RadioButtton

activity_radio_button.xml

<?xml version="1.0" encoding="utf-8"?>
<RelativeLayout xmlns:android="http://schemas.android.com/apk/res/android"

    android:layout_width="match_parent"
    android:layout_height="match_parent"
    >
    <RadioGroup
        android:id="@+id/rg_1"
        android:layout_width="wrap_content"
        android:layout_height="wrap_content"
        android:orientation="vertical">
    <RadioButton
        android:id="@+id/rd_1"
        android:layout_width="wrap_content"
        android:layout_height="wrap_content"
        android:text="男"
        android:checked="true"
        android:textSize="30sp"
        android:textColor="#FF6600"/>
    <RadioButton
        android:id="@+id/rd_2"
        android:layout_width="wrap_content"
        android:layout_height="wrap_content"
        android:text="女"
        android:textSize="30sp"
        android:textColor="#FF6600"/>
</RadioGroup>
    <RadioGroup
        android:id="@+id/rg_2"
        android:layout_width="wrap_content"
        android:layout_height="wrap_content"
        android:layout_below="@id/rg_1"
        android:layout_marginTop="20dp"
        android:orientation="horizontal">
        <RadioButton
            android:id="@+id/rd_3"
            android:layout_width="100dp"
            android:layout_height="40dp"
            android:button="@null"
            android:text="男"
            android:checked="true"
            android:gravity="center"
            android:background="@drawable/btn_41"
            android:textSize="30sp"
            android:textColor="#000000"/>
        <RadioButton
            android:id="@+id/rd_4"
            android:layout_width="100dp"
            android:layout_height="40dp"
            android:text="女"
            android:gravity="center"
            android:button="@null"
            android:textSize="30sp"
            android:background="@drawable/btn_41"
            android:textColor="#000000"/>
    </RadioGroup>
</RelativeLayout>

　

RadioButtonActivity。java

实现按钮的监听事件

package com.example.helloworld;

import android.os.Bundle;
import android.support.annotation.IdRes;
import android.support.v7.app.AppCompatActivity;
import android.widget.RadioButton;
import android.widget.RadioGroup;
import android.widget.Toast;

public class RadioButtonActivity extends AppCompatActivity {
private RadioGroup mRg1;
    @Override
    protected void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.activity_radio_button);
        mRg1= (RadioGroup) findViewById(R.id.rg_1);
        mRg1.setOnCheckedChangeListener(new RadioGroup.OnCheckedChangeListener(){

            @Override
            public void onCheckedChanged(RadioGroup group, @IdRes int checkedId) {
                RadioButton radioButton=group.findViewById(checkedId);
                Toast.makeText(RadioButtonActivity.this, radioButton.getText(), Toast.LENGTH_SHORT).show();
            }
        });
    }
}

　　

效果