android.app.DownloadManager#Request ( )源码实例Demo

下面列出了android.app.DownloadManager#Request ( ) 实例代码，或者点击链接到github查看源代码，也可以在右侧发表评论。

源代码1 项目： trekarta 文件： Index.java

private long requestDownload(int x, int y, boolean hillshade) {
    String ext = hillshade ? "mbtiles" : "mtiles";
    String fileName = String.format(Locale.ENGLISH, "%d-%d.%s", x, y, ext);
    Uri uri = new Uri.Builder()
            .scheme("https")
            .authority("trekarta.info")
            .appendPath(hillshade ? "hillshades" : "maps")
            .appendPath(String.valueOf(x))
            .appendPath(fileName)
            .build();
    DownloadManager.Request request = new DownloadManager.Request(uri);
    request.setTitle(mContext.getString(hillshade ? R.string.hillshadeTitle : R.string.mapTitle, x, y));
    request.setDescription(mContext.getString(R.string.app_name));
    File root = new File(mMapsDatabase.getPath()).getParentFile();
    File file = new File(root, fileName);
    if (file.exists()) {
        //noinspection ResultOfMethodCallIgnored
        file.delete();
    }
    request.setDestinationInExternalFilesDir(mContext, root.getName(), fileName);
    request.setVisibleInDownloadsUi(false);
    return mDownloadManager.enqueue(request);
}

源代码2 项目： scallop 文件： ImageViewerActivity.java

@OnClick(R.id.download_button)
public void downloadImage() {
    String imageUrl = imageUrlList.get(imageViewPager.getCurrentItem());
    String fileName = StringUtils.getImageNameFromUrl(imageUrl);
    String path = Environment.getExternalStoragePublicDirectory(Environment.DIRECTORY_PICTURES)
            .getAbsolutePath() + "/scallop";
    DownloadManager downloadManager = (DownloadManager) getSystemService(Context.DOWNLOAD_SERVICE);
    DownloadManager.Request request = new DownloadManager.Request(Uri.parse(imageUrl));
    request.setAllowedNetworkTypes(DownloadManager.Request.NETWORK_WIFI
            | DownloadManager.Request.NETWORK_MOBILE)
            .setAllowedOverRoaming(false)
            .setTitle(fileName)
            .setNotificationVisibility(
                    DownloadManager.Request.VISIBILITY_VISIBLE_NOTIFY_COMPLETED)
            .setDestinationInExternalPublicDir(path, fileName);
    downloadManager.enqueue(request);
}

源代码3 项目： DownloadManager 文件： DownloadService.java

/**
 * 下载最新APK
 */
private void downloadApk(String url) {
    downloadManager = (DownloadManager) getSystemService(DOWNLOAD_SERVICE);
    downloadObserver = new DownloadChangeObserver();

    registerContentObserver();

    DownloadManager.Request request = new DownloadManager.Request(Uri.parse(url));
    /**设置用于下载时的网络状态*/
    request.setAllowedNetworkTypes(DownloadManager.Request.NETWORK_WIFI | DownloadManager.Request.NETWORK_MOBILE);
    /**设置通知栏是否可见*/
    request.setNotificationVisibility(DownloadManager.Request.VISIBILITY_HIDDEN);
    /**设置漫游状态下是否可以下载*/
    request.setAllowedOverRoaming(false);
    /**如果我们希望下载的文件可以被系统的Downloads应用扫描到并管理，
     我们需要调用Request对象的setVisibleInDownloadsUi方法，传递参数true.*/
    request.setVisibleInDownloadsUi(true);
    /**设置文件保存路径*/
    request.setDestinationInExternalFilesDir(getApplicationContext(), "phoenix", "phoenix.apk");
    /**将下载请求放入队列， return下载任务的ID*/
    downloadId = downloadManager.enqueue(request);

    registerBroadcast();
}

源代码4 项目： YouTube-In-Background 文件： DownloadSharedLinkActivity.java

private long downloadFromUrl(String youtubeDlUrl, String downloadTitle, String fileName, boolean hide)
{
    Uri uri = Uri.parse(youtubeDlUrl);
    DownloadManager.Request request = new DownloadManager.Request(uri);
    request.setTitle(downloadTitle);
    if (hide) {
        request.setNotificationVisibility(DownloadManager.Request.VISIBILITY_HIDDEN);
        request.setVisibleInDownloadsUi(false);
    } else
        request.setNotificationVisibility(DownloadManager.Request.VISIBILITY_VISIBLE_NOTIFY_COMPLETED);

    request.setDestinationInExternalPublicDir(Environment.DIRECTORY_DOWNLOADS, fileName);

    DownloadManager manager = (DownloadManager) getSystemService(Context.DOWNLOAD_SERVICE);
    return manager.enqueue(request);
}

源代码5 项目： WanAndroid 文件： UpdataService.java

/**
 * 下载apk
 */
private long downloadApk(String url) {
    DownloadManager.Request request = new DownloadManager.Request(Uri.parse(url));
    //创建目录, 外部存储--> Download文件夹
    Environment.getExternalStoragePublicDirectory(Environment.DIRECTORY_DOWNLOADS).mkdir() ;
    File file = new File(Constant.PATH_APK);
    if(file.exists())
        file.delete();
    //设置文件存放路径
    request.setDestinationInExternalPublicDir(Environment.DIRECTORY_DOWNLOADS  , "WanAndroid.apk");
    //设置Notification的标题
    request.setTitle(mContext.getString(R.string.app_name));
    //设置描述
    request.setDescription(mContext.getString(R.string.downloading)) ;
    // 在下载过程中通知栏会一直显示该下载的Notification，在下载完成后该Notification会继续显示，直到用户点击该Notification或者消除该Notification。
    request.setNotificationVisibility(DownloadManager.Request.VISIBILITY_VISIBLE_NOTIFY_COMPLETED ) ;
    //下载的文件可以被系统的Downloads应用扫描到并管理
    request.setVisibleInDownloadsUi( true ) ;
    //设置请求的Mime
    MimeTypeMap mimeTypeMap = MimeTypeMap.getSingleton();
    request.setMimeType(mimeTypeMap.getMimeTypeFromExtension(url));
    //下载网络需求 - 手机数据流量、wifi
    request.setAllowedNetworkTypes(DownloadManager.Request.NETWORK_MOBILE | DownloadManager.Request.NETWORK_WIFI ) ;
    DownloadManager downloadManager = (DownloadManager) getSystemService(DOWNLOAD_SERVICE);
    return downloadManager.enqueue(request);
}

源代码6 项目： satstat 文件： DownloadTreeViewAdapter.java

/**
 * Starts a map download.
 * 
 * This will also start the progress checker.
 * 
 * @param rfile The remote file to download
 * @param mapFile The local file to which the map will be saved
 * @param view The {@link View} displaying the map file
 */
private void startDownload(RemoteFile rfile, File mapFile, View view) {
	Uri uri = rfile.getUri();
	Uri destUri = Uri.fromFile(mapFile);
	try {
		DownloadManager.Request request = new DownloadManager.Request(uri);
		//request.setTitle(rfile.name);
		//request.setDescription("SatStat map download");
		request.setNotificationVisibility(DownloadManager.Request.VISIBILITY_VISIBLE_NOTIFY_COMPLETED);
		//request.setDestinationInExternalFilesDir(getActivity(), dirType, subPath)
		request.setDestinationUri(destUri);
		Log.d(TAG, String.format("Ready to download %s to %s (local name %s)", uri.toString(), destUri.toString(), mapFile.getName()));
		Long reference = downloadManager.enqueue(request);
		DownloadInfo info = new DownloadInfo(rfile, uri, mapFile, reference);
		downloadsByReference.put(reference, info);
		downloadsByUri.put(rfile.getUri(), info);
		downloadsByFile.put(mapFile, info);
		ProgressBar downloadFileProgress = (ProgressBar) view.findViewById(R.id.downloadFileProgress);
		downloadFileProgress.setVisibility(View.VISIBLE);
		downloadFileProgress.setMax((int) (rfile.size / 1024));
		downloadFileProgress.setProgress(0);
		startProgressChecker();
	} catch (SecurityException e) {
		Log.w(TAG, String.format("Permission not granted to download %s to %s", uri.toString(), destUri.toString()));
	}
}

源代码7 项目： RxDownloader 文件： RxDownloader.java

private DownloadManager.Request createRequest(@NonNull String url,
                                              @NonNull String filename,
                                              @Nullable String destinationPath,
                                              @NonNull String mimeType,
                                              boolean inPublicDir,
                                              boolean showCompletedNotification) {

    DownloadManager.Request request = new DownloadManager.Request(Uri.parse(url));
    request.setDescription(filename);
    request.setMimeType(mimeType);

    if (destinationPath == null) {
        destinationPath = Environment.DIRECTORY_DOWNLOADS;
    }

    File destinationFolder = inPublicDir
            ? Environment.getExternalStoragePublicDirectory(destinationPath)
            : new File(context.getFilesDir(), destinationPath);

    createFolderIfNeeded(destinationFolder);
    removeDuplicateFileIfExist(destinationFolder, filename);

    if (inPublicDir) {
        request.setDestinationInExternalPublicDir(destinationPath, filename);
    } else {
        request.setDestinationInExternalFilesDir(context, destinationPath, filename);
    }

    request.setNotificationVisibility(showCompletedNotification
            ? DownloadManager.Request.VISIBILITY_VISIBLE_NOTIFY_COMPLETED
            : DownloadManager.Request.VISIBILITY_VISIBLE);

    return request;
}

源代码8 项目： BotLibre 文件： GraphicActivity.java

public void downloadFile(View v){

		if(gInstance.fileName.equals("")){
			MainActivity.showMessage("Missing file!", this);
			return;
		}
		
		String url=MainActivity.WEBSITE +"/"+ gInstance.media;
		
		try{
			
		DownloadManager.Request request = new DownloadManager.Request(Uri.parse(url));
		request.setTitle(gInstance.fileName);
		request.setDescription(MainActivity.WEBSITE);
		
		//		request.setAllowedNetworkTypes(DownloadManager.Request.NETWORK_WIFI);  only download thro wifi.
		
		request.allowScanningByMediaScanner();
		request.setNotificationVisibility(DownloadManager.Request.VISIBILITY_VISIBLE_NOTIFY_COMPLETED);
		
		Toast.makeText(GraphicActivity.this, "Downloading " + gInstance.fileName, Toast.LENGTH_SHORT).show();
		
		request.setDestinationInExternalPublicDir(Environment.DIRECTORY_DOWNLOADS, gInstance.fileName);
		DownloadManager manager = (DownloadManager) this.getSystemService(Context.DOWNLOAD_SERVICE);
		
		BroadcastReceiver onComplete=new BroadcastReceiver() {
		    public void onReceive(Context ctxt, Intent intent) {
		        Toast.makeText(GraphicActivity.this, gInstance.fileName+" Downloaded!", Toast.LENGTH_SHORT).show();
		    }
		};
		manager.enqueue(request);
		registerReceiver(onComplete, new IntentFilter(DownloadManager.ACTION_DOWNLOAD_COMPLETE));
		
		}catch(Exception e){
			MainActivity.showMessage(e.getMessage(), this);
		}
	}

源代码9 项目： MHViewer 文件： GalleryDetailScene.java

@Override
public void onItemClick(AdapterView<?> parent, View view, int position, long id) {
    Context context = getContext2();
    if (null != context && null != mTorrentList && position < mTorrentList.length) {
        String url = mTorrentList[position].first;
        String name = mTorrentList[position].second;
        // Use system download service
        DownloadManager.Request r = new DownloadManager.Request(Uri.parse(url));
        r.setDestinationInExternalPublicDir(Environment.DIRECTORY_DOWNLOADS,
                FileUtils.sanitizeFilename(name + ".torrent"));
        r.allowScanningByMediaScanner();
        r.setNotificationVisibility(DownloadManager.Request.VISIBILITY_VISIBLE_NOTIFY_COMPLETED);
        DownloadManager dm = (DownloadManager) context.getSystemService(Context.DOWNLOAD_SERVICE);
        if (dm != null) {
            try {
                dm.enqueue(r);
            } catch (Throwable e) {
                ExceptionUtils.throwIfFatal(e);
            }
        }
    }

    if (mDialog != null) {
        mDialog.dismiss();
        mDialog = null;
    }
}

源代码10 项目： YTPlayer 文件： PlayerActivity2.java

private void downloadNormal(String fileName, YTConfig config) {
    Uri uri = Uri.parse(config.getUrl());
    DownloadManager.Request request = new DownloadManager.Request(uri);
    request.setTitle(config.getTitle()+" - "+config.getChannelTitle());

    request.allowScanningByMediaScanner();
    request.setNotificationVisibility(DownloadManager.Request.VISIBILITY_VISIBLE_NOTIFY_COMPLETED);
    request.setDestinationInExternalPublicDir(Environment.DIRECTORY_DOWNLOADS, fileName);
    DownloadManager manager = (DownloadManager) getSystemService(Context.DOWNLOAD_SERVICE);
    manager.enqueue(request);
}

源代码11 项目： YCAudioPlayer 文件： AbsDownloadMusic.java

/**
 * 开始下载
 * @param url                   url
 * @param artist                artist
 * @param title                 title
 * @param coverPath             path
 */
void downloadMusic(String url, String artist, String title, String coverPath) {
    try {
        String fileName = FileMusicUtils.getMp3FileName(artist, title);
        Uri uri = Uri.parse(url);
        DownloadManager.Request request = new DownloadManager.Request(uri);
        request.setTitle(FileMusicUtils.getFileName(artist, title));
        request.setDescription("正在下载…");
        request.setDestinationInExternalPublicDir(FileMusicUtils.getRelativeMusicDir(), fileName);
        request.setMimeType(MimeTypeMap.getFileExtensionFromUrl(url));
        request.setAllowedNetworkTypes(DownloadManager.Request.NETWORK_MOBILE | DownloadManager.Request.NETWORK_WIFI);
        // 不允许漫游
        request.setAllowedOverRoaming(false);
        DownloadManager downloadManager = (DownloadManager) Utils.getApp().getSystemService(Context.DOWNLOAD_SERVICE);
        long id = 0;
        if (downloadManager != null) {
            id = downloadManager.enqueue(request);
        }
        String musicAbsPath = FileMusicUtils.getMusicDir().concat(fileName);
        DownloadMusicInfo downloadMusicInfo = new DownloadMusicInfo(title, musicAbsPath, coverPath);
        BaseAppHelper.get().getDownloadList().put(id, downloadMusicInfo);
    } catch (Throwable th) {
        th.printStackTrace();
        ToastUtils.showShort("下载失败");
    } finally {

    }
}

源代码12 项目： shinny-futures-android 文件： FeedBackActivity.java

/**
 * date: 7/12/17
 * author: chenli
 * description: 利用系统的下载服务
 */
private void downLoadFile(String url, String contentDisposition, String mimetype) {
    //创建下载任务,downloadUrl就是下载链接
    DownloadManager.Request request = new DownloadManager.Request(Uri.parse(url));
    //指定下载路径和下载文件名
    request.setDestinationInExternalPublicDir("/download/", URLUtil.guessFileName(url, contentDisposition, mimetype));
    //获取下载管理器
    DownloadManager downloadManager = (DownloadManager) getSystemService(Context.DOWNLOAD_SERVICE);
    //将下载任务加入下载队列，否则不会进行下载
    if (downloadManager != null) downloadManager.enqueue(request);
    ToastUtils.showToast(BaseApplication.getContext(),
            "下载完成:" + Environment.getExternalStoragePublicDirectory(Environment.DIRECTORY_DOWNLOADS)
                    .getAbsolutePath() + File.separator + URLUtil.guessFileName(url, contentDisposition, mimetype));
}

源代码13 项目： Android 文件： DownloadFile.java

private void downloading() {
    if(isStoragePermissionGranted()){
        DownloadManager mgr = (DownloadManager) mContext.getSystemService(Context.DOWNLOAD_SERVICE);
        Uri uri =  Uri.parse(url);
        DownloadManager.Request req=new DownloadManager.Request(uri);
        req.setAllowedNetworkTypes(DownloadManager.Request.NETWORK_WIFI
                | DownloadManager.Request.NETWORK_MOBILE)
                .setAllowedOverRoaming(false)
                .setTitle(title)
                .setDescription("downloading...")
                .setDestinationInExternalPublicDir(Environment.DIRECTORY_DOWNLOADS,title);
        mgr.enqueue(req);
    }
}

源代码14 项目： BotLibre 文件： GraphicActivity.java

public void downloadFile(View v){
	if(gInstance.fileName.equals("")){
		MainActivity.showMessage("Missing file!", this);
		return;
	}
	
	String url=MainActivity.WEBSITE +"/"+ gInstance.media;
	
	try{
		
	DownloadManager.Request request = new DownloadManager.Request(Uri.parse(url));
	request.setTitle(gInstance.fileName);
	request.setDescription(MainActivity.WEBSITE);
	
	//		request.setAllowedNetworkTypes(DownloadManager.Request.NETWORK_WIFI);  only download thro wifi.
	
	request.allowScanningByMediaScanner();
	request.setNotificationVisibility(DownloadManager.Request.VISIBILITY_VISIBLE_NOTIFY_COMPLETED);
	
	Toast.makeText(GraphicActivity.this, "Downloading " + gInstance.fileName, Toast.LENGTH_SHORT).show();
	
	request.setDestinationInExternalPublicDir(Environment.DIRECTORY_DOWNLOADS, gInstance.fileName);
	DownloadManager manager = (DownloadManager) this.getSystemService(Context.DOWNLOAD_SERVICE);
	
	BroadcastReceiver onComplete=new BroadcastReceiver() {
	    public void onReceive(Context ctxt, Intent intent) {
	        Toast.makeText(GraphicActivity.this, gInstance.fileName+" Downloaded!", Toast.LENGTH_SHORT).show();
	    }
	};
	manager.enqueue(request);
	registerReceiver(onComplete, new IntentFilter(DownloadManager.ACTION_DOWNLOAD_COMPLETE));
	
	}catch(Exception e){
		MainActivity.showMessage(e.getMessage(), this);
	}
}

源代码15 项目： xifan 文件： DownLoadApkService.java

private void downLoadApk(String url) {
    if (mEnqueue == 0) {
        mDownloadManager = (DownloadManager) getSystemService(Context.DOWNLOAD_SERVICE);
        DownloadManager.Request request = new DownloadManager.Request(Uri.parse(url));
        request.setTitle(getString(R.string.app_name));
        request.setDescription(getString(R.string.text_downloading));
        request.setDestinationInExternalPublicDir(Environment.DIRECTORY_DOWNLOADS, APK_NAME);
        request.setVisibleInDownloadsUi(true);
        mEnqueue = mDownloadManager.enqueue(request);
    }
}

源代码16 项目： seny-devpkg 文件： APKDownloader.java

/**
 * 执行下载任务
 *
 * @param apkUri  apk的下载地址
 * @param apkName 要保存的apk名字
 * @return 下载任务的ID
 */
public long downloadAPK(String apkUri, String apkName) {
    Assert.notNull(apkUri);
    Assert.notNull(apkName);
    DownloadManager.Request request = new DownloadManager.Request(Uri.parse(apkUri));
    request.setMimeType("application/vnd.android.package-archive");
    request.setDestinationInExternalPublicDir(Environment.DIRECTORY_DOWNLOADS, apkName);
    long id = mDownloadManager.enqueue(request);
    sIds.add(id);
    return id;
}

源代码17 项目： LitePlayer 文件： NetSearchFragment.java

@Override
		public void onLrc(int position, String url) {
			if(url == null) return;
			
			String musicName = mResultData.get(position).getMusicName();
			DownloadManager.Request request = new DownloadManager.Request(
					Uri.parse(Constants.MUSIC_URL + url));
			request.setVisibleInDownloadsUi(false);
			request.setNotificationVisibility(Request.VISIBILITY_HIDDEN);
//			request.setShowRunningNotification(false);
			request.setDestinationUri(Uri.fromFile(new File(MusicUtils
					.getLrcDir() + musicName + ".lrc")));
			mDownloadManager.enqueue(request);
		}

源代码18 项目： ROMInstaller 文件： Utils.java

public static void StartFlashRecovery(String downloadLink, String downloadDirectory, String downloadedFileFinalName, String recoveryPartition) {

        Uri mDownloadLink = Uri.parse(downloadLink);

        File mDownloadDirectory = new File(downloadDirectory);

        DownloadManager.Request mRequest = new DownloadManager.Request(mDownloadLink);

        mRequest.setDestinationInExternalPublicDir(mDownloadDirectory.getPath(), downloadedFileFinalName);

        mRequest.setTitle(ACTIVITY.getString(R.string.app_name));

        mRequest.setDescription(downloadedFileFinalName);

        new FlashRecovery(
                mRequest,
                mDownloadDirectory,
                downloadedFileFinalName,
                recoveryPartition, false).execute();

    }

源代码19 项目： ROMInstaller 文件： Utils.java

public static void StartDownloadROM(String downloadLink, String downloadDirectory, String downloadedFileFinalName) {

        FILE_NAME = downloadedFileFinalName;

        Uri mDownloadLink = Uri.parse(downloadLink);

        File mDownloadDirectory = new File(downloadDirectory);

        DownloadManager.Request mRequest = new DownloadManager.Request(mDownloadLink);

        mRequest.setDestinationInExternalPublicDir(mDownloadDirectory.getPath(), downloadedFileFinalName);

        mRequest.setTitle(ACTIVITY.getString(R.string.app_name));

        mRequest.setDescription(downloadedFileFinalName);

        new Download(
                mRequest,
                mDownloadDirectory,
                FILE_NAME, true).execute();

    }

源代码20 项目： ROMInstaller 文件： FlashRecovery.java

FlashRecovery(DownloadManager.Request request, File downloadDirectory, String downloadedFileFinalName, String recoveryPartition, Boolean hasAddOns) {

        this.mRequest = request;

        this.mDownloadDirectory = downloadDirectory;

        this.mDownloadedFileFinalName = downloadedFileFinalName;

        this.mRecoveryPartition = recoveryPartition;

        this.mHasAddOns = hasAddOns;

    }