),new LatLng(6.520,3.376), new LatLng(6.522, 3.378), new LatLng(6.523,3.382), new LatLng(6.524,3.390), new LatLng(6.524, 3.999),new LatLng(6.523, 3.406),new LatLng(6.520, 3.404),new LatLng(6.518, 3.406),new LatLng(6.516, 3.407),new LatLng(6.511, 3.409), new LatLng(6.509, 3.410),new LatLng(6.504, 3.410), new LatLng(6.501, 3.407), new LatLng(6.497, 3.402),new LatLng(6.494, 3.399),new LatLng(6.492, 3.397),new LatLng(6.487, 3.397),new LatLng(6.484, 3.398),new LatLng(6.481, 3.396),new LatLng(6.477, 3.395),new LatLng(6.475, 3.395),new LatLng(6.472, 3.395),new LatLng(6.468, 3.394),new LatLng(6.467, 3.387),new LatLng(6.463, 3.381),new LatLng(6.467, 3.379),new LatLng(6.468, 3.377),new LatLng(6.469, 3.374),new LatLng(6.468, 3.370),new LatLng(6.467, 3.365),new LatLng(6.472, 3.364),new LatLng(6.475, 3.365),new LatLng(6.478, 3.366),new LatLng(6.479, 3.367),new LatLng(6.481, 3.369),new LatLng(6.481, 3.372),new LatLng(6.481, 3.376),new LatLng(6.480, 3.381),new LatLng(6.482, 3.384),new LatLng(6.519,3.368)) 
         .strokeColor(Color.BLUE) 
         .geodesic(true)); 

       mMap.addMarker(new MarkerOptions().position(new LatLng(6.5084, 3.3842)).title("Lagos Mainland").snippet("My Location").icon(BitmapDescriptorFactory.fromResource(R.mipmap.ic_launcher))); 
       button2.setVisibility(View.VISIBLE); 
       button3.setVisibility(View.VISIBLE); 
       button4.setVisibility(View.VISIBLE); 
       button5.setVisibility(View.VISIBLE); 
       button6.setVisibility(View.VISIBLE); 
       button7.setVisibility(View.VISIBLE); 
       button8.setVisibility(View.VISIBLE); 
       button9.setVisibility(View.VISIBLE); 
       button10.setVisibility(View.VISIBLE); 



      } 
     } 

    }); 

Answer 1

多边形正确drawed。 问题出在新LatLng（6.524,3.99）。如果您为每个LatLng添加标记，您可以观看它。

试试这个，并希望它有帮助。

mMap.addMarker(new MarkerOptions().position(new LatLng(6.524, 3.999)).title("E")); 

mMap.addMarker(new MarkerOptions().position(new LatLng(6.519,3.368)).title("P01")); 
mMap.addMarker(new MarkerOptions().position(new LatLng(6.520,3.376)).title("P02")); 
mMap.addMarker(new MarkerOptions().position(new LatLng(6.522, 3.378)).title("P03")); 
mMap.addMarker(new MarkerOptions().position(new LatLng(6.523,3.382)).title("P04")); 
mMap.addMarker(new MarkerOptions().position(new LatLng(6.524,3.390)).title("P05")); 
//Point far 
mMap.addMarker(new MarkerOptions().position(new LatLng(6.524, 3.999)).title("P06")); //point far 

mMap.addMarker(new MarkerOptions().position(new LatLng(6.523, 3.406)).title("P07")); 
mMap.addMarker(new MarkerOptions().position(new LatLng(6.520, 3.404)).title("P08")); 
mMap.addMarker(new MarkerOptions().position(new LatLng(6.518, 3.406)).title("P09")); 
mMap.addMarker(new MarkerOptions().position(new LatLng(6.516, 3.407)).title("P10")); 
mMap.addMarker(new MarkerOptions().position(new LatLng(6.511, 3.409)).title("P11")); 
mMap.addMarker(new MarkerOptions().position(new LatLng(6.509, 3.410)).title("P12")); 
mMap.addMarker(new MarkerOptions().position(new LatLng(6.504, 3.410)).title("P13")); 
mMap.addMarker(new MarkerOptions().position(new LatLng(6.501, 3.407)).title("P14")); 
mMap.addMarker(new MarkerOptions().position(new LatLng(6.497, 3.402)).title("P15")); 
mMap.addMarker(new MarkerOptions().position(new LatLng(6.494, 3.399)).title("P16")); 
mMap.addMarker(new MarkerOptions().position(new LatLng(6.492, 3.397)).title("P17")); 
mMap.addMarker(new MarkerOptions().position(new LatLng(6.487, 3.397)).title("P18")); 
mMap.addMarker(new MarkerOptions().position(new LatLng(6.484, 3.398)).title("P19")); 
mMap.addMarker(new MarkerOptions().position(new LatLng(6.481, 3.396)).title("P20")); 
mMap.addMarker(new MarkerOptions().position(new LatLng(6.477, 3.395)).title("P21")); 
mMap.addMarker(new MarkerOptions().position(new LatLng(6.475, 3.395)).title("P22")); 
mMap.addMarker(new MarkerOptions().position(new LatLng(6.472, 3.395)).title("P23")); 
mMap.addMarker(new MarkerOptions().position(new LatLng(6.468, 3.394)).title("P24")); 
mMap.addMarker(new MarkerOptions().position(new LatLng(6.467, 3.387)).title("P25")); 
mMap.addMarker(new MarkerOptions().position(new LatLng(6.463, 3.381)).title("P26")); 
mMap.addMarker(new MarkerOptions().position(new LatLng(6.467, 3.379)).title("P27")); 
mMap.addMarker(new MarkerOptions().position(new LatLng(6.468, 3.377)).title("P28")); 
mMap.addMarker(new MarkerOptions().position(new LatLng(6.469, 3.374)).title("P29")); 
mMap.addMarker(new MarkerOptions().position(new LatLng(6.468, 3.370)).title("P30")); 
mMap.addMarker(new MarkerOptions().position(new LatLng(6.467, 3.365)).title("P31")); 
mMap.addMarker(new MarkerOptions().position(new LatLng(6.472, 3.364)).title("P32")); 
mMap.addMarker(new MarkerOptions().position(new LatLng(6.475, 3.365)).title("P33")); 
mMap.addMarker(new MarkerOptions().position(new LatLng(6.478, 3.366)).title("P34")); 
mMap.addMarker(new MarkerOptions().position(new LatLng(6.479, 3.367)).title("P35")); 
mMap.addMarker(new MarkerOptions().position(new LatLng(6.481, 3.369)).title("P36")); 
mMap.addMarker(new MarkerOptions().position(new LatLng(6.481, 3.372)).title("P37")); 
mMap.addMarker(new MarkerOptions().position(new LatLng(6.481, 3.376)).title("P38")); 
mMap.addMarker(new MarkerOptions().position(new LatLng(6.480, 3.381)).title("P39")); 
mMap.addMarker(new MarkerOptions().position(new LatLng(6.482, 3.384)).title("P40")); 
mMap.addMarker(new MarkerOptions().position(new LatLng(6.519,3.368)).title("P41"));