Controlling Background Audio from Your Foreground App
Most apps employing background audio are going to want to provide an enhanced interface within the foreground app for controlling playback and displaying track information. This section looks at the
MainPage and associated classes of the WPUnleashed.BackgroundAudio project. The page allows the user to play audio via the
BackgroundAudioPlayer class. It provides application bar buttons for play and pause, stop, rewind, and forward, and several fields for displaying the current track information.
It is a Windows Phone Marketplace certification requirement that when the user is already playing background music on the phone when your app is launched, your app must ask the user for consent ...