Update DownloadService.java

link für bessere Datenverwaltung hinzugefügt

TTTCLient/src/tttclient/services/DownloadService.java

@@ -68,6 +68,7 @@ public class DownloadService extends IntentService {
 			Log.d("Donwload Service", "filelength: " + fileLength);
 
 			// download the file
+			// link for better file strorage https://www.grokkingandroid.com/how-to-correctly-store-app-specific-files-in-android/
 			File root = android.os.Environment.getExternalStorageDirectory();
 			dir = new File(root.getAbsolutePath() + "/ttt");
 			if (dir.exists() == false) {