Primary arithmetic app stage three sprint-first day

Team members: Chen Shuyun, Yang Jiane, Chen Xi

Team selection: Primary arithmetic App

Third Sprint stage time: 12.12~12.22

This release is the music playback function, can play music according to user needs while doing the problem, but also has a pause to play the music function, enhance the practicality of the app

Mainactivity.java:

Package Com.example.calculator;import Android.os.bundle;import Android.app.activity;import android.content.Intent; Import Android.util.log;import android.view.menu;import Android.view.view;import Android.view.View.OnClickListener Import Android.widget.button;public class Mainactivity extends Activity {private button Xunlian,choice;private button Playmusic; @Overrideprotected void OnCreate (Bundle savedinstancestate) {super.oncreate (savedinstancestate);        Setcontentview (R.layout.activity_main); Findview (); Playmusic.setonclicklistener (Startlis); xunlian= (Button) Findviewbyid (R.id.button1); LOG.I ("Playmusic", "Playmusic OnCreate is run"), choice= (Button) Findviewbyid (r.id.button2); Xunlian.setonclicklistener (New Onclicklistener () {@Overridepublic void OnClick (View arg0) {//TODO auto-generated method stubintent intent=new Inten T (); Intent.setclass (Mainactivity.this, Calculatorset.class); startactivity (intent); MainActivity.this.finish ();}}); Choice.setonclicklistener (New Onclicklistener () {@OverridepuBlic void OnClick (View arg0) {//TODO auto-generated method Stubintent intent=new Intent (); Intent.setclass ( Mainactivity.this, Choiceset.class); startactivity (intent); MainActivity.this.finish ();}});}    @Override protected void OnStart () {//TODO auto-generated Method Stub Super.onstart ();    LOG.I ("Playmusic", "Playmusic OnStart is run");    } @Override protected void Onrestart () {//TODO auto-generated Method Stub Super.onrestart ();    LOG.I ("Playmusic", "Playmusic Onrestart is run");    } @Override protected void Onresume () {//TODO auto-generated Method Stub super.onresume ();    LOG.I ("Playmusic", "Playmusic Onresume is run");    } @Override protected void OnStop () {//TODO auto-generated Method Stub super.onstop ();    LOG.I ("Playmusic", "Playmusic OnStop is run");    } @Override protected void OnPause () {//TODO auto-generated Method Stub super.onpause ();    LOG.I ("Playmusic", "Playmusic OnPause is run");   } @Override protected void OnDestroy () {//TODO auto-generated Method Stub Super.ondestroy ();    LOG.I ("Playmusic", "Playmusic OnDestroy is run");            } Private Onclicklistener Startlis=new Onclicklistener () {@Override public void OnClick (View v) {              TODO auto-generated Method Stub StartService (new Intent (Mainactivity.this, Musicservice.class)); Start Service}};p rivate void Findview () {//TODO auto-generated method stubplaymusic= (Button) findviewbyi D (r.id.playmusic);} @Overridepublic boolean Oncreateoptionsmenu (Menu menu) {//Inflate the menu; This adds items to the action bar if it is PR Esent.getmenuinflater (). Inflate (R.menu.main, menu); return true;}}

Activity_main.xml:

<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:backg round= "@drawable/sea" android:paddingbottom= "@dimen/activity_vertical_margin" android:paddingleft= "@dimen/ Activity_horizontal_margin "android:paddingright=" @dimen/activity_horizontal_margin "android:paddingtop=" @dimen/ Activity_vertical_margin "tools:context=". Mainactivity "> <textview android:id=" @+id/textview2 "android:layout_width=" Wrap_content "an droid:layout_height= "Wrap_content" android:layout_alignparenttop= "true" Android:layout_centerhorizontal= "Tru E "android:layout_margintop=" 122DP "android:text=" @string/hello_world "android:textsize=" @dimen/btnte Xtsize "/> <button android:id=" @+id/button1 "android:layout_width=" Wrap_content "Android:lay Out_height= "WRAp_content "android:layout_alignleft=" @+id/textview2 "android:layout_alignright=" @+id/textView2 "Android oid:layout_below= "@+id/textview2" android:layout_margintop= "56DP" android:text= "into the general training system" Android:tex Tsize= "@dimen/btntextsizes"/> <button android:id= "@+id/button2" style= "? Android:attr/buttonstylesm All "android:layout_width=" Wrap_content "android:layout_height=" Wrap_content "Android:layout_alignlef t= "@+id/button1" android:layout_alignright= "@+id/button1" android:layout_below= "@+id/button1" Android         : layout_margintop= "23DP" android:text= "Enter the selection training system" android:textsize= "@dimen/btntextsizes"/> <button         Android:id= "@+id/button3" style= "Android:attr/buttonstylesmall" android:layout_width= "Wrap_content" android:layout_height= "Wrap_content" android:layout_alignleft= "@+id/button2" Android:layout_alignrig       ht= "@+id/button2" android:layout_below= "@+id/button2" android:layout_margintop= "21DP" android:text= "into the exam topic system" Android: Textsize= "@dimen/btntextsizes"/> <button android:id= "@+id/playmusic" android:layout_width= "Wrap_co Ntent "android:layout_height=" Wrap_content "android:layout_alignparenttop=" true "android:background="        @drawable/music "/> <button android:id=" @+id/stopmusic "android:layout_width=" Wrap_content " android:layout_height= "Wrap_content" android:layout_alignbottom= "@+id/playmusic" android:layout_toRightOf= "@ +id/playmusic "android:background=" @drawable/button_blue_pause "/></relativelayout>

Musicservice.java:

Package Com.example.calculator;import Android.app.service;import Android.content.intent;import Android.media.mediaplayer;import Android.os.ibinder;import Android.util.log;public class MusicService extends Service{private MediaPlayer MP;    Private String tag= "Main";        @Overridepublic ibinder onbind (Intent arg0) {//TODO auto-generated method Stubreturn null;}    @Override public    void OnCreate () {        super.oncreate ();        Mp=mediaplayer.create (this,r.raw.big);        LOG.I (TAG, "Musicservice OnCreate is run");    }    @Override public    int Onstartcommand (Intent Intent, int flags, int startid) {    //TODO auto-generated method stub
   mp.start ();     LOG.I (TAG, "Musicservice Onstartcommand is run");     Return Super.onstartcommand (Intent, flags, Startid);        }    @Override public    void OnDestroy () {        Super.ondestroy ();        Mp.stop ();        LOG.I (TAG, "Musicservice OnDestroy is Running");}    }

Operation Result:

Primary arithmetic app stage three sprint-first day