widget radio button

source code untuk membuat radio button

1. untuk file xml

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

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

     android:orientation="vertical" android:layout_width="fill_parent"

     android:layout_height="fill_parent">

     <TextView android:layout_width="fill_parent"

           android:layout_height="wrap_content"

           android:text="Hobi yang diminati :"></TextView>

     <RadioGroup android:id="@+id/rBtnGrp"

           android:layout_width="wrap_content"

           android:layout_height="wrap_content"

           android:orientation="vertical">

       <RadioButton android:id="@+id/bacaRBtn" android:text="Membaca"

           android:layout_width="wrap_content"                        

           android:layout_height="wrap_content" />

       <RadioButton android:id="@+id/nulisRBtn" android:text="Menulis"

           android:layout_width="wrap_content"

           android:layout_height="wrap_content" />

       <RadioButton android:id="@+id/nontonRBtn" android:text="Menonton"

           android:layout_width="wrap_content"                  

           android:layout_height="wrap_content" />

       <RadioButton android:id="@+id/lainRBtn" android:text="lainnya"

           android:layout_width="wrap_content"                  

           android:layout_height="wrap_content" />

     </RadioGroup>

</LinearLayout>

2. untuk file java 

  

package app.seamolec.zelviarb;

import android.app.Activity;

import android.os.Bundle;

import android.widget.RadioButton;

import android.widget.RadioGroup;

public class ZelviaradiobuttonActivity extends Activity {

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

    @Override

    public void onCreate(Bundle savedInstanceState) {

        super.onCreate(savedInstanceState);

        setContentView(R.layout.main);

       

       RadioGroup rdgrp = (RadioGroup)findViewById(R.id.rBtnGrp);

        RadioButton newRadioBtn = new RadioButton(this);

        newRadioBtn.setText("Traveling");

        rdgrp.addView(newRadioBtn);

        newRadioBtn.setChecked(true);

    }

}