content: package com.kure.musicplayer.activities;
  
  import java.util.ArrayList;
  
  import android.app.ActionBar;
  import android.content.Intent;
  import android.os.Bundle;
  import android.view.View;
  import android.widget.AdapterView;
  import android.widget.AdapterView.OnItemClickListener;
  import android.widget.ArrayAdapter;
  import android.widget.ListView;
  
  import com.kure.musicplayer.R;
  import com.kure.musicplayer.kMP;
  
  /**
   * Shows a menu with all the years your songs have.
   */
  public class ActivityMenuYear extends ActivityMaster
  	implements OnItemClickListener {
  
  	/**
  	 * All the possible items the user can select on this menu.
  	 *
  	 * Will be initialized with default values on `onCreate`.
  	 */
  	public static ArrayList<String> items;
  
  	/**
  	 * List that will be populated with all the items.
  	 */
  	ListView listView;
  
  	/**
  	 * Called when the activity is created for the first time.
  	 */
  	@Override
  	protected void onCreate(Bundle savedInstanceState) {
  
  		super.onCreate(savedInstanceState);
  		setContentView(R.layout.activity_menu_years);
  
  		// This enables the "Up" button on the top Action Bar
  		// Note that it returns to the parent Activity, specified
  		// on `AndroidManifest`
  		ActionBar actionBar = getActionBar();
  		if (actionBar != null)
  			actionBar.setDisplayHomeAsUpEnabled(true);
  
  		// List to be populated with items
  		listView = (ListView)findViewById(R.id.activity_menu_years_list);
  
  		items = kMP.songs.getYears();
  
  		// Adapter that will convert from Strings to List Items
  		final ArrayAdapter<String> adapter = new ArrayAdapter<String>
  				(this, android.R.layout.simple_list_item_1, items);
  
  		// Filling teh list with all the items
  		listView.setAdapter(adapter);
  
  		listView.setOnItemClickListener(this);
  	}
  
  	/**
  	 * Will react to the user selecting an item.
  	 */
  	@Override
  	public void onItemClick(AdapterView<?> parent, View view, int position, long id) {
  
  		int selectedYear = Integer.parseInt(items.get(position));
  
  		kMP.musicList = kMP.songs.getSongsByYear(selectedYear);
  
  		Intent intent = new Intent(this, ActivityListSongs.class);
  
  		intent.putExtra("title", Integer.toString(selectedYear));
  
  		startActivity(intent);
  	}
  
  	/**
  	 * When destroying the Activity.
  	 */
  	@Override
  	protected void onDestroy() {
  		super.onDestroy();
  
  		// Need to clear all the items otherwise
  		// they'll keep adding up.
  		items.clear();
  	}
  }
  