Make Rain Android App

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"

    android:background="#03A9F4"

    tools:context=".MainActivity">

    <TextView

        android:id="@+id/textView"

        android:layout_width="wrap_content"

        android:layout_height="wrap_content"

        android:text="@string/you_have"

        android:textSize="16sp"

        app:layout_constraintBottom_toBottomOf="parent"

        app:layout_constraintEnd_toEndOf="parent"

        app:layout_constraintHorizontal_bias="0.498"

        app:layout_constraintStart_toStartOf="parent"

        app:layout_constraintTop_toTopOf="parent"

        app:layout_constraintVertical_bias="0.217" />

    <TextView

        android:id="@+id/moneyvalue"

        android:layout_width="118dp"

        android:layout_height="40dp"

        android:text="@string/money_value"

        android:textSize="34sp"

        android:textStyle="bold"

        app:layout_constraintBottom_toBottomOf="parent"

        app:layout_constraintEnd_toEndOf="parent"

        app:layout_constraintHorizontal_bias="0.498"

        app:layout_constraintStart_toStartOf="parent"

        app:layout_constraintTop_toBottomOf="@+id/textView"

        app:layout_constraintVertical_bias="0.161" />

    <Button

        android:id="@+id/buttonMakeItRain"

        android:layout_width="wrap_content"

        android:layout_height="wrap_content"

        android:onClick="showMoney"

        android:text="@string/make_it_rain"

        app:layout_constraintBottom_toBottomOf="parent"

        app:layout_constraintEnd_toEndOf="parent"

        app:layout_constraintHorizontal_bias="0.498"

        app:layout_constraintStart_toStartOf="parent"

        app:layout_constraintTop_toBottomOf="@+id/moneyvalue"

        app:layout_constraintVertical_bias="0.171" />

    <Button

        android:id="@+id/buttonShowInfo"

        android:layout_width="wrap_content"

        android:layout_height="wrap_content"

        android:onClick="showInfo"

        android:text="@string/show_info"

        app:layout_constraintBottom_toBottomOf="parent"

        app:layout_constraintEnd_toEndOf="parent"

        app:layout_constraintHorizontal_bias="0.498"

        app:layout_constraintStart_toStartOf="parent"

        app:layout_constraintTop_toBottomOf="@+id/buttonMakeItRain"

        app:layout_constraintVertical_bias="0.235" />

</androidx.constraintlayout.widget.ConstraintLayout>

MainActivity.java

package com.example.makerain;

import android.graphics.Color;

import android.os.Bundle;

import android.view.View;

import android.widget.Button;

import android.widget.TextView;

import android.widget.Toast;

import androidx.appcompat.app.AppCompatActivity;

import java.text.NumberFormat;

public class MainActivity extends AppCompatActivity {

    private Button makeItRain;

    private Button showInfo;

    private TextView moneyValue;

    private int moneyCounter;

    @Override

    protected void onCreate(Bundle savedInstanceState) {

        super.onCreate(savedInstanceState);

        setContentView(R.layout.activity_main);

        makeItRain = findViewById(R.id.buttonMakeItRain);

        moneyValue = findViewById(R.id.moneyvalue);

    }

    public void showMoney(View view) {

        NumberFormat numberFormat = NumberFormat.getNumberInstance();

        moneyCounter += 1000;

        moneyValue.setText(String.valueOf(numberFormat.format(moneyCounter)));

        switch (moneyCounter) {

            case 2000:

                moneyValue.setTextColor(Color.MAGENTA);

                break;

            case 5000:

                moneyValue.setTextColor(Color.DKGRAY);

                break;

            case 10000:

                moneyValue.setTextColor(Color.CYAN);

                break;

            case 15000:

                moneyValue.setTextColor(Color.BLUE);

                break;

        }

    }

    public void showInfo(View view) {

        Toast.makeText(MainActivity.this, R.string.app_name, Toast.LENGTH_SHORT)

                .show();

    }

}

Strings.xml

<resources>

    <string name="app_name">Make Rain</string>

    <string name="you_have">You Have:</string>

    <string name="make_it_rain">MAKE IT RAIN!</string>

    <string name="money_value">$0</string>

    <string name="show_info">SHOW INFO</string>

</resources>