[google_maps_flutter_android] Fixes points losing precision when converting to LatLng

packages/google_maps_flutter/google_maps_flutter_android/CHANGELOG.md

@@ -1,5 +1,6 @@
-## NEXT
+## 2.4.4
 
+* Fixes Points losing precision when converting to LatLng
 * Updates minimum Flutter version to 3.0.
 
 ## 2.4.3

packages/google_maps_flutter/google_maps_flutter_android/android/src/main/java/io/flutter/plugins/googlemaps/Convert.java

@@ -7,6 +7,7 @@
 import android.graphics.Bitmap;
 import android.graphics.BitmapFactory;
 import android.graphics.Point;
+import androidx.annotation.VisibleForTesting;
 import com.google.android.gms.maps.CameraUpdate;
 import com.google.android.gms.maps.CameraUpdateFactory;
 import com.google.android.gms.maps.model.BitmapDescriptor;
@@ -592,13 +593,14 @@ static String interpretCircleOptions(Object o, CircleOptionsSink sink) {
     }
   }
 
-  private static List<LatLng> toPoints(Object o) {
+  @VisibleForTesting
+  static List<LatLng> toPoints(Object o) {
     final List<?> data = toList(o);
     final List<LatLng> points = new ArrayList<>(data.size());
 
     for (Object rawPoint : data) {
       final List<?> point = toList(rawPoint);
-      points.add(new LatLng(toFloat(point.get(0)), toFloat(point.get(1))));
+      points.add(new LatLng(toDouble(point.get(0)), toDouble(point.get(1))));
     }
     return points;
   }

packages/google_maps_flutter/google_maps_flutter_android/android/src/test/java/io/flutter/plugins/googlemaps/ConvertTest.java

@@ -0,0 +1,29 @@
+// Copyright 2013 The Flutter Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+
+package io.flutter.plugins.googlemaps;
+
+import com.google.android.gms.maps.model.LatLng;
+import java.util.ArrayList;
+import java.util.List;
+import org.junit.Assert;
+import org.junit.Test;
+
+public class ConvertTest {
+
+  @Test
+  public void ConvertToPointsConvertsThePointsWithFullPrecision() {
+    double latitude = 43.03725568057;
+    double longitude = -87.90466904649;
+    ArrayList<Double> point = new ArrayList<Double>();
+    point.add(latitude);
+    point.add(longitude);
+    ArrayList<ArrayList<Double>> pointsList = new ArrayList<>();
+    pointsList.add(point);
+    List<LatLng> latLngs = Convert.toPoints(pointsList);
+    LatLng latLng = latLngs.get(0);
+    Assert.assertEquals(latitude, latLng.latitude, 1e-15);
+    Assert.assertEquals(longitude, latLng.longitude, 1e-15);
+  }
+}

packages/google_maps_flutter/google_maps_flutter_android/pubspec.yaml

@@ -2,7 +2,7 @@ name: google_maps_flutter_android
 description: Android implementation of the google_maps_flutter plugin.
 repository: https://github.com/flutter/plugins/tree/main/packages/google_maps_flutter/google_maps_flutter_android
 issue_tracker: https://github.com/flutter/flutter/issues?q=is%3Aissue+is%3Aopen+label%3A%22p%3A+maps%22
-version: 2.4.3
+version: 2.4.4
 
 environment:
   sdk: ">=2.14.0 <3.0.0"