如何在下载目录中创建文件夹(Android Studio) [英] How to create a folder in Download directory (Android Studio)

问题描述

我想在下载目录(存储我从网上下载的所有文件的那个目录)中创建一个目录，以便在将手机插入我的 PC 后我可以在浏览器中看到它.

I'd like to create a directory in a Download directory (the one which stores all the files I download from web) so I can see it in browser after I plug the mobile into my PC.

File myDirectory = new File(dir, "NewDirectory");

dir 的值应该是多少?

What should be the value of dir?

推荐答案

File dir = new File(Environment.getExternalStorageDirectory() + "/Download/your folder/");
dir.mkdirs(); // creates needed dirs

不要忘记在 Marshmallow 或更新版本上请求权限，并将写入存储权限添加到 Android Manifest，例如:https://stackoverflow.com/a/34722591/4479004

Don't forget to ask for permissions on Marshmallow or newer and to add the write storage permission to Android Manifest, for example: https://stackoverflow.com/a/34722591/4479004

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