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/// Designed as a submission for Flutteristas Code Challenge 2023, the SnowflakeCanvas
/// is a simple Flutter app that creates a visual simulation of snowflakes
/// falling at different speeds. It uses a `CustomPainter` and a `Koch curve`
/// to draw snowflakes on a canvas, with each snowflake having a unique size and
/// falling speed. The snowflakes enter the screen smoothly from the top and reset
/// their position once they fall off the bottom, creating an endless snowfall effect.
/// This app uses basic animation techniques with `setState` and is designed to work
/// in environments with limited animation capabilities such as DartPad.

import 'dart:async';

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import 'dart:convert';

import 'package:flutter/material.dart';
import 'package:shared_preferences/shared_preferences.dart';

import 'highscore.dart';

void main() {
  runApp(const MyApp());
}

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import 'dart:convert';

import 'package:shared_preferences/shared_preferences.dart';

class HighScore {
  final String username;
  final int difficulty;
  final int score;

  HighScore(

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import 'package:flutter/material.dart';

void main() => runApp(new MyApp());

class MyApp extends StatelessWidget {
  // This widget is the root of your application.
  @override
  Widget build(BuildContext context) {
    return new MaterialApp(
      title: 'Flutter Demo',

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<?xml version="1.0" encoding="utf-8"?>

<!--
Copyright 2014 Google, Inc.

Licensed under the Apache License, Version 2.0 (the "License");
you may not use this file except in compliance with the License.
You may obtain a copy of the License at

http://www.apache.org/licenses/LICENSE-2.0

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<?xml version="1.0" encoding="utf-8"?>
<ScrollView xmlns:android="http://schemas.android.com/apk/res/android"
    xmlns:tools="http://schemas.android.com/tools"
    android:id="@+id/main_scroll_view"
    android:layout_width="match_parent"
    android:layout_height="match_parent"
    tools:context=".MainActivity">

    <LinearLayout
        android:id="@+id/main_linear"

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package com.example.android.friendsquiz;

import android.content.Context;
import android.content.Intent;
import android.content.res.Configuration;
import android.os.Build;
import android.support.v7.app.AppCompatActivity;
import android.os.Bundle;
import android.text.TextUtils;
import android.util.Log;

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package com.example.android.friendsquiz;

import android.content.Intent;
import android.content.res.Configuration;
import android.support.v7.app.AppCompatActivity;
import android.os.Bundle;
import android.text.TextUtils;
import android.util.Log;
import android.view.Gravity;
import android.view.View;

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package com.example.android.courtcounter;

import android.support.v7.app.AppCompatActivity;
import android.os.Bundle;
import android.view.View;
import android.widget.TextView;

public class MainActivity extends AppCompatActivity {

    /**

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<?xml version="1.0" encoding="utf-8"?>
<RelativeLayout xmlns:android="http://schemas.android.com/apk/res/android"
    xmlns:tools="http://schemas.android.com/tools"
    android:layout_width="match_parent"
    android:layout_height="match_parent"
    tools:context=".MainActivity">

    <ImageView
        android:id="@+id/photo_image_view"
        android:layout_width="match_parent"