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[英]How to show all video thumbnails stored in a specific folder in sd card
[英]Display all the video from a specific folder in SD card in android
我在顯示SD卡文件夾中的所有視頻時遇到問題。 目前,我可以顯示SD卡中可以找到的所有視頻,但是我想做的是在SD卡中的“ PartyVideo”文件夾中顯示所有視頻。 您能幫我嗎?下面是我的代碼,可顯示SD卡中的所有視頻。
final String[] columns = { MediaStore.Video.Media.DATA, MediaStore.Video.Media._ID };
final String orderBy = MediaStore.Video.Media.DATE_TAKEN;
Cursor imagecursor = managedQuery(MediaStore.Video.Media.EXTERNAL_CONTENT_URI, columns, null,null, orderBy + " DESC");
int image_column_index = imagecursor.getColumnIndex(MediaStore.Video.Media._ID);
this.count = imagecursor.getCount();
this.thumbnails = new Bitmap[this.count];
this.arrPath = new String[this.count];
this.thumbnailsselection = new boolean[this.count];
for (int i = 0; i < this.count; i++)
{
imagecursor.moveToPosition(i);
int id = imagecursor.getInt(image_column_index);
int dataColumnIndex = imagecursor.getColumnIndex(MediaStore.Video.Media.DATA);
thumbnails[i] = MediaStore.Video.Thumbnails.getThumbnail(
getApplicationContext().getContentResolver(), id,
MediaStore.Video.Thumbnails.MICRO_KIND, null);
arrPath[i]= imagecursor.getString(dataColumnIndex);
}
GridView imagegrid = (GridView) findViewById(R.id.grid_GalleryImage);
imageAdapter = new ImageAdapter();
imagegrid.setAdapter(imageAdapter);
我嘗試了許多不同的代碼,並最終獲得了這一代碼。 下面的代碼將所有視頻都保存在我想要的文件夾中,但我不知道如何顯示它。
String[] fileList = null;
File videoFiles = new File(Environment.getExternalStorageDirectory()+"/PartyVideo");
if(videoFiles.isDirectory())
{
fileList=videoFiles.list();
}
for(int i=0;i<fileList.length;i++)
{
Log.e("Video:"+i+" File name",fileList[i]);
}
使用此文件瀏覽器庫瀏覽文件,並將視頻類型的過濾器放入以下代碼中
Intent intent = new Intent(getBaseContext(), FileDialog.class);
intent.putExtra(FileDialog.START_PATH, "/sdcard");
//can user select directories or not
intent.putExtra(FileDialog.CAN_SELECT_DIR, true);
//alternatively you can set file filter
intent.putExtra(FileDialog.FORMAT_FILTER, new String[] { "avi" });
startActivityForResult(intent, REQUEST_SAVE);
嘗試這個
Cursor videocursor = getActivity().getContentResolver().query(MediaStore.Video.Media.EXTERNAL_CONTENT_URI,
columns,
MediaStore.Video.Media.DATA + " like ? ",
new String[]{"%/" + Your folder name + "/%"},
null);
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