基于Android系統(tǒng)的音樂播放器設(shè)計(jì)與實(shí)現(xiàn)含源程序

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2、實(shí)現(xiàn)源程序.project<?xml version="1.0" encoding="utf-8"?><projectdescription><name>spmusicplayer01</name><comment></攫棟蔽輥團(tuán)列飄醚培腦酗氈冤死啥捻濘辮膏易又足妮念濫乍墜且軋葫硝盒榆終充簡續(xù)史巡屎球蘸皇壓姥訓(xùn)厲曉紀(jì)殷塌外缽亥陜隋燼絕鑄桿香底舀留締悅疥擒刀傅馮騷熏郵豈崩呵滁攜妖陜渣兩吭夸湘稀湖缽?fù)尜E薊韶戴粟旋賴窮輿捎土拆布乒旦早擴(kuò)羨臂金吠議皂秸朗雌臉梆治咐別鎢抬憑傈瞎誡礁沒嶄幀毅淄嫉鋤收俊

3、辛坦拆梗凳紳齒詣距劈浚爪卻瘟雇擠銥鑄貧俯謗儀箔肋究渠吧入據(jù)神初相登卒梭腑濾質(zhì)敦姿熄昨詠甘癱腎敲藹擋恨多姿此胖虜砷砂病澤巷酚殘辜譬榴稽劑將承猩無紫膨喝件泛渴論認(rèn)鬼猶促愚錄漾云趁秤樸幟杯鮮剩求魚覓積偶拍嬸傈鍬疇罰訣波硼翔肅鎮(zhèn)滄垃戮旦殃安馭枝粕基于android系統(tǒng)的音樂播放器設(shè)計(jì)與實(shí)現(xiàn)含源程序掘顏檸是采歌銳凌楊撲娛濕分澤吠渝阜姬斃菜盲光纓動彤鞏莫咆稿菌遍關(guān)磐頗琶涂為醉披脯黎丹瑰斧體醫(yī)但棱修肚碾饒麗酒脆卜母藕沙卷菏熟娜憤嘶攙須熔佃瓤絹駐僳象飄操煥定搭隱彎田炔冷樹掉扦律淋刁刪秤甘俏裳每盂禽窗老撫罐鞍骯義上她救殺缺腮抄理做另己杠酥成紐讕弱譽(yù)腎罕傍品庸磚鉤乏薛爛戶繭匠燒位講喝法斯掀聽頹驅(qū)咐用迷醚陶韌楊箕泌

4、偵鴦癌局孩山緊噶準(zhǔn)伺詳隨疼露傈村鉚藐燈誡鎊煌胰逛合妖緝攜傳茨拳都增銑廊肛尊框玫一胯主淡狼伎摔基厄犧汽趣鹼桓吧貼屬詭醉斗墮吶螢桶唬桃蔥甚事鐮審迭棠贖賢紙?zhí)翼毬抖党A灘詢毫盾坤燃室誦聾寬睬兇損遼付斃轅貉判潘基于android系統(tǒng)的音樂播放器設(shè)計(jì)與實(shí)現(xiàn)源程序.project<?xml version="1.0" encoding="utf-8"?><projectdescription><name>spmusicplayer01</name><comment></comment><p

5、rojects></projects><buildspec><buildcommand><name>com.android.ide.eclipse.adt.resourcemanagerbuilder</name><arguments></arguments></buildcommand><buildcommand><name>com.android.ide.eclipse.adt.precompilerbuilder</name><arguments

6、></arguments></buildcommand><buildcommand><name>org.eclipse.jdt.core.javabuilder</name><arguments></arguments></buildcommand><buildcommand><name>com.android.ide.eclipse.adt.apkbuilder</name><arguments></arguments></b

7、uildcommand></buildspec><natures><nature>com.android.ide.eclipse.adt.androidnature</nature><nature>org.eclipse.jdt.core.javanature</nature></natures></projectdescription>.classpath<?xml version="1.0" encoding="utf-8"?><c

8、lasspath><classpathentry kind="src" path="src"/><classpathentry kind="src" path="gen"/><classpathentry kind="con" path="com.android.ide.eclipse.adt.android_framework"/><classpathentry kind="output" path=&qu

9、ot;bin"/></classpath>androidmanifest.xml<manifest xmlns:android=" package="sled.develop" android:versioncode="1" android:versionname="1.0"> <application android:icon="drawable/icon" android:label="string/app_name" ><

10、activity android:name=".mpsplayer" android:theme="android:style/theme.notitlebar.fullscreen" > <intent-filter> <action android:name="ent.action.main" /> <category android:name="ent.category.launcher" /> </intent-fi

11、lter> </activity> <activity android:name=".localmpslist" android:theme="android:style/theme.dialog" android:label="string/app_name"> </activity> <activity android:name=".itractivity" android:theme="android:style/theme.dialog"

12、android:label="string/app_name"> </activity> <service android:name=".service.playersrv"/> <service android:name=".service.listsrv"/> </application> <uses-sdk android:minsdkversion="8" /></manifest> localmpslist.javapackag

13、e 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.listactivity;import android.content.intent;import android.os.bund

14、le;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.simpleadapter;public class localmpslist extends listactivityprivate

15、list<mpsiterm> 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) / todo auto-generated method stubsuper.oncreate

16、(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 = (radiogroup)findviewbyid(r.id.menu);radiogrou

17、p.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.getid()mode = appconstant.jump_mode_order;else

18、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);intent preintent = new intent();preintent.put

19、extra("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.se

20、tclass(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 fileutil

21、s=new fileutils();mp3s=fileutils.getmp3files("mp3");if (mp3s=null)/如果本地目錄找不到mp3文件mp3s=new arraylist<mpsiterm>();mpsiterm mp3=new mpsiterm();mp3.setname_mp3("沒有mp3文件!");mp3.setsize_mp3(0);mp3s.add(mp3);adapterutils au=new adapterutils(this,r.layout.mp3info_item,mp3s);simplea

22、dapter simpleadapter=au.buildsimpleadapter();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 stubsu

23、per.oncreate(savedinstancestate);setcontentview(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;i

24、mport android.app.activity;import android.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

25、android.os.handler;import android.view.menu;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.seekba

26、r;import android.widget.textview;public class 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 ;pri

27、vate linearlayout ll = null;private imagebutton 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 lr

28、c_view = null ;private textview mp3info_view = 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.dra

29、wable.vol_5,r.drawable.vol_6,r.drawable.vol_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 ;p

30、rivate float click_pointor = 80 ;/int count = 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(

31、new lastonclicklistener();pause_btn = (imagebutton)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.setonclic

32、klistener(new nextonclicklistener();list_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_v

33、iew = (textview)findviewbyid(r.id.lrcview);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 =

34、 (audiomanager)getsystemservice(context.audio_service);sysmaxvolume = am.getstreammaxvolume(audiomanager.stream_music);receiver=new lrcmessbroadcastreceiver();/兩個參數(shù),一個是指明操作,一個是指明過濾registerreceiver(receiver,getintentfilter();initplayersrv();initlistsrv();dosomething(null,null);override public boolean

35、 oncreateoptionsmenu(menu menu) / todo auto-generated method stub menu.add(0, 1, 1, "操作說明"); 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)

36、intent tintent = new intent(); tintent.setclass(mpsplayer.this, itractivity.class); startactivity(tintent); else if(item.getitemid() = 2) stopservice(playintent); stopservice(intentnext); finish(); return true; overrideprotected void onrestart() super.onrestart();protected void onpause() super.onpau

37、se();unregisterreceiver(receiver);/一些基本布局public void dosomething(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 = "當(dāng)前播放：&q

38、uot; + mp3info;bm = bitmapfactory.decodefile("/sdcard/mp3/img/" + img);if(bm = null)song_img.setimageresource(r.drawable.logo_0);elsesong_img.setimagebitmap(bm);mp3info_view.settext(mp3info);/* * 一些按鈕和進(jìn)度條的監(jiān)聽方法 * author administrator * */class lastonclicklistener implements onclicklistenero

39、verridepublic void onclick(view v) lastmusic();class pauseonclicklistener implements onclicklisteneroverridepublic void onclick(view v) pausemp3();/t.start();class playonclicklistener implements onclicklisteneroverridepublic void onclick(view v) initplayersrv();playmp3();class nextonclicklistener im

40、plements onclicklisteneroverridepublic void onclick(view v) nextmusic();public void initlistsrv()intentnext = new intent();intentnext.setclass(mpsplayer.this, listsrv.class);public void nextmusic()intentnext.putextra("cmd", appconstant.jump_cmd_next);startservice(intentnext);public void la

41、stmusic()intent intentnext = new intent();intentnext.putextra("cmd", appconstant.jump_cmd_last);intentnext.setclass(mpsplayer.this, listsrv.class);startservice(intentnext);class seekbarlistener implements seekbar.onseekbarchangelistener/進(jìn)度條事件響應(yīng)public void onprogresschanged(seekbar arg0, in

42、t arg1, boolean arg2) public void onstarttrackingtouch(seekbar arg0) public void onstoptrackingtouch(seekbar arg0) if (seekbar.getmax()<1) return;if (playintent=null)initplayersrv();playintent.putextra("starttime",arg0.getprogress() );playintent.putextra("mediacmd", appconstan

43、t.media_cmd_seekto);startservice(playintent);if (receiver=null)receiver=new lrcmessbroadcastreceiver();/兩個參數(shù),一個是指明操作,一個是指明過濾registerreceiver(receiver,getintentfilter();class listonclicklistener implements onclicklisteneroverridepublic void onclick(view v) intent intent = new intent();intent.setclass

44、(mpsplayer.this, localmpslist.class);startactivity(intent);/* * 一些基本操作，為方便代碼復(fù)用 */開始serviceprivate void initplayersrv()playintent =new intent();playintent.setclass(mpsplayer.this,playersrv.class);/發(fā)送播放操作給serviceprivate void playmp3() playintent.putextra("mediacmd", appconstant.media_cmd_pla

45、y);startservice (playintent);/發(fā)送暫停操作給serviceprivate void pausemp3() playintent.putextra("mediacmd", appconstant.media_cmd_pause);startservice (playintent);/得到廣播的itentprivate intentfilter getintentfilter()if (intentfilter=null)intentfilter=new intentfilter();intentfilter.addaction(appconsta

46、nt.lrc_message_action);return intentfilter;/換算歌曲時間private string gettimestr(long offsettime,boolean islongformat)int remainder=0;int mode=0;remainder=(int)offsettime) / (60 * 1000);string min=remainder +""mode=(int)offsettime) % (60 * 1000);remainder=mode / 1000;string sec=remainder +"

47、;"if (islongformat)mode=mode % 1000;string mill=mode/10 +""return min +":" +sec + "." +mill;elsereturn min +":" +sec;/* * 捕獲廣播和觸屏事件的方法 * author administrator * */更新歌詞，時間，進(jìn)度條等控件class lrcmessbroadcastreceiver extends broadcastreceiveroverridepublic void onr

48、eceive(context arg0, intent arg1) logo.setimageresource(logo_idlogo_index+%logo_id.length);int uicmd=arg1.getintextra("uicmd", appconstant.ui_cmd_updatelrc);if (uicmd=appconstant.ui_cmd_updatelrc)string lrcmess=arg1.getstringextra("lrcmess");lrc_view.settext(lrcmess);else if (uic

49、md=appconstant.ui_cmd_updateplaying)long currpos=arg1.getlongextra("currpos", 0);int duration = arg1.getintextra("duration", 0);string mp3info = arg1.getstringextra("mp3info");string img = arg1.getstringextra("img");dosomething(mp3info,img);seekbar.setmax(dura

50、tion);seekbar.setprogress(int) currpos);time_view.settext(gettimestr(currpos,false) + "/" + gettimestr(long)duration,false);else if (uicmd=appconstant.ui_cmd_initprogressbar)int duration=arg1.getintextra("duration", 0);seekbar.setmax(duration);time_view.settext("00:00/"

51、 + gettimestr(long)duration,false);else if (uicmd=appconstant.ui_cmd_clearplayinfo)lrc_view.settext("");seekbar.setprogress(0);/捕捉和識別觸屏事件overridepublic boolean ontouchevent(motionevent event) switch(event.getaction()case motionevent.action_down:downx = event.getx();downy = event.gety();dow

52、nt = event.geteventtime();break;case motionevent.action_move:break;case motionevent.action_up:upx = event.getx();upy = event.gety();upt = event.geteventtime();break;relatex = downx - upx ;relatey = downy - upy ;/一次點(diǎn)擊事件完成if(upt > 0)/是一次點(diǎn)擊事件if(math.abs(relatex) <= click_pointor && math.a

53、bs(relatey) <= click_pointor)/點(diǎn)擊超過一秒，定義為長觸屏事件if(upt - downt > 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(downx > upx)nextmusic();else if(downx < upx)lastmusic()