Activity2.java

package org.francho.unutopia_android.activity;

import android.app.Activity;
import android.content.Context;
import android.content.Intent;
import android.os.Bundle;
import android.view.View;
import android.view.View.OnClickListener;
import android.widget.Button;
import android.widget.Toast;

public class Activity2 extends Activity implements OnClickListener {

	@Override
	protected void onCreate(Bundle savedInstanceState) {
		super.onCreate(savedInstanceState);
		
		setContentView(R.layout.activity2);
		
		Button btn = (Button) findViewById(R.id.button1);
		btn.setOnClickListener(this);
	}
	
	

	@Override
	protected void onStart() {
		super.onStart();
		
		String text = getIntent().getStringExtra("EXTRA_TEXTO");
		
		Toast toast = Toast.makeText(this, text, Toast.LENGTH_LONG);
		toast.show();
		
		
		
	}



	@Override
	public void onClick(View v) {
		switch(v.getId()) {
		case R.id.button1:
			Context context = this;
			Intent intent = new Intent(context, MainActivity.class);
			startActivity(intent);
			break;
		}
		
	}

	 
}