Android Checkbox Example

MainActivity.java

package bipin.rupadiya.checkboxexample;

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



public class MainActivity extends Activity {

    @Override
    protected void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.activity_main);
        final CheckBox eng = (CheckBox) findViewById(R.id.chkEnglish);
        final CheckBox hin = (CheckBox) findViewById(R.id.chkHindi);
        final CheckBox guj = (CheckBox) findViewById(R.id.chkGujarati);

        Button btn = (Button) findViewById(R.id.btnOK);
        btn.setOnClickListener(new OnClickListener() {

@Override
public void onClick(View v) {
// TODO Auto-generated method stub
StringBuffer msg = new StringBuffer();
msg.append("Checkbox English : ").append(eng.isChecked());
msg.append("\nCheckbox Hindi : ").append(hin.isChecked());
msg.append("\nCheckbox Gujarati :").append(guj.isChecked());

Toast.makeText(getApplicationContext(), msg.toString(),Toast.LENGTH_LONG).show();
}
});
    }
    @Override
    public boolean onCreateOptionsMenu(Menu menu) {
        // Inflate the menu; this adds items to the action bar if it is present.
        getMenuInflater().inflate(R.menu.activity_main, menu);
        return true;
    }
 
}

activity_main.xml

<RelativeLayout xmlns:android="http://schemas.android.com/apk/res/android"
    xmlns:tools="http://schemas.android.com/tools"
    android:layout_width="match_parent"
    android:layout_height="match_parent"
    tools:context=".MainActivity" >

    <CheckBox
        android:id="@+id/chkHindi"
        android:layout_width="wrap_content"
        android:layout_height="wrap_content"
        android:layout_alignLeft="@+id/chkEnglish"
        android:layout_below="@+id/chkEnglish"
        android:layout_marginTop="22dp"
        android:text="Hindi" />

    <TextView
        android:id="@+id/textView1"
        android:layout_width="wrap_content"
        android:layout_height="wrap_content"
        android:layout_alignParentTop="true"
        android:layout_centerHorizontal="true"
        android:layout_marginTop="22dp"
        android:text="Select Language"
        android:textAppearance="?android:attr/textAppearanceLarge" />

    <CheckBox
        android:id="@+id/chkEnglish"
        android:layout_width="wrap_content"
        android:layout_height="wrap_content"
        android:layout_alignLeft="@+id/textView1"
        android:layout_below="@+id/textView1"
        android:layout_marginTop="21dp"
        android:checked="true"
        android:text="English" />

    <CheckBox
        android:id="@+id/chkGujarati"
        android:layout_width="wrap_content"
        android:layout_height="wrap_content"
        android:layout_alignLeft="@+id/chkHindi"
        android:layout_below="@+id/chkHindi"
        android:layout_marginTop="16dp"
        android:text="Gujarati" />

    <Button
        android:id="@+id/btnOK"
        android:layout_width="wrap_content"
        android:layout_height="wrap_content"
        android:layout_alignRight="@+id/chkGujarati"
        android:layout_below="@+id/chkGujarati"
        android:layout_marginTop="18dp"
        android:text="OK" />

</RelativeLayout>