Queries MediaStore and returns a cursor with all unique artists, their ids, and their number of albums. - Android Media

Android examples for Media:Album

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Description

Queries MediaStore and returns a cursor with all unique artists, their ids, and their number of albums.

Demo Code

/*//from   w  w  w .ja  va2 s  .c om
 * Copyright (C) 2014 Saravan Pantham
 *
 * 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.
 */
//package com.java2s;
import android.content.ContentResolver;
import android.content.Context;
import android.database.Cursor;

import android.provider.MediaStore;

public class Main {
    /**
     * Queries MediaStore and returns a cursor with all unique artists, 
     * their ids, and their number of albums.
     */
    public static Cursor getAllUniqueArtists(Context context) {
        ContentResolver contentResolver = context.getContentResolver();
        String[] projection = { MediaStore.Audio.Artists._ID,
                MediaStore.Audio.Artists.ARTIST,
                MediaStore.Audio.Artists.NUMBER_OF_ALBUMS };

        return contentResolver.query(
                MediaStore.Audio.Artists.EXTERNAL_CONTENT_URI, projection,
                null, null, MediaStore.Audio.Artists.ARTIST + " ASC");

    }
}

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