2023Androidアプリ入門:VideoView,mediaController（Bumblebee）

<?xml version="1.0" encoding="utf-8"?>
<androidx.constraintlayout.widget.ConstraintLayout xmlns:android="http://schemas.android.com/apk/res/android"
    xmlns:app="http://schemas.android.com/apk/res-auto"
    xmlns:tools="http://schemas.android.com/tools"
    android:layout_width="match_parent"
    android:layout_height="match_parent"
    tools:context=".MainActivity">

    <Button
        android:id="@+id/buttonId"
        android:layout_width="wrap_content"
        android:layout_height="wrap_content"
        android:layout_marginStart="145dp"
        android:layout_marginTop="20dp"
        android:layout_marginEnd="145dp"
        android:layout_marginBottom="16dp"
        android:onClick="playMovie"
        android:text="動画再生"
        app:layout_constraintBottom_toBottomOf="parent"
        app:layout_constraintEnd_toEndOf="parent"
        app:layout_constraintHorizontal_bias="0.481"
        app:layout_constraintStart_toStartOf="parent"
        app:layout_constraintTop_toTopOf="parent"
        app:layout_constraintVertical_bias="0.0" />

    <VideoView
        android:id="@+id/videoViewId"
        android:layout_width="410dp"
        android:layout_height="652dp"
        android:layout_marginTop="11dp"
        app:layout_constraintBottom_toBottomOf="parent"
        app:layout_constraintEnd_toEndOf="parent"
        app:layout_constraintStart_toStartOf="parent"
        app:layout_constraintTop_toBottomOf="@+id/buttonId" />
</androidx.constraintlayout.widget.ConstraintLayout>

package com.yakiimosan.demovideo;

import androidx.appcompat.app.AppCompatActivity;

import android.os.Bundle;
import android.view.View;
import android.widget.MediaController;
import android.widget.VideoView;

public class MainActivity extends AppCompatActivity {

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

    public void playMovie(View view){

        VideoView videoView = (VideoView)findViewById(R.id.videoViewId);

        //ビデオファイルの取得
        videoView.setVideoPath("android.resource://" + getPackageName() + "/" + R.raw.sapin);

        //ビデオのコントロール
        MediaController mediaController =new MediaController(this);
        mediaController.setAnchorView(videoView);
        videoView.setMediaController(mediaController);

        //再生
        videoView.start();
    }
}