createSupportDir static method
在iOS NSApplicationSupportDirectory 的路径下创建文件夹 dirName 文件夹名 支持iOS 不支持Android
Implementation
static Future<Directory?> createSupportDir(String? dirName) async {
if (dirName == null || dirName.isEmpty) {
return null;
}
Directory? _supportDir = await _initSupportDir();
if (_supportDir == null) {
return null;
}
return await createDirSync("${_supportDir.path}/$dirName");
}