public void InitOverlay()
{
/**
* 创建自定义overlay
*/
mOverlay = new MyOverlay(this, Resources.GetDrawable(Resource.Drawable.icon_marka), mMapView);
/**
* 准备overlay 数据
*/
GeoPoint p1 = new GeoPoint((int)(mLat1 * 1E6), (int)(mLon1 * 1E6));
OverlayItem item1 = new OverlayItem(p1, "覆盖物1", "");
/**
* 设置overlay图标，如不设置，则使用创建ItemizedOverlay时的默认图标.
*/
item1.Marker = Resources.GetDrawable(Resource.Drawable.icon_marka);
GeoPoint p2 = new GeoPoint((int)(mLat2 * 1E6), (int)(mLon2 * 1E6));
OverlayItem item2 = new OverlayItem(p2, "覆盖物2", "");
item2.Marker = Resources.GetDrawable(Resource.Drawable.icon_markb);
GeoPoint p3 = new GeoPoint((int)(mLat3 * 1E6), (int)(mLon3 * 1E6));
OverlayItem item3 = new OverlayItem(p3, "覆盖物3", "");
item3.Marker = Resources.GetDrawable(Resource.Drawable.icon_markc);
GeoPoint p4 = new GeoPoint((int)(mLat4 * 1E6), (int)(mLon4 * 1E6));
OverlayItem item4 = new OverlayItem(p4, "覆盖物4", "");
item4.Marker = Resources.GetDrawable(Resource.Drawable.icon_gcoding);
/**
* 将item 添加到overlay中
* 注意： 同一个itme只能add一次
*/
mOverlay.AddItem(item1);
mOverlay.AddItem(item2);
mOverlay.AddItem(item3);
mOverlay.AddItem(item4);
/**
* 保存所有item，以便overlay在reset后重新添加
*/
mItems = new List<OverlayItem>();
mItems.AddRange(mOverlay.AllItem);
// 初始化 ground 图层
mGroundOverlay = new GroundOverlay(mMapView);
GeoPoint leftBottom = new GeoPoint((int)(mLat5 * 1E6),
(int)(mLon5 * 1E6));
GeoPoint rightTop = new GeoPoint((int)(mLat6 * 1E6),
(int)(mLon6 * 1E6));
Drawable d = Resources.GetDrawable(Resource.Drawable.ground_overlay);
Bitmap bitmap = ((BitmapDrawable)d).Bitmap;
mGround = new Ground(bitmap, leftBottom, rightTop);
/**
* 将overlay 添加至MapView中
*/
mMapView.Overlays.Add(mOverlay);
mMapView.Overlays.Add(mGroundOverlay);
mGroundOverlay.AddGround(mGround);
/**
* 刷新地图
*/
mMapView.Refresh();
mResetBtn.Enabled = false;
mClearBtn.Enabled = true;
/**
* 向地图添加自定义View.
*/
viewCache = LayoutInflater.Inflate(Resource.Layout.custom_text_view, null);
popupInfo = viewCache.FindViewById<View>(Resource.Id.popinfo);
popupLeft = viewCache.FindViewById<View>(Resource.Id.popleft);
popupRight = viewCache.FindViewById<View>(Resource.Id.popright);
popupText = viewCache.FindViewById<TextView>(Resource.Id.textcache);
button = new Button(this);
button.SetBackgroundResource(Resource.Drawable.popup);
/**
* 创建一个popupoverlay
*/
IPopupClickListener popListener = new IPopupClickListenerImpl(this);
pop = new PopupOverlay(mMapView, popListener);
}
/**
* 创建弹出泡泡图层
*/
public void CreatePaopao()
{
////泡泡点击响应回调
IPopupClickListener popListener = new IPopupClickListenerImpl();
pop = new PopupOverlay(mMapView, popListener);
}