存储卡路径（接口路径）

public List Getpaths(){
List<String> paths = new ArrayList<String>();
 StorageManager storageManager =(StorageManager) getSystemService(Context.STORAGE_SERVICE); 

    try { 
        Class<?>[] paramClasses ={}; 

        Method getVolumePathsMethod =StorageManager.class.getMethod("getVolumePaths", paramClasses); 

       getVolumePathsMethod.setAccessible(true); 

        Object[] params = {}; 

        Object invoke =getVolumePathsMethod.invoke(storageManager, params); 

        for (int i = 0; i <((String[])invoke).length; i++) { 

           
  paths.add(((String[])invoke)[i]); 
        } 
    } catch (Exception e1) { 

        e1.printStackTrace(); 

    } 
return paths;
}