安卓复选框(Checkbox)

●设置复选框的Check状态的时候，调用setChecked()方法

●追加Android复选框被选择时处理的时候，

1.调用setOnCheckedChangeListener()方法，并把CompoundButton.OnCheckedChangeListener实例作为参数传入

2.在CompoundButton.OnCheckedChangeListener的onCheckedChanged()方法里，取得被选中Android复选框的实例

xml布局文件：

<?xml version="1.0" encoding="utf-8"?><LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"    android:layout_width="fill_parent"    android:layout_height="fill_parent"    android:background="@drawable/background2"    android:orientation="horizontal" >    <TextView        android:layout_width="wrap_content"        android:layout_height="wrap_content"        android:text="爱好" />    <CheckBox        android:id="@+id/box1"        android:layout_width="wrap_content"        android:layout_height="wrap_content"        android:text="足球" >    </CheckBox>    <CheckBox        android:id="@+id/box2"        android:layout_width="wrap_content"        android:layout_height="wrap_content"        android:text="篮球" >    </CheckBox>    <CheckBox        android:id="@+id/box3"        android:layout_width="wrap_content"        android:layout_height="wrap_content"        t=""        android:text="排球" >    </CheckBox>    <Button        android:id="@+id/button1"        android:layout_width="wrap_content"        android:layout_height="wrap_content"        android:text="选择" /></LinearLayout>

java代码:

package com.xzy.demo.checkbox;import android.app.Activity;import android.os.Bundle;import android.view.View;import android.view.View.OnClickListener;import android.widget.Button;import android.widget.CheckBox;import android.widget.CompoundButton;import android.widget.CompoundButton.OnCheckedChangeListener;import android.widget.Toast;public class CheckedBoxActivity extends Activity {private CheckBox box1;private CheckBox box2;private CheckBox box3;private Button button;@Overridepublic void onCreate(Bundle savedInstanceState) {super.onCreate(savedInstanceState);setContentView(R.layout.main);box1 = (CheckBox) findViewById(R.id.box1);box2 = (CheckBox) findViewById(R.id.box2);box3 = (CheckBox) findViewById(R.id.box3);button = (Button) findViewById(R.id.button1);// 复选框被选中的事件OnCheckedChangeListener listener = new OnCheckedChangeListener() {// 表示被选中的复选框和是否被选中public void onCheckedChanged(CompoundButton buttonView,boolean isChecked) {if (isChecked) {Toast.makeText(CheckedBoxActivity.this,buttonView.getText(), 3000).show();}}};// 为box按钮组绑定监听事件box1.setOnCheckedChangeListener(listener);box2.setOnCheckedChangeListener(listener);box3.setOnCheckedChangeListener(listener);// 按钮点击事件button.setOnClickListener(new OnClickListener() {public void onClick(View v) {String text = "";if (box1.isChecked()) {text += box1.getText();}if (box2.isChecked()) {text += box2.getText();}if (box3.isChecked()) {text += box3.getText();}Toast.makeText(CheckedBoxActivity.this, text, 3000).show();}});}}

截图：

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