Play Youtube videos with YouTubePlayer 유튜브 플레이어로 유튜브 영상 재생하기

A YouTubePlayer provides methods for loading, playing and controlling YouTube video playback.

Copy 'YouTubeAndroidPlayerApi.jar' to 'app/libs' and sync project with gradle files.

<AndroidManifest.xml>

    <uses-permission android:name="android.permission.INTERNET"/>

<activity_main.xml>

    <com.google.android.youtube.player.YouTubePlayerView
        android:layout_width="match_parent"
        android:layout_height="match_parent"
        android:id="@+id/youTubePlayerView"/>

<MainActivity.java>

public class MainActivity extends YouTubeBaseActivity {
 
    YouTubePlayerView youTubePlayerView;
    YouTubePlayer player;
 
    private static String API_KEY = "AIyaSyDpsLddBj2ISc-NHU4sxWFh4JlcHNELir8";  // Your API Key
    private static String videoId = "Mx5GmonOiKo"; // Youtube video ID from https://youtu.be/Mx5GmonOiKo
 
    @Override
    protected void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.activity_main);
 
        initPlayer();
 
        Button button = findViewById(R.id.button);
        button.setOnClickListener(new View.OnClickListener() {
            @Override
            public void onClick(View v) {
                loadVideo();
            }
        });
 
        Button button2 = findViewById(R.id.button2);
        button2.setOnClickListener(new View.OnClickListener() {
            @Override
            public void onClick(View v) {
                playVideo();
            }
        });
    }
 
    public void initPlayer() {
        youTubePlayerView = findViewById(R.id.youTubePlayerView);
        youTubePlayerView.initialize(API_KEY, new YouTubePlayer.OnInitializedListener() {
            @Override
            public void onInitializationSuccess(YouTubePlayer.Provider provider, final YouTubePlayer youTubePlayer, boolean b) {
 
                player = youTubePlayer;
 
                youTubePlayer.setPlayerStateChangeListener(new YouTubePlayer.PlayerStateChangeListener() {
                    @Override
                    public void onLoading() {
 
                    }
 
                    @Override
                    public void onLoaded(String s) {
                        Toast.makeText(getApplicationContext(), s + " loaded", Toast.LENGTH_SHORT).show();
                    }
 
                    @Override
                    public void onAdStarted() {
 
                    }
 
                    @Override
                    public void onVideoStarted() {
 
                    }
 
                    @Override
                    public void onVideoEnded() {
 
                    }
 
                    @Override
                    public void onError(YouTubePlayer.ErrorReason errorReason) {
 
                    }
                });
            }
 
            @Override
            public void onInitializationFailure(YouTubePlayer.Provider provider, YouTubeInitializationResult youTubeInitializationResult) {
 
            }
        });
    }
 
    public void loadVideo() {
        if (player != null) {
            player.cueVideo(videoId);
            // Loads the specified video's thumbnail and prepares the player to play the video, but does not download any of the video stream
            // until play() is called.
        }
    }
 
    public void playVideo() {
        if (player != null) {
            if (player.isPlaying()) {
                player.pause();
            } else {
                player.play();
            }
        }
    }
}

Your activity needs to extend YouTubeBaseActivity.

Run the app and click the LOAD button.

It loads the video.

Play and enjoy the video.