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@peplin
Last active Dec 16, 2015
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What would you like to do?
Complete example "Hello Car" app for OpenXC
<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>
<?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>
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());
}
});
}
};
}
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