Android Programming - CheckBox

D:\chandreadymadeshop\app\src\main\res\layout\activity_main.xml

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

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

 android:layout_width="match_parent" 

 android:layout_height="match_parent" 

 android:background="@drawable/chandra">

 <LinearLayout         

android:layout_width="match_parent" 

 android:layout_height="match_parent" 

 android:orientation="vertical">

        <TextView 

 android:id="@+id/TV1" 

 android:layout_width="wrap_content"             

android:layout_height="wrap_content" 

 android:text="Select Whatever you Want !!"             

android:textColor="@android:color/holo_red_dark" 

 android:textSize="40sp" />

        <CheckBox             

android:id="@+id/CB1" 

 android:layout_width="wrap_content" 

 android:layout_height="wrap_content" 

 android:checked="false" 

 android:text="Silk Saree" 

 android:textColor="@android:color/holo_orange_dark" />

        <CheckBox 

 android:id="@+id/CB2"             

android:layout_width="wrap_content"             

android:layout_height="wrap_content" 

 android:checked="false"             

android:text="Synthetic Saree" 

 android:textColor="@android:color/holo_green_dark" />

        <CheckBox 

 android:id="@+id/CB3" 

 android:layout_width="wrap_content" 

 android:layout_height="wrap_content"             

android:checked="false" 

 android:text="Cotton Saree" 

 android:textColor="@android:color/holo_blue_dark" />

 <CheckBox 

 android:id="@+id/CB4"             

android:layout_width="wrap_content" 

 android:layout_height="wrap_content" 

 android:checked="false" 

 android:text="Jute Saree" 

 android:textColor="@android:color/holo_red_light" />

 <Button 

 android:layout_width="314dp"             

android:layout_height="wrap_content"             

android:text="PRESS IT"             

android:id="@+id/btn" 

 android:background="#f8f40b" 

 android:textColor="#fd0707"/>
    </LinearLayout>
</ScrollView>

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D:\chandreadymadeshop\app\src\main\java\com\ldc\chandreadymadeshop\MainActivity.java 

package com.ldc.chandreadymadeshop;



import android.app.Activity;
import android.os.Bundle;
import android.view.View;
import android.widget.Button;
import android.widget.CheckBox;
import android.widget.Toast;

public class MainActivity extends Activity {
    Button btn;
    CheckBox cb1, cb2, cb3,cb4;
    @Override    protected void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.activity_main);
        cb1=(CheckBox) findViewById(R.id.CB1);
        cb2=(CheckBox) findViewById(R.id.CB2);
        cb3=(CheckBox) findViewById(R.id.CB3);
        cb4=(CheckBox) findViewById(R.id.CB4);
        btn=(Button) findViewById(R.id.btn);
        btn.setOnClickListener(new View.OnClickListener() {
            @Override            public void onClick(View view) {
                if(cb1.isChecked() == true && cb2.isChecked()== false && cb3.isChecked()==false && cb4.isChecked()==false)
                    Toast.makeText(getBaseContext(),"Silk Saree", Toast.LENGTH_LONG).show();
                if(cb1.isChecked() == false && cb2.isChecked()==true && cb3.isChecked()==false && cb4.isChecked()==false)
                    Toast.makeText(getBaseContext(),"Synthetic  Saree",Toast.LENGTH_LONG).show();
                if(cb1.isChecked() == false && cb2.isChecked()==false && cb3.isChecked()==true && cb4.isChecked()==false)
                    Toast.makeText(getBaseContext(),"Cotton Saree",Toast.LENGTH_LONG).show();
                if(cb1.isChecked() == false && cb2.isChecked()==false && cb3.isChecked()== false && cb4.isChecked()==true)
                    Toast.makeText(getBaseContext(),"Jute Saree ",Toast.LENGTH_LONG).show();
                if(cb1.isChecked() == true && cb2.isChecked()==true && cb3.isChecked()== false && cb4.isChecked()==false)
                    Toast.makeText(getBaseContext(),"Silk Sree Cotton Saree  ",Toast.LENGTH_LONG).show();
                if(cb1.isChecked() == true && cb2.isChecked()==true && cb3.isChecked()== true && cb4.isChecked()==false)
                    Toast.makeText(getBaseContext(),"Silk Sree Cotton Saree and Synthetic Saree ",Toast.LENGTH_LONG).show();
                if(cb1.isChecked() == true && cb2.isChecked()==true && cb3.isChecked()== true && cb4.isChecked()==true)
                    Toast.makeText(getBaseContext(),"Silk Sree Cotton Saree , Synthetic Saree and Jute Saree",Toast.LENGTH_LONG).show();

                if(cb1.isChecked() == false && cb2.isChecked()==false && cb3.isChecked()==false && cb4.isChecked()==false)
                    Toast.makeText(getBaseContext(),"OOPS! you haven`t selected anythng (: (: ",Toast.LENGTH_LONG).show();


            }
        });
    }
}

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