android--Simple music player

Use MediaPlayer to do simple music player, more content please go to Baidu experience view http://jingyan.baidu.com/article/60ccbceb63452364cab197f1.html

<relativelayout xmlns:android="http://schemas.android.com/apk/res/android"Xmlns:tools="Http://schemas.android.com/tools"Android:layout_width="match_parent"Android:layout_height="match_parent"android:paddingleft="@dimen/activity_horizontal_margin"Android:paddingright="@dimen/activity_horizontal_margin"Android:paddingtop="@dimen/activity_vertical_margin"Android:paddingbottom="@dimen/activity_vertical_margin"tools:context=". Mainactivity"Android:id="@+id/relativelayout"> <textview android:text="Audio Player"Android:layout_width="match_parent"Android:layout_height="wrap_content"Android:id="@+id/textview"/> <LinearLayout android:orientation="Horizontal"Android:layout_width="fill_parent"Android:layout_height="fill_parent"Android:layout_below="@+id/textview"Android:layout_alignparentleft="true"Android:layout_alignparentstart="true"> <Button android:layout_width="wrap_content"Android:layout_height="wrap_content"Android:text="Play"Android:id="@+id/button"Android:layout_weight="0.33"/> <Button android:layout_width="wrap_content"Android:layout_height="wrap_content"Android:text="Stop"Android:id="@+id/button2"Android:layout_weight="0.33"/> <Button android:layout_width="wrap_content"Android:layout_height="wrap_content"Android:text="Pause"Android:id="@+id/button3"Android:layout_weight="0.33"/> </LinearLayout></RelativeLayout>

Package Com.basillee.asus.demo;import Android.app.activity;import Android.media.mediaplayer;import Android.os.bundle;import Android.os.environment;import Android.util.log;import Android.view.View;import Android.widget.button;import Android.widget.textview;import Android.widget.toast;import Java.io.File;public class     Mainactivity extends Activity {private MediaPlayer Mediaplayer;//mediaplayer object Private Boolean ispause=false;//paused Private file file;//files to be played private TextView hint;//the text box that declares the hint information @Override protected void onCreate (Bundle savedi        Nstancestate) {super.oncreate (savedinstancestate);        Setcontentview (R.layout.activity_main); Get each Function button Final button button= (button) Findviewbyid (R.id.button);//Play Final button button1= (button) Findviewby Id (R.id.button2);//Pause Final button button2= (button) Findviewbyid (r.id.button3);//Stop hint= (TextView) Findviewby        Id (R.id.textview); if (!isfileexist ()) {button.setenabled (false);        }//Add event listener to MediaPlayer object and restart music playback when playback is complete mediaplayer.setoncompletionlistener (new mediaplayer.oncomple            Tionlistener () {@Override public void Oncompletion (MediaPlayer MP) {play ();        }        }); Event Listener for Play button Button.setonclicklistener (new View.onclicklistener () {@Override public void on                Click (View v) {play ();                    if (ispause) {button1.settext ("pause");                Ispause=false;                } button1.setenabled (True);                Button2.setenabled (TRUE);            Button.setenabled (FALSE);        }        }); Add Event Listener Button1.setonclicklistener (new View.onclicklistener () {@Override public Vo to pause, continue button                     ID OnClick (View v) {if (mediaplayer.isplaying () &&!ispause) {mediaplayer.pause ();                   Ispause=true; (button) v). SetText ("continue");                    Hint.settext ("Pause audio playback ....");                Button.setenabled (TRUE);                    }else{Mediaplayer.start ();                    (button) v). SetText ("pause");                    Hint.settext ("Continue playing audio ....");                Button.setenabled (FALSE);        }            }        }); Add an event listener to the Stop button Button2.setonclicklistener (new View.onclicklistener () {@Override public void                OnClick (View v) {mediaplayer.stop ();                Hint.settext ("Stop playing audio ...");                Button1.setenabled (FALSE);                Button2.setenabled (FALSE);            Button.setenabled (TRUE);    }        });        } @Override protected void OnDestroy () {if (mediaplayer.isplaying ()) {mediaplayer.stop ();        } mediaplayer.release ();    Super.ondestroy (); }//Determine if the file exists private Boolean isfileexist () {file=new Files (environment. getExternalStorageDirectory () +file.separator+ "Mymp32.mp3");            if (file.exists ()) {//Mediaplayer=new mediaPlayer ();            Mediaplayer=mediaplayer.create (this,r.raw.my);                 try {//Mediaplayer.setdatasource (File.getabsolutepath ());//Mediaplayer.prepare ();//Pre-load audio//            Mediaplayer.start ();//Play Music}catch (Exception e) {e.printstacktrace ();            } toast.maketext (this, "file exist", Toast.length_long). Show ();        return true;        }else{Toast.maketext (This, "file don t exist", Toast.length_long). Show ();    } return false; }//The method of playing music private void play () {try{mediaplayer.reset ();//new settings to play Music//mediaplayer.se Tdatasource (File.getabsolutepath ());//Mediaplayer.prepare ();//Pre-load audio mediaplayer=mediaplayer.create (            this,r.raw.my); Mediaplayer.start ();//Play Music Hint.settext ("Music is STarting ");            } catch (Exception e) {e.printstacktrace ();        LOG.E ("Err", E.getmessage ());    } return; }}

Use MediaPlayer to do simple music player, more content please go to Baidu experience view http://jingyan.baidu.com/article/60ccbceb63452364cab197f1.html

android--Simple music player