Android Cursor Read extractFilenameFromUri(Uri uri, Activity activity)

Description

extract Filename From Uri

License

Open Source License

Declaration

public static String extractFilenameFromUri(Uri uri, Activity activity) 

Method Source Code

//package com.java2s;
/**/*  w  ww  . j a va2  s . c  om*/
 *  ReGalAndroid, a gallery client for Android, supporting G2, G3, etc...
 *  URLs: https://github.com/anthonydahanne/ReGalAndroid , http://blog.dahanne.net
 *  Copyright (c) 2010 Anthony Dahanne
 *  This program is free software; you can redistribute it and/or modify
 *  it under the terms of the GNU General Public License as published by
 *  the Free Software Foundation; either version 3 of the License, or
 *  (at your option) any later version.
 *
 *  This program is distributed in the hope that it will be useful,
 *  but WITHOUT ANY WARRANTY; without even the implied warranty of
 *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
 *  GNU General Public License for more details.
 *
 *  You should have received a copy of the GNU General Public License
 *  along with this program. If not, see <http://www.gnu.org/licenses/>.
 */

import android.app.Activity;
import android.database.Cursor;
import android.net.Uri;
import android.provider.MediaStore;

public class Main {
    public static String extractFilenameFromUri(Uri uri, Activity activity) {

        String fileName = null;
        if (uri == null) {
            throw new IllegalArgumentException();
        }
        String scheme = uri.getScheme();
        String path = uri.getPath();
        if (path != null && scheme != null && scheme.equals("file")) {
            fileName = path.substring(path.lastIndexOf("/") + 1);
        }

        String[] projection = { MediaStore.Images.ImageColumns.DISPLAY_NAME /* col1 */};

        Cursor c = activity.managedQuery(uri, projection, null, null, null);
        if (c != null && c.moveToFirst()) {
            fileName = c.getString(0);
        }
        return fileName;
    }
}

Related

1. copyStringToBuffer(Cursor cursor, String columnName, CharArrayBuffer buffer)
2. getBlob(Cursor cursor, String columnName)
3. getBlob(String columnName)
4. getDouble(Cursor cursor, String columnName)
5. getDouble(String columnName)