Clicking button to play sound

[InsanoLabs]

I've looked through several answered questions on this website regarding my question but just cannot get this to work. I'm trying to make a button play a sound once it has been clicked.Java code:\[code\]package jg.AvengersSoundboard;import android.app.Activity;import android.os.Bundle;public class Activity2 extends Activity { private Object mp; /** Called when the activity is first created. */ public void onCreate(Bundle savedInstanceState) { super.onCreate(savedInstanceState); setContentView(R.layout.main2); }}\[/code\]XML Code:\[code\]<?xml version="1.0" encoding="utf-8"?><LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"androidrientation="vertical"android:layout_width="fill_parent"android:layout_height="fill_parent"android:background="#ffffff" ><Button android:id="@+id/button1" style="?android:attr/buttonStyleSmall" android:layout_width="match_parent" android:layout_height="wrap_content" android:text="Brain bag full of cats (HULK)"/><Button android:id="@+id/button2" style="?android:attr/buttonStyleSmall" android:layout_width="match_parent" android:layout_height="wrap_content" android:text="Do you think this madness will end in your rule? (THOR)" /><Button android:id="@+id/button3" style="?android:attr/buttonStyleSmall" android:layout_width="match_parent" android:layout_height="wrap_content" android:text="Freedom (LOKI)" /><Button android:id="@+id/button4" style="?android:attr/buttonStyleSmall" android:layout_width="match_parent" android:layout_height="wrap_content" android:text="Genius, Playboy, Billionaire. (STARK)" /><Button android:id="@+id/button5" style="?android:attr/buttonStyleSmall" android:layout_width="match_parent" android:layout_height="wrap_content" android:text="I have an army, we have a Hulk. (STARK)" /><Button android:id="@+id/button6" style="?android:attr/buttonStyleSmall" android:layout_width="match_parent" android:layout_height="wrap_content" android:text="I put a bullet in my mouth. (HULK)" /><Button android:id="@+id/button7" style="?android:attr/buttonStyleSmall" android:layout_width="match_parent" android:layout_height="wrap_content" android:text="I&apos;m bringing the party to you (STARK)" /><Button android:id="@+id/button8" style="?android:attr/buttonStyleSmall" android:layout_width="match_parent" android:layout_height="wrap_content" android:text="Last time in Germany (Cpt. America)" /><Button android:id="@+id/button9" style="?android:attr/buttonStyleSmall" android:layout_width="match_parent" android:layout_height="wrap_content" android:text="Move away please" /><Button android:id="@+id/button10" style="?android:attr/buttonStyleSmall" android:layout_width="match_parent" android:layout_height="wrap_content" android:text="Submarine (HULK)" /><Button android:id="@+id/button11" style="?android:attr/buttonStyleSmall" android:layout_width="match_parent" android:layout_height="wrap_content" android:text="Tell me nobody kissed me (STARK)" /><Button android:id="@+id/button12" style="?android:attr/buttonStyleSmall" android:layout_width="match_parent" android:layout_height="wrap_content" android:text="You mean peace" /> <Button android:id="@+id/Button02" android:layout_width="match_parent" android:layout_height="55px" android:text="Previous" android:textSize="18px" ></Button> \[/code\]