Java Query.setFilterByStatus方法代码示例

import android.app.DownloadManager.Query; //导入方法依赖的package包/类
@Override
public Cursor queryChildDocuments(String docId, String[] projection, String sortOrder)
        throws FileNotFoundException {
    final MatrixCursor result = new MatrixCursor(resolveDocumentProjection(projection));

    // Delegate to real provider
    final long token = Binder.clearCallingIdentity();
    Cursor cursor = null;
    try {
    	Query query = new Query();
    	DownloadManagerUtils.setOnlyIncludeVisibleInDownloadsUi(query);
    	//query.setOnlyIncludeVisibleInDownloadsUi(true);
        query.setFilterByStatus(DownloadManager.STATUS_SUCCESSFUL);
    	//query.setFilterByStatus(DownloadManager.STATUS_PENDING | DownloadManager.STATUS_PAUSED | DownloadManager.STATUS_RUNNING | DownloadManager.STATUS_FAILED);
        cursor = mDm.query(query);//.setOnlyIncludeVisibleInDownloadsUi(true)
                //.setFilterByStatus(DownloadManager.STATUS_SUCCESSFUL));
        //copyNotificationUri(result, cursor);
        while (cursor.moveToNext()) {
            includeDownloadFromCursor(result, cursor);
        }
    } finally {
        IoUtils.closeQuietly(cursor);
        Binder.restoreCallingIdentity(token);
    }
    return result;
}
 

import android.app.DownloadManager.Query; //导入方法依赖的package包/类
public static HashMap<Long,String> getCurrentDownloads(Context ctx) {
	HashMap<Long,String> res = new HashMap<Long,String>();
	DownloadManager dm = (DownloadManager) ctx.getSystemService(Context.DOWNLOAD_SERVICE);
	Query query = new DownloadManager.Query();
	if(query!=null) 
	{
		query.setFilterByStatus(DownloadManager.STATUS_FAILED|DownloadManager.STATUS_PAUSED|DownloadManager.STATUS_SUCCESSFUL|
				DownloadManager.STATUS_RUNNING|DownloadManager.STATUS_PENDING);
	} 
	Cursor c = dm.query(query);
	while (c.moveToNext()) {
		int status = c.getInt(c.getColumnIndex(DownloadManager.COLUMN_STATUS));
		if (status == DownloadManager.STATUS_PAUSED || 
				status == DownloadManager.STATUS_RUNNING) {
			res.put(c.getLong(c.getColumnIndex(DownloadManager.COLUMN_ID)), c.getString(c.getColumnIndex(DownloadManager.COLUMN_TITLE)));
		}
	}
	return res;
}
 

import android.app.DownloadManager.Query; //导入方法依赖的package包/类
private void cancelDownload() {
   	Query query = new Query();
	query.setFilterByStatus(
		    DownloadManager.STATUS_PAUSED|
		    DownloadManager.STATUS_PENDING|
		    DownloadManager.STATUS_RUNNING);
	Cursor cur = dm.query(query);
	int col = cur.getColumnIndex(DownloadManager.COLUMN_URI);
	int colId = cur.getColumnIndex(DownloadManager.COLUMN_ID);
	for(cur.moveToFirst(); !cur.isAfterLast(); cur.moveToNext()) {
		if(issue.getPdfUrl().equals(cur.getString(col)))
			dm.remove(cur.getLong(colId));
	}
	cur.close();
   	menu.findItem(R.id.menu_view).setVisible(true);
   	menu.findItem(R.id.menu_cancel_download).setVisible(false);
}
 

import android.app.DownloadManager.Query; //导入方法依赖的package包/类
@Override
public void onReceive(Context context, Intent intent) {
	String action = intent.getAction();
	synchronized (currentDownloads) {
		if (DownloadManager.ACTION_DOWNLOAD_COMPLETE.equals(action)
				&& !currentDownloads.isEmpty()) {
			// long downloadId = intent.getLongExtra(
			// DownloadManager.EXTRA_DOWNLOAD_ID, 0);
			Query query = new Query();

			long[] downloads = new long[currentDownloads.size()];
			for (int i = 0, len = currentDownloads.size(); i < len; i++) {
				downloads[i] = currentDownloads.get(i);
			}
			query.setFilterById(downloads);
			query.setFilterByStatus(DownloadManager.STATUS_SUCCESSFUL);
			Cursor cursor = mDownloadManager.query(query);
			boolean pluginAdded = false;
			if (cursor.moveToFirst()) {
				int columnId = cursor
						.getColumnIndex(DownloadManager.COLUMN_ID);
				do {
					currentDownloads.remove(cursor.getLong(columnId));
					pluginAdded = true;
				} while (cursor.moveToNext());
				if (pluginAdded) {
					PluginLoader.reloadPlugins();
				}
			}

		}
	}
}
 

import android.app.DownloadManager.Query; //导入方法依赖的package包/类
@Override
public void onReceive(Context context, Intent intent) {
       String action = intent.getAction();
       DownloadManager dm = (DownloadManager) context.getSystemService(Context.DOWNLOAD_SERVICE);
       if (DownloadManager.ACTION_DOWNLOAD_COMPLETE.equals(action)) {
           Query query = new Query();
           query.setFilterByStatus(DownloadManager.STATUS_SUCCESSFUL);
           Cursor c = dm.query(query);
           if (c.moveToFirst()) {
               int titleColumnIndex = c.getColumnIndex(DownloadManager.COLUMN_TITLE);
               String title = context.getString(R.string.menu_view) + " " + c.getString(titleColumnIndex);
               int pdfPathColumnIndex = c.getColumnIndex(DownloadManager.COLUMN_LOCAL_URI);
               String pdfPath = c.getString(pdfPathColumnIndex);
               Intent intentPdf = new Intent(Intent.ACTION_VIEW);
               intentPdf.setDataAndType(Uri.parse(pdfPath), "application/pdf");
       		PendingIntent contentIntent = PendingIntent.getActivity(context, 0,
       				intentPdf, PendingIntent.FLAG_CANCEL_CURRENT);
       		
       		SharedPreferences settings = context.getSharedPreferences("IssueDownloadNotification", Context.MODE_PRIVATE);
       		if(settings.getBoolean(title, false))
       			return;
       		settings.edit().putBoolean(title, true).commit();

       		Notification noti = new NotificationCompat.Builder(context)
       				.setContentTitle(title)
       				.setContentText(context.getString(R.string.download_completed_text))
       				.setContentIntent(contentIntent)
       				.setSmallIcon(R.drawable.new_issue)
       				.getNotification();
       		
       		PebbleNotifier.notify(context, title, context.getString(R.string.download_completed_text));

       		NotificationManager notificationManager = (NotificationManager) context.getSystemService(Context.NOTIFICATION_SERVICE);
       		noti.flags |= Notification.FLAG_AUTO_CANCEL;
       		notificationManager.notify(ID_NOTIFICATION++, noti);
           }
           c.close();
       }
}
 

import android.app.DownloadManager.Query; //导入方法依赖的package包/类
private void listing607()
{
    /**
     * Listing 6-7: Finding details of paused downloads
     */
    // Obtain the Download Manager Service.
    String serviceString = Context.DOWNLOAD_SERVICE;
    DownloadManager downloadManager;
    downloadManager = ( DownloadManager ) getSystemService( serviceString );

    // Create a query for paused downloads.
    Query pausedDownloadQuery = new Query();
    pausedDownloadQuery.setFilterByStatus( DownloadManager.STATUS_PAUSED );

    // Query the Download Manager for paused downloads.
    Cursor pausedDownloads = downloadManager.query( pausedDownloadQuery );

    // Find the column indexes for the data we require.
    int reasonIdx = pausedDownloads.getColumnIndex( DownloadManager.COLUMN_REASON );
    int titleIdx = pausedDownloads.getColumnIndex( DownloadManager.COLUMN_TITLE );
    int fileSizeIdx = pausedDownloads.getColumnIndex( DownloadManager.COLUMN_TOTAL_SIZE_BYTES );
    int bytesDLIdx = pausedDownloads.getColumnIndex( DownloadManager.COLUMN_BYTES_DOWNLOADED_SO_FAR );

    // Iterate over the result Cursor.
    while ( pausedDownloads.moveToNext() )
    {
        // Extract the data we require from the Cursor.
        String title = pausedDownloads.getString( titleIdx );
        int fileSize = pausedDownloads.getInt( fileSizeIdx );
        int bytesDL = pausedDownloads.getInt( bytesDLIdx );

        // Translate the pause reason to friendly text.
        int reason = pausedDownloads.getInt( reasonIdx );
        String reasonString = "Unknown";
        switch ( reason )
        {
            case DownloadManager.PAUSED_QUEUED_FOR_WIFI:
                reasonString = "Waiting for WiFi";
                break;
            case DownloadManager.PAUSED_WAITING_FOR_NETWORK:
                reasonString = "Waiting for connectivity";
                break;
            case DownloadManager.PAUSED_WAITING_TO_RETRY:
                reasonString = "Waiting to retry";
                break;
            default:
                break;
        }

        // Construct a status summary
        StringBuilder sb = new StringBuilder();
        sb.append( title ).append( "\n" );
        sb.append( reasonString ).append( "\n" );
        sb.append( "Downloaded " ).append( bytesDL ).append( " / " ).append( fileSize );

        // Display the status
        Log.d( "DOWNLOAD", sb.toString() );
    }

    // Close the result Cursor.
    pausedDownloads.close();
}