Android創建文件夾

//創建路徑，其中getExternalStorageDirectory用來獲取SD卡根目錄

private String Path_file = Environment.getExternalStorageDirectory() + "/myrecord";

//創建文件，後邊一句一定不要扔

File destDir = new File(Path_file);
if (!destDir.exists()) {
    destDir.mkdirs();
}