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private void downloadListener(final DownloadManager downloadManager,final long id,final String path) { //Send intent action when mission successed/failed. Thread StatusSender=new Thread(new Runnable() { @Override public void run() { synchronized (this) { Cursor cursor=null; DownloadManager.Query query=new DownloadManager.Query(); query.setFilterById(id); boolean downloading=true; while(downloading) { try{ Thread.sleep(3000); cursor=downloadManager.query(query); if(cursor!=null&&cursor.moveToFirst()) { Intent intent=new Intent(); int state=cursor.getInt(cursor.getColumnIndex(DownloadManager.COLUMN_STATUS)); switch(state) { case DownloadManager.STATUS_SUCCESSFUL: intent.setAction(String.valueOf(id)+" download Successed."); sendBroadcast(intent); downloading=false; break; case DownloadManager.STATUS_FAILED: downloadManager.remove(id); downloading=false; intent.setAction(String.valueOf(id)+" download Fail."); sendBroadcast(intent); break; case DownloadManager.STATUS_PAUSED: case DownloadManager.STATUS_PENDING: case DownloadManager.STATUS_RUNNING: break; } } }catch (Exception e) { e.printStackTrace(); } finally { cursor.close(); } } } } }); StatusSender.start(); //Listen intent action IntentFilter DLListener=new IntentFilter(); DLListener.addAction(String.valueOf(id)+" download Successed."); DLListener.addAction(String.valueOf(id)+" download Fail."); DL=new BroadcastReceiver() { @Override public void onReceive(Context context, Intent intent) { if (intent.getAction().equals(String.valueOf(id)+" download Successed.")) { //Install Install(); latch.countDown(); } else if(intent.getAction().equals(String.valueOf(id)+" download Fail.")) { String Str; Str="[Download] Download "+String.valueOf(id)+" failed.\n" +"[Download] Remove "+String.valueOf(id)+".\n"; Log.i(TAG,Str); downloadManager.remove(id); String apk="apk"; String url="url"; //retry download doDownload(apk,path,url); } } }; registerReceiver(DL,DLListener); }