从列表视图sd卡显示特定文件夹中的视频 [英] display videos from specific folder from sd card in listview

问题描述

我试图来填充视频文件列表视图从SD卡上创建一个文件夹。我使用

i am trying to populate listview with video files from a folder created on sd card. I am using

managedQuery(MediaStore.Video.Media.EXTERNAL_CONTENT_URI,mystring, null, null, null);

但它填充保存在SD卡的所有视频，但我想只有那些被保存在指定文件夹的视频。我也用

But it populates all videos saved in sdcard, but i want only those videos which are saved in specific folder. I have also used

Uri uri = Uri.fromFile(filepath);
cursor = managedQuery(uri, mystring , null , null , null); 

和

Uri uri = Uri.parse(filepath);
cursor = managedQuery(uri, mystring , null , null , null);

但它不工作。我曾尝试很多东西，从谷歌得到的帮助仍然没有succeded。
有没有什么办法让该文件夹的路径？或任何其他方式？

But it doesn't work. I have tried lot and got help from google still not succeded. Is there any way to give path of that folder? or any other way?

推荐答案

您可以使用此code为获得特定文件夹的影片为：

you can use this code for get videos from specific folder as:

String selection=MediaStore.Video.Media.DATA +" like?";
        String[] selectionArgs=new String[]{"%FolderName%"};
        videocursor = managedQuery(MediaStore.Video.Media.EXTERNAL_CONTENT_URI,
                parameters, selection, selectionArgs, MediaStore.Video.Media.DATE_TAKEN + " DESC");

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