Java Request.setMimeType方法代码示例

import android.app.DownloadManager.Request; //导入方法依赖的package包/类
@SuppressWarnings("ResultOfMethodCallIgnored")
public static void downloadUri(
        Context context, Uri uri, String fileName, @Nullable String mimeType) {
    // Create the destination location
    File destination = Environment.getExternalStoragePublicDirectory(
            Environment.DIRECTORY_DOWNLOADS);
    destination.mkdirs();
    Uri destinationUri = Uri.fromFile(new File(destination, fileName));

    // Use the download manager to perform the download
    DownloadManager downloadManager =
            (DownloadManager) context.getSystemService(Activity.DOWNLOAD_SERVICE);
    Request request = new Request(uri)
            .setNotificationVisibility(Request.VISIBILITY_VISIBLE_NOTIFY_COMPLETED)
            .setDestinationUri(destinationUri);
    if (mimeType != null) {
        request.setMimeType(mimeType);
    }
    request.allowScanningByMediaScanner();
    downloadManager.enqueue(request);
}
 

import android.app.DownloadManager.Request; //导入方法依赖的package包/类
public long enqueue(String uri, String name, int epi, String vid){
	Request request = new Request(Uri.parse(uri));
	request.setAllowedNetworkTypes(Request.NETWORK_WIFI);
	String externd = uri.substring(uri.lastIndexOf('.'));
	String file = name;
	String dir = "NetVideo" ;
	if(epi != 0){
		file += epi;
		dir = dir + "/" + name;
	}
	request.setTitle(file);
	request.setDestinationInExternalPublicDir(dir, file + "." + externd);
	request.setMimeType("media/video");
	request.setDescription(vid);
	return mDownloadManager.enqueue(request);
}
 

import android.app.DownloadManager.Request; //导入方法依赖的package包/类
public static void downloadPlugin(PluginDownloadHolder dataSource) {

		Request request = new DownloadManager.Request(
				dataSource.getDownloadLink());
		request.setDestinationInExternalFilesDir(
				GeoARApplication.applicationContext, null,
				dataSource.getIdentifier() + ".apk");
		request.setTitle("GeoAR Data Souce Download");
		request.setMimeType("application/vnd.52north.datasources");
		request.setDescription(dataSource.getName());
		currentDownloads.add(mDownloadManager.enqueue(request));
	}
 

import android.app.DownloadManager.Request; //导入方法依赖的package包/类
private void downloadFile() {
    // Guess file name from metadata
    fileName = URLUtil.guessFileName(downloadUrl, downloadContentDisposition, downloadMimeType);
    Request request = new Request(Uri.parse(downloadUrl));

    // Make media scanner scan this file so that other apps can use it.
    request.allowScanningByMediaScanner();

    // show notification when downloading and after download completes
    request.setNotificationVisibility(
            Request.VISIBILITY_VISIBLE_NOTIFY_COMPLETED
    );

    // Set the directory where to save the file
    Log.d("ficsaveM/filePath", Environment.DIRECTORY_DOCUMENTS + "/" + fileName);
    request.setDestinationInExternalPublicDir(
            Environment.DIRECTORY_DOCUMENTS, fileName);

    request.setMimeType(downloadMimeType);
    request.setTitle(fileName);

    // Set headers needed to download the file
    String cookies = CookieManager.getInstance().getCookie(downloadUrl);
    request.addRequestHeader("cookie", cookies);
    request.addRequestHeader("User-Agent", downloadUserAgent);

    fileDownloadId = mDownloadManager.enqueue(request);
    Log.d("ficsaveM/DownloadStartd", "fileID: " + fileDownloadId + ", fileName: " + fileName);
    Toast.makeText(mContext, R.string.downloading_file_toast_msg, //To notify the Client that the file is being downloaded
            Toast.LENGTH_LONG).show();

    mGTracker.send(new HitBuilders.EventBuilder()
            .setCategory(DOWNLOAD_LISTENER_CATEGORY)
            .setAction("Download Enqueued")
            .setLabel(FILE_LABEL + fileName)
            .setValue(1)
            .build());
    Bundle bundle = new Bundle();
    bundle.putString("File", fileName);
    mFTracker.logEvent("DownloadEnqueued", bundle);
}
 

import android.app.DownloadManager.Request; //导入方法依赖的package包/类
@Override
public Void run(JobContext jc) {
	try {
		if (checkDownloadRunning())
			return null;
		if (checkApkExist()) {
			Intent installApkIntent = new Intent();
			installApkIntent.setAction(Intent.ACTION_VIEW);
			installApkIntent.setDataAndType(
					Uri.parse(Preferences.getDownloadPath(mContext)),
					"application/vnd.android.package-archive");
			installApkIntent.setFlags(Intent.FLAG_ACTIVITY_NEW_TASK
					| Intent.FLAG_ACTIVITY_EXCLUDE_FROM_RECENTS);
			mContext.startActivity(installApkIntent);
		} else {
			String apkName = mContext.getPackageName()
					+ System.currentTimeMillis() + Constants.APK_SUFFIX;
			// 系统下载程序
			final DownloadManager downloadManager = (DownloadManager) mContext
					.getSystemService(mContext.DOWNLOAD_SERVICE);

			Long recommendedMaxBytes = DownloadManager
					.getRecommendedMaxBytesOverMobile(mContext);

			// 可以在移动网络下下载
			if (recommendedMaxBytes == null
					|| recommendedMaxBytes.longValue() > MAX_ALLOWED_DOWNLOAD_BYTES_BY_MOBILE) {
				allowMobileDownload = true;
			}

			Uri uri = Uri.parse(mUpgradeInfo.getUrl());

			final Request request = new Request(uri);

			request.setNotificationVisibility(DownloadManager.Request.VISIBILITY_VISIBLE_NOTIFY_COMPLETED);
			request.setNotificationVisibility(DownloadManager.Request.VISIBILITY_VISIBLE_NOTIFY_COMPLETED);

			int NETWORK_TYPE = DownloadManager.Request.NETWORK_WIFI;
			if (allowMobileDownload) {
				NETWORK_TYPE |= DownloadManager.Request.NETWORK_MOBILE;
			}
			request.setAllowedNetworkTypes(NETWORK_TYPE);
			request.allowScanningByMediaScanner();
			request.setShowRunningNotification(true);
			request.setVisibleInDownloadsUi(true);
			request.setDestinationInExternalPublicDir(
					Environment.DIRECTORY_DOWNLOADS, apkName);
			PackageManager packageManager = mContext.getPackageManager();
			ApplicationInfo applicationInfo = packageManager
					.getApplicationInfo(mContext.getPackageName(), 0);
			Log.i("liweiping",
					"appName = "
							+ packageManager
									.getApplicationLabel(applicationInfo));
			request.setTitle(packageManager
					.getApplicationLabel(applicationInfo));
			request.setMimeType("application/vnd.android.package-archive");

			// id 保存起来跟之后的广播接收器作对比
			long id = downloadManager.enqueue(request);

			long oldId = Preferences.getDownloadId(mContext);
			if (oldId != -1) {
				downloadManager.remove(oldId);
			}

			Preferences.removeAll(mContext);
			Preferences.setDownloadId(mContext, id);
			Preferences.setUpgradeInfo(mContext, mUpgradeInfo);
			Preferences.setDownloadStatus(mContext,
					Constants.DOWNLOAD_STATUS_RUNNING);
		}
	} catch (Exception e) {
		e.printStackTrace();
	}
	return null;
}