salve
stavo cercando di seguire la guida per android e mi sono bloccato qui:

http://www.html.it/pag/19516/gestion...mo-con-i-form/

ho creato il file HelloLinear.java con il seguente codice
codice:
package com.example.hellolinear;
import android.app.Activity;
import android.content.Intent;
import android.os.Bundle;
import android.view.View;
import android.view.View.OnClickListener;
import android.widget.Button;
import android.widget.EditText;
public class HelloLinear extends Activity implements OnClickListener {
    /** Called when the activity is first created. */
    @Override
    public void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.main);
        final Button button = (Button) findViewById(R.id.form_button);
        button.setOnClickListener(this);
    }
    @Override
    public void onClick(View v) {
        // TODO Auto-generated method stub
        switch ( v.getId() ) {
            case R.id.form_button:
            final EditText edit_name = (EditText)findViewById(R.id.edit_name);
            final EditText edit_lastname = (EditText)findViewById(R.id.edit_lastname);
            Bundle bundle = new Bundle();
            bundle.putString("name", edit_name.getText().toString());
            bundle.putString("lastname", edit_lastname.getText().toString());
            Intent form_intent = new Intent(getApplicationContext(), Form.class);
            form_intent.putExtras(bundle);
            startActivity(form_intent);
            break;
        }
    }
}
il file Form.java con questo codice
codice:
package com.example.hellolinear;
import android.app.Activity;
import android.os.Bundle;
import android.widget.TextView;
public class Form extends Activity {
        /** Called when the activity is first created. */
        @Override
        public void onCreate(Bundle savedInstanceState) {
            super.onCreate(savedInstanceState);
            setContentView(R.layout.form);
            final TextView text_name = (TextView) findViewById(R.id.view_name);
            final TextView text_lastname = (TextView) findViewById(R.id.view_lastname);
            Bundle bundle = this.getIntent().getExtras();
            text_name.setText(bundle.getString("name"));
            text_lastname.setText(bundle.getString("lastname"));
        }
    }
e il form.xml e main.xml come da indicazioni
ma se faccio partire l'emulatore mi da errore...

è un intero pomeriggio che non riesco a capire perche....
mi date una mano??