/**
* 把一个View的对象转换成bitmap
*/
private Bitmap getViewBitmap(MapView v) {
v.clearFocus();
v.setPressed(false);
//能画缓存就返回false
boolean willNotCache = v.willNotCacheDrawing();
v.setWillNotCacheDrawing(false);
int color = v.getDrawingCacheBackgroundColor();
v.setDrawingCacheBackgroundColor(0);
if (color != 0) {
v.destroyDrawingCache();
}
v.buildDrawingCache();
Bitmap cacheBitmap = null;
while(cacheBitmap == null){
cacheBitmap = v.getDrawingMapCache(0, 0, v.getWidth(), v.getHeight());
}
Bitmap bitmap = Bitmap.createBitmap(cacheBitmap);
// Restore the view
v.destroyDrawingCache();
v.setWillNotCacheDrawing(willNotCache);
v.setDrawingCacheBackgroundColor(color);
return bitmap;
}
public void saveMyBitmap(String bitName,Bitmap mBitmap){
String FileName=this.getInnerSDCardPath() + "/" + bitName + ".png";
ShowMessage(FileName);
File f = new File(FileName);
try {
f.createNewFile();
} catch (IOException e) {
// TODO Auto-generated catch block
Log.e("在保存"+FileName+"图片时出错：" + e.toString(),"在保存"+FileName+"图片时出错：" + e.toString());
}
FileOutputStream fOut = null;
try {
fOut = new FileOutputStream(f);
} catch (FileNotFoundException e) {
e.printStackTrace();
}
mBitmap.compress(Bitmap.CompressFormat.PNG, 100, fOut);
try {
fOut.flush();
} catch (IOException e) {
e.printStackTrace();
}
try {
fOut.close();
} catch (IOException e) {
e.printStackTrace();
}
}
//缩小
private class ButtonNexitClickListener implements View.OnClickListener {
public void onClick(View v) {
//ShowMessage("ok1");
Bitmap bitmap=getViewBitmap(mapView);
//ShowMessage("ok2");
saveMyBitmap("yl",bitmap);
//ShowMessage("ok3");
bitmap.recycle();
ShowMessage("保存成功");
}
}