android - Opening files downloaded by DownloadManager causes "The document path is not valid" error -


i'm trying open pdf file downloaded downloadmanager time time i'm getting "the document path not valid" on samsung galaxy s3 android 4.1.2

intent:

intent openintent = new intent(intent.action_view); openintent.setdataandtype(downloadmanager.geturifordownloadedfile(lastdownloadid), "application/pdf"); startactivity(openintent);

permissions:

<uses-permission android:name="android.permission.write_external_storage" />

downloadmanager:

environment.getexternalstoragepublicdirectory(environment.directory_downloads).mkdirs();   downloadmanager downloadmanager = (downloadmanager) getsystemservice(context.download_service);  long lastdownloadid = downloadmanager.enqueue(new downloadmanager.request(uri)     .setallowednetworktypes(downloadmanager.request.network_wifi | downloadmanager.request.network_mobile)     .setallowedoverroaming(false)     .settitle(title)     .setdescription(description)     .setdestinationinexternalpublicdir(environment.directory_downloads, "myfile.pdf"));

what doing wrong?

edit: time i'm getting this:

column_id: 108  column_bytes_downloaded_so_far: 33085 column_last_modified_timestamp: 1397152425941  column_local_uri: null column_status: 16 column_reason: 1008

why?

a status of 16 status_failed, meaning download failed. reason of 1008 error_cannot_resume, , have no idea means in real world. but, file not downloaded, , hence have no uri.


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