基于Android系统的音乐播放器设计与实现含源程序

1、46基于android系统的音乐播放器设计与实现基于android系统的音乐播放器设计与实现源程序.projectspmusicplayer01com.android.ide.eclipse.adt.resourcemanagerbuildercom.android.ide.eclipse.adt.precompilerbuilderorg.eclipse.jdt.core.javabuildercom.android.ide.eclipse.adt.apkbuildercom.android.ide.eclipse.adt.androidnatureorg.eclipse.jdt.core.

2、javanature.classpathandroidmanifest.xml localmpslist.javapackage sled.develop;import java.util.arraylist;import java.util.list;import sled.develop.service.listsrv;import sled.model.mpsiterm;import sled.utils.adapterutils;import sled.utils.appconstant;import sled.utils.fileutils;import android.app.li

3、stactivity;import android.content.intent;import android.os.bundle;import android.view.view;import android.view.window;import android.widget.listview;import android.widget.radiobutton;import android.widget.radiogroup;import android.widget.radiogroup.oncheckedchangelistener;import android.widget.simpl

4、eadapter;public class localmpslist extends listactivityprivate list mp3s =null;private radiogroup radiogroup ; private radiobutton single ;private radiobutton order ;private radiobutton radom ;private int mode = appconstant.jump_mode_order ;overrideprotected void oncreate(bundle savedinstancestate)

5、/ todo auto-generated method stubsuper.oncreate(savedinstancestate);requestwindowfeature(window.feature_no_title);setcontentview(r.layout.locallist);single = (radiobutton)findviewbyid(r.id.single);order = (radiobutton)findviewbyid(r.id.order);radom = (radiobutton)findviewbyid(r.id.radom);radiogroup

6、= (radiogroup)findviewbyid(r.id.menu);radiogroup.setoncheckedchangelistener(new oncheckedchangelistener() overridepublic void oncheckedchanged(radiogroup group, int checkedid) / todo auto-generated method stubif(checkedid = single.getid()mode = appconstant.jump_mode_single;else if(checkedid = order.

7、getid()mode = appconstant.jump_mode_order;else if(checkedid = radom.getid()mode = appconstant.jump_mode_radom;);overrideprotected void onlistitemclick(listview l, view v, int position, long id) / todo auto-generated method stubsuper.onlistitemclick(l, v, position, id);/mpsiterm mp3=mp3s.get(position

8、);intent preintent = new intent();preintent.putextra(position, position);preintent.putextra(cmd, appconstant.jump_cmd_prepare);preintent.putextra(mode, mode);preintent.setclass(localmpslist.this, listsrv.class);startservice(preintent);/*intent intent=new intent();intent.putextra(mp3, mp3);intent.set

9、class(this, mpsplayer.class);startactivity(intent);*/onstop();overrideprotected void onresume() / todo auto-generated method stubsuper.onresume();updatelistview();overrideprotected void onstop() / todo auto-generated method stubsuper.onstop();finish();private void updatelistview()fileutils fileutils

10、=new fileutils();mp3s=fileutils.getmp3files(mp3);if (mp3s=null)/如果本地目录找不到mp3文件mp3s=new arraylist();mpsiterm mp3=new mpsiterm();mp3.setname_mp3(没有mp3文件!);mp3.setsize_mp3(0);mp3s.add(mp3);adapterutils au=new adapterutils(this,r.layout.mp3info_item,mp3s);simpleadapter simpleadapter=au.buildsimpleadapte

11、r();setlistadapter(simpleadapter);itractivity.javapackage sled.develop;import android.app.activity;import android.os.bundle;public class itractivity extends activityoverrideprotected void oncreate(bundle savedinstancestate) / todo auto-generated method stubsuper.oncreate(savedinstancestate);setconte

12、ntview(r.roduction);overrideprotected void onstop() / todo auto-generated method stubsuper.onstop();finish();mpsplayer.javapackage sled.develop;import sled.develop.service.listsrv;import sled.develop.service.playersrv;import sled.utils.appconstant;import android.app.activity;import android

13、.content.broadcastreceiver;import android.content.context;import android.content.intent;import android.content.intentfilter;import android.graphics.bitmap;import android.graphics.bitmapfactory;import android.media.audiomanager;import android.os.bundle;import android.os.handler;import android.view.me

14、nu;import android.view.menuitem;import android.view.motionevent;import android.view.view;import android.view.view.onclicklistener;import android.widget.imagebutton;import android.widget.imageview;import android.widget.linearlayout;import android.widget.seekbar;import android.widget.textview;public c

15、lass mpsplayer extends activity implements appconstant private audiomanager am = null ;private intentfilter intentfilter=null;private broadcastreceiver receiver=null;private intent playintent=null;private intent intentnext = null ;private thread t = null ;private linearlayout ll = null;private image

16、button last_btn = null ;private imagebutton pause_btn = null ;private imagebutton play_btn = null ;private imagebutton next_btn = null ;private imagebutton list_btn = null ;private seekbar seekbar = null ;private textview time_view = null ;private textview lrc_view = null ;private textview mp3info_v

17、iew = null ;private imageview song_img = null ;private imageview volbar = null ;private imageview logo = null ;private int sysmaxvolume , curvolume;private int vol_id = r.drawable.vol_0,r.drawable.vol_1,r.drawable.vol_2,r.drawable.vol_3,r.drawable.vol_4,r.drawable.vol_5,r.drawable.vol_6,r.drawable.v

18、ol_7;private int logo_id = r.drawable.logo_0,r.drawable.logo_1,r.drawable.logo_2,;int logo_index = 0 ;float downx = 0 ;float downy = 0 ;float upx = 0 ;float upy = 0 ;float relatex ;float relatey ;long tempt = 0 ;long downt = 0 ;long movet = 0 ;long upt = 0 ;private float click_pointor = 80 ;/int cou

19、nt = 0 ;overrideprotected void oncreate(bundle savedinstancestate) super.oncreate(savedinstancestate);setcontentview(r.layout.main);ll = (linearlayout)findviewbyid(r.id.control_view);last_btn = (imagebutton)findviewbyid(r.id.last);last_btn.setonclicklistener(new lastonclicklistener();pause_btn = (im

20、agebutton)findviewbyid(r.id.pause);pause_btn.setonclicklistener(new pauseonclicklistener();play_btn = (imagebutton)findviewbyid(r.id.play);play_btn.setonclicklistener(new playonclicklistener();next_btn = (imagebutton)findviewbyid(r.id.next);next_btn.setonclicklistener(new nextonclicklistener();list_

21、btn = (imagebutton)findviewbyid(r.id.list);list_btn.setonclicklistener(new listonclicklistener();seekbar = (seekbar)findviewbyid(r.gressbar);seekbar.setonseekbarchangelistener(new seekbarlistener();time_view = (textview)findviewbyid(r.id.timeview);lrc_view = (textview)findviewbyid(r.id.lrcview

22、);mp3info_view = (textview)findviewbyid(r.id.mp3_info);song_img = (imageview)findviewbyid(r.id.img_of_the_song);volbar = (imageview)findviewbyid(r.id.volfasebar);logo = (imageview)findviewbyid(r.id.logo);overrideprotected void onresume() super.onresume();am = (audiomanager)getsystemservice(context.a

23、udio_service);sysmaxvolume = am.getstreammaxvolume(audiomanager.stream_music);receiver=new lrcmessbroadcastreceiver();/两个参数,一个是指明操作,一个是指明过滤registerreceiver(receiver,getintentfilter();initplayersrv();initlistsrv();dosomething(null,null);override public boolean oncreateoptionsmenu(menu menu) / todo au

24、to-generated method stub menu.add(0, 1, 1, 操作说明); menu.add(0, 2, 2, 完全退出); return super.oncreateoptionsmenu(menu); override public boolean onoptionsitemselected(menuitem item) / todo auto-generated method stub if(item.getitemid() = 1) intent tintent = new intent(); tintent.setclass(mpsplayer.this, i

25、tractivity.class); startactivity(tintent); else if(item.getitemid() = 2) stopservice(playintent); stopservice(intentnext); finish(); return true; overrideprotected void onrestart() super.onrestart();protected void onpause() super.onpause();unregisterreceiver(receiver);/一些基本布局public void dosomething(

26、string mp3info,string img)bitmap bm ;if(mp3info = null | img = null )mp3info = no music selected;song_img.setimageresource(r.drawable.logo_0);mp3info_view.settext(mp3info);else/system.out.println(img);mp3info = 当前播放： + mp3info;bm = bitmapfactory.decodefile(/sdcard/mp3/img/ + img);if(bm = null)song_i

27、mg.setimageresource(r.drawable.logo_0);elsesong_img.setimagebitmap(bm);mp3info_view.settext(mp3info);/* * 一些按钮和进度条的监听方法 * author administrator * */class lastonclicklistener implements onclicklisteneroverridepublic void onclick(view v) lastmusic();class pauseonclicklistener implements onclicklistener

28、overridepublic void onclick(view v) pausemp3();/t.start();class playonclicklistener implements onclicklisteneroverridepublic void onclick(view v) initplayersrv();playmp3();class nextonclicklistener implements onclicklisteneroverridepublic void onclick(view v) nextmusic();public void initlistsrv()int

29、entnext = new intent();intentnext.setclass(mpsplayer.this, listsrv.class);public void nextmusic()intentnext.putextra(cmd, appconstant.jump_cmd_next);startservice(intentnext);public void lastmusic()intent intentnext = new intent();intentnext.putextra(cmd, appconstant.jump_cmd_last);intentnext.setclas

30、s(mpsplayer.this, listsrv.class);startservice(intentnext);class seekbarlistener implements seekbar.onseekbarchangelistener/进度条事件响应public void onprogresschanged(seekbar arg0, int arg1, boolean arg2) public void onstarttrackingtouch(seekbar arg0) public void onstoptrackingtouch(seekbar arg0) if (seekb

31、ar.getmax() 0)/是一次点击事件if(math.abs(relatex) = click_pointor & math.abs(relatey) 500)intent intent = new intent();intent.setclass(mpsplayer.this, localmpslist.class);startactivity(intent);elsell.setvisibility(view.visible);t = new thread(tr);t.start();else if(math.abs(relatex) math.abs(relatey)if(down

32、x upx)nextmusic();else if(downx upx)lastmusic();else if(math.abs(relatex) math.abs(relatey)if(downy upy)turnvol(audiomanager.adjust_raise);upt = -1 ;/upx = upy = 0 ;return super.ontouchevent(event);/代码复用，关于音量调节public void turnvol(int value)am.adjuststreamvolume (audiomanager.stream_music, value,0);c

33、urvolume = am.getstreamvolume(audiomanager.stream_music);int num_pic = (7*curvolume)/sysmaxvolume ;volbar.setimageresource(vol_idnum_pic);volbar.setvisibility(view.visible);thread thread = new thread(tv);thread.start();/* * 音量条延迟线程 */handler vhandler = new handler();runnable tv = new runnable()overr

34、idepublic void run() try thread.sleep(1000); catch (interruptedexception e) e.printstacktrace();vhandler.post(vr);runnable vr = new runnable()overridepublic void run() volbar.setvisibility(view.gone);/* * 进度条等按钮延迟线程 */handler handler = new handler();runnable tr = new runnable()overridepublic void ru

35、n() try thread.sleep(5000); catch (interruptedexception e) e.printstacktrace();handler.post(r);runnable r = new runnable() overridepublic void run() ll.setvisibility(view.gone);listsrv.javapackage sled.develop.service;import java.util.arraylist;import java.util.random;import sled.model.mpsiterm;import sled.utils.appconstant;import sled.utils.fileutils;import android.app.service;import android.content.intent;import android.os.ibinder;public class listsrv e