Android 两种方获取U盘的挂载路径

Android 两种方获取U盘的挂载路径
第一种

public String getUsbPath() {
   
    
    
        try {
   
    
    
            StorageManager sm = (StorageManager) MyApplication.getContext().getSystemService(STORAGE_SERVICE);
            Method getVolumePathsMethod = StorageManager.class.getMethod("getVolumePaths",null