006CheckBox复选框的使用

<RelativeLayout xmlns:android="http://schemas.android.com/apk/res/android"
xmlns:tools="http://schemas.android.com/tools"
android:layout_width="match_parent"
android:layout_height="match_parent"
android:paddingBottom="@dimen/activity_vertical_margin"
android:paddingLeft="@dimen/activity_horizontal_margin"
android:paddingRight="@dimen/activity_horizontal_margin"
android:paddingTop="@dimen/activity_vertical_margin"
tools:context=".MainActivity" >

<TextView
android:id="@+id/textView1"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:text="选择爱好"
android:textSize="40px" />

<CheckBox
android:id="@+id/checkBox1"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_alignLeft="@+id/textView1"
android:layout_centerVertical="true"
android:onClick="onChecked"
android:text="上网" />

<CheckBox
android:id="@+id/checkBox2"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_above="@+id/checkBox1"
android:layout_alignParentLeft="true"
android:onClick="onChecked"
android:layout_marginBottom="54dp"
android:text="聊天" />

<CheckBox
android:id="@+id/checkBox3"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_above="@+id/checkBox2"
android:layout_alignParentLeft="true"
android:onClick="onChecked"
android:layout_marginBottom="14dp"
android:text="说话" />

<CheckBox
android:id="@+id/checkBox4"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_above="@+id/checkBox1"
android:layout_alignLeft="@+id/checkBox1"
android:onClick="onChecked"
android:text="游泳" />

</RelativeLayout>

/*
* CheckBox复选框
*
*/

package com.example.android006;

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

public class MainActivity extends Activity {

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

public void onChecked(View view) {
CheckBox ck = ((CheckBox) view);
boolean isCheck = ck.isChecked();
switch (view.getId()) {
case R.id.checkBox1:
if (isCheck) {
Toast.makeText(this, ck.getText().toString(), 1).show();
}

break;
case R.id.checkBox2:
if (isCheck) {
Toast.makeText(this, ck.getText().toString(), 1).show();
}

break;
case R.id.checkBox3:
if (isCheck) {
Toast.makeText(this, ck.getText().toString(), 1).show();
}

break;
case R.id.checkBox4:
if (isCheck) {
Toast.makeText(this, ck.getText().toString(), 1).show();
}

break;

default:
break;
}
}