public class MyPlayerActivity extends AppCompatActivity implements EasyVideoCallback {

    private static final String TEST_URL = "http://clips.vorwaerts-gmbh.de/big_buck_bunny.mp4";

    private EasyVideoPlayer player;

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

        // Grabs a reference to the player view
        player = (EasyVideoPlayer) findViewById(R.id.player);

        // Sets the callback to this Activity, since it inherits EasyVideoCallback
        player.setCallback(this);

        // Sets the source to the HTTP URL held in the TEST_URL variable.
        // To play files, you can use Uri.fromFile(new File("..."))
        player.setSource(Uri.parse(TEST_URL));

        // From here, the player view will show a progress indicator until the player is prepared.
        // Once it's prepared, the progress indicator goes away and the controls become enabled for the user to begin playback.
    }

    @Override
    public void onPause() {
        super.onPause();
        // Make sure the player stops playing if the user presses the home button.
        player.pause();
    }

    // Methods for the implemented EasyVideoCallback

    @Override
    public void onPreparing(EasyVideoPlayer player) {
        // TODO handle if needed
    }

    @Override
    public void onPrepared(EasyVideoPlayer player) {
        // TODO handle
    }

    @Override
    public void onBuffering(int percent) {
        // TODO handle if needed
    }

    @Override
    public void onError(EasyVideoPlayer player, Exception e) {
        // TODO handle
    }

    @Override
    public void onCompletion(EasyVideoPlayer player) {
        // TODO handle if needed
    }

    @Override
    public void onRetry(EasyVideoPlayer player, Uri source) {
        // TODO handle if used
    }

    @Override
    public void onSubmit(EasyVideoPlayer player, Uri source) {
        // TODO handle if used
    }

    @Override
    public void onStarted(EasyVideoPlayer player) {
        // TODO handle if needed
    }

    @Override
    public void onPaused(EasyVideoPlayer player) {
        // TODO handle if needed
    }
}

EasyVideoPlayer player = // ...

// Sets a video source to be played.
player.setSource(Uri);

// Sets a callback to receive normal player events.
player.setCallback(EasyVideoCallback);

// Sets a callback that can be used to retrieve updates of the current playback position.
player.setProgressCallback(EasyVideoProgressCallback);

// Starts or resumes playback.
player.start();

// Seeks to a position in the video.
player.seekTo(int);

// Pauses playback.
player.pause();

// Stops playback.
player.stop();

// Resets the player, allowing a new source to be set.
player.reset();

// Releases the underlying MediaPlayer and cleans up resources.
player.release();

// Shows the default controls. They can be hidden again if the user taps the player.
player.showControls();

// Hides the default controls. They can be shown again if the user taps the player.
player.hideControls().

// Shows the controls if they're hidden, hides them if they're shown.
player.toggleControls();

// Returns true if the default controls are currently shown.
player.isControlsShown();

// Hide the default controls and prevents them from being shown.
player.disableControls();

// Undoes disableControls()
player.enableControls();

// Returns true if the player has prepared for playback entirely
player.isPrepared();

// Returns true if the player is NOT paused.
player.isPlaying();

// Returns the current position of playback.
player.getCurrentPosition();

// Returns the total duration of the video.
player.getDuration();

EasyVideoPlayer player = // ...

// EasyVideoPlayer.LEFT_ACTION_NONE:     hides all left actions.
// EasyVideoPlayer.LEFT_ACTION_RESTART:  the default, shows the skip back to beginning button.
// EasyVideoPlayer.LEFT_ACTION_RETRY:    shows a textual 'Retry' button, invokes the onRetry() callback method.
player.setLeftAction(int);

// EasyVideoPlayer.RIGHT_ACTION_NONE:    the default, hides all right actions.
// EasyVideoPlayer.RIGHT_ACTION_SUBMIT:  shows a textual 'Submit' button, invokes the onSubmit() callback method.
// EasyVideoPlayer.RIGHT_ACTION_LABEL:   shows a textual label that can be customized with setCustomLabelText(CharSequence) and setCustomLabelTextRes(int);
player.setRightAction(int);

// Defaults to true. The controls fade out when playback starts.
player.setHideControlsOnPlay(boolean);

// Defaults to false. Immediately starts playback when the player becomes prepared.
player.setAutoPlay(boolean);

// Sets a position that will be skipped to right when the player becomes prepared. Only happens once when set.
player.setInitialPosition(int);

// Sets a custom string for the left retry action.
player.setRetryText(CharSequence);
player.setRetryTextRes(int);

// Sets a custom string for the right submit action.
player.setSubmitText(CharSequence);
player.setSubmitTextRes(int);

// Sets a custom drawable for the left restart action.
player.setRestartDrawable(Drawable);
player.setRestartDrawableRes(int);

// Sets a custom drawable for the play button.
player.setPlayDrawable(Drawable);
player.setPlayDrawableRes(int);

// Sets a custom drawable for the pause button.
player.setPauseDrawable(Drawable);
player.setPauseDrawableRes(int);

// Sets a theme color used to color the controls and labels. Defaults to your activity's primary theme color.
player.setThemeColor(int);
player.setThemeColorRes(int);

// Sets the left and right volume levels. The player must be prepared first.
player.setVolume(float, float);

// Sets whether or not the player will toggle fullscreen for its Activity when tapped.
player.setAutoFullscreen(false);
// Sets whether or not the player will start playback over when reaching the end.
player.setLoop(false);