Waiting Untill A Downloaded File Is Complete, Not Just File.exists()

I am downloading a file from the net and then reading it using a BufferedReader. Currently I download the file using DownloadManager then have this code : while (latestNumbersFile.

Solution 1:

From Android developers when download completes, DownloadManager broadcasts an intent. You can capture this "event" and handle it like:

BroadcastReceiverreceiver=newBroadcastReceiver() {
            @OverridepublicvoidonReceive(Context context, Intent intent) {
            Stringaction= intent.getAction();
            if (DownloadManager.ACTION_DOWNLOAD_COMPLETE.equals(action)) {


             /** Do your coding here **/       

            }
        }
    };

    registerReceiver(receiver, newIntentFilter(
            DownloadManager.ACTION_DOWNLOAD_COMPLETE));

Source from: Vogella

Please let me know if this helps you, if it doesn't we can try anything else :)

Solution 2:

Busy-waiting is not recomended. You'd better use DownloadManager.

From Download a file with Android, and showing the progress in a ProgressDialog :

Use DownloadManager class (GingerBread and newer only) This method is awesome, you do not have to worry about downloading the file manually, handle threads, streams, etc. GingerBread brought a new feature: DownloadManager which allows you to download files easily and delegate the hard work to the system.