배경음 넣기

public class MainActivity extends Activity {
    private static MediaPlayer back;

    @Override
    protected void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.activity_main);

        Button button3 = (Button) findViewById(R.id.button3);
        button3.setOnClickListener(new View.OnClickListener() {
            public void onClick(View v) {
                Toast.makeText(getApplicationContext(), "중지", Toast.LENGTH_LONG).show();
                finish();
            }

        });
    }


    public void OB4(View v) {
        Toast.makeText(getApplicationContext(), "music start", Toast.LENGTH_LONG).show();
        back=MediaPlayer.create(this, R.raw.ea);
        back.start();
        back.setLooping(true);
    }



    public void OB3(View v){
        Toast.makeText(getApplicationContext(),"borderlands",Toast.LENGTH_LONG).show();
        back.stop();