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    copied!<p>You have to modify the Manifest file as well.</p> <p>Here is the example that works:</p> <p>These variables and methods are members of Service class:</p> <pre><code>public static final String MOVEMENT_UPDATE = "com.client.gaitlink.AccelerationService.action.MOVEMENT_UPDATE"; public static final String ACCELERATION_X = "com.client.gaitlink.AccelerationService.ACCELERATION_X"; public static final String ACCELERATION_Y = "com.client.gaitlink.AccelerationService.ACCELERATION_Y"; public static final String ACCELERATION_Z = "com.client.gaitlink.AccelerationService.ACCELERATION_Z"; private void announceAccelerationChanges()//this method sends broadcast messages { Intent intent = new Intent(MOVEMENT_UPDATE); intent.putExtra(ACCELERATION_X, accelerationX); intent.putExtra(ACCELERATION_Y, accelerationY); intent.putExtra(ACCELERATION_Z, accelerationZ); sendBroadcast(intent); } </code></pre> <p>And this are the methods from Main activity:</p> <p>You have to register receiver in the onResume method:</p> <pre><code> @Override public void onResume() { IntentFilter movementFilter; movementFilter = new IntentFilter(AccelerationService.MOVEMENT_UPDATE); accelerationReceiver = new AccelerationServiceReceiver(); registerReceiver(accelerationReceiver, movementFilter); startAccelerationService(); super.onResume(); } private void startAccelerationService() { startService(new Intent(this, AccelerationService.class)); } public class AccelerationServiceReceiver extends BroadcastReceiver { @Override public void onReceive(Context context, Intent intent)//this method receives broadcast messages. Be sure to modify AndroidManifest.xml file in order to enable message receiving { accelerationX = intent.getDoubleExtra(AccelerationService.ACCELERATION_X, 0); accelerationY = intent.getDoubleExtra(AccelerationService.ACCELERATION_Y, 0); accelerationZ = intent.getDoubleExtra(AccelerationService.ACCELERATION_Z, 0); announceSession(); updateGUI(); } } </code></pre> <p>This is the part of AndroidManifest.xml file that has to be set in order to receive broadcast messages:</p> <pre><code>&lt;activity android:name=".GaitLink" android:label="@string/app_name"&gt; &lt;intent-filter&gt; &lt;action android:name="android.intent.action.MAIN" /&gt; &lt;category android:name="android.intent.category.LAUNCHER" /&gt; &lt;action android:name="com.client.gaitlink.CommunicationService.action.ACTIVITY_STATUS_UPDATE" /&gt; &lt;/intent-filter&gt; &lt;/activity&gt; </code></pre>
 

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