屏幕方向时如何避免音频停止（几毫秒）？

Question

我开发了一个在后台播放音频的应用。我遇到的问题是，当屏幕方向改变时，音频会停止几毫秒，然后继续。以下是相关代码：

import android.widget.Button;

public class MainActivity extends AppCompatActivity {

    private Integer images[]={R.drawable.pic1, R.drawable.pic2, R.drawable.pic3, R.drawable.pic4,R.drawable.pic5, R.drawable.pic6,....   

    private int currImage=0;
    MediaPlayer mp;

    @Override
    protected void onSaveInstanceState(Bundle outState) {
        super.onSaveInstanceState(outState);
        outState.putInt("currImageSaved", currImage);

        outState.putInt("time", (int)mp.getCurrentPosition());
    }

    @Override
    protected void onRestoreInstanceState(Bundle savedInstanceState) {
        super.onRestoreInstanceState(savedInstanceState);

        int last_pos = savedInstanceState.getInt("time");
        mp.seekTo(last_pos);
        mp.start();
     }

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

        if (savedInstanceState  != null)
        {
            currImage = savedInstanceState.getInt("currImageSaved", 0);
        }

        mp=MediaPlayer.create(this,R.raw.shlomoimagine);

        if (getResources().getConfiguration().orientation ==
                Configuration.ORIENTATION_PORTRAIT) {
            setContentView(R.layout.main_p);
        } else {
            setContentView(R.layout.main_l);
        }

        initializeImageSwitcher();
        setInitialImage();
        setImageRotateListener();
    }


    @Override
    protected void onPause() {
        super.onPause();
        mp.pause();

    }

    private void initializeImageSwitcher(){.....
    ......}

    private void setImageRotateListener() {......
    ....}

    private void setInitialImage() {....
    ....}

    private void setCurrentImage() {....
    ...}

    @Override
    protected void onResume() {
        super.onResume();
        mp.start();

    }
    ...
}

Answer 1

您可以使用服务在后台播放音乐。它不会在方向更改后重新创建。或者你可以添加

android:configChanges="orientation|screenSize|keyboardHidden"

进入您的 manifest.xml 以防止在方向改变时重新进行活动。但是这次你应该在 onConfigurationChanged 方法中手动填充新布局。