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????????????StorageManager????????????????????????????????????????????????????

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public static List
   
     listAllStorage(Context context) {    List
    
      storages = new ArrayList<>();    StorageManager storageManager = (StorageManager) context.getSystemService(Context.STORAGE_SERVICE);    try {        Method getVolumeList = StorageManager.class.getMethod("getVolumeList", new Class[0]);        Object[] invokes = (Object[]) getVolumeList.invoke(storageManager, new Object[0]);        for (int i = 0; i < invokes.length; i++) {            Object obj = invokes[i];            Method getPath = obj.getClass().getMethod("getPath", new Class[0]);            String path = (String) getPath.invoke(obj, new Object[0]);            StorageInfo info = new StorageInfo(path);            info.state = (String) getVolumeState.invoke(storageManager, path);            info.isRemoveable = ((Boolean) obj.getClass().getMethod("isRemovable", new Class[0]).invoke(obj, new Object[0])).booleanValue();            if (info.state.equals(CommonUtil.MOUNTED)) {                storages.add(info);            }        }    } catch (Exception e) {        e.printStackTrace();    }    storages.trimToSize();    return storages;}
    
   

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????????getVolumePaths??

??????????StorageManager?getVolumePaths?????????????????????????????????????????????????

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public static String[] getAllSdPaths(Context context) {    String[] paths = null;    StorageManager mStorageManager = (StorageManager) context.getSystemService(Context.STORAGE_SERVICE);    try {        Method mMethodGetPaths = mStorageManager.getClass().getMethod("getVolumePaths");        paths = (String[]) mMethodGetPaths.invoke(mStorageManager);    } catch (Exception e) {        e.printStackTrace();    }    return paths;}

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