Android开发中查看未root真机的app数据库

private void getDatabaseFiles(){
        //找到文件的路径  /data/data/包名/databases/数据库名称
        File dbFile = new File(Environment.getDataDirectory().getAbsolutePath()+"/data/"+getPackageName()+"/databases/app.db");
        FileInputStream fis = null;
        FileOutputStream fos = null;
        try {
            //文件复制到sd卡中
            fis = new FileInputStream(dbFile);
            fos = new FileOutputStream(Environment.getExternalStorageDirectory().getAbsolutePath()+"/copy.db");
            int len = 0;
            byte[] buffer = new byte[2048];
            while(-1!=(len=fis.read(buffer))){
                fos.write(buffer, 0, len);
            }
            fos.flush();

        } catch (Exception e) {
            e.printStackTrace();
        }finally {
            //关闭数据流
            try {
                if (fos != null) fos.close();
                if (fis != null) fis.close();
            } catch (IOException e) {
                e.printStackTrace();
            }
        }
    }