android media player 歌曲即使在关闭应用程序后也没有关闭

Question

///////第一个 Activity///////////

public class MainActivity extends AppCompatActivity 
{
Button button;Button button3;MediaPlayer mp2;

    @Override

    protected void onCreate(Bundle savedInstanceState) 
{
        super.onCreate(savedInstanceState);

        setContentView(R.layout.activity_main);

        Toolbar toolbar = (Toolbar) findViewById(R.id.toolbar);

        setSupportActionBar(toolbar);

     button=(Button)findViewById(R.id.button);


        final MediaPlayer mp2 = MediaPlayer.create(this, R.raw.happy);

        button.setOnClickListener(new View.OnClickListener() 
{
            @Override

            public void onClick(View v)

            {

                Intent inent = new Intent(MainActivity.this, 
Main2Activity.class);

                startActivity(inent);



                if(mp2.isPlaying() == true)
{

                    mp2.pause();}


                else{

                    mp2.start();}

            }

        });



    }

}

/////////第二个 Activity

public class Main2Activity extends AppCompatActivity 
{
Button button2;MediaPlayer mp2;




    @Override

    protected void onCreate(Bundle savedInstanceState)
 {
        super.onCreate(savedInstanceState);

        setContentView(R.layout.activity_main2);






    }


}

Answer 1

在你的 onPause() 中试试这个

mp2.stop();