How To Receive Status Of Download Manager Intent Until Download Success Or Failed

Here's my problem. I'm trying to download file from my server using download manager intent via Asynctask. in my doInBackground of asynctask class, i was call download manager inte

Solution 1:

There's no need for the AsyncTask or the synchronous query. DownloadManager is already asynchronous. You should register a BroadcastReceiver for ACTION_DOWNLOAD_COMPLETE so that you get notified when the download completes (or fails).

There's a very good example at http://blog.vogella.com/2011/06/14/android-downloadmanager-example

Solution 2:

You have to requery the download manager. The cursor stays the same even if the data changes. Try like this:

protected Boolean doInBackground(String... f_url) {
    booleanflag=true;
    booleandownloading=true;
    try{
        DownloadManagermManager= (DownloadManager) getSystemService(Context.DOWNLOAD_SERVICE);            
        RequestmRqRequest=newRequest(
        Uri.parse("http://"+model.getDownloadURL()));
        long idDownLoad=mManager.enqueue(mRqRequest);
        DownloadManager.Queryquery=null;
        query = newDownloadManager.Query();
        Cursorc=null;
        if(query!=null) {
            query.setFilterByStatus(DownloadManager.STATUS_FAILED|DownloadManager.STATUS_PAUSED|DownloadManager.STATUS_SUCCESSFUL|DownloadManager.STATUS_RUNNING|DownloadManager.STATUS_PENDING);                                         
        } else {
            return flag;
        }

        while (downloading) {
            c = mManager.query(query);
            if(c.moveToFirst()) { 
                Log.i ("FLAG","Downloading");
                intstatus=c.getInt(c.getColumnIndex(DownloadManager.COLUMN_STATUS)); 

                if (status==DownloadManager.STATUS_SUCCESSFUL) {
                    Log.i ("FLAG","done");
                    downloading = false;
                    flag=true;
                    break;      
                }
                if (status==DownloadManager.STATUS_FAILED) {
                    Log.i ("FLAG","Fail");
                    downloading = false;
                    flag=false;
                    break;
                }
            }
        }

        return flag;
    }catch (Exception e) {
        flag = false;
        return flag;
    }    
}

Solution 3:

Download Manager download files in asynchronous manner. So no need to put download manager inside an Asyntask.

You can use Receiver for get the status of download manager if download complete.

publicclassCheckDownloadCompleteextendsBroadcastReceiver{

    @OverridepublicvoidonReceive(Context context, Intent intent) {
        // TODO Auto-generated method stubStringaction= intent.getAction();
            if (action.equals(DownloadManager.ACTION_DOWNLOAD_COMPLETE)) 
            {
                DownloadManager.Queryquery=newDownloadManager.Query();
                query.setFilterById(intent.getLongExtra(DownloadManager.EXTRA_DOWNLOAD_ID, 0));
                DownloadManagermanager= (DownloadManager) context.getSystemService(Context.DOWNLOAD_SERVICE);
                Cursorcursor= manager.query(query);
                if (cursor.moveToFirst()) {
                    if (cursor.getCount() > 0) {

                        intstatus= cursor.getInt(cursor.getColumnIndex(DownloadManager.COLUMN_STATUS));
                        Longdownload_id= intent.getLongExtra(DownloadManager.EXTRA_DOWNLOAD_ID,0);

                        // status contain Download Status// download_id contain current download reference idif (status == DownloadManager.STATUS_SUCCESSFUL)
                        {
                            Stringfile= cursor.getString(cursor.getColumnIndex(DownloadManager.COLUMN_LOCAL_FILENAME));

                            //file contains downloaded file name// do your stuff here on download success

                        } 
                    }
                }
                cursor.close();
            }   
    }
}

Dont forget to add your receiver in Manifest

<receiverandroid:name=".CheckDownloadComplete"android:enabled="true"android:exported="true" ><intent-filter><actionandroid:name="android.intent.action.DOWNLOAD_COMPLETE" /></intent-filter></receiver>