《第一行代码》出现bug Cannot resolve method 'initMediapayer()'

Question

package cn.qf.bluetoothdevelopment;        import android.Manifest;
        import android.content.pm.PackageManager;
        import android.media.MediaPlayer;
        import android.support.v4.app.ActivityCompat;
        import android.support.v4.content.ContextCompat;
        import android.support.v7.app.AppCompatActivity;
        import android.os.Bundle;
        import android.view.View;
        import android.widget.Button;public class MainActivity extends AppCompatActivity implements View.OnClickListener {
    private MediaPlayer mediaPlayer = new MediaPlayer();    @Override
    public void onClick(View v) {
    }    protected void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.activity_main);
        Button play = (Button) findViewById(R.id.play);
        Button pause = (Button) findViewById(R.id.pause);
        Button stop = (Button) findViewById(R.id.stop);
        play.setOnClickListener(this);
        pause.setOnClickListener(this);
        stop.setOnClickListener(this);
        if (ContextCompat.checkSelfPermission(MainActivity.this,Manifest.permission.
                WRITE_EXTERNAL_STORAGE) != PackageManager.PERMISSION_GRANTED) {
            ActivityCompat.requestPermissions(MainActivity.this, new String[]{
                    Manifest.permission.WRITE_EXTERNAL_STORAGE}, 1);
        }else{
            initMediapayer();
        }
    }
}

Answer 1

你这个initMediapayer()的方法没写吧