Android / Deyan's Guessing Game

---MainActivity.java---

package com.example.deyansguessinggame;

import androidx.appcompat.app.AppCompatActivity;

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

public class MainActivity extends AppCompatActivity {

    private EditText edtNumber;
    private Button button;
    private TextView message;

    private int theNumber;

    public void gameEngine(){
        String numEnt = edtNumber.getText().toString();
        String msg="";
        int guess = Integer.parseInt(numEnt);
        try {
            if (guess > theNumber) {
                 msg = guess + " was too high. Try again!";
                 message.setText(msg);
             } else if (guess < theNumber) {
                 msg = guess + " was too low. Try again!";
                 message.setText(msg);
             } else {
                 message.setText("Correct. You Win!!!");
                 newGame();
             }
         }
        catch (Exception excp){
            message.setText("The number has to be between 1 and 100");
            edtNumber.setText(String.valueOf(0));
        }finally {
            edtNumber.requestFocus();
            edtNumber.selectAll();
        }
    }

    @Override
    protected void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.activity_main);
        edtNumber = (EditText) findViewById(R.id.editNumber);
        button = (Button) findViewById(R.id.button);
        message = (TextView) findViewById(R.id.textMessage);
        newGame();
        button.setOnClickListener(new View.OnClickListener() {
            @Override
            public void onClick(View v) {
                gameEngine();
            }
        });
    }

    public void newGame(){
        theNumber = (int) (Math.random() * 100 + 1

*********************************************************************************************

---activity_main.xml---

<?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">

    <TextView
        android:id="@+id/textView"
        android:layout_width="wrap_content"
        android:layout_height="wrap_content"
        android:layout_marginTop="68dp"
        android:text="Deyan's Guessing Game"
        android:textColor="#3F51B5"
        android:textSize="30sp"
        android:textStyle="bold"
        app:layout_constraintEnd_toEndOf="parent"
        app:layout_constraintHorizontal_bias="0.494"
        app:layout_constraintStart_toStartOf="parent"
        app:layout_constraintTop_toTopOf="parent" />

    <TextView
        android:id="@+id/textView2"
        android:layout_width="wrap_content"
        android:layout_height="wrap_content"
        android:layout_marginTop="164dp"
        android:text="Enter a number between 1 and 100:"
        android:textSize="18sp"
        app:layout_constraintEnd_toEndOf="parent"
        app:layout_constraintStart_toStartOf="parent"
        app:layout_constraintTop_toTopOf="parent" />

    <Button
        android:id="@+id/button"
        android:layout_width="138dp"
        android:layout_height="62dp"
        android:layout_marginTop="332dp"
        android:text="GUESS"
        android:textSize="24sp"
        app:backgroundTint="#CDDC39"
        app:layout_constraintEnd_toEndOf="parent"
        app:layout_constraintHorizontal_bias="0.498"
        app:layout_constraintStart_toStartOf="parent"
        app:layout_constraintTop_toTopOf="parent" />

    <EditText
        android:id="@+id/editNumber"
        android:layout_width="56dp"
        android:layout_height="43dp"
        android:layout_marginTop="236dp"
        android:ems="10"
        android:inputType="number"
        android:textAlignment="center"
        app:layout_constraintEnd_toEndOf="parent"
        app:layout_constraintStart_toStartOf="parent"
        app:layout_constraintTop_toTopOf="parent" />

    <TextView
        android:id="@+id/textMessage"
        android:layout_width="wrap_content"
        android:layout_height="wrap_content"
        android:layout_marginTop="444dp"
        android:text="Enter a number and then click GUESS"
        android:textSize="16sp"
        app:layout_constraintEnd_toEndOf="parent"
        app:layout_constraintStart_toStartOf="parent"
        app:layout_constraintTop_toTopOf="parent" />
</androidx.constraintlayout.widget.ConstraintLayout>