ตัวอย่างแอปพลิเคชั่นเบื้องต้นเพื่อควบคุมบอร์ด IOIO หรือ IOIO-Q โดยจะสั่งให้ LED ที่อยู่บนบอร์ดติดดับตามที่กด Toggle Button ในแอปพลิเคชั่น

AndroidManifest.xml

<?xml version="1.0" encoding="utf-8"?>
<manifest xmlns:android="http://schemas.android.com/apk/res/android"
    package="com.inex.ioioapp"
    android:versionCode="1"
    android:versionName="1.0" >

    <uses-sdk
        android:minSdkVersion="8"
        android:targetSdkVersion="19" />
    
    <uses-permission android:name="android.permission.BLUETOOTH"/>
    <uses-permission android:name="android.permission.BLUETOOTH_ADMIN"/>
    <uses-permission android:name="android.permission.INTERNET"/>

    <application
        android:allowBackup="true"
        android:icon="@drawable/ic_launcher"
        android:label="@string/app_name"
        android:theme="@style/AppTheme" >
        <activity
            android:name="com.inex.ioioapp.MainActivity"
            android:label="@string/app_name" >
            <intent-filter>
                <action android:name="android.intent.action.MAIN" />

                <category android:name="android.intent.category.LAUNCHER" />
            </intent-filter>
        </activity>
    </application>

</manifest>

layout_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"
    android:paddingBottom="@dimen/activity_vertical_margin"
    android:paddingLeft="@dimen/activity_horizontal_margin"
    android:paddingRight="@dimen/activity_horizontal_margin"
    android:paddingTop="@dimen/activity_vertical_margin" >

    <ToggleButton
        android:id="@+id/toggleButton1"
        android:layout_width="wrap_content"
        android:layout_height="wrap_content"
        android:layout_centerHorizontal="true"
        android:layout_centerVertical="true"
        android:text="ToggleButton" />

</RelativeLayout>

MainActivity.java

package com.inex.ioioapp;

import ioio.lib.api.DigitalOutput;
import ioio.lib.api.exception.ConnectionLostException;
import ioio.lib.util.BaseIOIOLooper;
import ioio.lib.util.IOIOLooper;
import ioio.lib.util.android.IOIOActivity;
import android.os.Bundle;
import android.widget.Toast;
import android.widget.ToggleButton;

public class MainActivity extends IOIOActivity {
	ToggleButton toggleButton1;
	
	protected void onCreate(Bundle savedInstanceState) {
		super.onCreate(savedInstanceState);
		setContentView(R.layout.layout_main);
		
		toggleButton1 = (ToggleButton)findViewById(R.id.toggleButton1);
	}
	
	class Looper extends BaseIOIOLooper {
		DigitalOutput dout;
		
		protected void setup() throws ConnectionLostException
				, InterruptedException {
			dout = ioio_.openDigitalOutput(0, false);
			
			runOnUiThread(new Runnable() {
				public void run() {
					Toast.makeText(getApplicationContext()
							, "Connected!!", Toast.LENGTH_SHORT).show();
				}
			});
		}
		
		public void loop() throws ConnectionLostException
				, InterruptedException {
			dout.write(!toggleButton1.isChecked());
			Thread.sleep(50);
		}
		
		public void disconnected() {
			runOnUiThread(new Runnable() {
				public void run() {
					Toast.makeText(getApplicationContext()
							, "Disconnect!!", Toast.LENGTH_SHORT).show();
				}
			});
		}
		
		public void incompatible() {
			
		}
		
	}
	
	protected IOIOLooper createIOIOLooper() {
		return new Looper();
	}
}