xml页面布局

java类:

package com.zgct.activity;

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

public class CheckBoxActivity extends Activity {
CheckBox plain_cb;
CheckBox serif_cb;
CheckBox italic_cb;
CheckBox bold_cb;

@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setTitle("CheckBoxActivity");
setContentView(R.layout.check_box);
find_and_modify_text_view();
}

private void find_and_modify_text_view(){
plain_cb = (CheckBox) findViewById(R.id.plain_cb);
serif_cb = (CheckBox) findViewById(R.id.serif_cb);
italic_cb = (CheckBox) findViewById(R.id.italic_cb);
bold_cb = (CheckBox) findViewById(R.id.bold_cb);

Button get_view_button = (Button)findViewById(R.id.get_view_button);
get_view_button.setOnClickListener(get_view_button_listener);
}

private Button.OnClickListener get_view_button_listener = new Button.OnClickListener(){
public void onClick(View v){
String r = "";
if(plain_cb.isChecked()){
r = r + "," + plain_cb.getText();
}
if(serif_cb.isChecked()){
r = r + "," + serif_cb.getText();
}
if(bold_cb.isChecked()){
r = r + "," + bold_cb.getText();
}
if(italic_cb.isChecked()){
r = r + "," + italic_cb.getText();
}
setTitle("Checked: " + r);
}
};
}