如何使用远程URL在Android模拟器中播放mp4视频？

dependencies {
    implementation 'com.google.android.exoplayer:exoplayer:2.X.X'
}

<com.google.android.exoplayer2.ui.SimpleExoPlayerView
    android:id="@+id/player_view"
    android:layout_width="match_parent"
    android:layout_height="match_parent" />

import androidx.appcompat.app.AppCompatActivity;
import android.os.Bundle;
import com.google.android.exoplayer2.ExoPlayerFactory;
import com.google.android.exoplayer2.SimpleExoPlayer;
import com.google.android.exoplayer2.source.MediaSource;
import com.google.android.exoplayer2.source.ProgressiveMediaSource;
import com.google.android.exoplayer2.upstream.DataSource;
import com.google.android.exoplayer2.upstream.DefaultDataSourceFactory;
import com.google.android.exoplayer2.util.Util;
import com.google.android.exoplayer2.ui.SimpleExoPlayerView;

public class MainActivity extends AppCompatActivity {

    private SimpleExoPlayer player;
    private SimpleExoPlayerView playerView;

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

        playerView = findViewById(R.id.player_view);

        player = ExoPlayerFactory.newSimpleInstance(this);
        playerView.setPlayer(player);

        DataSource.Factory dataSourceFactory = new DefaultDataSourceFactory(this, Util.getUserAgent(this, "AppName"));
        String videoUrl = "https://example.com/video.mp4";
        MediaSource videoSource = new ProgressiveMediaSource.Factory(dataSourceFactory).createMediaSource(Uri.parse(videoUrl));

        player.prepare(videoSource);
        player.setPlayWhenReady(true);
    }

    @Override
    protected void onDestroy() {
        super.onDestroy();
        player.release();
    }
}