-: Practical 11 :-
Que. Write a program to show five checkboxes and toast selected checkbox
activity_main.xml
<?xml version="1.0" encoding="utf-8"?>
<RelativeLayout 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:id="@+id/main"
android:layout_width="match_parent"
android:layout_height="match_parent"
tools:context=".MainActivity">
<ImageView
android:layout_width="match_parent"
android:layout_height="match_parent"
android:scaleType="centerCrop"
android:src="@drawable/img" />
<LinearLayout
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:orientation="vertical"
android:padding="20dp" >
<TextView
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:text="Set Your Programing Language"
android:textColor="#FFFFFF"
android:textSize="18sp"
android:textStyle="bold"
android:paddingBottom="10dp" />
<CheckBox
android:id="@+id/checkBox1"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:text="C"
android:textColor="#FFFFFF" />
<CheckBox
android:id="@+id/checkBox2"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:text="C++"
android:textColor="#FFFFFF" />
<CheckBox
android:id="@+id/checkBox3"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:text="Java"
android:textColor="#FFFFFF" />
<CheckBox
android:id="@+id/checkBox4"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:text="Python"
android:textColor="#FFFFFF" />
<CheckBox
android:id="@+id/checkBox5"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:text="Js"
android:textColor="#FFFFFF" />
<Button
android:id="@+id/btnSubmit"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:text="Show selected"
android:layout_marginTop="20dp" />
</LinearLayout>
</RelativeLayout>
MainActivity.java
package com.example.practical011;
import android.os.Bundle;
import android.view.View;
import android.widget.Button;
import android.widget.CheckBox;
import android.widget.Toast;
import androidx.activity.EdgeToEdge;
import androidx.appcompat.app.AppCompatActivity;
import androidx.core.graphics.Insets;
import androidx.core.view.ViewCompat;
import androidx.core.view.WindowInsetsCompat;
public class MainActivity extends AppCompatActivity {
CheckBox checkBox1, checkBox2, checkBox3, checkBox4, checkBox5;
Button btnSubmit;
@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_main);
checkBox1 = findViewById(R.id.checkBox1);
checkBox2 = findViewById(R.id.checkBox2);
checkBox3 = findViewById(R.id.checkBox3);
checkBox4 = findViewById(R.id.checkBox4);
checkBox5 = findViewById(R.id.checkBox5);
btnSubmit = findViewById(R.id.btnSubmit);
btnSubmit.setOnClickListener(new View.OnClickListener() {
@Override
public void onClick(View v) {
String selected = "Selected: ";
if (checkBox1.isChecked()) selected += checkBox1.getText() + ", ";
if (checkBox2.isChecked()) selected += checkBox2.getText() + ", ";
if (checkBox3.isChecked()) selected += checkBox3.getText() + ", ";
if (checkBox4.isChecked()) selected += checkBox4.getText() + ", ";
if (checkBox5.isChecked()) selected += checkBox5.getText() + ", ";
if (selected.equals("Selected: ")) {
selected = "No options selected";
}
Toast.makeText(getApplicationContext(), selected, Toast.LENGTH_LONG).show();
}
});
}
}
