UI RadioGroup (basic)

RadioGroupActivity.java

import android.app.Activity;
import android.os.Bundle;
import android.view.View;
import android.view.View.OnClickListener;
import android.widget.RadioButton;
import android.widget.TextView;

public class RadioGroupActivity extends Activity {
	/** Called when the activity is first created. */
	@Override
	public void onCreate(Bundle savedInstanceState) {
		super.onCreate(savedInstanceState);
		setContentView(R.layout.main);

		final TextView tv = (TextView) findViewById(R.id.textView);

		final OnClickListener radioListener = new OnClickListener() {
			@Override
			public void onClick(View v) {
				RadioButton rb = (RadioButton) v;
				tv.setText(rb.getText() + " chosen");
			}
		};
		final RadioButton choice1 = (RadioButton) findViewById(R.id.choice1);
		choice1.setOnClickListener(radioListener);

		final RadioButton choice2 = (RadioButton) findViewById(R.id.choice2);
		choice2.setOnClickListener(radioListener);

		final RadioButton choice3 = (RadioButton) findViewById(R.id.choice3);
		choice3.setOnClickListener(radioListener);

	}
}

import android.app.Activity;

import android.os.Bundle;

import android.view.View;

import android.view.View.OnClickListener;

import android.widget.RadioButton;

import android.widget.TextView;

public class RadioGroupActivity extends Activity {

/** Called when the activity is first created. */

@Override

public void onCreate(Bundle savedInstanceState) {

super.onCreate(savedInstanceState);

setContentView(R.layout.main);

final TextView tv = (TextView) findViewById(R.id.textView);

final OnClickListener radioListener = new OnClickListener() {

@Override

public void onClick(View v) {

RadioButton rb = (RadioButton) v;

tv.setText(rb.getText() + " chosen");

}

};

final RadioButton choice1 = (RadioButton) findViewById(R.id.choice1);

choice1.setOnClickListener(radioListener);

final RadioButton choice2 = (RadioButton) findViewById(R.id.choice2);

choice2.setOnClickListener(radioListener);

final RadioButton choice3 = (RadioButton) findViewById(R.id.choice3);

choice3.setOnClickListener(radioListener);

}

main.xml

<?xml version="1.0" encoding="utf-8"?>
<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
    android:layout_width="fill_parent"
    android:layout_height="fill_parent"
    android:orientation="vertical" >

    <TextView
        android:id="@+id/textView"
        android:layout_width="wrap_content"
        android:layout_height="wrap_content"
        android:text="No Choice Made"
        android:textSize="24sp" >
    </TextView>

    <RadioGroup
        android:layout_width="fill_parent"
        android:layout_height="wrap_content"
        android:orientation="vertical" >

        <RadioButton
            android:id="@+id/choice1"
            android:layout_width="wrap_content"
            android:layout_height="wrap_content"
            android:text="Choice 1"
            android:textSize="24sp" />

        <RadioButton
            android:id="@+id/choice2"
            android:layout_width="wrap_content"
            android:layout_height="wrap_content"
            android:text="Choice 2"
            android:textSize="24sp" />

        <RadioButton
            android:id="@+id/choice3"
            android:layout_width="wrap_content"
            android:layout_height="wrap_content"
            android:text="Choice 3"
            android:textSize="24sp" />
    </RadioGroup>

</LinearLayout>

<?xml version="1.0" encoding="utf-8"?>

<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"

android:layout_width="fill_parent"

android:layout_height="fill_parent"

android:orientation="vertical" >

<TextView

android:id="@+id/textView"

android:layout_width="wrap_content"