How to easily set an image in full screen mode in your Android TV App?

This video provides the steps to show an image in full screen model for your Android TV App.

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Complete source code and other details:

package com.programmerworld.imageinfullscreenmodeinandroidtv;

import androidx.appcompat.app.AppCompatActivity;

import android.graphics.Bitmap;
import android.graphics.BitmapFactory;
import android.os.Bundle;
import android.view.View;
import android.widget.ImageView;

import java.io.IOException;
import java.io.InputStream;

public class MainActivity extends AppCompatActivity {
    private ImageView imageView;
    @Override
    protected void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.activity_main);

        imageView = findViewById(R.id.imageView);
    }

    public void buttonImageShow(View view){
        try {
            InputStream inputStream = getAssets().open("flower.jpg");
            Bitmap bitmapImage = BitmapFactory.decodeStream(inputStream);
            imageView.setImageBitmap(bitmapImage);
            imageView.setVisibility(View.VISIBLE);
        } catch (IOException e) {
            throw new RuntimeException(e);
        }
    }
}

<?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/button"
        android:layout_width="288dp"
        android:layout_height="76dp"
        android:layout_marginStart="336dp"
        android:layout_marginTop="56dp"
        android:onClick="buttonImageShow"
        android:text="Image in Full Screen Mode"
        app:layout_constraintStart_toStartOf="parent"
        app:layout_constraintTop_toTopOf="parent" />

    <ImageView
        android:id="@+id/imageView"
        android:layout_width="match_parent"
        android:layout_height="match_parent"
        android:visibility="invisible"
        app:srcCompat="@drawable/ic_launcher_background"
        tools:layout_editor_absoluteX="90dp"
        tools:layout_editor_absoluteY="0dp" />
</androidx.constraintlayout.widget.ConstraintLayout>

Screenshots: