50.10 Loading and Using the Transition Set

Although a transition resource file has been created and populated with a change bounds transition, this will have no effect until some code is added to load the transitions into a TransitionManager instance and reference it in the scene changes. The changes to achieve this are as follows:

package com.ebookfrenzy.scenetransitions

import androidx.appcompat.app.AppCompatActivity

import android.os.Bundle

import android.transition.Scene

import android.view.View

import android.transition.TransitionManager

import android.transition.TransitionInflater

import android.transition.Transition

import kotlinx.android.synthetic.main.activity_main.*

 

class MainActivity : AppCompatActivity() {

 

    var scene1: Scene? = null

    var scene2: Scene? = null

    var transitionMgr: Transition? = null

 

    override fun...