How to create and handle Radio Button with button click

 

 Step01: First Create MainActivity.xml following this.

<?xml version="1.0" encoding="utf-8"?> <relativelayout xmlns:android="http://schemas.android.com/apk/res/android" xmlns:tools="http://schemas.android.com/tools" android:layout_width="match_parent" android:layout_height="match_parent" android:paddingBottom="@dimen/activity_vertical_margin" android:paddingLeft="@dimen/activity_horizontal_margin" android:paddingRight="@dimen/activity_horizontal_margin" android:paddingTop="@dimen/activity_vertical_margin" tools:context="com.example.rupom.radiobuttondemo.MainActivity"> <LinearLayout android:orientation="vertical" android:layout_width="match_parent" android:layout_height="match_parent"> <RadioGroup android:id="@+id/RadioGroupID" android:layout_width="match_parent" android:layout_height="wrap_content"> <RadioButton android:layout_width="wrap_content" android:layout_height="wrap_content" android:text="Male" android:id="@+id/RadioButton1ID" /> <RadioButton android:layout_width="wrap_content" android:layout_height="wrap_content" android:text="Female" android:id="@+id/RadioButton2ID" /> </RadioGroup> <Button android:id="@+id/SubmitButtonID" android:layout_width="wrap_content" android:layout_height="wrap_content" android:text="Submit"/> <TextView android:layout_width="wrap_content" android:layout_height="wrap_content" android:id="@+id/TextViewID"/> </LinearLayout> </RelativeLayout>

 Step02: First Create MainActivity.Java following this.

package com.example.rupom.radiobuttondemo; import android.support.v7.app.AppCompatActivity; import android.os.Bundle; import android.view.View; import android.widget.Button; import android.widget.RadioButton; import android.widget.RadioGroup; import android.widget.TextView; public class MainActivity extends AppCompatActivity { private Button SubmitButton; private RadioGroup RadioGroup1; private TextView TextView1; private RadioButton GenderButton; @Override protected void onCreate(Bundle savedInstanceState) { super.onCreate(savedInstanceState); setContentView(R.layout.activity_main); SubmitButton= (Button) findViewById(R.id.SubmitButtonID); RadioGroup1 =(RadioGroup) findViewById(R.id.RadioGroupID); TextView1=(TextView) findViewById(R.id.TextViewID); SubmitButton.setOnClickListener(new View.OnClickListener() { @Override public void onClick(View v) { int slectedID = RadioGroup1.getCheckedRadioButtonId(); GenderButton= (RadioButton) findViewById(slectedID); String value= GenderButton.getText().toString(); TextView1.setText(value); } }); } }