Java Request.setDestinationUri方法代码示例

import android.app.DownloadManager.Request; //导入方法依赖的package包/类
public void download(DownloadTask task) {
    //TODO better path
    DownloadManager downloadManager = (DownloadManager) UpodsApplication.getContext().getSystemService(Context.DOWNLOAD_SERVICE);
    Uri episodUri = Uri.parse(task.track.getAudeoUrl());
    String trackName = GlobalUtils.getCleanFileName(task.track.getTitle()) + ".mp3";
    String mediaItemName = GlobalUtils.getCleanFileName(task.mediaItem.getName());
    String finalPath = PODCASTS_DOWNLOAD_DIRECTORY + "/" + mediaItemName + "/" + trackName;
    finalPath = Environment.getExternalStorageDirectory() + finalPath;
    Request request = new Request(episodUri);
    request.setAllowedNetworkTypes(Request.NETWORK_MOBILE | Request.NETWORK_WIFI);
    request.setTitle(task.track.getTitle());
    request.setDescription(task.track.getSubTitle());
    request.setDestinationUri(Uri.fromFile(new File(finalPath)));
    task.downloadId = downloadManager.enqueue(request);
    task.filePath = finalPath;
    allTasks.add(task);
    Logger.printInfo(DM_LOG, "Starting download episod " + trackName + " to " + finalPath);
    runProgressUpdater();
}
 

import android.app.DownloadManager.Request; //导入方法依赖的package包/类
/**
 * 下载目标地址数据至SD卡默认目录
 *
 * @param context 当前环境
 * @param url     地址
 * @return 下载编号
 */
public static final long download(Context context, String url,
                                  String fileName) {
    DownloadManager downloadManager = getDownloadManager(context);
    if (downloadManager != null) {
        Uri uri = Uri.parse(url);
        File file = new File(Environment.getExternalStorageDirectory()
                .getPath() + File.separator + fileName);
        /*
* 判断文件是否存在，如果存在删除源文件
*/
        if (file.exists()) {
            file.delete();
        }
        Request request = new Request(uri);
        request.setTitle("正在下载……");
        request.setDestinationUri(Uri.parse(Uri.fromFile(
                Environment.getExternalStorageDirectory()).toString()
                + File.separator + fileName)); // 设置下载后文件存放的位置
        Toast.makeText(context, "开始下载更新包，请稍后……", Toast.LENGTH_LONG).show();
        return downloadManager.enqueue(request);
    }
    return 0;
}
 

import android.app.DownloadManager.Request; //导入方法依赖的package包/类
private void do_download() { 
	DownloadManager dm = (DownloadManager) getSystemService(DOWNLOAD_SERVICE);
	for(WikiDBFile wdbf : wiki.getDBFiles()) {
		Request request = new Request(
				Uri.parse(wdbf.getUrl()));
		String destinationPath = new File(
				new File(storage,getString(R.string.DBDir)),
				wdbf.getFilename()).getAbsolutePath();
		request.setDestinationUri(Uri.parse("file://"+destinationPath));
		request.setTitle(wdbf.getFilename());
		dm.enqueue(request);
	}
	downloadbutton.setVisibility(View.GONE);
	stopdownloadbutton.setVisibility(View.VISIBLE);

}
 

import android.app.DownloadManager.Request; //导入方法依赖的package包/类
private void tempDownloadToSdcard(Request request) {
	videoUri = Uri.parse(dir_Downloads.toURI() + composedVideoFilename);
    Utils.logger("d", "** NEW ** videoUri: " + videoUri, DEBUG_TAG);
    request.setDestinationUri(videoUri);
    try {
    	enqueue = dm.enqueue(request);
    } catch (IllegalArgumentException e) {
 	Log.e(DEBUG_TAG, "tempDownloadToSdcard: " + e.getMessage());
 	BugSenseHandler.sendExceptionMessage(DEBUG_TAG + "-> tempDownloadToSdcard", e.getMessage(), e);
 } catch (NullPointerException ne) {
 	Log.e(DEBUG_TAG, "callDownloadApk: " + ne.getMessage());
 	BugSenseHandler.sendExceptionMessage(DEBUG_TAG + "-> tempDownloadToSdcard: ", ne.getMessage(), ne);
 	Toast.makeText(this, getString(R.string.error), Toast.LENGTH_LONG).show();
 }catch (SecurityException se) {
 	Log.e(DEBUG_TAG, "callDownloadApk: " + se.getMessage());
 	BugSenseHandler.sendExceptionMessage(DEBUG_TAG + "-> tempDownloadToSdcard: ", se.getMessage(), se);
 	Toast.makeText(this, getString(R.string.error), Toast.LENGTH_LONG).show();
 }
}
 

import android.app.DownloadManager.Request; //导入方法依赖的package包/类
@Override
public synchronized long addDownload(File destFolder, String url, boolean wifiOnly, String title) {
    long dmid = -1;

    //Need to check first if the download manager service is enabled
    if(!isDownloadManagerEnabled())
        return dmid;

    // skip if URL is not valid
    if(url == null) {
        // URL is null
        return dmid;
    }
    url = url.trim();
    if (url.length() == 0) {
        // URL is empty
        return dmid;
    }

    logger.debug("Starting download: " + url);

    Uri target = Uri.fromFile(new File(destFolder, Sha1Util.SHA1(url)));
    Request request = new Request(Uri.parse(url));
    request.setDestinationUri(target);
    request.setTitle(title);

    if (wifiOnly) {
        request.setAllowedNetworkTypes(Request.NETWORK_WIFI);
    } else {
        request.setAllowedNetworkTypes(Request.NETWORK_WIFI | Request.NETWORK_MOBILE);
    }

    dmid = dm.enqueue(request);

    return dmid;
}