public class MainActivity extends AppCompatActivity 
        implements ExoPlayerListener, ExoAdListener{
        
    public static final String SAMPLE_1 = "http://...video.m3u8";
    public static final String TEST_TAG_URL = "https://pubads.g.doubleclick.net/...";
    private ExoPlayerHelper mExoPlayerHelper;

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

        SimpleExoPlayerView exoPlayerView = findViewById(R.id.exoPlayerView);

        mExoPlayerHelper = new ExoPlayerHelper.Builder(this, exoPlayerView)
                .addMuteButton(false, false)
                .setUiControllersVisibility(false)
                .setRepeatModeOn(true)
                .setAutoPlayOn(false)
                .setVideoUrls(SAMPLE_1)
                .setTagUrl(TEST_TAG_URL)
                .setExoPlayerEventsListener(this)
                .setExoAdEventsListener(this)
                .addSavedInstanceState(savedInstanceState)
                .setThumbImageViewEnabled(this)
                .enableLiveStreamSupport()
                .createAndPrepare();
}


// Lifecycle events

@Override
protected void onSaveInstanceState(Bundle outState) {
    mExoPlayerHelper.onSaveInstanceState(outState);
    super.onSaveInstanceState(outState);
}

@Override
protected void onStart() {
    super.onStart();
    mExoPlayerHelper.onActivityStart();
}

@Override
protected void onResume() {
    super.onResume();
    mExoPlayerHelper.onActivityResume();
}

@Override
protected void onPause() {
    super.onPause();
    mExoPlayerHelper.onActivityPause();
}

@Override
protected void onStop() {
    super.onStop();
    mExoPlayerHelper.onActivityStop();
}

@Override
protected void onDestroy() {
    super.onDestroy();
    mExoPlayerHelper.onActivityDestroy();
}

// ExoPlayerListener methods

@Override
public void onThumbImageViewReady(ImageView imageView) {
    Picasso.with(this)
            .load(THUMB_IMG_URL)
            .placeholder(R.drawable.place_holder)
            .error(R.drawable.error_image)
            .into(imageView);
}

@Override
public void onLoadingStatusChanged(boolean isLoading, long bufferedPosition, int bufferedPercentage) {}

@Override
public void onPlayerPlaying(int currentWindowIndex) {}

@Override
public void onPlayerPaused(int currentWindowIndex) {}

@Override
public void onPlayerBuffering(int currentWindowIndex) {}

@Override
public void onPlayerStateEnded(int currentWindowIndex) {}

@Override
public void onPlayerStateIdle(int currentWindowIndex) {}

@Override
public void onPlayerError(String errorString) {}

@Override
public void createExoPlayerCalled(boolean isToPrepare) {}

@Override
public void releaseExoPlayerCalled() {}

@Override
public void onVideoResumeDataLoaded(int window, long position, boolean isResumeWhenReady) {}

@Override
public void onVideoTapped() {}

@Override
public boolean onPlayBtnTap() {
    return false;
}

@Override
public boolean onPauseBtnTap() {
    return false;
}

@Override
public void onTracksChanged(int currentWindowIndex, int nextWindowIndex, boolean isPlayBackStateReady) {}

@Override
public void onMuteStateChanged(boolean isMuted) {}


// ExoAdListener methods

@Override
public void onAdPlay() {}

@Override
public void onAdPause() {}

@Override
public void onAdResume() {}

@Override
public void onAdEnded() {}

@Override
public void onAdError() {}

@Override
public void onAdLoadError() {}

@Override
public void onAdClicked() {}

@Override
public void onAdTapped() {}