activity_main.xml
<?xml version="1.0" encoding="utf-8"?> <LinearLayout xmlns:android="http://schemas.android.com/apk/res/android" android:layout_width="match_parent" android:layout_height="match_parent" android:orientation="horizontal" > <RadioGroup android:id="@+id/radioGroup1" android:layout_width="wrap_content" android:layout_height="wrap_content" android:orientation="horizontal" > <RadioButton android:id="@+id/radio0" android:layout_width="wrap_content" android:layout_height="wrap_content" android:checked="true" android:text="男" /> <RadioButton android:id="@+id/radio1" android:layout_width="wrap_content" android:layout_height="wrap_content" android:text="女" /> </RadioGroup> </LinearLayout>
MainActivity.xml
package com.example.hello; import android.support.v7.app.ActionBarActivity; import android.widget.RadioGroup; import android.widget.Toast; import android.widget.RadioGroup.OnCheckedChangeListener; import android.os.Bundle; public class MainActivity extends ActionBarActivity implements OnCheckedChangeListener{ private RadioGroup rg; @Override protected void onCreate(Bundle savedInstanceState) { super.onCreate(savedInstanceState); setContentView(R.layout.activity_main); rg = (RadioGroup) findViewById(R.id.radioGroup1); rg.setOnCheckedChangeListener(this); } @Override public void onCheckedChanged(RadioGroup group, int checkedId) { switch(checkedId){ case R.id.radio0: Toast.makeText(MainActivity.this, "男", 1).show(); break; case R.id.radio1: Toast.makeText(MainActivity.this, "女", 1).show(); break; } } }
时间: 2024-11-05 16:12:27