Creating a Media Player Notification

This recipe is going to take a look at the new Media Player style introduced in Android 5.0 (API 21). Unlike the previous recipe, Lights, Action, and Sound Redux using Notifications, which used NotificationCompat, this recipe does not, as this style is not available in the support library.

Here's a screenshot showing how the notification will appear:

This screenshot shows an example of the Media Player Notification on a lock screen:

Getting ready

Create a new project in Android Studio and call it MediaPlayerNotification. In the Target Android Devices dialog, select API 21: Android 5.0 (Lollipop), or higher, for this project. Select Empty Activity on the Add an Activity to Mobile dialog.

How to do it...

We just need a single button to call our code to send the notification. Open activity_main.xml and follow these steps:

1. Replace the existing <TextView> with the following button code:

<Button
android:id="@+id/button"
android:layout_width="wrap_content...