How to customize Radio Button icon in Android

In this android programming source code example, we are going to customize Radio Button icon in Android.

You can copy and adopt this source code example to your android project without reinventing the wheel.

Below is a step by step source code to customize Radio Button icon in Android.

activity_main.xml

<?xml version="1.0" encoding="utf-8"?>
<LinearLayout
    android:orientation="vertical" xmlns:android="http://schemas.android.com/apk/res/android"
    xmlns:app="http://schemas.android.com/apk/res-auto"
    xmlns:tools="http://schemas.android.com/tools"
    android:layout_width="match_parent"
    android:layout_height="match_parent"
    tools:context=".radiobutton.RadioButton3"
    android:layout_margin="10dp">

    <TextView
        android:id="@+id/textView25"
        android:layout_width="match_parent"
        android:layout_height="wrap_content"
        android:text="RadioButton with different icon" />

    <RadioButton
        android:paddingLeft="5dp"
        android:button="@android:drawable/button_onoff_indicator_off"
        android:id="@+id/radioButton"
        android:layout_width="match_parent"
        android:layout_height="wrap_content"
        android:text="RadioButton1" />

    <RadioButton
        android:paddingLeft="5dp"
        android:button="@android:drawable/button_onoff_indicator_on"
        android:id="@+id/radioButton2"
        android:layout_width="match_parent"
        android:layout_height="wrap_content"
        android:text="RadioButton2" />

</LinearLayout>

MainActivity.java

import android.os.Bundle;
import android.support.v7.app.AppCompatActivity;


public class RadioButton3 extends AppCompatActivity {

    @Override
    protected void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.activity_radio_button3);
    }
}

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