EXPERIMENT 12 - DIPLOMA
Hello !! So today you are going to learn Android Studio code/program for RadioButton and Radio group. In this we will make own customized android application in java
I have attached a XML, Java and Manifest file as well. There are many other Android Studio, C++, etc related programs on our blog do check the as well !!
Android | How to add Radio Buttons in an Android Application?
XML code for RadioButton:-
<?xml version="1.0" encoding="utf-8"?>
<LinearLayout
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=".MainActivity"
android:orientation="vertical">
<TextView
android:id="@+id/textView1"
android:layout_width="fill_parent"
android:layout_height="wrap_content"
android:layout_marginTop="30dp"
android:gravity="center_horizontal"
android:textSize="22dp"
android:text="Single Radio Buttons" />
<!-- Default RadioButtons -->
<RadioButton
android:id="@+id/radioButton1"
android:layout_width="fill_parent"
android:layout_height="wrap_content"
android:layout_gravity="center_horizontal"
android:text="Radio Button 1"
android:layout_marginTop="20dp"
android:textSize="20dp" />
<RadioButton
android:id="@+id/radioButton2"
android:layout_width="fill_parent"
android:layout_height="wrap_content"
android:text="Radio Button 2"
android:layout_marginTop="10dp"
android:textSize="20dp" />
<View
android:layout_width="fill_parent"
android:layout_height="1dp"
android:layout_marginTop="20dp"
android:background="#B8B894" />
<TextView
android:id="@+id/textView2"
android:layout_width="fill_parent"
android:layout_height="wrap_content"
android:layout_marginTop="30dp"
android:gravity="center_horizontal"
android:textSize="22dp"
android:text="Radio button inside RadioGroup" />
<!-- Customized RadioButtons -->
<RadioGroup
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:id="@+id/radioGroup">
<RadioButton
android:id="@+id/radioMale"
android:layout_width="fill_parent"
android:layout_height="wrap_content"
android:text=" Male"
android:layout_marginTop="10dp"
android:checked="false"
android:textSize="20dp" />
<RadioButton
android:id="@+id/radioFemale"
android:layout_width="fill_parent"
android:layout_height="wrap_content"
android:text=" Female"
android:layout_marginTop="20dp"
android:checked="false"
android:textSize="20dp" />
</RadioGroup>
<Button
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:text="Show Selected"
android:id="@+id/button"
android:onClick="onclickbuttonMethod"
android:layout_gravity="center_horizontal" />
</LinearLayout>
JAVA code for RADIO Button :-
package com.example.myapplication;
import androidx.appcompat.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.Toast;
public class MainActivity extends AppCompatActivity {
Button button;
RadioButton genderradioButton;
RadioGroup radioGroup;
@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_main)
radioGroup=(RadioGroup)findViewById(R.id.radioGroup);
}
public void onclickbuttonMethod(View v){
int selectedId = radioGroup.getCheckedRadioButtonId();
genderradioButton = (RadioButton) findViewById(selectedId);
if(selectedId==-1){
Toast.makeText(MainActivity.this,"Nothing selected", Toast.LENGTH_SHORT).show();
}
else{
Toast.makeText(MainActivity.this,genderradioButton.getText(), Toast.LENGTH_SHORT).show();
}
}
}
Android Radio button source code
Programs:-
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