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Compiles without problem but crashes on phone with "there is a bug" error message #170

Description

@kiteandwindsurfer

App loads in phone but when pressing the button to start animation program crashes and closes. The phone displays message that the app "has a bug" and crashed. I've checked code against many online tutorials and cannot locate the issue.

MainActivity.java

package com.example.textreader6;

import androidx.appcompat.app.AppCompatActivity;

import android.os.Bundle;
import android.view.View;
import android.widget.Button;
import android.widget.TextView;

import com.daimajia.androidanimations.library.Techniques;
import com.daimajia.androidanimations.library.YoYo;

public class MainActivity extends AppCompatActivity {
    Button button;
    TextView textView;

    @Override
    protected void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.activity_main);

        button = findViewById(R.id.btn);
        textView = findViewById(R.id.textview);

        button.setOnClickListener(new View.OnClickListener() {
            @Override
            public void onClick(View v) {
                YoYo.with(Techniques.Swing).duration(1000).repeat(1).playOn(textView);
            }
        });
    }
}

build.gradle:

dependencies {

    implementation 'androidx.appcompat:appcompat:1.4.1'
    implementation 'com.google.android.material:material:1.6.0'
    implementation 'androidx.constraintlayout:constraintlayout:2.1.4'

    implementation 'com.daimajia.easing:library:2.0@aar'
    implementation 'com.daimajia.androidanimations:library:2.3@aar'

    testImplementation 'junit:junit:4.13.2'
    androidTestImplementation 'androidx.test.ext:junit:1.1.3'
    androidTestImplementation 'androidx.test.espresso:espresso-core:3.4.0'
}

activity_main.xml:

<?xml version="1.0" encoding="utf-8"?>
<RelativeLayout 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"
    android:gravity="center"
    android:orientation="vertical"
    tools:context=".MainActivity">

    <TextView
        android:id="@+id/textview"
        android:layout_width="wrap_content"
        android:layout_height="wrap_content"
        android:layout_alignParentEnd="true"
        android:text="Hello World!"
        android:textSize="30sp" />

    <Button
        android:id="@+id/btn"
        android:layout_width="wrap_content"
        android:layout_height="wrap_content"
        android:layout_alignParentStart="true"
        android:layout_alignParentEnd="true"
        android:layout_alignParentBottom="true"
        android:text="Button" />
</RelativeLayout>

Activity

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