Android Open Source - kure-music-player Activity Menu Year

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License

The source code is released under:

GNU General Public License

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Java Source Code

package com.kure.musicplayer.activities;
/*  ww w  .j av  a2 s .c o  m*/
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();
  }
}

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