/**  * 6.0獲取外置sdcard和U盤路徑，并區分  * @param mContext  * @param keyword SD = "內部存儲"; EXT = "SD卡"; USB = "U盤"  * @return  */ public static String getStoragePath(Context mContext,String keyword) {  String targetpath = "";  StorageManager mStorageManager = (StorageManager) mContext    .getSystemService(Context.STORAGE_SERVICE);  Class<?> storageVolumeClazz = null;  try {   storageVolumeClazz = Class.forName("android.os.storage.StorageVolume");      Method getVolumeList = mStorageManager.getClass().getMethod("getVolumeList");      Method getPath = storageVolumeClazz.getMethod("getPath");        Object result = getVolumeList.invoke(mStorageManager);      final int length = Array.getLength(result);      Method getUserLabel = storageVolumeClazz.getMethod("getUserLabel");         for (int i = 0; i < length; i++) {        Object storageVolumeElement = Array.get(result, i);        String userLabel = (String) getUserLabel.invoke(storageVolumeElement);        String path = (String) getPath.invoke(storageVolumeElement);        if(userLabel.contains(keyword)){     targetpath = path;    }   }  } catch (ClassNotFoundException e) {   e.printStackTrace();  } catch (InvocationTargetException e) {   e.printStackTrace();  } catch (NoSuchMethodException e) {   e.printStackTrace();  } catch (IllegalAccessException e) {   e.printStackTrace();  }  return targetpath ; }