Create a Dialog Fragment Full Screen

fragmentDialogFullScreen.java

ANDROID

THIS IS THE ACTIVITY CLASS
=============================================================================================================================

public class AyudaEntelDialog extends android.support.v4.app.DialogFragment{
   private ImageView ivExit;
   private VideoView vvTutorial;
   private View rootView;

    @NonNull
    @Override
    public Dialog onCreateDialog(Bundle savedInstanceState) {
        Dialog dialog = super.onCreateDialog(savedInstanceState);
        dialog.getWindow().requestFeature(Window.FEATURE_NO_TITLE);
        dialog.getWindow().setFlags(WindowManager.LayoutParams.FLAG_FULLSCREEN, WindowManager.LayoutParams.FLAG_FULLSCREEN);
        return dialog;
    }

    @Nullable
    @Override
    public View onCreateView(LayoutInflater inflater, @Nullable ViewGroup container, @Nullable Bundle savedInstanceState) {
        rootView = inflater.inflate(R.layout.dialog_ayuda_dialog, container, false);
        findViewsByIds();
        preCargar();
        eventos();

        return rootView;
    }

    private void findViewsByIds() {
        ivExit = rootView.findViewById(R.id.ivExit);
        vvTutorial = rootView.findViewById(R.id.vvTutorial);
    }

    private void preCargar() {
        playTutorial();

        Drawable myIcon = getResources().getDrawable(R.drawable.letter_x);
        ColorFilter filter = new LightingColorFilter( getResources().getColor(R.color.colorOrange), getResources().getColor(R.color.colorOrange));
        myIcon.setColorFilter(filter);
        ivExit.setImageDrawable(myIcon);
    }

    private void eventos() {
        vvTutorial.setOnCompletionListener(new MediaPlayer.OnCompletionListener() {
            @Override
            public void onCompletion(MediaPlayer mp) {
                dismiss();
            }
        });

        ivExit.setOnClickListener(new View.OnClickListener() {
            @Override
            public void onClick(View v) {
                dismiss();
            }
        });
    }

    @Override
    public void onResume() {
        super.onResume();
        Window window = getDialog().getWindow();
        WindowManager.LayoutParams layoutParams = getDialog().getWindow().getAttributes();
        layoutParams.dimAmount = 0;
        window.setLayout(ViewGroup.LayoutParams.MATCH_PARENT, ViewGroup.LayoutParams.WRAP_CONTENT);
        window.setGravity(Gravity.CENTER);
        getDialog().getWindow().setAttributes(layoutParams);
    }
    private void playTutorial(){
        try{
            vvTutorial.setVideoPath(Constantes.VIDEO_TUTORIAL);
            vvTutorial.start();

            vvTutorial.setOnErrorListener(new MediaPlayer.OnErrorListener() {
                @Override
                public boolean onError(MediaPlayer mp, int what, int extra) {
                    mp.stop();
                    dismiss();
                    return true;
                }
            });
        }catch(Exception e){
            e.printStackTrace();
            Toast.makeText(getContext() ,"No se cargo el video", Toast.LENGTH_SHORT).show();
        }
    }
}

THIS IS THE LAYOUT OF THE DIALOG
=============================================================================================================================
<?xml version="1.0" encoding="utf-8"?>
<FrameLayout
    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="wrap_content"
    tools:context="com.dsbmobile.entel.autoasistido.view.dialog.AyudaEntelDialog">

    <VideoView
        android:id="@+id/vvTutorial"
        android:layout_width="match_parent"
        android:layout_height="match_parent"/>



        <ImageView
            android:id="@+id/ivExit"
            android:layout_width="wrap_content"
            android:layout_height="wrap_content"
            android:layout_gravity="end"
            android:padding="24dp"/>
</FrameLayout>

METHOD THAT EXECUTES IT
===============================================================================================================================
private void mostrarDialog(String titulo, String mensaje, int tipoDialog){
        MensajeErrorDialog mensajeErrorDialog = MensajeErrorDialog.newInstance(titulo, mensaje, tipoDialog);
        mensajeErrorDialog.show(getSupportFragmentManager(), "mensajeDialog");
    }