MediaSession example usage

- [Instructor] The media session is bit complex … so we'll be going through the process of creating one. … To begin with you'll need to add the media compat library. … Open your application and go to the app's … build.gradle file. … Add the following library. … Support-media-compat version 28.0.0. … Sync your gradle files. … Next decide where you want to use your media session. … Usually if you have an audio app with playback … happening in the service you would want … to have it in the service. … If you have a video player you can … add it to your activity. … Add the following variable to your class. … Media session is MediaSessionCompat and set it to null. … We'll be using the MediaSessionCompat class … from the media compat library. … This class handles all current Android versions. … Before we get into creating the media session … we need a callback. … This will be a inner class. … This callback just listens for key events … and calls our play, pause and stop methods. … Notice that we have to actually listen …