In this tutorial basic concepts of RadioButton control of Android is shown.<\/p>\n
Code:<\/p>\n
radio.xml<\/p>\n
<?xml version=”1.0″ encoding=”utf-8″?>
\n<RadioGroup xmlns:android=”http:\/\/schemas.android.com\/apk\/res\/android”
\nandroid:layout_width=”match_parent”
\nandroid:layout_height=”match_parent” ><\/p>\n
<TextView
\nandroid:id=”@+id\/textView1″
\nandroid:layout_width=”wrap_content”
\nandroid:layout_height=”wrap_content”
\nandroid:text=”Gender” \/><\/p>\n
<RadioGroup
\nandroid:id=”@+id\/radioGroup1″
\nandroid:layout_width=”wrap_content”
\nandroid:layout_height=”wrap_content” ><\/p>\n
<RadioButton
\nandroid:id=”@+id\/m”
\nandroid:layout_width=”wrap_content”
\nandroid:layout_height=”wrap_content”
\nandroid:checked=”true”
\nandroid:onClick=”onSelect”
\nandroid:text=”Male” \/><\/p>\n
<RadioButton
\nandroid:id=”@+id\/f”
\nandroid:layout_width=”wrap_content”
\nandroid:layout_height=”wrap_content”
\nandroid:onClick=”onSelect”
\nandroid:text=”Female” \/>
\n<\/RadioGroup><\/p>\n
<Button
\nandroid:id=”@+id\/b1″
\nandroid:layout_width=”wrap_content”
\nandroid:layout_height=”wrap_content”
\nandroid:onClick=”onSubmit”
\nandroid:text=”Submit” \/><\/p>\n
<TextView
\nandroid:id=”@+id\/t”
\nandroid:layout_width=”wrap_content”
\nandroid:layout_height=”wrap_content”
\nandroid:text=”TextView” \/><\/p>\n
<\/RadioGroup><\/p>\n
<\/p>\n
MainActivity.java<\/p>\n
package com.example.demo;<\/p>\n
import android.os.Bundle;
\nimport android.app.Activity;
\nimport android.view.Menu;
\nimport android.view.View;
\nimport android.widget.RadioButton;
\nimport android.widget.TextView;<\/p>\n
public class MainActivity extends Activity{<\/p>\n
TextView t;
\nString gen;<\/p>\n
@Override
\nprotected void onCreate(Bundle savedInstanceState) {
\nsuper.onCreate(savedInstanceState);
\nsetContentView(R.layout.radio);
\nt=(TextView)findViewById(R.id.t);
\n}<\/p>\n
public void onSelect(View v)
\n{
\nboolean op=((RadioButton)v).isChecked();
\nswitch(v.getId())
\n{
\ncase R.id.m:
\ngen=”Male”;
\nbreak;
\ncase R.id.f:
\ngen=”Female”;
\nbreak;
\n}
\n}<\/p>\n
public void onSubmit(View v)
\n{
\nt.setText(gen);
\n}
\n@Override
\npublic boolean onCreateOptionsMenu(Menu menu) {
\n\/\/ Inflate the menu; this adds items to the action bar if it is present.
\ngetMenuInflater().inflate(R.menu.main, menu);
\nreturn true;
\n}<\/p>\n
}<\/p>\n