Complete example "Hello Car" app for OpenXC

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"
    android:paddingBottom="@dimen/activity_vertical_margin"
    android:paddingLeft="@dimen/activity_horizontal_margin"
    android:paddingRight="@dimen/activity_horizontal_margin"
    android:paddingTop="@dimen/activity_vertical_margin"
    tools:context=".MainActivity" >

    <TextView
        android:id="@+id/textView1"
        android:layout_width="wrap_content"
        android:layout_height="wrap_content"
        android:text="@string/hello_world" />
    
    <TextView
        android:layout_width="wrap_content"
        android:layout_height="wrap_content"
        android:layout_below="@+id/textView1"
        android:id="@+id/vehicle_speed" />
    
</RelativeLayout>

AndroidManifest.xml

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

    <uses-sdk
        android:minSdkVersion="8"
        android:targetSdkVersion="17" />

    <application
        android:allowBackup="true"
        android:icon="@drawable/ic_launcher"
        android:label="@string/app_name"
        android:theme="@style/AppTheme" >
        <activity
            android:name="com.example.test.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>
        
        <service android:name="com.openxc.VehicleManager"/>
    </application>

</manifest>

MainActivity.java

package com.example.test;

import android.app.Activity;
import android.content.ComponentName;
import android.content.Context;
import android.content.Intent;
import android.content.ServiceConnection;
import android.os.Bundle;
import android.os.IBinder;
import android.util.Log;
import android.view.Menu;
import android.widget.TextView;

import com.openxc.VehicleManager;
import com.openxc.measurements.Measurement;
import com.openxc.measurements.UnrecognizedMeasurementTypeException;
import com.openxc.measurements.VehicleSpeed;
import com.openxc.remote.VehicleServiceException;

public class MainActivity extends Activity {
	
	private VehicleManager mVehicleManager;
	private TextView mVehicleSpeedView;

	private ServiceConnection mConnection = new ServiceConnection() {
	    // Called when the connection with the service is established
	    public void onServiceConnected(ComponentName className,
	            IBinder service) {
	        Log.i("openxc", "Bound to VehicleManager");
	        mVehicleManager = ((VehicleManager.VehicleBinder)service).getService();
	        
	        try {
				mVehicleManager.addListener(VehicleSpeed.class, mSpeedListener);
			} catch (VehicleServiceException e) {
				e.printStackTrace();
			} catch (UnrecognizedMeasurementTypeException e) {
				e.printStackTrace();
			}
	    }

	    // Called when the connection with the service disconnects unexpectedly
	    public void onServiceDisconnected(ComponentName className) {
	        Log.w("openxc", "VehicleService disconnected unexpectedly");
	        mVehicleManager = null;
	    }
	};

	@Override
	protected void onCreate(Bundle savedInstanceState) {
		super.onCreate(savedInstanceState);
		setContentView(R.layout.activity_main);
		
		mVehicleSpeedView = (TextView) findViewById(R.id.vehicle_speed);
		
		Intent intent = new Intent(this, VehicleManager.class);
        bindService(intent, mConnection, Context.BIND_AUTO_CREATE);   
	}

	@Override
	public boolean onCreateOptionsMenu(Menu menu) {
		// Inflate the menu; this adds items to the action bar if it is present.
		getMenuInflater().inflate(R.menu.main, menu);
		return true;
	}
	
	public void onPause() {
	    super.onPause();
	    Log.i("openxc", "Unbinding from vehicle service");
	    unbindService(mConnection);
	}

	VehicleSpeed.Listener mSpeedListener = new VehicleSpeed.Listener() {
	    public void receive(Measurement measurement) {
	    	final VehicleSpeed speed = (VehicleSpeed) measurement;
	        MainActivity.this.runOnUiThread(new Runnable() {
	            public void run() {
	                mVehicleSpeedView.setText(
	                    "Vehicle speed (km/h): " + speed.getValue().doubleValue());
	            }
	        });
	    }
	};
}