Main.java Source code

Introduction

Here is the source code for Main.java

Source

//package com.java2s;
/*
 * Copyright (C) 2012 Andrew Neal Licensed under the Apache License, Version 2.0
 * (the "License"); you may not use this file except in compliance with the
 * License. You may obtain a copy of the License at
 * http://www.apache.org/licenses/LICENSE-2.0 Unless required by applicable law
 * or agreed to in writing, software distributed under the License is
 * distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
 * KIND, either express or implied. See the License for the specific language
 * governing permissions and limitations under the License.
 */

import android.content.ContentResolver;

import android.content.ContentValues;
import android.content.Context;

import android.database.Cursor;
import android.net.Uri;

import android.provider.MediaStore;

import android.provider.MediaStore.Audio.PlaylistsColumns;

public class Main {
    /**
     * @param context The {@link Context} to use.
     * @param name The name of the new playlist.
     * @return A new playlist ID.
     */
    public static final long createPlaylist(final Context context, final String name) {
        if (name != null && name.length() > 0) {
            final ContentResolver resolver = context.getContentResolver();
            final String[] projection = new String[] { PlaylistsColumns.NAME };
            final String selection = PlaylistsColumns.NAME + " = '" + name + "'";
            Cursor cursor = resolver.query(MediaStore.Audio.Playlists.EXTERNAL_CONTENT_URI, projection, selection,
                    null, null);
            if (cursor.getCount() <= 0) {
                final ContentValues values = new ContentValues(1);
                values.put(PlaylistsColumns.NAME, name);
                final Uri uri = resolver.insert(MediaStore.Audio.Playlists.EXTERNAL_CONTENT_URI, values);
                return Long.parseLong(uri.getLastPathSegment());
            }
            if (cursor != null) {
                cursor.close();
                cursor = null;
            }
            return -1;
        }
        return -1;
    }
}