Radio Button
MainActivity -
package com.example.radiobutton;
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.TextView;
import android.widget.Toast;
public class MainActivity extends AppCompatActivity {
RadioGroup radioGroup;
RadioButton radioButton;
TextView textView;
Button button;
@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_main);
radioGroup=findViewById(R.id.groupradio);
textView=findViewById(R.id.txtradio);
button=findViewById(R.id.btnapply);
button.setOnClickListener(new View.OnClickListener() {
@Override
public void onClick(View v) {
int radioId = radioGroup.getCheckedRadioButtonId();
radioButton = findViewById(radioId);
textView.setText("Your Choice :"+radioButton.getText());
}
});
}
public void checkButton(View view) {
int radioId = radioGroup.getCheckedRadioButtonId();
radioButton = findViewById(radioId);
Toast.makeText(this,"Selected Radio Button :"+radioButton.getText(),Toast.LENGTH_SHORT).show();
}
}
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activity_main -
<?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"
android:orientation="vertical"
android:gravity="center"
tools:context=".MainActivity">
<TextView
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:text="Select Gender"
android:textSize="45sp"/>
<LinearLayout
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:gravity="center"
android:layout_marginTop="25dp">
<RadioGroup
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:id="@+id/groupradio">
<RadioButton
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:id="@+id/radiomale"
android:text="Male"
android:onClick="checkButton"/>
<RadioButton
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:id="@+id/radiofemale"
android:text="Female"
android:onClick="checkButton"/>
<RadioButton
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:id="@+id/radioother"
android:text="Other"
android:onClick="checkButton"/>
</RadioGroup>
</LinearLayout>
<TextView
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:id="@+id/txtradio"
android:layout_marginTop="27dp"
android:text="Your Selection :"
android:textSize="20sp"
/>
<Button
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:text="Apply"
android:id="@+id/btnapply"
android:layout_marginTop="45dp"/>
</LinearLayout>
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AndroidManifest -
<?xml version="1.0" encoding="utf-8"?>
<manifest xmlns:android="http://schemas.android.com/apk/res/android"
package="com.example.radiobutton">
<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">
<activity android:name=".MainActivity">
<intent-filter>
<action android:name="android.intent.action.MAIN" />
<category android:name="android.intent.category.LAUNCHER" />
</intent-filter>
</activity>
</application>
</manifest>
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