多排radiobutton单选

3排radiobutton分别用3个radiogroup包含：
布局如下：
  <RelativeLayout xmlns:android="http://schemas.android.com/apk/res/android"
  
    android:layout_width="match_parent"
    android:layout_height="match_parent"
     >
   <LinearLayout
                       
                        android:layout_width="fill_parent"
                        android:layout_height="wrap_content"
                        android:layout_marginLeft="10dip"
                     android:layout_marginRight="10dip"
                     android:orientation="horizontal"
                    
                     android:visibility="visible"
                    
                        >
                <RadioGroup
                     android:id="@+id/rg_trip_type_group1"
                       
                        android:layout_marginLeft="10dip"
                        android:layout_marginTop="5dip"
                        android:layout_marginBottom="5dip"
                        android:layout_width="wrap_content"
                        android:layout_height="wrap_content"
                        android:orientation="vertical"
                       
                         >
                       
                        <RadioButton
                            android:id="@+id/radioButton1"
                            android:layout_width="wrap_content"
android:layout_height="wrap_content"
                            android:text="1"
                           
                           
                             style="@style/RadioButtonStyles"
                            android:textSize="12sp" />
                        <RadioButton
                            android:id="@+id/radioButton2"
                            android:layout_width="wrap_content"
                            android:layout_height="wrap_content"
                            android:text="2"
                            
                           
                            style="@style/RadioButtonStyles"
                            android:textSize="12sp"
                             />
                        <RadioButton
                            android:id="@+id/radioButton3"
                            android:layout_width="wrap_content"
                            android:layout_height="wrap_content"
                            android:text="3"
                            
                           
                             style="@style/RadioButtonStyles"
                            android:textSize="12sp"
                             />
     
                   
                    </RadioGroup>
                <RadioGroup
                     android:id="@+id/rg_trip_type_group2"
                       
                        android:layout_marginLeft="20dip"
                         android:layout_marginTop="5dip"
                        android:layout_marginBottom="5dip"
                        android:layout_width="wrap_content"
                        android:layout_height="wrap_content"
                        android:orientation="vertical"
                       
                         >
                       
                        <RadioButton
                            android:id="@+id/radioButton4"
                            android:layout_width="wrap_content"
                            android:layout_height="wrap_content"
                           
                            android:text="4"
                           
                           
                             style="@style/RadioButtonStyles"
                            android:textSize="12sp" />
                        <RadioButton
                            android:id="@+id/radioButton5"
                            android:layout_width="wrap_content"
                            android:layout_height="wrap_content"
                            android:text="5"
                           
                          
                             style="@style/RadioButtonStyles"
                            android:textSize="12sp"
                             />
                        <RadioButton
                            android:id="@+id/radioButton6"
                            android:layout_width="wrap_content"
                            android:layout_height="wrap_content"
                            android:text="6"
                           
                           
                            style="@style/RadioButtonStyles"
                            android:textSize="12sp"
                           
                             />
     
                   
                    </RadioGroup>
                <RadioGroup
                     android:id="@+id/rg_trip_type_group3"
                       
                        android:layout_marginLeft="20dip"
                         android:layout_marginTop="5dip"
                        android:layout_marginBottom="5dip"
                        android:layout_width="wrap_content"
                        android:layout_height="wrap_content"
                        android:orientation="vertical"
                       
                         >
                       
                        <RadioButton
                            android:id="@+id/radioButton7"
                            android:layout_width="wrap_content"
                            android:layout_height="wrap_content"
                            android:text="7"
                           
                           
                             style="@style/RadioButtonStyles"
                            android:textSize="12sp" />
                        <RadioButton
                            android:id="@+id/radioButton8"
                            android:layout_width="wrap_content"
                            android:layout_height="wrap_content"
                            android:text="8"
                           
                           
                            style="@style/RadioButtonStyles"
                            android:textSize="12sp"
                             />
                        <RadioButton
                            android:id="@+id/radioButton9"
                            android:layout_width="wrap_content"
                            android:layout_height="wrap_content"
                            android:text="9"
                             style="@style/RadioButtonStyles"
                            android:textSize="12sp"
                             />
     
                   
                    </RadioGroup>
                    </LinearLayout>
</RelativeLayout>


activity代码如下：

package com.example.exradiobuttondemo;


import android.os.Bundle;
import android.app.Activity;
import android.util.Log;
import android.view.Menu;
import android.widget.RadioButton;
import android.widget.RadioGroup;
import android.widget.RadioGroup.OnCheckedChangeListener;
public class MainActivity extends Activity {
RadioGroup rg,rg1,rg2;// 3个 radiogroup
RadioButton rbtn_type1,rbtn_type2,rbtn_type3,rbtn_type4,rbtn_type5,
rbtn_type6,rbtn_type7,rbtn_type8,rbtn_type9;// 9个radiobutton
String str="raido文本内容";

@Override
protected void onCreate(Bundle savedInstanceState) {
  super.onCreate(savedInstanceState);
  setContentView(R.layout.activity_main);
  setUpView();
}
private void setUpView() {
  // TODO Auto-generated method stub
   // radiogroup
   rg=(RadioGroup) findViewById(R.id.rg_trip_type_group1);
   rg1=(RadioGroup) findViewById(R.id.rg_trip_type_group2);
   rg2=(RadioGroup) findViewById(R.id.rg_trip_type_group3);
   //radiobutton
   rbtn_type1=(RadioButton) findViewById(R.id.radioButton1);
   rbtn_type2=(RadioButton) findViewById(R.id.radioButton2);
   rbtn_type3=(RadioButton) findViewById(R.id.radioButton3);
   rbtn_type4=(RadioButton) findViewById(R.id.radioButton4);
   rbtn_type5=(RadioButton) findViewById(R.id.radioButton5);
   rbtn_type6=(RadioButton) findViewById(R.id.radioButton6);
   rbtn_type7=(RadioButton) findViewById(R.id.radioButton7);
    rbtn_type8=(RadioButton) findViewById(R.id.radioButton8);
   rbtn_type9=(RadioButton) findViewById(R.id.radioButton9);
  
   allListener();
  
}
private void allListener() {
  // TODO Auto-generated method stub
  //radiogroup-1监听事件
    rg.setOnCheckedChangeListener(new OnCheckedChangeListener() {
    
     @Override
     public void onCheckedChanged(RadioGroup group, int checkedId) {
     
      switch (group.getCheckedRadioButtonId()) {
      case R.id.radioButton1:
       rg1.clearCheck();
       rg2.clearCheck();
       group.check(R.id.radioButton1);
       str=(String) rbtn_type1.getText();
      
       break;
      case R.id.radioButton2:
       rg1.clearCheck();
       rg2.clearCheck();
       group.check(R.id.radioButton2);
       str=(String) rbtn_type2.getText();
      
       break;
      case R.id.radioButton3:
       rg1.clearCheck();
       rg2.clearCheck();
       group.check(R.id.radioButton3);
       str=(String) rbtn_type3.getText();
      
       break;
     
     
      default:
      
       break;
      }
     
     }
    
    });
    //radiogroup-2监听事件
    rg1.setOnCheckedChangeListener(new OnCheckedChangeListener() {
    
     @Override
     public void onCheckedChanged(RadioGroup group, int checkedId) {
      // TODO Auto-generated method stub
      switch (group.getCheckedRadioButtonId()) {
      case R.id.radioButton4:
       rg.clearCheck();
       rg2.clearCheck();
       group.check(R.id.radioButton4);
       str=(String) rbtn_type4.getText();
      
       break;
      case R.id.radioButton5:
       rg.clearCheck();
       rg2.clearCheck();
       group.check(R.id.radioButton5);
       str= rbtn_type5.getText().toString().trim();
      
       break;
      case R.id.radioButton6:
       rg.clearCheck();
       rg2.clearCheck();
       group.check(R.id.radioButton6);
       str= rbtn_type6.getText().toString().trim();
       break;
      default:
       break;
      }
     
     }
    });
    //radiogroup-3监听事件
    rg2.setOnCheckedChangeListener(new OnCheckedChangeListener() {
    
     @Override
     public void onCheckedChanged(RadioGroup group, int checkedId) {
      // TODO Auto-generated method stub
      switch (group.getCheckedRadioButtonId()) {
      case R.id.radioButton7:
       rg.clearCheck();
       rg1.clearCheck();
       group.check(R.id.radioButton7);
       str= rbtn_type7.getText().toString().trim();
       break;
      case R.id.radioButton8:
       rg.clearCheck();
       rg1.clearCheck();
       group.check(R.id.radioButton8);
       str= rbtn_type8.getText().toString().trim();
       break;
      case R.id.radioButton9:
       rg.clearCheck();
       rg1.clearCheck();
       group.check(R.id.radioButton9);
       str= rbtn_type9.getText().toString().trim();
       break;
      default:
       break;
      }
     
     }
    
    });
   
   
}

@Override
public boolean onCreateOptionsMenu(Menu menu) {
  // Inflate the menu; this adds items to the action bar if it is present.
  getMenuInflater().inflate(R.menu.main, menu);
  return true;
}
}

来源：oschina

链接：https://my.oschina.net/u/1402721/blog/182653