从Android的地图快照 [英] Snapshot from the map in android

问题描述

我要调用的意图或从mapview.Can任何人能帮助我。我很没有得到快照，使从地图上的特定位置的快照。

I want to make a snapshot of a particular location from the map by calling intent or from a mapview.Can anyone help me.I am not getting the snapshot.

推荐答案

尝试的这个后，我相信这应该帮助。它包括使绘图缓存并强制其使用该缓存。通常适用于所有的意见。应工作在图形页面藏汉

Try this post, I believe this should help. It involves enabling the drawing cache and forcing it use that cache. Usually works on all views. Should work on MapView aswell

从链接code

 private Bitmap getMapImage() {  
        /* Position map for output */  
        MapController mc = mapView.getController();  
        mc.setCenter(SOME_POINT);  
        mc.setZoom(16);  

        /* Capture drawing cache as bitmap */  
        mapView.setDrawingCacheEnabled(true);  
        Bitmap bmp = Bitmap.createBitmap(mapView.getDrawingCache());  
        mapView.setDrawingCacheEnabled(false);  

        return bmp;  
    }  

    private void saveMapImage() {  
        String filename = "foo.png";  
        File f = new File(getExternalFilesDir(null), filename);  
        FileOutputStream out = new FileOutputStream(f);  

        Bitmap bmp = getMapImage();  

        bmp.compress(Bitmap.CompressFormat.PNG, 100, out);  

        out.close();  
    }  

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