package com.misoo.pkcc;import android.app.Activity;import android.os.Bundle;import android.view.View;import android.view.View.OnClickListener;import android.widget.LinearLayout;import android.widget.TextView;public class ac01 extends Activity implements OnClickListener {	private final int WC = LinearLayout.LayoutParams.WRAP_CONTENT; 	private final int FP = LinearLayout.LayoutParams.FILL_PARENT; 	  	private mp3Player mp3_player;    private myButton btn, btn2, btn3;    public TextView tv;    public void onCreate(Bundle icicle) {                super.onCreate(icicle);                mp3_player = new mp3Player(this);                LinearLayout layout = new LinearLayout(this);                layout.setOrientation(LinearLayout.VERTICAL);                                               btn = new myButton(this);                btn.setId(101);                btn.setText("play");                btn.setOnClickListener(this);                LinearLayout.LayoutParams param =                     new LinearLayout.LayoutParams(btn.get_width(),                     		   btn.get_height());                 param.topMargin = 10;                layout.addView(btn, param);                                 btn2 = new myButton(this);                btn2.setId(102);                btn2.setText("stop");                btn2.setOnClickListener(this);                layout.addView(btn2, param);                                btn3 = new myButton(this);                btn3.setId(103);                btn3.setText("exit");                btn3.setOnClickListener(this);                layout.addView(btn3, param);                                tv = new TextView(this);                tv.setText("Ready");                LinearLayout.LayoutParams param2 =                    new LinearLayout.LayoutParams(FP, WC);                 param2.topMargin = 10;                layout.addView(tv, param2);                setContentView(layout);                     }       	public void onClick(View v) {		switch(v.getId()){		case 101:			mp3_player.start();	        break;		case 102:			mp3_player.stop();			break;		case 103:			finish();			break;		}	}}