Example usage for android.app DownloadManager query

Introduction

In this page you can find the example usage for android.app DownloadManager query.

Prototype

public Cursor query(Query query)

Source Link

Document

Query the download manager about downloads that have been requested.

Usage

From source file:org.wso2.iot.agent.api.ApplicationManager.java

/**
 * Initiate downloading via DownloadManager API.
 *
 * @param url     - File URL.//from  ww  w. j ava 2  s  .co  m
 * @param appName - Name of the application to be downloaded.
 */
private void downloadViaDownloadManager(String url, String appName) {
    final DownloadManager downloadManager = (DownloadManager) context
            .getSystemService(Context.DOWNLOAD_SERVICE);
    Uri downloadUri = Uri.parse(url);
    DownloadManager.Request request = new DownloadManager.Request(downloadUri);

    // Restrict the types of networks over which this download may
    // proceed.
    request.setAllowedNetworkTypes(
            DownloadManager.Request.NETWORK_WIFI | DownloadManager.Request.NETWORK_MOBILE);
    // Set whether this download may proceed over a roaming connection.
    request.setAllowedOverRoaming(true);
    // Set the title of this download, to be displayed in notifications
    // (if enabled).
    request.setTitle(resources.getString(R.string.downloader_message_title));
    request.setVisibleInDownloadsUi(false);
    request.setNotificationVisibility(DownloadManager.Request.VISIBILITY_HIDDEN);
    // Set the local destination for the downloaded file to a path
    // within the application's external files directory
    request.setDestinationInExternalPublicDir(Environment.DIRECTORY_DOWNLOADS, appName);
    // Enqueue a new download and same the referenceId
    downloadReference = downloadManager.enqueue(request);
    new Thread(new Runnable() {
        @Override
        public void run() {
            boolean downloading = true;
            int progress = 0;
            while (downloading) {
                downloadOngoing = true;
                DownloadManager.Query query = new DownloadManager.Query();
                query.setFilterById(downloadReference);
                Cursor cursor = downloadManager.query(query);
                cursor.moveToFirst();
                int bytesDownloaded = cursor
                        .getInt(cursor.getColumnIndex(DownloadManager.COLUMN_BYTES_DOWNLOADED_SO_FAR));
                int bytesTotal = cursor.getInt(cursor.getColumnIndex(DownloadManager.COLUMN_TOTAL_SIZE_BYTES));
                if (cursor.getInt(cursor
                        .getColumnIndex(DownloadManager.COLUMN_STATUS)) == DownloadManager.STATUS_SUCCESSFUL) {
                    downloading = false;
                }
                if (cursor.getInt(cursor
                        .getColumnIndex(DownloadManager.COLUMN_STATUS)) == DownloadManager.STATUS_FAILED) {
                    downloading = false;
                    Preference.putString(context, context.getResources().getString(R.string.app_install_status),
                            context.getResources().getString(R.string.app_status_value_download_failed));
                    Preference.putString(context,
                            context.getResources().getString(R.string.app_install_failed_message),
                            "App download failed due to a connection issue.");
                }
                int downloadProgress = 0;
                if (bytesTotal > 0) {
                    downloadProgress = (int) ((bytesDownloaded * 100l) / bytesTotal);
                }
                if (downloadProgress != DOWNLOAD_PERCENTAGE_TOTAL) {
                    progress += DOWNLOADER_INCREMENT;
                } else {
                    progress = DOWNLOAD_PERCENTAGE_TOTAL;
                    Preference.putString(context, context.getResources().getString(R.string.app_install_status),
                            context.getResources().getString(R.string.app_status_value_download_completed));
                }

                Preference.putString(context, resources.getString(R.string.app_download_progress),
                        String.valueOf(progress));
                cursor.close();
            }
            downloadOngoing = false;
        }
    }).start();
}