I have create two XML file. one for Radio Buttons Background selector and second for Radio Buttons text color selector.
1. Create One XML file in "res/drawable/rbtn_selector.xml" add below XML code for Radio Button background.
<?xml version="1.0" encoding="utf-8"?>
<selector xmlns:android="http://schemas.android.com/apk/res/android">
<item android:state_checked="true"><shape>
<solid android:color="#1c5fab" />
<stroke android:width="1dp" android:color="#1c5fab" />
</shape></item>
<item android:state_checked="false"><shape android:shape="rectangle">
<solid android:color="#ffffff" />
<stroke android:width="1dp" android:color="#1c5fab" />
</shape></item>
</selector>
Note : If we have custom background PNG images for radio Button background then create Selector like below(Put your images in "res/drawable" folder). <?xml version="1.0" encoding="utf-8"?>
<selector xmlns:android="http://schemas.android.com/apk/res/android">
<item android:drawable="@drawable/bg_radio_button_checked" android:state_checked="true"/>
<item android:drawable="@drawable/bg_radio_button_unchecked" android:state_checked="false"/>
</selector>
2. Create One XML file in "res/drawable/rbtn_textcolor_selector.xml" add below XML code for Radio Buttons Text selector color.(Text Color Selector xml file)
<?xml version="1.0" encoding="utf-8"?>
<selector xmlns:android="http://schemas.android.com/apk/res/android">
<item android:state_checked="true" android:color="#ffffffff"/>
<item android:color="#ff1c5fab"/>
</selector>
3. create XML file in layout folder "res/layout/activity_customradiobutton.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="vertical"
android:paddingTop="10dp" >
<RadioGroup
android:id="@+id/radioGroup1"
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:layout_marginTop="10dp"
android:gravity="center"
android:orientation="horizontal" >
<RadioButton
android:id="@+id/radioAndroid"
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:layout_weight="1"
android:background="@drawable/rbtn_selector"
android:button="@null"
android:checked="true"
android:gravity="center"
android:padding="5dp"
android:text="Android"
android:textColor="@drawable/rbtn_textcolor_selector" />
<RadioButton
android:id="@+id/radioiPhone"
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:layout_weight="1"
android:background="@drawable/rbtn_selector"
android:button="@null"
android:gravity="center"
android:padding="5dp"
android:text="iPhone"
android:textColor="@drawable/rbtn_textcolor_selector" />
<RadioButton
android:id="@+id/radioWindows"
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:layout_weight="1"
android:background="@drawable/rbtn_selector"
android:button="@null"
android:gravity="center"
android:padding="5dp"
android:text="Windows"
android:textColor="@drawable/rbtn_textcolor_selector" />
</RadioGroup>
</LinearLayout>
4. Create on activity java file "CustomRadioButtonActivity.java"I have use setOnCheckedChangeListener for a callback to be invoked when the checked radio button changed in this group.
import android.app.Activity;
import android.os.Bundle;
import android.widget.RadioGroup;
import android.widget.RadioGroup.OnCheckedChangeListener;
import android.widget.Toast;
public class CustomRadioButtonActivity extends Activity
{
private RadioGroup radioGroup1;
@Override
protected void onCreate(Bundle savedInstanceState)
{
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_customradiobutton);
radioGroup1 = (RadioGroup) findViewById(R.id.radioGroup1);
// Checked change Listener for RadioGroup 1
radioGroup1.setOnCheckedChangeListener(new OnCheckedChangeListener()
{
@Override
public void onCheckedChanged(RadioGroup group, int checkedId)
{
switch (checkedId)
{
case R.id.radioAndroid:
Toast.makeText(getApplicationContext(), "Android RadioButton checked", Toast.LENGTH_SHORT).show();
break;
case R.id.radioiPhone:
Toast.makeText(getApplicationContext(), "iPhone RadioButton checked", Toast.LENGTH_SHORT).show();
break;
case R.id.radioWindows:
Toast.makeText(getApplicationContext(), "windows RadioButton checked", Toast.LENGTH_SHORT).show();
break;
default:
break;
}
}
});
}
}
5. Add your activity class in AndroidManifest.xml file
<?xml version="1.0" encoding="utf-8"?>
<manifest xmlns:android="http://schemas.android.com/apk/res/android"
package="com.limbani.masterapp"
android:versionCode="1"
android:versionName="1.0" >
<uses-sdk
android:minSdkVersion="8"
android:targetSdkVersion="19" />
<application
android:allowBackup="true"
android:icon="@drawable/ic_launcher"
android:label="@string/app_name"
android:theme="@style/AppTheme" >
<activity
android:name="com.limbani.masterapp.CustomRadioButtonActivity" >
<intent-filter>
<action android:name="android.intent.action.MAIN" />
<category android:name="android.intent.category.LAUNCHER" />
</intent-filter>
</activity>
</application>
</manifest>
Doanload Sample Hereenjoy :)
Thank you.

