android radio group example

in this Tutorial, today Learn android radio group example follow the example android radio group example.

1.Open Android Studio And Click New Project:

2.Click Empty Activity and click Next:

3.Rename Application Name and package Name after Click Finsih.

1.Radio_Activity.Java:

package com.akash.myapplication.radiogroup;

import android.app.Activity;

import android.graphics.Typeface;

import android.os.Bundle;

import android.renderscript.Type;

import android.view.Gravity;

import android.view.View;

import android.widget.Button;

import android.widget.EditText;

import android.widget.RadioGroup;

import android.widget.RadioGroup.OnCheckedChangeListener;

import android.widget.TextView;

import com.akash.myapplication.R;

public class Radio_Activity extends Activity implements OnCheckedChangeListener {

TextView textout;

EditText textin;

RadioGroup styleG, gravityG;

Button gen;

@Override

protected void onCreate(Bundle savedInstanceState) {

// TODO Auto-generated method stub

super.onCreate(savedInstanceState);

setContentView(R.layout.activity_radio_);

textout = (TextView) findViewById(R.id.tvChange);

textin = (EditText) findViewById(R.id.edittext1);

styleG = (RadioGroup) findViewById(R.id.rg11);

styleG.setOnCheckedChangeListener((OnCheckedChangeListener) this);

gravityG = (RadioGroup) findViewById(R.id.rg21);

gravityG.setOnCheckedChangeListener((OnCheckedChangeListener) this);// set us down @

// oncheckedChanged function

gen = (Button) findViewById(R.id.bGenerate);

gen.setOnClickListener(new View.OnClickListener() {

@Override

public void onClick(View v) {

// TODO Auto-generated method stub

textout.setText(textin.getText().toString());

}

});

}

@Override

public void onCheckedChanged(RadioGroup group, int checkedId) {

// TODO Auto-generated method stub

switch (checkedId) {

case R.id.rba:

textout.setGravity(Gravity.LEFT);

break;

case R.id.rbb:

textout.setGravity(Gravity.RIGHT);

break;

case R.id.rbc:

textout.setGravity(Gravity.CENTER);

break;

case R.id.rbd:

textout.setTypeface(Typeface.defaultFromStyle(Typeface.NORMAL),

Typeface.NORMAL);

break;

case R.id.rbe:

textout.setTypeface(Typeface.defaultFromStyle(Typeface.BOLD),

Typeface.BOLD);

break;

case R.id.rbf:

textout.setTypeface(Typeface.defaultFromStyle(Typeface.ITALIC),

Typeface.ITALIC);

break;

default:

break;

}

2.activity_radio_.xml:

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

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

android:layout_width="wrap_content"

android:layout_height="wrap_content"

android:orientation="vertical">

<EditText

android:id="@+id/edittext1"

android:layout_width="match_parent"

android:layout_height="wrap_content"

android:text=" " />

<LinearLayout

android:layout_width="match_parent"

android:layout_height="wrap_content"

android:orientation="horizontal"

android:paddingBottom="40px"

android:paddingTop="40px"

android:weightSum="2" >

<TextView

android:id="@+id/tvstyle"

android:layout_width="wrap_content"

android:layout_height="match_parent"

android:layout_weight="1"

android:paddingLeft="50px"

android:text="Text Style"

android:textAppearance="?android:attr/textAppearanceLarge" />

<TextView

android:id="@+id/tvchange"

android:layout_width="wrap_content"

android:layout_height="match_parent"

android:layout_weight="1"

android:gravity="center_horizontal"

android:paddingRight="40px"

android:text="Text Change"

android:textAppearance="?android:attr/textAppearanceLarge" />

</LinearLayout>

<LinearLayout

android:layout_width="match_parent"

android:layout_height="wrap_content"

android:orientation="horizontal"

android:paddingBottom="40px"

android:weightSum="2" >

<RadioGroup

android:id="@+id/rg11"

android:layout_width="wrap_content"

android:layout_height="match_parent"

android:layout_weight="1"

android:orientation="vertical" >

<RadioButton

android:id="@+id/rba"

android:layout_width="wrap_content"

android:layout_height="wrap_content"

android:text="A" />

<RadioButton

android:id="@+id/rbb"

android:layout_width="wrap_content"

android:layout_height="wrap_content"

android:text="B" />

<RadioButton

android:id="@+id/rbc"

android:layout_width="wrap_content"

android:layout_height="wrap_content"

android:text="C" />

</RadioGroup>

<RadioGroup

android:id="@+id/rg21"

android:layout_width="wrap_content"

android:layout_height="match_parent"

android:layout_weight="1"

android:orientation="vertical"

android:paddingLeft="70px" >

<RadioButton

android:id="@+id/rbd"

android:layout_width="wrap_content"

android:layout_height="wrap_content"

android:text="D" />

<RadioButton

android:id="@+id/rbe"

android:layout_width="wrap_content"

android:layout_height="wrap_content"

android:text="E" />

<RadioButton

android:id="@+id/rbf"

android:layout_width="wrap_content"

android:layout_height="wrap_content"

android:text="F" />

</RadioGroup>

</LinearLayout>

<TextView

android:id="@+id/tvChange"

android:layout_width="match_parent"

android:layout_height="wrap_content"

android:paddingLeft="40px"

android:text="Press Button"

android:textAppearance="?android:attr/textAppearanceLarge" />

<Button

android:id="@+id/bGenerate"

android:layout_width="308dp"

android:layout_height="wrap_content"

android:text="Click" />

</LinearLayout>

3.AndroidManifest.xml:

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

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

package="com.akash.myapplication">

<application

android:allowBackup="true"

android:icon="@mipmap/ic_launcher"

android:label="@string/app_name"

android:roundIcon="@mipmap/ic_launcher_round"

android:supportsRtl="true"

android:theme="@style/AppTheme">

<intent-filter>

</intent-filter>

</activity>

</application>

</manifest>

4.strings.xml:

<string name="app_name">android radiogroup example</string>

</resources>

5.colors.xml:

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

</resources>

Android Tutorial

Thursday, 18 March 2021

android radio group example