title: Importing my custom class and calling it's method?
body: <p>I have created a custom class for my Android project called "Sounds" I want to be able to call it from my activity. The contents of my class are as follows:</p>
  
  <pre><code>package com.mypackage;
  
  import java.util.HashMap;
  
  import android.content.Context;
  import android.media.SoundPool;
  
  public class Sounds {
  
  private static boolean sound = true;
  
  private static final int FLIP_SOUND = 1;
  
  private static Context context;
  private static SoundPool soundPool;
  private static HashMap&lt;Integer, Integer&gt; soundPoolMap;
  
  public static void initSounds() {
      soundPoolMap.put(FLIP_SOUND, soundPool.load(context, R.raw.flip, 1));
  }
  
  public static void playFlip() {
          soundPool.play(soundPoolMap.get(FLIP_SOUND), 1, 1, 1, 0, 1);
  }
  
  public static void setSound(Boolean onOff) {
      sound = onOff;
  }
  }
  </code></pre>
  
  <p>In my main Activity class I have tried importing the class, creating an instance of it but I guess I'm just not understanding how it's done. Can anybody point me in the right direction please?</p>