docs: removing code captions

  create a recommendation service for your application:

</p>

<p class="code-caption">

  <a href="https://github.com/googlesamples/androidtv-Leanback/blob/master/app/src/main/java/com/example/android/tvleanback/UpdateRecommendationsService.java" target="_blank">

  UpdateRecommendationsService.java</a>

</p>

<pre>

public class UpdateRecommendationsService extends IntentService {

    private static final String TAG = "UpdateRecommendationsService";

  app manifest. The following code snippet illustrates how to declare this class as a service:

</p>

<p class="code-caption">

  <a href="https://github.com/googlesamples/androidtv-Leanback/blob/master/app/src/main/AndroidManifest.xml" target="_blank">

  AndroidManifest.xml</a>

</p>

<pre>

<manifest ... >

  <application ... >

movie, has been played, <a href="{@docRoot}guide/topics/ui/notifiers/notifications.html#Removing">

remove it</a> from the recommendations.</p>

<p>The order of an app's recommendations is preserved according to the order in which the app

provides them. The framework interleaves app recommendations based on recommendation quality,

as measured by user behavior. Better recommendations make an app's recommendations more likely

to appear near the front of the list.</p>

<h2 id="build">Build Recommendations</h2>

<p>

the builder pattern described as follows. First, you set the values of the recommendation card

elements.</p>

<p class="code-caption">

  <a href="https://github.com/googlesamples/androidtv-Leanback/blob/master/app/src/main/java/com/example/android/tvleanback/RecommendationBuilder.java" target="_blank">

  RecommendationBuilder.java</a>

</p>

<pre>

public class RecommendationBuilder {

    ...

</p>

<p>

  The following code example demonstrates how to build a recommendation, and post it to the manager.

  The following code example demonstrates how to build a recommendation.

</p>

<p class="code-caption">

  <a href="https://github.com/googlesamples/androidtv-Leanback/blob/master/app/src/main/java/com/example/android/tvleanback/RecommendationBuilder.java" target="_blank">

  RecommendationBuilder.java</a>

</p>

<pre>

public class RecommendationBuilder {

    ...

                        .setExtras(extras))

                .build();

        mNotificationManager.notify(mId, notification);

        mNotificationManager = null;

        return notification;

    }

}

  every half hour:

</p>

<p class="code-caption">

  <a href="https://github.com/googlesamples/androidtv-Leanback/blob/master/app/src/main/java/com/example/android/tvleanback/BootupActivity.java" target="_blank">

  BootupActivity.java</a>

</p>

<pre>

public class BootupActivity extends BroadcastReceiver {

    private static final String TAG = "BootupActivity";

  following sample code demonstrates how to add this configuration to the manifest:

</p>

<p class="code-caption">

  <a href="https://github.com/googlesamples/androidtv-Leanback/blob/master/app/src/main/AndroidManifest.xml" target="_blank">

  AndroidManifest.xml</a>

</p>

<pre>

<manifest ... >

  <application ... >

  requests the {@link android.Manifest.permission#RECEIVE_BOOT_COMPLETED} permission.

  For more information, see {@link android.content.Intent#ACTION_BOOT_COMPLETED}.

</p>

<p>In your recommendation service class' {@link android.app.IntentService#onHandleIntent(android.content.Intent)

onHandleIntent()}

method, post the recommendation to the manager as follows:</p>

<pre>

Notification notification = notificationBuilder.build();

mNotificationManager.notify(id, notification);

</pre>