Android图片复制

public void saveImage2Phone(SlideShowImage image){
String imagePath;
if(Environment.getExternalStorageState().equals(Environment.MEDIA_MOUNTED)){
imagePath="/sdcard/mixin/image/";
Bitmap bitmap = ((BitmapDrawable)image.getDrawable()).getBitmap();
makeRootDirectory(imagePath);
String name=System.currentTimeMillis()+".jpg";
FileOutputStream fos=null;
File file=new File(imagePath+name);
try {
file.createNewFile();
fos=new FileOutputStream(file);
bitmap.compress(Bitmap.CompressFormat.JPEG, 100, fos);
Toast.makeText(mContext, "保存成功", 0).show();
//发送广播，更新保存的图片
sendBroadcast(new Intent(Intent.ACTION_MEDIA_MOUNTED, Uri.parse("file://sdcard/mixin/image/")));
sendBroadcast(new Intent(Intent.ACTION_MEDIA_SCANNER_SCAN_FILE,Uri.parse("file://"+imagePath+name)));
} catch (IOException e1) {
// TODO Auto-generated catch block
Toast.makeText(mContext, "保存失败", 0).show();
e1.printStackTrace();
}finally{
try {
fos.flush();
fos.close();
} catch (IOException e) {
// TODO Auto-generated catch block
Toast.makeText(mContext, "保存失败", 0).show();
e.printStackTrace();
}
}
}else{
Toast.makeText(mContext, "没有检测的存储卡", 0).show();
}

}
public void makeRootDirectory(String filePath) {
File file = null;
try {
file = new File(filePath);
if (!file.exists()) {
file.mkdir();
}
} catch (Exception e) {

}
}