Independently Developed music player 2

Package codefans. app. service; import Java. io. file; import Java. io. ioexception; import android. app. service; import android. content. intent; import android. media. mediaplayer; import android. media. mediaplayer. onpreparedlistener; import android. OS. binder; import android. OS. environment; import android. OS. ibinder; public class mp3service extends Service {private ibinder mybinder = new mp3ibinder (); Private mediaplaye R mediaplayer; private file musicfile; @ overridepublic void oncreate () {If (this. mediaplayer = NULL) {This. mediaplayer = new mediaplayer () ;}@ overridepublic void ondestroy () {If (this. mediaplayer! = NULL) {This. mediaplayer. stop (); this. mediaplayer. release (); this. mediaplayer = NULL;} super. ondestroy () ;}@ overridepublic ibinder onbind (intent) {return mybinder;} // start playing private void playmusci (string filename) {try {This. musicfile = new file (environment. getexternalstoragedirectory (), filename); this. mediaplayer. setdatasource (musicfile. getabsolutepath (); this. mediaplayer. prepare (); this. mediaplayer. setonpreparedlistener (New mypreparedlistenner ();} catch (illegalargumentexception e) {e. printstacktrace ();} catch (illegalstateexception e) {e. printstacktrace ();} catch (ioexception e) {e. printstacktrace () ;}// mediaplayer: The execution event is cached. Private class mypreparedlistenner implements onpreparedlistener {public void onprepared (mediaplayer MP) {mp3service. this. mediaplayer. start ();}} /*** this binder is returned when a new internal class activity calls Service * @ author codefans */private class mp3ibinder extends binder implements player {public void playmusic (string filepath) {mp3service. this. playmusci (filepath );}}}

Service playback

Package codefans. app. activity; import codefans. app. service. player; import codefans.mp3 layer. r; import android. app. activity; import android. content. componentname; import android. content. context; import android. content. intent; import android. content. serviceconnection; import android. OS. bundle; import android. OS. ibinder; import android. view. view; import android. widget. imagebutton; public class mp3playeractivity extends activity {private Boolean flag = false; private imagebutton playbt; private player binder; private serviceconnection myserviceconnection = new myserviceconnection (); /** called when the activity is first created. * // @ overridepublic void oncreate (bundle savedinstancestate) {super. oncreate (savedinstancestate); setcontentview (R. layout. main); this. playbt = (imagebutton) findviewbyid (R. id. play); intent = new intent ("codefans. action. mp3player "); bindservice (intent, myserviceconnection, context. bind_auto_create);} // play button click public void mediaplay (view v) {If (flag = false) // change the play button icon {playbt. setimageresource (R. drawable. stop); flag = true; this. binder. playmusic ("qqaudio");} else {playbt. setimageresource (R. drawable. play); flag = false; }}@ overrideprotected void ondestroy () {unbindservice (myserviceconnection); super. ondestroy ();} // The class private class myserviceconnection implements serviceconnection {public void onserviceconnected (componentname, ibinder Service) {mp3playeractivity is required to start the service. this. binder = (player) service;} public void onservicedisconnected (componentname name) {mp3playeractivity. this. binder = NULL ;}}}

It seems that the bindservice cannot be used here, because if the service of the activity is suspended, startservice should be used! It will be too late tomorrow (hey)

Only one playback function is provided.

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