Android Open Source - pink-ponies Map Overlay

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Back to project page pink-ponies.

License

The source code is released under:

Software License Agreement (BSD License) Copyright (c) 2013, Pink Ponies Team All rights reserved. Redistribution and use in source and binary forms, with or without modification, are permitted prov...

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Java Source Code

/**
 * Copyright (c) 2013 Alexander Konovalov, Andrey Konovalov, Sergey Voronov, Vitaly Malyshev. All
 * rights reserved. Use of this source code is governed by a BSD-style license that can be found in
 * the LICENSE file.//from  www . j  a  v  a2  s.  com
 */

package ru.pinkponies.app;

import java.util.HashMap;
import java.util.Map;

import com.google.android.gms.maps.GoogleMap;
import com.google.android.gms.maps.model.BitmapDescriptor;
import com.google.android.gms.maps.model.Circle;
import com.google.android.gms.maps.model.CircleOptions;
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 android.graphics.Color;

/**
 * An overlay which displays arbitrary image markers on the map.
 */
public final class MapOverlay {
  private final GoogleMap map;

  private final Map<String, Marker> markers = new HashMap<String, Marker>();
  private final Map<String, Circle> circles = new HashMap<String, Circle>();

  public MapOverlay(final GoogleMap map) {
    this.map = map;
  }

  public synchronized void addMarker(final String name, final LatLng location, final BitmapDescriptor bitmapDescriptor) {
    if (this.markers.containsKey(name)) {
      this.removeMarker(name);
    }
    Marker marker = this.map.addMarker(new MarkerOptions().position(location).icon(bitmapDescriptor).title(name));
    this.markers.put(name, marker);
  }

  public synchronized void removeMarker(final String name) {
    Marker marker = this.markers.get(name);
    if (marker != null) {
      marker.remove();
      this.markers.remove(name);
    }
  }

  public synchronized void addCircle(final String name, final LatLng location, final double radius, final int color) {
    if (this.circles.containsKey(name)) {
      this.removeCircle(name);
    }
    Circle circle = this.map.addCircle(new CircleOptions().center(location).radius(radius).strokeWidth(2)
        .strokeColor(Color.BLACK).fillColor(color));
    this.circles.put(name, circle);
  }

  public synchronized void removeCircle(final String name) {
    Circle circle = this.circles.get(name);
    if (circle != null) {
      circle.remove();
      this.circles.remove(name);
    }
  }
}

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