Android Example 1

gistfile1.txt

package com.area51.proyects.papphelloworld;

import android.os.Bundle;
import android.app.Activity;
import android.util.Log;
import android.view.Menu;
import android.view.View;
import android.view.View.OnClickListener;
import android.widget.Button;
import android.widget.Toast;

public class MainActivity extends Activity implements OnClickListener{

  private Button btn1;
    @Override
    protected void onCreate(Bundle savedInstanceState) 
    {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.activity_main);
        app();
    }


    private void app() {
		// TODO Auto-generated method stub
		//inicializar variables
    	
    	btn1=(Button)findViewById(R.id.button1);
    	//events
    	btn1.setOnClickListener(this);
    	
	}


	@Override
    public boolean onCreateOptionsMenu(Menu menu) {
        // Inflate the menu; this adds items to the action bar if it is present.
        getMenuInflater().inflate(R.menu.main, menu);
        return true;
    }


	@Override
	public void onClick(View v) {
		// TODO Auto-generated method stub
		switch (v.getId()) 
		{
			case R.id.button1:
					Log.v("console", "click");
					Toast.makeText(this, "Click", Toast.LENGTH_LONG).show();
					
				break;
	
			default:
				break;
		}
	}
    
}