Main.java Source code

Introduction

Here is the source code for Main.java

Source

//package com.java2s;
//License from project: Open Source License 

import android.os.Environment;

import java.io.File;
import java.io.FilenameFilter;

import java.util.HashSet;

import java.util.Set;

public class Main {
    /**
     * Returns album IDs containing at least one cached track.
     * @return Albums IDs
     */
    public static Set<String> getCachedAlbumSet() {
        File cacheDir = getMusicCacheDir();
        File[] albumList = cacheDir.listFiles();
        Set<String> output = new HashSet<>();
        for (File album : albumList) {
            if (album.list(new FilenameFilter() {
                @Override
                public boolean accept(File dir, String filename) {
                    return filename.endsWith(".complete");
                }
            }).length > 0) {
                output.add(album.getName());
            }
        }
        return output;
    }

    /**
     * Returns the music cache directory.
     * @return Music cache directory
     */
    public static File getMusicCacheDir() {
        File music = Environment.getExternalStoragePublicDirectory("SismicsMusic");
        File cache = new File(music, "cache");
        if (!cache.exists()) {
            cache.mkdirs();
        }
        return cache;
    }
}