Android Open Source - Mapyst View Item Overlay

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License

The source code is released under:

Apache License

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Java Source Code

/*
 * Copyright (C) 2013 Mapyst/*from w  w w  . ja  v a2s  .  c  o  m*/
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 * http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

package com.mapyst.android.ui.map;

import java.util.ArrayList;

import android.os.Handler;
import android.view.View;

import com.google.android.maps.GeoPoint;
import com.google.android.maps.MapView;
import com.google.android.maps.Overlay;

public class ViewItemOverlay extends Overlay {

  private ArrayList<View> viewItems;

  private MapView map;

  private Handler handler;

  public ViewItemOverlay(MapView map) {
    viewItems = new ArrayList<View>();
    this.map = map;
    handler = new Handler();
  }

  public void addView(final View view, GeoPoint point, int gravity) {
    final MapView.LayoutParams params = new MapView.LayoutParams(
        MapView.LayoutParams.WRAP_CONTENT, MapView.LayoutParams.WRAP_CONTENT, point, gravity);
    viewItems.add(view);
    handler.post(new Runnable() {
      public void run() {
        map.addView(view, params);
      }
    });
    map.postInvalidate();
  }

  public void removeView(View view, boolean refresh) {
    int i = -1;
    if ((i = viewItems.indexOf(i)) != -1) {
      removeView(i, refresh);
    }
    if (refresh)
      map.postInvalidate();
  }

  public void removeView(final int i, boolean refresh) {
    final View v = viewItems.get(i);
    handler.post(new Runnable() {
      public void run() {
        map.removeView(v);
      }
    });
    viewItems.remove(i);
    if (refresh)
      map.postInvalidate();
  }

  public void clearViews() {
    while (viewItems.size() > 0)
      removeView(0, false);
    map.postInvalidate();
  }

  public int size() {
    return viewItems.size();
  }
}

Java Source Code List