activity_main.xml
<RelativeLayout xmlns:android="http://schemas.android.com/apk/res/android"
xmlns:tools="http://schemas.android.com/tools"
android:id="@+id/RelativeLayout1"
android:layout_width="match_parent"
android:layout_height="match_parent"
android:orientation="vertical"
tools:context=".MainActivity" >
<TextView
android:id="@+id/TextView1"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_alignParentLeft="true"
android:layout_alignParentTop="true"
android:text="Developed by Shrikant"
android:textAppearance="?android:attr/textAppearanceMedium" />
<CheckBox
android:id="@+id/check1"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_below="@+id/TextView1"
android:layout_centerHorizontal="true"
android:layout_marginTop="36dp"
android:text="Checked / UnChecked & Click Button" />
<Button
android:id="@+id/button1"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_below="@+id/check1"
android:layout_centerHorizontal="true"
android:layout_marginTop="23dp"
android:text="Click" />
<CheckBox
android:id="@+id/check2"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_alignLeft="@+id/check1"
android:layout_below="@+id/button1"
android:layout_marginTop="67dp"
android:text="Checked and UnChecked" />
</RelativeLayout>
MainActivity.java
package com.shrikant.checkbox;
import android.os.Bundle;
import android.app.Activity;
import android.view.View;
import android.widget.Button;
import android.widget.CheckBox;
import android.widget.CompoundButton;
import android.widget.Toast;
import android.view.View.OnClickListener;
import android.widget.CompoundButton.OnCheckedChangeListener;
public class MainActivity extends Activity {
CheckBox check1,check2;
Button clickbtn;
@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_main);
check1=(CheckBox)findViewById(R.id.check1);
check2=(CheckBox)findViewById(R.id.check2);
clickbtn=(Button)findViewById(R.id.button1);
clickbtn.setOnClickListener(new OnClickListener() {
@Override
public void onClick(View arg0) {
if(check1.isChecked())
{
Toast.makeText(getApplicationContext(),"Check Box Checked", Toast.LENGTH_LONG).show();
}
else
{
Toast.makeText(getApplicationContext(),"Check Box UnChecked", Toast.LENGTH_LONG).show();
}
}
});
check2.setOnCheckedChangeListener(new OnCheckedChangeListener() {
@Override
public void onCheckedChanged(CompoundButton arg0, boolean arg1) {
if(arg0.isChecked())
{
check2.setText("Checked");
}
else
{
check2.setText("Unchecked");
}
}
});
}
}
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