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Checkbox sample program

Simple Checkbox example in android

Checkbox provide the facility to select multiple options from a list of options. Like radio button, checkbox have two states: checked and unchecked.
In this example, I’ll show a simple example using checkbox



package com.example;

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

public class CheckboxExampleActivity extends Activity {
                CheckBox checkBox1,checkBox2;
    /** Called when the activity is first created. */
    @Override
    public void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.main);
        checkBox1=(CheckBox)findViewById(R.id.checkBox1);
        checkBox2=(CheckBox)findViewById(R.id.checkBox2);
        Button button=(Button)findViewById(R.id.button1);
        button.setOnClickListener(new OnClickListener() {
                                               
                                                public void onClick(View v) {
                                                                if(checkBox1.isChecked()==true && checkBox2.isChecked()){
                                                                                Toast.makeText(getApplicationContext(), checkBox1.getText()+"  "+checkBox2.getText(), Toast.LENGTH_LONG).show();
                                                                }
                                                                else if (checkBox1.isChecked()==true){
                                                                                Toast.makeText(getApplicationContext(), checkBox1.getText(), Toast.LENGTH_LONG).show();
                                                                                }
                                                                else if(checkBox2.isChecked()==true){
                                                                                Toast.makeText(getApplicationContext(), checkBox2.getText(), Toast.LENGTH_LONG).show();
                                                                               
                                                                }
                                                               
                                                }
                                });
       
    }
}

main.xml
<?xml version="1.0" encoding="utf-8"?>
<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
    android:orientation="vertical"
    android:layout_width="fill_parent"
    android:layout_height="fill_parent"
    >
<TextView 
    android:layout_width="fill_parent"
    android:layout_height="wrap_content"
    android:text="@string/hello"
    />
<CheckBox
android:text="OptionOne"
android:id="@+id/checkBox1"
android:layout_width="wrap_content"
android:layout_height="wrap_content">
</CheckBox>
<CheckBox
android:text="OptionTwo"
android:id="@+id/checkBox2"
android:layout_width="wrap_content"
android:layout_height="wrap_content">
</CheckBox>
<Button
android:text="Button"
android:id="@+id/button1"
android:layout_width="wrap_content"
android:layout_height="wrap_content">
</Button>
</LinearLayout>

Result
See more

Custom Checkbox
Radiobutton
Custom radiobutton
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