Android基本组件04（CheckBox）

//ActivityCheckBox.java

package android.ActivityUI;

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

public class ActivityCheckBox extends Activity{
CheckBox Monday_id;
CheckBox Tuesday_id;
CheckBox Wednesday_id;
CheckBox Thursday_id;
CheckBox Friday_id;
CheckBox Saturday_id;
CheckBox Sunday_id;

public void onCreate(Bundle savedInstanceState){
super.onCreate(savedInstanceState);
setContentView(R.layout.check_box);
setTitle("CheckBox");
getChecked();
}

private void getChecked(){
Monday_id 		= (CheckBox)findViewById(R.id.id0);
Tuesday_id 	= (CheckBox)findViewById(R.id.id1);
Wednesday_id 	= (CheckBox)findViewById(R.id.id2);
Thursday_id 	= (CheckBox)findViewById(R.id.id3);
Friday_id 		= (CheckBox)findViewById(R.id.id4);
Saturday_id 	= (CheckBox)findViewById(R.id.id5);
Sunday_id 		= (CheckBox)findViewById(R.id.id6);

Button button_get_check = (Button)findViewById(R.id.button_get_check);
button_get_check.setOnClickListener(get_check_listener);
}

private Button.OnClickListener get_check_listener = new Button.OnClickListener(){
public void onClick(View v){
String checked = "";
if(Monday_id.isChecked()){
checked = checked + Monday_id.getText() + ";";
}
if(Tuesday_id.isChecked()){
checked = checked + Tuesday_id.getText() + ";";
}
if(Wednesday_id.isChecked()){
checked = checked + Wednesday_id.getText() + ";";
}
if(Thursday_id.isChecked()){
checked = checked + Thursday_id.getText() + ";";
}
if(Friday_id.isChecked()){
checked = checked + Friday_id.getText() + ";";
}
if(Saturday_id.isChecked()){
checked = checked + Saturday_id.getText() + ";";
}
if(Sunday_id.isChecked()){
checked = checked + Sunday_id.getText() + ";";
}
setTitle("checked:"+checked);
}
};

}

//check_box.xml

<?xml version="1.0" encoding="utf-8"?>
<LinearLayout
xmlns:android="http://schemas.android.com/apk/res/android"
android:orientation="vertical"
android:layout_width="fill_parent"
android:layout_height="fill_parent">

<CheckBox
android:id="@+id/id0"
android:text="Monday"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:textStyle="normal"
/>
<CheckBox
android:id="@+id/id1"
android:text="Tuesday"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
/>
<CheckBox
android:text="Wednesday"
android:id="@+id/id2"
android:layout_width="wrap_content"
android:layout_height="wrap_content">
</CheckBox>
<CheckBox
android:text="Thursday"
android:id="@+id/id3"
android:layout_width="wrap_content"
android:layout_height="wrap_content">
</CheckBox>
<CheckBox
android:text="Friday"
android:id="@+id/id4"
android:layout_width="wrap_content"
android:layout_height="wrap_content"></CheckBox>
<CheckBox
android:text="Saturday"
android:id="@+id/id5"
android:layout_width="wrap_content"
android:layout_height="wrap_content">
</CheckBox>
<CheckBox
android:text="Sunday"
android:id="@+id/id6"
android:layout_width="wrap_content"
android:layout_height="wrap_content">
</CheckBox>
<Button
android:text="get checked"
android:id="@+id/button_get_check"
android:layout_width="wrap_content"
android:layout_height="wrap_content">
</Button>

</LinearLayout>