Main.java Source code

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Here is the source code for Main.java

Source

//package com.java2s;
/* 
 * Copyright 2008-2013, ETH Zrich, Samuel Welten, Michael Kuhn, Tobias Langner,
 * Sandro Affentranger, Lukas Bossard, Michael Grob, Rahul Jain, 
 * Dominic Langenegger, Sonia Mayor Alonso, Roger Odermatt, Tobias Schlueter,
 * Yannick Stucki, Sebastian Wendland, Samuel Zehnder, Samuel Zihlmann,       
 * Samuel Zweifel
 *
 * This file is part of Jukefox.
 *
 * Jukefox 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 any later version. Jukefox 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
 * Jukefox. If not, see <http://www.gnu.org/licenses/>.
 */

import android.content.ContentResolver;
import android.content.Context;

import android.database.Cursor;

import android.net.Uri;

import android.provider.MediaStore;

public class Main {
    public static boolean isMediaScannerScanning(Context context) {
        boolean result = false;

        Cursor cursor = query(context, MediaStore.getMediaScannerUri(),
                new String[] { MediaStore.MEDIA_SCANNER_VOLUME }, null, null, null);
        if (cursor != null) {
            if (cursor.getCount() == 1) {
                cursor.moveToFirst();
                result = "external".equals(cursor.getString(0));
            }
            cursor.close();
        }

        return result;
    }

    public static Cursor query(Context context, Uri uri, String[] projection, String selection,
            String[] selectionArgs, String sortOrder) {
        return query(context, uri, projection, selection, selectionArgs, sortOrder, 0);
    }

    public static Cursor query(Context context, Uri uri, String[] projection, String selection,
            String[] selectionArgs, String sortOrder, int limit) {
        try {
            ContentResolver resolver = context.getContentResolver();
            if (resolver == null) {
                return null;
            }
            if (limit > 0) {
                uri = uri.buildUpon().appendQueryParameter("limit", "" + limit).build();
            }
            return resolver.query(uri, projection, selection, selectionArgs, sortOrder);
        } catch (UnsupportedOperationException ex) {
            return null;
        }

    }
}