android單選項框RadioGroup的綜合應用介紹

歡迎大家在這裡學習android單選項框RadioGroup的綜合應用!下面是我們給大家整理出來的精彩內容。希望大家在這裡學習!

string.xml:

<?xml version="1.0" encoding="utf-8"?>
<resources>
  <string name="hello">Hello World, RadioGroupDemo</string>
  <string name="app_name">RadioGroupDemo</string>
  <string name="tr_radio_op1">帥哥</string>
  <string name="tr_radio_op2">美女</string>
  <string name="str_radio_question1">請問你是？</string> 
</resources>

主布局main.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"
  >
  <!--第一個TextView -->
  <TextView
    android:id="@+id/myTextView"
    android:layout_width="228px"
    android:layout_height="49px"
    android:text="@string/str_radio_question1"
    android:textSize="30sp"    
  />   
  <!--建立一個RadioGroup -->
  <RadioGroup
    android:id="@+id/myRadioGroup"
    android:layout_width="137px"
    android:layout_height="216px"
    android:orientation="vertical"
    >
    <!--第一個RadioButton -->
    <RadioButton
      android:id="@+id/myRadioButton1"
      android:layout_width="wrap_content"
      android:layout_height="wrap_content"
      android:text="@string/tr_radio_op1"
    />
    <!--第二個RadioButton -->
    <RadioButton
      android:id="@+id/myRadioButton2"
      android:layout_width="wrap_content"
      android:layout_height="wrap_content"
      android:text="@string/tr_radio_op2"
    />
    </RadioGroup>     
</LinearLayout>

最後是主控制程序RadioGroupDemo.java:

package com.android.test;

import android.app.Activity;
import android.os.Bundle;
import android.widget.RadioButton;
import android.widget.RadioGroup;
import android.widget.TextView;

public class RadioGroupDemo extends Activity 
{
  public TextView mTextView1;
  public RadioGroup mRadioGroup1; 
  public RadioButton mRadio1,mRadio2; 
  
  public void onCreate(Bundle savedInstanceState) 
  { 
    super.onCreate(savedInstanceState); 
    setContentView(R.layout.main); 
     
    /*取得 TextView、RadioGroup、RadioButton對象*/
    mTextView1 = (TextView) findViewById(R.id.myTextView);
    mRadioGroup1 = (RadioGroup) findViewById(R.id.myRadioGroup);
    mRadio1 = (RadioButton) findViewById(R.id.myRadioButton1);
    mRadio2 = (RadioButton) findViewById(R.id.myRadioButton2); 
      
    /*RadioGroup用OnCheckedChan