如何在另一个活动中点击按钮播放视频？

// 布局文件 activity_main.xml
<Button
    android:id="@+id/playButton"
    android:layout_width="wrap_content"
    android:layout_height="wrap_content"
    android:text="播放视频" />

<VideoView
    android:id="@+id/videoView"
    android:layout_width="match_parent"
    android:layout_height="wrap_content" />

// Java 代码 MainActivity.java
public class MainActivity extends AppCompatActivity {
    private Button playButton;
    private VideoView videoView;

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

        playButton = findViewById(R.id.playButton);
        videoView = findViewById(R.id.videoView);

        playButton.setOnClickListener(new View.OnClickListener() {
            @Override
            public void onClick(View v) {
                String videoPath = "android.resource://" + getPackageName() + "/" + R.raw.video_file;
                Uri videoUri = Uri.parse(videoPath);
                videoView.setVideoURI(videoUri);
                videoView.start();
            }
        });
    }
}