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?Android??????????????????????????????????????????????????????????????????

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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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