Music and video players in Android calling Systems

Package com. eboy. testsystemaudiovideo;

Import Android. App. activity;
Import Android. content. intent;
Import android.net. Uri;
Import Android. OS. Bundle;
Import Android. OS. environment;
Import Android. View. view;
Import Android. View. View. onclicklistener;
Import Android. widget. Button;

Public class mainactivity extends activity {

@ Override
Public void oncreate (bundle savedinstancestate ){
Super. oncreate (savedinstancestate );
Setcontentview (R. layout. activity_main );

Button btnaudio = (button) This. findviewbyid (R. Id. button1 );

Btnaudio. setonclicklistener (New onclicklistener (){

@ Override
Public void onclick (view v ){
Intent it = new intent (intent. action_view );
It. setdataandtype (URI. parse ("file: //" + environment. getexternalstoragedirectory () + "/a. MP3"), "audio/MP3 ");
Startactivity (it );
}
});

Button btnvideo = (button) This. findviewbyid (R. Id. button2 );

Btnvideo. setonclicklistener (New onclicklistener (){

@ Override
Public void onclick (view v ){
Intent intent = new intent (intent. action_view );
Intent. setdataandtype (URI. parse (environment. getexternalstoragedirectory () + "/3.mp4"), "Video/MP4 ");
Startactivity (intent );
}
});
}
}