43.6 Entering the First Scene

If the application were to be run now, only the blank layout represented by the activity_main.xml file would be displayed. Some code must, therefore, be added to the onCreate() method located in the MainActivity.java file so that the first scene is presented when the activity is created. This can be achieved as follows:

package com.ebookfrenzy.scenetransitions;

 

import androidx.appcompat.app.AppCompatActivity;

import android.os.Bundle;

import android.transition.Scene;

import android.transition.Transition;

import android.transition.TransitionManager;

import android.view.ViewGroup;

import android.view.View;

 

public class MainActivity extends AppCompatActivity {

 

    ViewGroup rootContainer;

    Scene scene1;

 

    @Override

    protected void onCreate(Bundle savedInstanceState) {

   &...