如何選擇資料夾
===

The [**`ACTION_OPEN_DOCUMENT_TREE`**](https://developer.android.com/training/data-storage/shared/documents-files) intent action, available on Android 5.0 (API level 21) and higher, allows users to select a specific directory

- 主要的 intent request

 Intent intent = new Intent(Intent.ACTION_OPEN_DOCUMENT_TREE);

## Ref.
[Android Intent ACTION_OPEN_DOCUMENT_TREE](https://www.demo2s.com/android/android-intent-action-open-document-tree.html)
[android Q 使用 ACTION_OPEN_DOCUMENT_TREE 选择目录进行遍历文件夹下文件](https://blog.csdn.net/smallbabylong/article/details/105574848)

###### tags: `實作相關`