获取android的所有挂载路径（转）

方法一：

public static List<StorageInfo> listAllStorage(Context context) {
        ArrayList<StorageInfo> storages = new ArrayList<StorageInfo>();
        StorageManager storageManager = (StorageManager) context.getSystemService(Context.STORAGE_SERVICE);
        try {
            Class<?>[] paramClasses = {};
            Method getVolumeList = StorageManager.class.getMethod("getVolumeList", paramClasses);
            Object[] params = {};
            Object[] invokes = (Object[]) getVolumeList.invoke(storageManager, params);

            if (invokes != null) {
                StorageInfo info = null;
                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]);
                    info = new StorageInfo(path);

                    Method getVolumeState = StorageManager.class.getMethod("getVolumeState", String.class);
                    String state = (String) getVolumeState.invoke(storageManager, info.path);
                    info.state = state;

                    Method isRemovable = obj.getClass().getMethod("isRemovable", new Class[0]);
                    info.isRemoveable = ((Boolean) isRemovable.invoke(obj, new Object[0])).booleanValue();
                    if (info.state.equals(CommonUtil.MOUNTED)) {
                        storages.add(info);
                    }
                }
            }
        } catch (Exception e) {
            e.printStackTrace();
        }
        storages.trimToSize();
        return storages;
    }

public class StorageInfo {
    public String path;
    public String state;
    public boolean isRemoveable;
    public StorageInfo(String path) {
        this.path = path;
    }
    public boolean isMounted() {
        return "mounted".equals(state);
    }
    @Override
    public String toString() {
        return "StorageInfo [path=" + path + ", state=" + state
                + ", isRemoveable=" + isRemoveable + "]";
    }
}

方法二：

 /**
            * 得到所有的存储路径（内部存储+外部存储）
        *
        * @param context
    * @return
            */
    public static String[] getAllSdPaths(Context context) {
        Method mMethodGetPaths = null;
        String[] paths = null;
        //通过调用类的实例mStorageManager的getClass()获取StorageManager类对应的Class对象
        //getMethod("getVolumePaths")返回StorageManager类对应的Class对象的getVolumePaths方法，这里不带参数
        StorageManager mStorageManager = (StorageManager)context
                .getSystemService(context.STORAGE_SERVICE);//storage
        try {
            mMethodGetPaths = mStorageManager.getClass().getMethod("getVolumePaths");
            paths = (String[]) mMethodGetPaths.invoke(mStorageManager);
        } catch (Exception e) {
            // TODO Auto-generated catch block
            e.printStackTrace();
        }
        return paths;
    }