postheadericon Android Checkbox setOnCheckedChangeListener Example



MainActivity.java

package bipin.rupadiya.checkboxexample;

import android.app.Activity;
import android.os.Bundle;
import android.view.Menu;
import android.widget.CheckBox;
import android.widget.CompoundButton;
import android.widget.Toast;
import android.widget.CompoundButton.OnCheckedChangeListener;



public class MainActivity extends Activity {

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

@Override
public void onCheckedChanged(CompoundButton arg0, boolean arg1) {
// TODO Auto-generated method stub
Toast.makeText(getApplicationContext(), "Check box "+arg0.getText().toString()+" is "+String.valueOf(arg1) , Toast.LENGTH_LONG).show();
}
} );
     
        hin.setOnCheckedChangeListener( new OnCheckedChangeListener() {

@Override
public void onCheckedChanged(CompoundButton arg0, boolean arg1) {
// TODO Auto-generated method stub
Toast.makeText(getApplicationContext(), "Check box "+arg0.getText().toString()+" is "+String.valueOf(arg1) , Toast.LENGTH_LONG).show();
}
} );
     
        guj.setOnCheckedChangeListener( new OnCheckedChangeListener() {

@Override
public void onCheckedChanged(CompoundButton arg0, boolean arg1) {
// TODO Auto-generated method stub
Toast.makeText(getApplicationContext(), "Check box "+arg0.getText().toString()+" is "+String.valueOf(arg1) , 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" >

    <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="52dp"
        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="40dp"
        android:text="English" />

    <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" />

    <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="30dp"
        android:text="Gujarati" />

</RelativeLayout>



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