此處Android SDK OffscreenRenderer MapOverlay未顯示

Question

我使用Android Here SDK和OffscreenRenderer渲染地圖實例。

我想用MapOverlay繪製自定義氣泡視圖。對於地圖，通常呈現（與mapFragment內活動），我可以添加MapOverlay對象如何在手冊中描述：

Button button = new Button(this); 
button.setText("TEST"); 
myMap.addMapOverlay(new MapOverlay(button, destination)); 

對於mapFragment這個效果很好，但對OffscreenRenderer我沒有在地圖上看到按鈕。我嘗試了以上不同的視圖，誇張的佈局和簡單的按鈕代碼 - 所有這些似乎都適用於常規地圖，但不適用於OffscreenRenderer。此功能是否可在SDK中使用？我怎樣才能讓它出現？

更新： addMapOverlay返回true。 更新2：

推薦解決方案的工作代碼示例。我們需要從視圖（view-shot =）中截屏並從中創建MapMarker。

public MapMarker makeTargetSmallBubbleMarker(Route route, Address address) { 
    // obtain view 
    View v = inflater.inflate(R.layout.info_bubble_small, null); 

    // get the value.. 
    String destination = ""; 

    // inflate value into view sub fields 
    ((TextView) v.findViewById(R.id.destination)).setText(destination); 

    // if you use 9-patch bubble with donwside arrow for background of your marker 
    // you need to change anchor point of the marker, so that the arrow will point to location 
    // instead of bubble appears above the destination 

    // maybe someone knows a better solution..? Calculate rendered view size 
    v.measure(ViewGroup.LayoutParams.WRAP_CONTENT, ViewGroup.LayoutParams.WRAP_CONTENT); 
    int width = v.getMeasuredWidth(); 
    int height = v.getMeasuredHeight(); 
    // make view screen-shot 
    Image bubbleImg = new Image(); 
    bubbleImg.setBitmap(loadBitmapFromView(v, width, height)); 

    MapMarker bubble = new MapMarker(route.getDestination(), bubbleImg); 
    // here, I want my bubble arrow and whole marker get a 20% offset for down arrow 
    bubble.setAnchorPoint(new PointF(width/2f, height * 1.2f)); 

    return bubble; 
} 


private static Bitmap loadBitmapFromView(View v, int width, int height) { 
    Bitmap b = Bitmap.createBitmap(width , height, Bitmap.Config.ARGB_8888); 
    Canvas c = new Canvas(b); 
    //v.layout(0, 0, v.getLayoutParams().width, v.getLayoutParams().height); 
    v.layout(0, 0, width, height); 
    v.draw(c); 
    return b; 
} 

Answer 1

MapOverlays使用Android視圖，因此它們不通過屏幕外渲染器工作。

請在此情況下回退到常規MapMarkers。您可以將Android視圖充氣並渲染爲位圖，並將其用作標記的紋理。