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--- built_in:service [2018/12/29 03:28]
114.125.22.195 [Links]
+++ built_in:service [2018/12/29 16:47] (current)
@@ Line 142: / Line 142: @@
 }
 </code>
-//Called when service is started.
+==== Links ====
-function OnStart()
+There is another background service sample at [[sample_code:file_service|Web file service]]
-{
-app.ShowPopup( "Hello from Service!" );
-//Create media player.
-player = app.CreateMediaPlayer();
-player.SetOnReady( player_OnReady );
-player.SetOnComplete( player_OnComplete );
-//Query media store for a nice long track.
-media = app.CreateMediaStore();
-media.SetOnMediaResult( media_OnMediaResult );
-media.QueryMedia( "duration > 120000", "", "external" );
-}
-//Handle media query results.
-function media_OnMediaResult( result )
-{
-if( result.length==0 ) return;
-//Play first file found.
-track = result[51];
-player.SetFile( track.uri );
-//Get album art.
-var img = app.CreateImage( null, 0.1, 0.1 );
-var gotArt = media.GetAlbumArt( img, track.albumId, "external" );
-//Show a notification with album art if available.
-notify = app.CreateNotification( "Ongoing" );
-notify.SetMessage( track.title, track.title, track.album );
-if( gotArt ) notify.SetLargeImage( img );
-notify.Notify( "my_player_id" );
-}
-//Called when we get a service message.
-function OnMessage( msg )
-{
-//Show debug in WiFi IDE.
-console.log( msg );
-//Handle commands from main App.
-if( msg=="play" ) player.Play();
-else if( msg=="pause" ) player.Pause();
-else if( msg=="quit" ) notify.Cancel( "my_player_id" );
-}
-//Called when player is ready to play.
-function player_OnReady()
-{
-player.Play();
-}
-//Called when playback has finished.
-function player_OnComplete()
-{
-notify.SetMessage( "Track Finished!", track.title, track.album );
-notify.Notify( "my_player_id" );
-}

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