在Google MapView上動畫標記

Question

我正在研究在Google MapView上顯示多個標記的Android應用程序。一切都很完美，但我希望標記在地圖上出現時具有動畫。

Here's an example在iPhone上類似的東西。見1'20" 。

這是我如何將它們添加到我的MapView。

for(int i=0; i<myMarkerList.length(); i++){ 
GeoPoint x = new GeoPoint(
       (int)(lat*1E6), 
        (int)(lng*1E6)); 

     oItem = new OverlayItem(x, title, String.valueOf(nb_marker)); 
     pin.setAlpha(255); 
     oItem.setMarker(pin);   

     if (oItem != null)    
      mapOverlay.addOverlay(oItem); // add the overlay item to the overlay    
     }    
     mapOverlays.add(mapOverlay); // add the overlay to the list of overlays 
     mapView.invalidate(); // update the map shown 

這是在iPhone上這麼漂亮，而且必須有人已經做了類似的事情在Android上，但我似乎無法找到任何有用的信息

編輯：好了，所以我偵察我要麼必須重寫，這將是長期的抽籤方法並不算漂亮，或者乾脆放棄使用OverlayItems

謝謝您的時間。

個

最好的問候，

湯姆

Answer 1

所以我得到它使用一個簡單的ArrayList的ImageViews和動畫對他們，沒有MapOverlay。

Answer 2

可以使用this tutorial一個參考，它使用了動畫，所以我覺得適合你的解決方案。從教程

代碼：

//Reference to our MapView 
MapView mapView = (MapView) activity.findViewById(R.id.mapview); 

//Get a LayoutInflater and load up the view we want to display. 
//The false in inflater.inflate prevents the bubble View being added to the MapView straight away 
LayoutInflater inflater = activity.getLayoutInflater(); 
LinearLayout bubble = (LinearLayout) inflater.inflate(R.layout.bubble, mapView, false); 

//Set up the bubble's close button 
ImageButton bubbleClose = (ImageButton) bubble.findViewById(R.id.bubbleclose); 
bubbleClose.setOnClickListener(new View.OnClickListener() { 
    public void onClick(View v) { 
     Animation fadeOut = AnimationUtils.loadAnimation(ResultsMapResultsDisplayer.this.activity, R.anim.fadeout); 
     bubble.startAnimation(fadeOut); 
     bubble.setVisibility(View.GONE); 
    } 
}); 

---

private void displaySearchResultBubble(final SearchResult result) { 
    //Hide the bubble if it's already showing for another result 
    map.removeView(bubble); 
    bubble.setVisibility(View.GONE); 

    //Set some view content 
    TextView venueName = (TextView) bubble.findViewById(R.id.venuename); 
    venueName.setText(result.getName()); 

    //This is the important bit - set up a LayoutParams object for positioning of the bubble. 
    //This will keep the bubble floating over the GeoPoint result.getPoint() as you move the MapView around, 
    //but you can also keep the view in the same place on the map using a different LayoutParams constructor 
    MapView.LayoutParams params = new MapView.LayoutParams(
     LayoutParams.WRAP_CONTENT, LayoutParams.WRAP_CONTENT, 
     result.getPoint(), MapView.LayoutParams.BOTTOM_CENTER); 

    bubble.setLayoutParams(params); 

    map.addView(bubble); 
    //Measure the bubble so it can be placed on the map 
    map.measure(MeasureSpec.makeMeasureSpec(0, MeasureSpec.UNSPECIFIED), MeasureSpec.makeMeasureSpec(0, MeasureSpec.UNSPECIFIED)); 

    //Runnable to fade the bubble in when we've finished animatingTo our OverlayItem (below) 
    Runnable r = new Runnable() { 
     public void run() { 
      Animation fadeIn = AnimationUtils.loadAnimation(activity, R.anim.fadein); 
      bubble.setVisibility(View.VISIBLE); 
      bubble.startAnimation(fadeIn); 
     } 
    }; 

    //This projection and offset finds us a new GeoPoint slightly below the actual OverlayItem, 
    //which means the bubble will end up being centered nicely when we tap on an Item. 
    Projection projection = map.getProjection(); 
    Point p = new Point(); 

    projection.toPixels(result.getPoint(), p); 
    p.offset(0, -(bubble.getMeasuredHeight()/2)); 
    GeoPoint target = projection.fromPixels(p.x, p.y); 

    //Move the MapView to our point, and then call the Runnable that fades in the bubble. 
    mapController.animateTo(target, r); 
} 

Answer 3

我看過你的示例應用程序。從這我認爲你只需要在你的標記發光，對吧？如果是，那麼它可能通過風格和它的輝光屬性也。