android基礎三之CheckBox

標籤：android   checkbox   

//activity_main.xml

<LinearLayout 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"    tools:context="com.vincentlin.checkbox.MainActivity" >    <CheckBox        android:id="@+id/checkBox1"        android:layout_width="wrap_content"        android:layout_height="wrap_content"        android:text="@string/basketball" /></LinearLayout>

strings.xml

<?xml version="1.0" encoding="utf-8"?>
<resources>

    <string name="app_name">CheckBox</string>
    <string name="hello_world">Hello world!</string>
    <string name="action_settings">Settings</string>
    <string name="basketball">籃球</string>

</resources>

MainActivity.java

package com.vincentlin.checkbox;import android.app.Activity;import android.os.Bundle;import android.util.Log;import android.view.Menu;import android.view.MenuItem;import android.widget.CheckBox;import android.widget.CompoundButton;import android.widget.CompoundButton.OnCheckedChangeListener;public class MainActivity extends Activity { private CheckBox checkbox; @Override protected void onCreate(Bundle savedInstanceState) {  super.onCreate(savedInstanceState);  setContentView(R.layout.activity_main);  //初始化checkbox  checkbox = (CheckBox) findViewById(R.id.checkBox1);  //通過設定checkbox的監聽事件來對checkbox是不是被選中  checkbox.setOnCheckedChangeListener(new OnCheckedChangeListener() {      @Override   public void onCheckedChanged(CompoundButton buttonView, boolean isChecked) {    //通過onCheckedChanged來監聽當前的checkBox是否被選中    Log.i("tag", isChecked+"");    if (isChecked) {     //獲得checkBox的常值內容     String text = checkbox.getText().toString();     Log.i("tag", text);    }    }  }); }}

android基礎三之CheckBox