DownlaodManager

DownlaodManger

Context.getSystemService(Context.Download_Service);

DownloadManger BrodcastReceiver

new IntentFilter(DownloadManager.ACTION_DOWNLOAD_COMPLETE);\ long id = intent.getLongExtra(DownloadManager.EXTRA_DOWNLOAD_ID, -1);

DownloadManger ContentResolver

getContentResolver().registerContentObserver(Uri.parse("content://downloads/my_downloads".concat(File.separator).concat(String.valueOf(mDid))),false,new ContentObserver();

DownloadManager Query

DownloadManager.getUri~(id);//获取文件Uri

Cursor c = DownloadManger.query();