Android Downloadmanager Open File After Download [better] 【Fast — MANUAL】

Always wrap startActivity with resolveActivity() check or a try-catch block. Users might not have a PDF reader or APK installer installed.

To open a file later, configure the DownloadManager.Request to make the file visible and scannable. android downloadmanager open file after download

@Override protected void onResume() super.onResume(); registerReceiver(onDownloadComplete, new IntentFilter(DownloadManager.ACTION_DOWNLOAD_COMPLETE)); @Override protected void onPause() super.onPause(); unregisterReceiver(onDownloadComplete); Use code with caution. Implementing the BroadcastReceiver Always wrap startActivity with resolveActivity() check or a

Depending on your target API levels and download destinations, declare these permissions: @Override protected void onPause() super.onPause()

Query the DownloadManager database using the download ID to retrieve the local file path and its MIME type.

Use code with caution. Troubleshooting Common Failures

If COLUMN_MEDIA_TYPE returns null, manually resolve it using MimeTypeMap.getSingleton().getMimeTypeFromExtension(...) via the file extension.