wallpaper.apk

package com.abhi.app;

import java.io.IOException;

import android.app.Activity;
import android.app.WallpaperManager;
import android.media.MediaPlayer;
import android.media.MediaPlayer.OnCompletionListener;
import android.os.Bundle;
import android.view.View;
import android.view.View.OnClickListener;
import android.widget.Button;
import android.widget.Toast;

public class helloworld extends Activity {
    /** Called when the activity is first created. */
    @Override
    public void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.main);
        Button button = (Button) findViewById(R.id.button01);
    final WallpaperManager wm = WallpaperManager.getInstance(this); //for wallpaper
    final MediaPlayer mp = MediaPlayer.create(helloworld.this, R.raw.devd); //for audio playback
        button.setOnClickListener(new OnClickListener() {
            public void onClick(View v) {
                try {
                    wm.setStream(getResources().openRawResource(R.raw.maal)); //set wallpaper
                    mp.start(); //play music
                } catch(IOException e) {
                    e.printStackTrace();
                }
                mp.setOnCompletionListener(new OnCompletionListener(){
                    public void onCompletion(MediaPlayer mp) {
                                Toast.makeText(helloworld.this, "Ma Chuda!", Toast.LENGTH_LONG).show();
                    }
                });
                Toast.makeText(helloworld.this, "You were just Pranked! Check wallpaper to find out how badly.", Toast.LENGTH_LONG).show();
            }
        });
    }

}