Online music Playback Demo

Package Com.multimediademo7audiohttpplayer;import Android.app.activity;import Android.media.mediaplayer;import Android.media.mediaplayer.onbufferingupdatelistener;import Android.media.MediaPlayer.OnCompletionListener; Import Android.media.mediaplayer.onerrorlistener;import Android.media.mediaplayer.onpreparedlistener;import Android.os.bundle;import Android.util.log;import Android.view.view;import Android.view.View.OnClickListener; Import Android.widget.button;import android.widget.textview;/** * Online music playback demo. * */public class Audiohttpplayer extends Activity implements Oncompletionlistener,onerrorlistener, Onbufferingupdatelistener, Onpreparedlistener,onclicklistener {private MediaPlayer mediaplayer;private Button Startbutton, Stopbutton;private TextView Statustextview, buffervaluetextview; @Overrideprotected void OnCreate (Bundle Savedinstancestate) {super.oncreate (savedinstancestate); Setcontentview (r.layout.activity_audio_httpplayer); init ();} /** * Instantiate the component. */private void init () {Startbutton= (Button) Findviewbyid (R.id.startbutton), Stopbutton = (button) Findviewbyid (R.id.stopbutton); Statustextview = ( TextView) Findviewbyid (r.id.statusdisplaytextview); Buffervaluetextview = (TextView) Findviewbyid ( R.id.buffervaluetextview); Startbutton.setonclicklistener (this), Stopbutton.setonclicklistener (this); Statustextview.settext ("OnCreate"); mediaPlayer = new MediaPlayer (); Mediaplayer.setoncompletionlistener (this); Mediaplayer.setonerrorlistener (This), Mediaplayer.setonbufferingupdatelistener (this); Mediaplayer.setonpreparedlistener (this); Statustextview.settext ("MediaPlayer created"); try {/** * call Setdatasource () method, and pass in the HTTP location of the audio file you want to play. */mediaplayer.setdatasource ("Http://zhangmenshiting.baidu.com/data2/music/36865035/17765263198000128.mp3?xcode =81bb2569613f49564c53ca228d87e526d7ed2c9c576c829e ");} catch (Exception e) {e.printstacktrace ();} Statustextview.settext ("Setdatasource done"); Statustextview.settext ("Calling Prepareasync");/** * Call PrepareAsync method , it starts buffering the audio file in the background and returns. */mediaplayer.prepareAsync ();} /** * When MediaPlayer is buffering, the activity's Onbufferingupdate method is called. */@Overridepublic void Onbufferingupdate (MediaPlayer MP, int percent) {Buffervaluetextview.settext ("" + percent + "%");} /** * When the Prepareasync method is completed, the Onprepared method is called to indicate that the audio is ready to play. */@Overridepublic void onprepared (MediaPlayer MP) {Statustextview.settext ("onprepared called"); Startbutton.setenabled (TRUE);} /** * When MediaPlayer finishes playing the audio file, the Oncompletion method is called. * When the "Play" button is clicked, the "Pause" button does not look at the click (indicating that it can be played again). */@Overridepublic void Oncompletion (MediaPlayer MP) {Statustextview.settext ("oncompletion called"); Startbutton.setenabled (True); stopbutton.setenabled (false);} /** * When you press the return key on the phone, the system's OnKeyDown method is called automatically, and the OnKeyDown method calls the OnDestroy () method to destroy the activity *, if the OnDestroy () method does not rewrite, Then the music that is playing will not stop (you can try it), so this time to rewrite the OnDestroy () method, * in this method to add the Mediaplayer.stop () method, which means that when the return key is pressed, the MediaPlayer object's Stop method is called, To stop the music from playing. */@Overrideprotected void OnDestroy () {Super.ondestroy (); Mediaplayer.stop (); LOG.D ("Zhongyao", "OnDestroy ()");} /** * If MediaPlayer error occurs, the OnError method is called. */@Overridepublic Boolean OnError (MediaPlayer MP, int what, int extra) {Statustextview.settext ("onError called") and switch (what) {case MEDIAP Layer. MEDIA_ERROR_NOT_VALID_FOR_PROGRESSIVE_PLAYBACK:statusTextView.setText ("Media_error_not_valid_for_progressive_ PLAYBACK "+ extra); Break;case MediaPlayer.MEDIA_ERROR_SERVER_DIED:statusTextView.setText (" media_error_server_died "+ Extra"); Break;case MediaPlayer.MEDIA_ERROR_UNKNOWN:statusTextView.setText ("Media_error_unknown"); Break;default : Break;} return false;} /** * When the play button is pressed, the start method of MediaPlayer is called, and when the pause button is pressed, the MediaPlayer pause method is called. */@Overridepublic void OnClick (View v) {if (v = = Startbutton) {Mediaplayer.start (); Statustextview.settext ("Start called "); startbutton.setenabled (false); stopbutton.setenabled (true);} else if (v = = Stopbutton) {mediaplayer.pause (); Statustextview.settext ("pause called"); startbutton.setenabled (true); Stopbutton.setenabled (FALSE);}}}

Online music Playback Demo