Android Development for Button Add audio instance

1.layout Layout file:

The code is as follows

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<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:background= "@drawable/activity_background" > <textview Android:id= "@+id/title_bar" Android:layout_width= "Fill_parent" android:layout_height= "45dip" Android:layout_alignparenttop= "true" Android:gravity= "Center_vertical|center_horizontal" android:background= "@drawable/theme_title_red" Android:textsize= "25dip" Android:textcolor= "#fff" android:text= "Key Sound test" Tools:context= ". Mainactivity "/> <button Android:id= "@+id/btn_test" Android:layout_width= "80dip" android:layout_height= "30dip" android:layout_below= "@+id/title_bar" android:layout_marginleft= "100dip" android:layout_margintop= "20dip" android:background= "@drawable/bg_btn_submit_selecter" /> </RelativeLayout>

2.Activity file:

The code is as follows

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Package com.jun.activity; Import Android.media.AudioManager; Import Android.media.SoundPool; Import Android.os.Bundle; Import android.app.Activity; Import Android.view.Menu; Import Android.view.View; Import Android.view.View.OnClickListener; Import Android.widget.Button; public class Mainactivity extends activity { Public Button Btn=null; Private Soundpool sp;//declares a soundpool private int music;//defines an integer with load (); To set Suondid @Override public void OnCreate (Bundle savedinstancestate) { Super.oncreate (savedinstancestate); Setcontentview (R.layout.activity_main); Init (); } private void init () { TODO auto-generated Method Stub Btn= (Button) Findviewbyid (r.id.btn_test); sp= New Soundpool (Ten, Audiomanager.stream_system, 5); The first parameter is the maximum number of simultaneous playback data streams, the second data stream type, and the third is sound quality Music = Sp.load (This, r.raw.key_sound, 1); Put your sound material into the Res/raw, the 2nd argument is the resource file, and the 3rd is the priority of the music. Btn.setonclicklistener (listener); } Private Onclicklistener Listener =new Onclicklistener () { @Override public void OnClick (View arg0) { TODO auto-generated Method Stub Sp.play (music, 1, 1, 0, 0, 1); }}; @Override public boolean Oncreateoptionsmenu (Menu menu) { Getmenuinflater (). Inflate (R.menu.activity_main, menu); return true; } }

3. Click on the Submit button, will automatically play,/src/raw folder under the Key_sound.mp3 music file!!!!!