Open up MainActivity and its layout (activity_main.xml) Create fields for each view, and initialize them in onCreate() using findViewById() Add click listeners to viewPropertyAnimationsButton and objectAnimationsButton to launch ViewPropertyAnimationsActivity and ObjectAnimationsActivity, respectively You'll have a crash to fix when launching ObjectAnimationsActivity. Fix this before moving forward.

MainActivity.java

package com.csci38004.assignment2;

import android.os.Bundle;

import android.support.v7.app.AppCompatActivity;

public class MainActivity extends AppCompatActivity {

@Override

protected void onCreate(Bundle savedInstanceState) {

super.onCreate(savedInstanceState);

setContentView(R.layout.activity_main);

} }

activity_main.xml code: