TermApp/app/src/main/java/com/xypower/mpapp/video/VideoActivity.java

package com.xypower.mpapp.video;

import androidx.appcompat.app.AppCompatActivity;

import android.os.Bundle;

import com.xypower.mpapp.R;

public class VideoActivity extends AppCompatActivity {

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

        if (null == savedInstanceState) {
            getSupportFragmentManager().beginTransaction()
                    .replace(R.id.container, VideoFragment.newInstance())
                    .commit();
        }
    }
}