android 拷贝sqlite数据库到本地sd卡的方法

	/**	 * 拷贝数据库到sd卡	 * 	 * @deprecated <uses-permission android:name="android.permission.WRITE_EXTERNAL_STORAGE"/>	 */	public static void copyDataBaseToSD(){		 if (!Environment.MEDIA_MOUNTED.equals(Environment.getExternalStorageState())) {       return ;     }		 File dbFile = new File(MvpApplication.getApplication().getDatabasePath("dandy")+".db");		 File file = new File(Environment.getExternalStorageDirectory(), "seeker.db");		 		 FileChannel inChannel = null,outChannel = null;		 		 try {			file.createNewFile();			inChannel = new FileInputStream(dbFile).getChannel();			outChannel = new FileOutputStream(file).getChannel();			inChannel.transferTo(0, inChannel.size(), outChannel);		} catch (Exception e) {			LogUtils.e(TAG, "copy dataBase to SD error.");			e.printStackTrace();		}finally{			try {				if (inChannel != null) {					inChannel.close();					inChannel = null;				}				if(outChannel != null){					outChannel.close();					outChannel = null;				}			} catch (IOException e) {				LogUtils.e(TAG, "file close error.");				e.printStackTrace();			}		}	}