Android: Prevention backup file after download -


i use code download , save sdcard download folder 

uri download_uri = uri.parse(link); downloadmanager.request request = new downloadmanager.request(download_uri); request.setallowedoverroaming(false); request.setmimetype(exe); string pathtoexternalstorage = environment.getexternalstoragepublicdirectory(environment.directory_downloads).getabsolutepath(); request.setdestinationuri(uri.fromfile(new file(pathtoexternalstorage + "file.mp3"))); downloadmanager.enqueue(request);

after download completed , create backup file in audio folder

how prevention action?

note : if delete file download folder , remains audio folder


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