Android tv get started

1. Android TV 入門
Ascii @ KKBOX

2. ADT-1 Nexus Player

3. Android TV SDK
android {
compileSdkVersion 21
buildToolsVersion "21.1.1"
defaultConfig {
minSdkVersion 21
targetSdkVersion 21
}
}
dependencies {
compile 'com.android.support:leanback-v17:21.0.2'
}

4. compileSdkVersion VS buildToolsVersion

5. Nexus Player Controller

6. Resolution

7. Add TV Support 1
<application
android:allowBackup="true"
android:icon="@drawable/ic_launcher"
android:label="@string/app_name"
android:banner="@drawable/app_banner"
android:theme="@style/AppTheme" >
</application>
<activity
android:name=".TVMainActivity"
android:screenOrientation="landscape" >
<intent-filter>
<action android:name="android.intent.action.MAIN" />
<category android:name="android.intent.category.LEANBACK_LAUNCHER" />
</intent-filter>
</activity>

8. Add TV Support 2

9. Common Errors
1. SDK Level (min 17)
2. Launch default Activity (Android Studio bug)
3. Unnecessary Resources (for mobile module)
4. uses-feature android:required="true" (false)

10. Leanback Library
1. BrowseFragment
2. SearchFragment
3. DetailFragment
4. PlayFragmen

11. BrowseFragment
public ListRow(HeaderItem header, ObjectAdapter adapter)
setBadgeDrawable(/*res*/);

12. DetailFragment
DetailsOverviewRow.setAction(new Action(long id, CharSequence label))
OnActionClickedListener.
onActionClicked(Action action)
if (action.getId() == OPEN)
else if (action.getId() == UNIN)
else if (action.getId() == UPD)

13. Create recommendations
<uses-permission android:name="android.permission.RECEIVE_BOOT_COMPLETED" />
<receiver
android:name=".recommendation.BootupActivity"
android:enabled="true"
android:exported="false" >
<intent-filter>
<action android:name="android.intent.action.BOOT_COMPLETED" />
</intent-filter>
</receiver>
if (intent.getAction().endsWith(Intent.ACTION_BOOT_COMPLETED)) {
// startService(/* IntentService */) or getService(/* IntentService */)
}

14. Create recommendations
public class RecommendationsService extends IntentService {
@Override
protected void onHandleIntent(Intent intent) {
NotificationManager mNotificationManager = (NotificationManager)
getApplicationContext().getSystemService(Context.NOTIFICATION_SERVICE);
Notification notification = new NotificationCompat.BigPictureStyle(
new NotificationCompat.Builder()).build();
mNotificationManager.notify(count, notification);
}
}

15. Reference
Design guideline
http://developer.android.com/design/tv/index.html
TV App Quality
http://developer.android.com/distribute/essentials/quality/tv.html
Publishing process
http://developer.android.com/distribute/googleplay/tv.html
Using the Leanback library
https://github.com/googlesamples/androidtv-Leanback
https://www.youtube.com/watch?v=72K1VhjoL98