利用Button监听事件进行页面转化

package lvjian.activity;

import android.app.Activity;
import android.os.Bundle;
import android.view.View;
import android.widget.Button;

public class Ex03_08Activity extends Activity {

/** Called when the activity is first created. */
@Override
public void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.main);

Button button1 = (Button) findViewById(R.id.button1);
button1.setOnClickListener(new Button.OnClickListener() {

public void onClick(View v) {

jumptolayout2();
}

});

}

public void jumptolayout2() {
setContentView(R.layout.mylayout);
Button button2 = (Button) findViewById(R.id.button2);
button2.setOnClickListener(new Button.OnClickListener() {

public void onClick(View v) {
// TODO Auto-generated method stub
jumptolayout1();
}

});

}

public void jumptolayout1() {
setContentView(R.layout.main);
Button button1 = (Button) findViewById(R.id.button1);
button1.setOnClickListener(new Button.OnClickListener() {

public void onClick(View v) {

jumptolayout2();
}

});

}
}